Rewriting Project

349 files changed, 8720 insertions, 0 deletions

diff --git a/node_modules/core-js/modules/README.md b/node_modules/core-js/modules/README.md
new file mode 100644
index 0000000..0d6b3cb
--- /dev/null
+++ b/node_modules/core-js/modules/README.md
@@ -0,0 +1 @@
+This folder contains implementations of polyfills. It's not recommended to include in your projects directly if you don't completely understand what are you doing.
diff --git a/node_modules/core-js/modules/es.aggregate-error.js b/node_modules/core-js/modules/es.aggregate-error.js
new file mode 100644
index 0000000..4df2c8f
--- /dev/null
+++ b/node_modules/core-js/modules/es.aggregate-error.js
@@ -0,0 +1,31 @@
+'use strict';
+var $ = require('../internals/export');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+var setPrototypeOf = require('../internals/object-set-prototype-of');
+var create = require('../internals/object-create');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var createPropertyDescriptor = require('../internals/create-property-descriptor');
+var iterate = require('../internals/iterate');
+
+var $AggregateError = function AggregateError(errors, message) {
+  var that = this;
+  if (!(that instanceof $AggregateError)) return new $AggregateError(errors, message);
+  if (setPrototypeOf) {
+    that = setPrototypeOf(new Error(undefined), getPrototypeOf(that));
+  }
+  if (message !== undefined) createNonEnumerableProperty(that, 'message', String(message));
+  var errorsArray = [];
+  iterate(errors, errorsArray.push, { that: errorsArray });
+  createNonEnumerableProperty(that, 'errors', errorsArray);
+  return that;
+};
+
+$AggregateError.prototype = create(Error.prototype, {
+  constructor: createPropertyDescriptor(5, $AggregateError),
+  message: createPropertyDescriptor(5, ''),
+  name: createPropertyDescriptor(5, 'AggregateError')
+});
+
+$({ global: true }, {
+  AggregateError: $AggregateError
+});
diff --git a/node_modules/core-js/modules/es.array-buffer.constructor.js b/node_modules/core-js/modules/es.array-buffer.constructor.js
new file mode 100644
index 0000000..b4e4df4
--- /dev/null
+++ b/node_modules/core-js/modules/es.array-buffer.constructor.js
@@ -0,0 +1,17 @@
+'use strict';
+var $ = require('../internals/export');
+var global = require('../internals/global');
+var arrayBufferModule = require('../internals/array-buffer');
+var setSpecies = require('../internals/set-species');
+
+var ARRAY_BUFFER = 'ArrayBuffer';
+var ArrayBuffer = arrayBufferModule[ARRAY_BUFFER];
+var NativeArrayBuffer = global[ARRAY_BUFFER];
+
+// `ArrayBuffer` constructor
+// https://tc39.github.io/ecma262/#sec-arraybuffer-constructor
+$({ global: true, forced: NativeArrayBuffer !== ArrayBuffer }, {
+  ArrayBuffer: ArrayBuffer
+});
+
+setSpecies(ARRAY_BUFFER);
diff --git a/node_modules/core-js/modules/es.array-buffer.is-view.js b/node_modules/core-js/modules/es.array-buffer.is-view.js
new file mode 100644
index 0000000..0b23d5c
--- /dev/null
+++ b/node_modules/core-js/modules/es.array-buffer.is-view.js
@@ -0,0 +1,10 @@
+var $ = require('../internals/export');
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+
+var NATIVE_ARRAY_BUFFER_VIEWS = ArrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS;
+
+// `ArrayBuffer.isView` method
+// https://tc39.github.io/ecma262/#sec-arraybuffer.isview
+$({ target: 'ArrayBuffer', stat: true, forced: !NATIVE_ARRAY_BUFFER_VIEWS }, {
+  isView: ArrayBufferViewCore.isView
+});
diff --git a/node_modules/core-js/modules/es.array-buffer.slice.js b/node_modules/core-js/modules/es.array-buffer.slice.js
new file mode 100644
index 0000000..c137543
--- /dev/null
+++ b/node_modules/core-js/modules/es.array-buffer.slice.js
@@ -0,0 +1,36 @@
+'use strict';
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var ArrayBufferModule = require('../internals/array-buffer');
+var anObject = require('../internals/an-object');
+var toAbsoluteIndex = require('../internals/to-absolute-index');
+var toLength = require('../internals/to-length');
+var speciesConstructor = require('../internals/species-constructor');
+
+var ArrayBuffer = ArrayBufferModule.ArrayBuffer;
+var DataView = ArrayBufferModule.DataView;
+var nativeArrayBufferSlice = ArrayBuffer.prototype.slice;
+
+var INCORRECT_SLICE = fails(function () {
+  return !new ArrayBuffer(2).slice(1, undefined).byteLength;
+});
+
+// `ArrayBuffer.prototype.slice` method
+// https://tc39.github.io/ecma262/#sec-arraybuffer.prototype.slice
+$({ target: 'ArrayBuffer', proto: true, unsafe: true, forced: INCORRECT_SLICE }, {
+  slice: function slice(start, end) {
+    if (nativeArrayBufferSlice !== undefined && end === undefined) {
+      return nativeArrayBufferSlice.call(anObject(this), start); // FF fix
+    }
+    var length = anObject(this).byteLength;
+    var first = toAbsoluteIndex(start, length);
+    var fin = toAbsoluteIndex(end === undefined ? length : end, length);
+    var result = new (speciesConstructor(this, ArrayBuffer))(toLength(fin - first));
+    var viewSource = new DataView(this);
+    var viewTarget = new DataView(result);
+    var index = 0;
+    while (first < fin) {
+      viewTarget.setUint8(index++, viewSource.getUint8(first++));
+    } return result;
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.concat.js b/node_modules/core-js/modules/es.array.concat.js
new file mode 100644
index 0000000..1c22499
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.concat.js
@@ -0,0 +1,60 @@
+'use strict';
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var isArray = require('../internals/is-array');
+var isObject = require('../internals/is-object');
+var toObject = require('../internals/to-object');
+var toLength = require('../internals/to-length');
+var createProperty = require('../internals/create-property');
+var arraySpeciesCreate = require('../internals/array-species-create');
+var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var V8_VERSION = require('../internals/engine-v8-version');
+
+var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
+var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
+var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';
+
+// We can't use this feature detection in V8 since it causes
+// deoptimization and serious performance degradation
+// https://github.com/zloirock/core-js/issues/679
+var IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {
+  var array = [];
+  array[IS_CONCAT_SPREADABLE] = false;
+  return array.concat()[0] !== array;
+});
+
+var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');
+
+var isConcatSpreadable = function (O) {
+  if (!isObject(O)) return false;
+  var spreadable = O[IS_CONCAT_SPREADABLE];
+  return spreadable !== undefined ? !!spreadable : isArray(O);
+};
+
+var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;
+
+// `Array.prototype.concat` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.concat
+// with adding support of @@isConcatSpreadable and @@species
+$({ target: 'Array', proto: true, forced: FORCED }, {
+  concat: function concat(arg) { // eslint-disable-line no-unused-vars
+    var O = toObject(this);
+    var A = arraySpeciesCreate(O, 0);
+    var n = 0;
+    var i, k, length, len, E;
+    for (i = -1, length = arguments.length; i < length; i++) {
+      E = i === -1 ? O : arguments[i];
+      if (isConcatSpreadable(E)) {
+        len = toLength(E.length);
+        if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+        for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);
+      } else {
+        if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+        createProperty(A, n++, E);
+      }
+    }
+    A.length = n;
+    return A;
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.copy-within.js b/node_modules/core-js/modules/es.array.copy-within.js
new file mode 100644
index 0000000..1fb0dda
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.copy-within.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+var copyWithin = require('../internals/array-copy-within');
+var addToUnscopables = require('../internals/add-to-unscopables');
+
+// `Array.prototype.copyWithin` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.copywithin
+$({ target: 'Array', proto: true }, {
+  copyWithin: copyWithin
+});
+
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+addToUnscopables('copyWithin');
diff --git a/node_modules/core-js/modules/es.array.every.js b/node_modules/core-js/modules/es.array.every.js
new file mode 100644
index 0000000..231c5c2
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.every.js
@@ -0,0 +1,16 @@
+'use strict';
+var $ = require('../internals/export');
+var $every = require('../internals/array-iteration').every;
+var arrayMethodIsStrict = require('../internals/array-method-is-strict');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var STRICT_METHOD = arrayMethodIsStrict('every');
+var USES_TO_LENGTH = arrayMethodUsesToLength('every');
+
+// `Array.prototype.every` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.every
+$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH }, {
+  every: function every(callbackfn /* , thisArg */) {
+    return $every(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.fill.js b/node_modules/core-js/modules/es.array.fill.js
new file mode 100644
index 0000000..ba9f4b4
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.fill.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+var fill = require('../internals/array-fill');
+var addToUnscopables = require('../internals/add-to-unscopables');
+
+// `Array.prototype.fill` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.fill
+$({ target: 'Array', proto: true }, {
+  fill: fill
+});
+
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+addToUnscopables('fill');
diff --git a/node_modules/core-js/modules/es.array.filter.js b/node_modules/core-js/modules/es.array.filter.js
new file mode 100644
index 0000000..df2509b
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.filter.js
@@ -0,0 +1,18 @@
+'use strict';
+var $ = require('../internals/export');
+var $filter = require('../internals/array-iteration').filter;
+var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');
+// Edge 14- issue
+var USES_TO_LENGTH = arrayMethodUsesToLength('filter');
+
+// `Array.prototype.filter` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.filter
+// with adding support of @@species
+$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
+  filter: function filter(callbackfn /* , thisArg */) {
+    return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.find-index.js b/node_modules/core-js/modules/es.array.find-index.js
new file mode 100644
index 0000000..56c0b68
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.find-index.js
@@ -0,0 +1,24 @@
+'use strict';
+var $ = require('../internals/export');
+var $findIndex = require('../internals/array-iteration').findIndex;
+var addToUnscopables = require('../internals/add-to-unscopables');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var FIND_INDEX = 'findIndex';
+var SKIPS_HOLES = true;
+
+var USES_TO_LENGTH = arrayMethodUsesToLength(FIND_INDEX);
+
+// Shouldn't skip holes
+if (FIND_INDEX in []) Array(1)[FIND_INDEX](function () { SKIPS_HOLES = false; });
+
+// `Array.prototype.findIndex` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.findindex
+$({ target: 'Array', proto: true, forced: SKIPS_HOLES || !USES_TO_LENGTH }, {
+  findIndex: function findIndex(callbackfn /* , that = undefined */) {
+    return $findIndex(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+addToUnscopables(FIND_INDEX);
diff --git a/node_modules/core-js/modules/es.array.find.js b/node_modules/core-js/modules/es.array.find.js
new file mode 100644
index 0000000..ad37cc7
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.find.js
@@ -0,0 +1,24 @@
+'use strict';
+var $ = require('../internals/export');
+var $find = require('../internals/array-iteration').find;
+var addToUnscopables = require('../internals/add-to-unscopables');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var FIND = 'find';
+var SKIPS_HOLES = true;
+
+var USES_TO_LENGTH = arrayMethodUsesToLength(FIND);
+
+// Shouldn't skip holes
+if (FIND in []) Array(1)[FIND](function () { SKIPS_HOLES = false; });
+
+// `Array.prototype.find` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.find
+$({ target: 'Array', proto: true, forced: SKIPS_HOLES || !USES_TO_LENGTH }, {
+  find: function find(callbackfn /* , that = undefined */) {
+    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+addToUnscopables(FIND);
diff --git a/node_modules/core-js/modules/es.array.flat-map.js b/node_modules/core-js/modules/es.array.flat-map.js
new file mode 100644
index 0000000..5469bee
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.flat-map.js
@@ -0,0 +1,21 @@
+'use strict';
+var $ = require('../internals/export');
+var flattenIntoArray = require('../internals/flatten-into-array');
+var toObject = require('../internals/to-object');
+var toLength = require('../internals/to-length');
+var aFunction = require('../internals/a-function');
+var arraySpeciesCreate = require('../internals/array-species-create');
+
+// `Array.prototype.flatMap` method
+// https://github.com/tc39/proposal-flatMap
+$({ target: 'Array', proto: true }, {
+  flatMap: function flatMap(callbackfn /* , thisArg */) {
+    var O = toObject(this);
+    var sourceLen = toLength(O.length);
+    var A;
+    aFunction(callbackfn);
+    A = arraySpeciesCreate(O, 0);
+    A.length = flattenIntoArray(A, O, O, sourceLen, 0, 1, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+    return A;
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.flat.js b/node_modules/core-js/modules/es.array.flat.js
new file mode 100644
index 0000000..cb2c9d7
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.flat.js
@@ -0,0 +1,20 @@
+'use strict';
+var $ = require('../internals/export');
+var flattenIntoArray = require('../internals/flatten-into-array');
+var toObject = require('../internals/to-object');
+var toLength = require('../internals/to-length');
+var toInteger = require('../internals/to-integer');
+var arraySpeciesCreate = require('../internals/array-species-create');
+
+// `Array.prototype.flat` method
+// https://github.com/tc39/proposal-flatMap
+$({ target: 'Array', proto: true }, {
+  flat: function flat(/* depthArg = 1 */) {
+    var depthArg = arguments.length ? arguments[0] : undefined;
+    var O = toObject(this);
+    var sourceLen = toLength(O.length);
+    var A = arraySpeciesCreate(O, 0);
+    A.length = flattenIntoArray(A, O, O, sourceLen, 0, depthArg === undefined ? 1 : toInteger(depthArg));
+    return A;
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.for-each.js b/node_modules/core-js/modules/es.array.for-each.js
new file mode 100644
index 0000000..4fb29d0
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.for-each.js
@@ -0,0 +1,9 @@
+'use strict';
+var $ = require('../internals/export');
+var forEach = require('../internals/array-for-each');
+
+// `Array.prototype.forEach` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
+$({ target: 'Array', proto: true, forced: [].forEach != forEach }, {
+  forEach: forEach
+});
diff --git a/node_modules/core-js/modules/es.array.from.js b/node_modules/core-js/modules/es.array.from.js
new file mode 100644
index 0000000..5c21cbc
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.from.js
@@ -0,0 +1,13 @@
+var $ = require('../internals/export');
+var from = require('../internals/array-from');
+var checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');
+
+var INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {
+  Array.from(iterable);
+});
+
+// `Array.from` method
+// https://tc39.github.io/ecma262/#sec-array.from
+$({ target: 'Array', stat: true, forced: INCORRECT_ITERATION }, {
+  from: from
+});
diff --git a/node_modules/core-js/modules/es.array.includes.js b/node_modules/core-js/modules/es.array.includes.js
new file mode 100644
index 0000000..0036556
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.includes.js
@@ -0,0 +1,18 @@
+'use strict';
+var $ = require('../internals/export');
+var $includes = require('../internals/array-includes').includes;
+var addToUnscopables = require('../internals/add-to-unscopables');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });
+
+// `Array.prototype.includes` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.includes
+$({ target: 'Array', proto: true, forced: !USES_TO_LENGTH }, {
+  includes: function includes(el /* , fromIndex = 0 */) {
+    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+addToUnscopables('includes');
diff --git a/node_modules/core-js/modules/es.array.index-of.js b/node_modules/core-js/modules/es.array.index-of.js
new file mode 100644
index 0000000..5a1442b
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.index-of.js
@@ -0,0 +1,22 @@
+'use strict';
+var $ = require('../internals/export');
+var $indexOf = require('../internals/array-includes').indexOf;
+var arrayMethodIsStrict = require('../internals/array-method-is-strict');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var nativeIndexOf = [].indexOf;
+
+var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
+var STRICT_METHOD = arrayMethodIsStrict('indexOf');
+var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });
+
+// `Array.prototype.indexOf` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
+$({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH }, {
+  indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
+    return NEGATIVE_ZERO
+      // convert -0 to +0
+      ? nativeIndexOf.apply(this, arguments) || 0
+      : $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.is-array.js b/node_modules/core-js/modules/es.array.is-array.js
new file mode 100644
index 0000000..b77fad6
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.is-array.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var isArray = require('../internals/is-array');
+
+// `Array.isArray` method
+// https://tc39.github.io/ecma262/#sec-array.isarray
+$({ target: 'Array', stat: true }, {
+  isArray: isArray
+});
diff --git a/node_modules/core-js/modules/es.array.iterator.js b/node_modules/core-js/modules/es.array.iterator.js
new file mode 100644
index 0000000..5e64422
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.iterator.js
@@ -0,0 +1,53 @@
+'use strict';
+var toIndexedObject = require('../internals/to-indexed-object');
+var addToUnscopables = require('../internals/add-to-unscopables');
+var Iterators = require('../internals/iterators');
+var InternalStateModule = require('../internals/internal-state');
+var defineIterator = require('../internals/define-iterator');
+
+var ARRAY_ITERATOR = 'Array Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);
+
+// `Array.prototype.entries` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.entries
+// `Array.prototype.keys` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.keys
+// `Array.prototype.values` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.values
+// `Array.prototype[@@iterator]` method
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator
+// `CreateArrayIterator` internal method
+// https://tc39.github.io/ecma262/#sec-createarrayiterator
+module.exports = defineIterator(Array, 'Array', function (iterated, kind) {
+  setInternalState(this, {
+    type: ARRAY_ITERATOR,
+    target: toIndexedObject(iterated), // target
+    index: 0,                          // next index
+    kind: kind                         // kind
+  });
+// `%ArrayIteratorPrototype%.next` method
+// https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next
+}, function () {
+  var state = getInternalState(this);
+  var target = state.target;
+  var kind = state.kind;
+  var index = state.index++;
+  if (!target || index >= target.length) {
+    state.target = undefined;
+    return { value: undefined, done: true };
+  }
+  if (kind == 'keys') return { value: index, done: false };
+  if (kind == 'values') return { value: target[index], done: false };
+  return { value: [index, target[index]], done: false };
+}, 'values');
+
+// argumentsList[@@iterator] is %ArrayProto_values%
+// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject
+// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject
+Iterators.Arguments = Iterators.Array;
+
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+addToUnscopables('keys');
+addToUnscopables('values');
+addToUnscopables('entries');
diff --git a/node_modules/core-js/modules/es.array.join.js b/node_modules/core-js/modules/es.array.join.js
new file mode 100644
index 0000000..79ad8d2
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.join.js
@@ -0,0 +1,18 @@
+'use strict';
+var $ = require('../internals/export');
+var IndexedObject = require('../internals/indexed-object');
+var toIndexedObject = require('../internals/to-indexed-object');
+var arrayMethodIsStrict = require('../internals/array-method-is-strict');
+
+var nativeJoin = [].join;
+
+var ES3_STRINGS = IndexedObject != Object;
+var STRICT_METHOD = arrayMethodIsStrict('join', ',');
+
+// `Array.prototype.join` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.join
+$({ target: 'Array', proto: true, forced: ES3_STRINGS || !STRICT_METHOD }, {
+  join: function join(separator) {
+    return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.last-index-of.js b/node_modules/core-js/modules/es.array.last-index-of.js
new file mode 100644
index 0000000..d209055
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.last-index-of.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var lastIndexOf = require('../internals/array-last-index-of');
+
+// `Array.prototype.lastIndexOf` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.lastindexof
+$({ target: 'Array', proto: true, forced: lastIndexOf !== [].lastIndexOf }, {
+  lastIndexOf: lastIndexOf
+});
diff --git a/node_modules/core-js/modules/es.array.map.js b/node_modules/core-js/modules/es.array.map.js
new file mode 100644
index 0000000..f9a8cdf
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.map.js
@@ -0,0 +1,18 @@
+'use strict';
+var $ = require('../internals/export');
+var $map = require('../internals/array-iteration').map;
+var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('map');
+// FF49- issue
+var USES_TO_LENGTH = arrayMethodUsesToLength('map');
+
+// `Array.prototype.map` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.map
+// with adding support of @@species
+$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
+  map: function map(callbackfn /* , thisArg */) {
+    return $map(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.of.js b/node_modules/core-js/modules/es.array.of.js
new file mode 100644
index 0000000..2788091
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.of.js
@@ -0,0 +1,23 @@
+'use strict';
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var createProperty = require('../internals/create-property');
+
+var ISNT_GENERIC = fails(function () {
+  function F() { /* empty */ }
+  return !(Array.of.call(F) instanceof F);
+});
+
+// `Array.of` method
+// https://tc39.github.io/ecma262/#sec-array.of
+// WebKit Array.of isn't generic
+$({ target: 'Array', stat: true, forced: ISNT_GENERIC }, {
+  of: function of(/* ...args */) {
+    var index = 0;
+    var argumentsLength = arguments.length;
+    var result = new (typeof this == 'function' ? this : Array)(argumentsLength);
+    while (argumentsLength > index) createProperty(result, index, arguments[index++]);
+    result.length = argumentsLength;
+    return result;
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.reduce-right.js b/node_modules/core-js/modules/es.array.reduce-right.js
new file mode 100644
index 0000000..f11d8d4
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.reduce-right.js
@@ -0,0 +1,22 @@
+'use strict';
+var $ = require('../internals/export');
+var $reduceRight = require('../internals/array-reduce').right;
+var arrayMethodIsStrict = require('../internals/array-method-is-strict');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+var CHROME_VERSION = require('../internals/engine-v8-version');
+var IS_NODE = require('../internals/engine-is-node');
+
+var STRICT_METHOD = arrayMethodIsStrict('reduceRight');
+// For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method
+var USES_TO_LENGTH = arrayMethodUsesToLength('reduce', { 1: 0 });
+// Chrome 80-82 has a critical bug
+// https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
+var CHROME_BUG = !IS_NODE && CHROME_VERSION > 79 && CHROME_VERSION < 83;
+
+// `Array.prototype.reduceRight` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.reduceright
+$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH || CHROME_BUG }, {
+  reduceRight: function reduceRight(callbackfn /* , initialValue */) {
+    return $reduceRight(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.reduce.js b/node_modules/core-js/modules/es.array.reduce.js
new file mode 100644
index 0000000..3d66308
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.reduce.js
@@ -0,0 +1,21 @@
+'use strict';
+var $ = require('../internals/export');
+var $reduce = require('../internals/array-reduce').left;
+var arrayMethodIsStrict = require('../internals/array-method-is-strict');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+var CHROME_VERSION = require('../internals/engine-v8-version');
+var IS_NODE = require('../internals/engine-is-node');
+
+var STRICT_METHOD = arrayMethodIsStrict('reduce');
+var USES_TO_LENGTH = arrayMethodUsesToLength('reduce', { 1: 0 });
+// Chrome 80-82 has a critical bug
+// https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
+var CHROME_BUG = !IS_NODE && CHROME_VERSION > 79 && CHROME_VERSION < 83;
+
+// `Array.prototype.reduce` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.reduce
+$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH || CHROME_BUG }, {
+  reduce: function reduce(callbackfn /* , initialValue */) {
+    return $reduce(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.reverse.js b/node_modules/core-js/modules/es.array.reverse.js
new file mode 100644
index 0000000..bfe96d5
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.reverse.js
@@ -0,0 +1,18 @@
+'use strict';
+var $ = require('../internals/export');
+var isArray = require('../internals/is-array');
+
+var nativeReverse = [].reverse;
+var test = [1, 2];
+
+// `Array.prototype.reverse` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.reverse
+// fix for Safari 12.0 bug
+// https://bugs.webkit.org/show_bug.cgi?id=188794
+$({ target: 'Array', proto: true, forced: String(test) === String(test.reverse()) }, {
+  reverse: function reverse() {
+    // eslint-disable-next-line no-self-assign
+    if (isArray(this)) this.length = this.length;
+    return nativeReverse.call(this);
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.slice.js b/node_modules/core-js/modules/es.array.slice.js
new file mode 100644
index 0000000..27609f5
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.slice.js
@@ -0,0 +1,49 @@
+'use strict';
+var $ = require('../internals/export');
+var isObject = require('../internals/is-object');
+var isArray = require('../internals/is-array');
+var toAbsoluteIndex = require('../internals/to-absolute-index');
+var toLength = require('../internals/to-length');
+var toIndexedObject = require('../internals/to-indexed-object');
+var createProperty = require('../internals/create-property');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('slice');
+var USES_TO_LENGTH = arrayMethodUsesToLength('slice', { ACCESSORS: true, 0: 0, 1: 2 });
+
+var SPECIES = wellKnownSymbol('species');
+var nativeSlice = [].slice;
+var max = Math.max;
+
+// `Array.prototype.slice` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.slice
+// fallback for not array-like ES3 strings and DOM objects
+$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
+  slice: function slice(start, end) {
+    var O = toIndexedObject(this);
+    var length = toLength(O.length);
+    var k = toAbsoluteIndex(start, length);
+    var fin = toAbsoluteIndex(end === undefined ? length : end, length);
+    // inline `ArraySpeciesCreate` for usage native `Array#slice` where it's possible
+    var Constructor, result, n;
+    if (isArray(O)) {
+      Constructor = O.constructor;
+      // cross-realm fallback
+      if (typeof Constructor == 'function' && (Constructor === Array || isArray(Constructor.prototype))) {
+        Constructor = undefined;
+      } else if (isObject(Constructor)) {
+        Constructor = Constructor[SPECIES];
+        if (Constructor === null) Constructor = undefined;
+      }
+      if (Constructor === Array || Constructor === undefined) {
+        return nativeSlice.call(O, k, fin);
+      }
+    }
+    result = new (Constructor === undefined ? Array : Constructor)(max(fin - k, 0));
+    for (n = 0; k < fin; k++, n++) if (k in O) createProperty(result, n, O[k]);
+    result.length = n;
+    return result;
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.some.js b/node_modules/core-js/modules/es.array.some.js
new file mode 100644
index 0000000..e143d07
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.some.js
@@ -0,0 +1,16 @@
+'use strict';
+var $ = require('../internals/export');
+var $some = require('../internals/array-iteration').some;
+var arrayMethodIsStrict = require('../internals/array-method-is-strict');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var STRICT_METHOD = arrayMethodIsStrict('some');
+var USES_TO_LENGTH = arrayMethodUsesToLength('some');
+
+// `Array.prototype.some` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.some
+$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH }, {
+  some: function some(callbackfn /* , thisArg */) {
+    return $some(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.sort.js b/node_modules/core-js/modules/es.array.sort.js
new file mode 100644
index 0000000..1b46f51
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.sort.js
@@ -0,0 +1,32 @@
+'use strict';
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var toObject = require('../internals/to-object');
+var fails = require('../internals/fails');
+var arrayMethodIsStrict = require('../internals/array-method-is-strict');
+
+var test = [];
+var nativeSort = test.sort;
+
+// IE8-
+var FAILS_ON_UNDEFINED = fails(function () {
+  test.sort(undefined);
+});
+// V8 bug
+var FAILS_ON_NULL = fails(function () {
+  test.sort(null);
+});
+// Old WebKit
+var STRICT_METHOD = arrayMethodIsStrict('sort');
+
+var FORCED = FAILS_ON_UNDEFINED || !FAILS_ON_NULL || !STRICT_METHOD;
+
+// `Array.prototype.sort` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.sort
+$({ target: 'Array', proto: true, forced: FORCED }, {
+  sort: function sort(comparefn) {
+    return comparefn === undefined
+      ? nativeSort.call(toObject(this))
+      : nativeSort.call(toObject(this), aFunction(comparefn));
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.species.js b/node_modules/core-js/modules/es.array.species.js
new file mode 100644
index 0000000..a0e7829
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.species.js
@@ -0,0 +1,5 @@
+var setSpecies = require('../internals/set-species');
+
+// `Array[@@species]` getter
+// https://tc39.github.io/ecma262/#sec-get-array-@@species
+setSpecies('Array');
diff --git a/node_modules/core-js/modules/es.array.splice.js b/node_modules/core-js/modules/es.array.splice.js
new file mode 100644
index 0000000..31debca
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.splice.js
@@ -0,0 +1,70 @@
+'use strict';
+var $ = require('../internals/export');
+var toAbsoluteIndex = require('../internals/to-absolute-index');
+var toInteger = require('../internals/to-integer');
+var toLength = require('../internals/to-length');
+var toObject = require('../internals/to-object');
+var arraySpeciesCreate = require('../internals/array-species-create');
+var createProperty = require('../internals/create-property');
+var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('splice');
+var USES_TO_LENGTH = arrayMethodUsesToLength('splice', { ACCESSORS: true, 0: 0, 1: 2 });
+
+var max = Math.max;
+var min = Math.min;
+var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
+var MAXIMUM_ALLOWED_LENGTH_EXCEEDED = 'Maximum allowed length exceeded';
+
+// `Array.prototype.splice` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.splice
+// with adding support of @@species
+$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
+  splice: function splice(start, deleteCount /* , ...items */) {
+    var O = toObject(this);
+    var len = toLength(O.length);
+    var actualStart = toAbsoluteIndex(start, len);
+    var argumentsLength = arguments.length;
+    var insertCount, actualDeleteCount, A, k, from, to;
+    if (argumentsLength === 0) {
+      insertCount = actualDeleteCount = 0;
+    } else if (argumentsLength === 1) {
+      insertCount = 0;
+      actualDeleteCount = len - actualStart;
+    } else {
+      insertCount = argumentsLength - 2;
+      actualDeleteCount = min(max(toInteger(deleteCount), 0), len - actualStart);
+    }
+    if (len + insertCount - actualDeleteCount > MAX_SAFE_INTEGER) {
+      throw TypeError(MAXIMUM_ALLOWED_LENGTH_EXCEEDED);
+    }
+    A = arraySpeciesCreate(O, actualDeleteCount);
+    for (k = 0; k < actualDeleteCount; k++) {
+      from = actualStart + k;
+      if (from in O) createProperty(A, k, O[from]);
+    }
+    A.length = actualDeleteCount;
+    if (insertCount < actualDeleteCount) {
+      for (k = actualStart; k < len - actualDeleteCount; k++) {
+        from = k + actualDeleteCount;
+        to = k + insertCount;
+        if (from in O) O[to] = O[from];
+        else delete O[to];
+      }
+      for (k = len; k > len - actualDeleteCount + insertCount; k--) delete O[k - 1];
+    } else if (insertCount > actualDeleteCount) {
+      for (k = len - actualDeleteCount; k > actualStart; k--) {
+        from = k + actualDeleteCount - 1;
+        to = k + insertCount - 1;
+        if (from in O) O[to] = O[from];
+        else delete O[to];
+      }
+    }
+    for (k = 0; k < insertCount; k++) {
+      O[k + actualStart] = arguments[k + 2];
+    }
+    O.length = len - actualDeleteCount + insertCount;
+    return A;
+  }
+});
diff --git a/node_modules/core-js/modules/es.array.unscopables.flat-map.js b/node_modules/core-js/modules/es.array.unscopables.flat-map.js
new file mode 100644
index 0000000..593cf05
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.unscopables.flat-map.js
@@ -0,0 +1,5 @@
+// this method was added to unscopables after implementation
+// in popular engines, so it's moved to a separate module
+var addToUnscopables = require('../internals/add-to-unscopables');
+
+addToUnscopables('flatMap');
diff --git a/node_modules/core-js/modules/es.array.unscopables.flat.js b/node_modules/core-js/modules/es.array.unscopables.flat.js
new file mode 100644
index 0000000..ce6656c
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.unscopables.flat.js
@@ -0,0 +1,5 @@
+// this method was added to unscopables after implementation
+// in popular engines, so it's moved to a separate module
+var addToUnscopables = require('../internals/add-to-unscopables');
+
+addToUnscopables('flat');
diff --git a/node_modules/core-js/modules/es.data-view.js b/node_modules/core-js/modules/es.data-view.js
new file mode 100644
index 0000000..a45ac41
--- /dev/null
+++ b/node_modules/core-js/modules/es.data-view.js
@@ -0,0 +1,9 @@
+var $ = require('../internals/export');
+var ArrayBufferModule = require('../internals/array-buffer');
+var NATIVE_ARRAY_BUFFER = require('../internals/array-buffer-native');
+
+// `DataView` constructor
+// https://tc39.github.io/ecma262/#sec-dataview-constructor
+$({ global: true, forced: !NATIVE_ARRAY_BUFFER }, {
+  DataView: ArrayBufferModule.DataView
+});
diff --git a/node_modules/core-js/modules/es.date.now.js b/node_modules/core-js/modules/es.date.now.js
new file mode 100644
index 0000000..c4dc75b
--- /dev/null
+++ b/node_modules/core-js/modules/es.date.now.js
@@ -0,0 +1,9 @@
+var $ = require('../internals/export');
+
+// `Date.now` method
+// https://tc39.github.io/ecma262/#sec-date.now
+$({ target: 'Date', stat: true }, {
+  now: function now() {
+    return new Date().getTime();
+  }
+});
diff --git a/node_modules/core-js/modules/es.date.to-iso-string.js b/node_modules/core-js/modules/es.date.to-iso-string.js
new file mode 100644
index 0000000..14f8ae0
--- /dev/null
+++ b/node_modules/core-js/modules/es.date.to-iso-string.js
@@ -0,0 +1,9 @@
+var $ = require('../internals/export');
+var toISOString = require('../internals/date-to-iso-string');
+
+// `Date.prototype.toISOString` method
+// https://tc39.github.io/ecma262/#sec-date.prototype.toisostring
+// PhantomJS / old WebKit has a broken implementations
+$({ target: 'Date', proto: true, forced: Date.prototype.toISOString !== toISOString }, {
+  toISOString: toISOString
+});
diff --git a/node_modules/core-js/modules/es.date.to-json.js b/node_modules/core-js/modules/es.date.to-json.js
new file mode 100644
index 0000000..bcf4517
--- /dev/null
+++ b/node_modules/core-js/modules/es.date.to-json.js
@@ -0,0 +1,21 @@
+'use strict';
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var toObject = require('../internals/to-object');
+var toPrimitive = require('../internals/to-primitive');
+
+var FORCED = fails(function () {
+  return new Date(NaN).toJSON() !== null
+    || Date.prototype.toJSON.call({ toISOString: function () { return 1; } }) !== 1;
+});
+
+// `Date.prototype.toJSON` method
+// https://tc39.github.io/ecma262/#sec-date.prototype.tojson
+$({ target: 'Date', proto: true, forced: FORCED }, {
+  // eslint-disable-next-line no-unused-vars
+  toJSON: function toJSON(key) {
+    var O = toObject(this);
+    var pv = toPrimitive(O);
+    return typeof pv == 'number' && !isFinite(pv) ? null : O.toISOString();
+  }
+});
diff --git a/node_modules/core-js/modules/es.date.to-primitive.js b/node_modules/core-js/modules/es.date.to-primitive.js
new file mode 100644
index 0000000..68dc59f
--- /dev/null
+++ b/node_modules/core-js/modules/es.date.to-primitive.js
@@ -0,0 +1,12 @@
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var dateToPrimitive = require('../internals/date-to-primitive');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
+var DatePrototype = Date.prototype;
+
+// `Date.prototype[@@toPrimitive]` method
+// https://tc39.github.io/ecma262/#sec-date.prototype-@@toprimitive
+if (!(TO_PRIMITIVE in DatePrototype)) {
+  createNonEnumerableProperty(DatePrototype, TO_PRIMITIVE, dateToPrimitive);
+}
diff --git a/node_modules/core-js/modules/es.date.to-string.js b/node_modules/core-js/modules/es.date.to-string.js
new file mode 100644
index 0000000..dc28f0a
--- /dev/null
+++ b/node_modules/core-js/modules/es.date.to-string.js
@@ -0,0 +1,17 @@
+var redefine = require('../internals/redefine');
+
+var DatePrototype = Date.prototype;
+var INVALID_DATE = 'Invalid Date';
+var TO_STRING = 'toString';
+var nativeDateToString = DatePrototype[TO_STRING];
+var getTime = DatePrototype.getTime;
+
+// `Date.prototype.toString` method
+// https://tc39.github.io/ecma262/#sec-date.prototype.tostring
+if (new Date(NaN) + '' != INVALID_DATE) {
+  redefine(DatePrototype, TO_STRING, function toString() {
+    var value = getTime.call(this);
+    // eslint-disable-next-line no-self-compare
+    return value === value ? nativeDateToString.call(this) : INVALID_DATE;
+  });
+}
diff --git a/node_modules/core-js/modules/es.function.bind.js b/node_modules/core-js/modules/es.function.bind.js
new file mode 100644
index 0000000..fb33e96
--- /dev/null
+++ b/node_modules/core-js/modules/es.function.bind.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var bind = require('../internals/function-bind');
+
+// `Function.prototype.bind` method
+// https://tc39.github.io/ecma262/#sec-function.prototype.bind
+$({ target: 'Function', proto: true }, {
+  bind: bind
+});
diff --git a/node_modules/core-js/modules/es.function.has-instance.js b/node_modules/core-js/modules/es.function.has-instance.js
new file mode 100644
index 0000000..01383bd
--- /dev/null
+++ b/node_modules/core-js/modules/es.function.has-instance.js
@@ -0,0 +1,20 @@
+'use strict';
+var isObject = require('../internals/is-object');
+var definePropertyModule = require('../internals/object-define-property');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var HAS_INSTANCE = wellKnownSymbol('hasInstance');
+var FunctionPrototype = Function.prototype;
+
+// `Function.prototype[@@hasInstance]` method
+// https://tc39.github.io/ecma262/#sec-function.prototype-@@hasinstance
+if (!(HAS_INSTANCE in FunctionPrototype)) {
+  definePropertyModule.f(FunctionPrototype, HAS_INSTANCE, { value: function (O) {
+    if (typeof this != 'function' || !isObject(O)) return false;
+    if (!isObject(this.prototype)) return O instanceof this;
+    // for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
+    while (O = getPrototypeOf(O)) if (this.prototype === O) return true;
+    return false;
+  } });
+}
diff --git a/node_modules/core-js/modules/es.function.name.js b/node_modules/core-js/modules/es.function.name.js
new file mode 100644
index 0000000..2312d91
--- /dev/null
+++ b/node_modules/core-js/modules/es.function.name.js
@@ -0,0 +1,22 @@
+var DESCRIPTORS = require('../internals/descriptors');
+var defineProperty = require('../internals/object-define-property').f;
+
+var FunctionPrototype = Function.prototype;
+var FunctionPrototypeToString = FunctionPrototype.toString;
+var nameRE = /^\s*function ([^ (]*)/;
+var NAME = 'name';
+
+// Function instances `.name` property
+// https://tc39.github.io/ecma262/#sec-function-instances-name
+if (DESCRIPTORS && !(NAME in FunctionPrototype)) {
+  defineProperty(FunctionPrototype, NAME, {
+    configurable: true,
+    get: function () {
+      try {
+        return FunctionPrototypeToString.call(this).match(nameRE)[1];
+      } catch (error) {
+        return '';
+      }
+    }
+  });
+}
diff --git a/node_modules/core-js/modules/es.global-this.js b/node_modules/core-js/modules/es.global-this.js
new file mode 100644
index 0000000..7e925c8
--- /dev/null
+++ b/node_modules/core-js/modules/es.global-this.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var global = require('../internals/global');
+
+// `globalThis` object
+// https://github.com/tc39/proposal-global
+$({ global: true }, {
+  globalThis: global
+});
diff --git a/node_modules/core-js/modules/es.json.stringify.js b/node_modules/core-js/modules/es.json.stringify.js
new file mode 100644
index 0000000..56ba89f
--- /dev/null
+++ b/node_modules/core-js/modules/es.json.stringify.js
@@ -0,0 +1,32 @@
+var $ = require('../internals/export');
+var getBuiltIn = require('../internals/get-built-in');
+var fails = require('../internals/fails');
+
+var $stringify = getBuiltIn('JSON', 'stringify');
+var re = /[\uD800-\uDFFF]/g;
+var low = /^[\uD800-\uDBFF]$/;
+var hi = /^[\uDC00-\uDFFF]$/;
+
+var fix = function (match, offset, string) {
+  var prev = string.charAt(offset - 1);
+  var next = string.charAt(offset + 1);
+  if ((low.test(match) && !hi.test(next)) || (hi.test(match) && !low.test(prev))) {
+    return '\\u' + match.charCodeAt(0).toString(16);
+  } return match;
+};
+
+var FORCED = fails(function () {
+  return $stringify('\uDF06\uD834') !== '"\\udf06\\ud834"'
+    || $stringify('\uDEAD') !== '"\\udead"';
+});
+
+if ($stringify) {
+  // https://github.com/tc39/proposal-well-formed-stringify
+  $({ target: 'JSON', stat: true, forced: FORCED }, {
+    // eslint-disable-next-line no-unused-vars
+    stringify: function stringify(it, replacer, space) {
+      var result = $stringify.apply(null, arguments);
+      return typeof result == 'string' ? result.replace(re, fix) : result;
+    }
+  });
+}
diff --git a/node_modules/core-js/modules/es.json.to-string-tag.js b/node_modules/core-js/modules/es.json.to-string-tag.js
new file mode 100644
index 0000000..bdfa0cd
--- /dev/null
+++ b/node_modules/core-js/modules/es.json.to-string-tag.js
@@ -0,0 +1,6 @@
+var global = require('../internals/global');
+var setToStringTag = require('../internals/set-to-string-tag');
+
+// JSON[@@toStringTag] property
+// https://tc39.github.io/ecma262/#sec-json-@@tostringtag
+setToStringTag(global.JSON, 'JSON', true);
diff --git a/node_modules/core-js/modules/es.map.js b/node_modules/core-js/modules/es.map.js
new file mode 100644
index 0000000..fa8ecce
--- /dev/null
+++ b/node_modules/core-js/modules/es.map.js
@@ -0,0 +1,9 @@
+'use strict';
+var collection = require('../internals/collection');
+var collectionStrong = require('../internals/collection-strong');
+
+// `Map` constructor
+// https://tc39.github.io/ecma262/#sec-map-objects
+module.exports = collection('Map', function (init) {
+  return function Map() { return init(this, arguments.length ? arguments[0] : undefined); };
+}, collectionStrong);
diff --git a/node_modules/core-js/modules/es.math.acosh.js b/node_modules/core-js/modules/es.math.acosh.js
new file mode 100644
index 0000000..62c85a4
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.acosh.js
@@ -0,0 +1,23 @@
+var $ = require('../internals/export');
+var log1p = require('../internals/math-log1p');
+
+var nativeAcosh = Math.acosh;
+var log = Math.log;
+var sqrt = Math.sqrt;
+var LN2 = Math.LN2;
+
+var FORCED = !nativeAcosh
+  // V8 bug: https://code.google.com/p/v8/issues/detail?id=3509
+  || Math.floor(nativeAcosh(Number.MAX_VALUE)) != 710
+  // Tor Browser bug: Math.acosh(Infinity) -> NaN
+  || nativeAcosh(Infinity) != Infinity;
+
+// `Math.acosh` method
+// https://tc39.github.io/ecma262/#sec-math.acosh
+$({ target: 'Math', stat: true, forced: FORCED }, {
+  acosh: function acosh(x) {
+    return (x = +x) < 1 ? NaN : x > 94906265.62425156
+      ? log(x) + LN2
+      : log1p(x - 1 + sqrt(x - 1) * sqrt(x + 1));
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.asinh.js b/node_modules/core-js/modules/es.math.asinh.js
new file mode 100644
index 0000000..9308e21
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.asinh.js
@@ -0,0 +1,16 @@
+var $ = require('../internals/export');
+
+var nativeAsinh = Math.asinh;
+var log = Math.log;
+var sqrt = Math.sqrt;
+
+function asinh(x) {
+  return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : log(x + sqrt(x * x + 1));
+}
+
+// `Math.asinh` method
+// https://tc39.github.io/ecma262/#sec-math.asinh
+// Tor Browser bug: Math.asinh(0) -> -0
+$({ target: 'Math', stat: true, forced: !(nativeAsinh && 1 / nativeAsinh(0) > 0) }, {
+  asinh: asinh
+});
diff --git a/node_modules/core-js/modules/es.math.atanh.js b/node_modules/core-js/modules/es.math.atanh.js
new file mode 100644
index 0000000..9116f8e
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.atanh.js
@@ -0,0 +1,13 @@
+var $ = require('../internals/export');
+
+var nativeAtanh = Math.atanh;
+var log = Math.log;
+
+// `Math.atanh` method
+// https://tc39.github.io/ecma262/#sec-math.atanh
+// Tor Browser bug: Math.atanh(-0) -> 0
+$({ target: 'Math', stat: true, forced: !(nativeAtanh && 1 / nativeAtanh(-0) < 0) }, {
+  atanh: function atanh(x) {
+    return (x = +x) == 0 ? x : log((1 + x) / (1 - x)) / 2;
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.cbrt.js b/node_modules/core-js/modules/es.math.cbrt.js
new file mode 100644
index 0000000..b93416f
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.cbrt.js
@@ -0,0 +1,13 @@
+var $ = require('../internals/export');
+var sign = require('../internals/math-sign');
+
+var abs = Math.abs;
+var pow = Math.pow;
+
+// `Math.cbrt` method
+// https://tc39.github.io/ecma262/#sec-math.cbrt
+$({ target: 'Math', stat: true }, {
+  cbrt: function cbrt(x) {
+    return sign(x = +x) * pow(abs(x), 1 / 3);
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.clz32.js b/node_modules/core-js/modules/es.math.clz32.js
new file mode 100644
index 0000000..7a18e64
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.clz32.js
@@ -0,0 +1,13 @@
+var $ = require('../internals/export');
+
+var floor = Math.floor;
+var log = Math.log;
+var LOG2E = Math.LOG2E;
+
+// `Math.clz32` method
+// https://tc39.github.io/ecma262/#sec-math.clz32
+$({ target: 'Math', stat: true }, {
+  clz32: function clz32(x) {
+    return (x >>>= 0) ? 31 - floor(log(x + 0.5) * LOG2E) : 32;
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.cosh.js b/node_modules/core-js/modules/es.math.cosh.js
new file mode 100644
index 0000000..0c7322a
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.cosh.js
@@ -0,0 +1,15 @@
+var $ = require('../internals/export');
+var expm1 = require('../internals/math-expm1');
+
+var nativeCosh = Math.cosh;
+var abs = Math.abs;
+var E = Math.E;
+
+// `Math.cosh` method
+// https://tc39.github.io/ecma262/#sec-math.cosh
+$({ target: 'Math', stat: true, forced: !nativeCosh || nativeCosh(710) === Infinity }, {
+  cosh: function cosh(x) {
+    var t = expm1(abs(x) - 1) + 1;
+    return (t + 1 / (t * E * E)) * (E / 2);
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.expm1.js b/node_modules/core-js/modules/es.math.expm1.js
new file mode 100644
index 0000000..956eb6f
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.expm1.js
@@ -0,0 +1,6 @@
+var $ = require('../internals/export');
+var expm1 = require('../internals/math-expm1');
+
+// `Math.expm1` method
+// https://tc39.github.io/ecma262/#sec-math.expm1
+$({ target: 'Math', stat: true, forced: expm1 != Math.expm1 }, { expm1: expm1 });
diff --git a/node_modules/core-js/modules/es.math.fround.js b/node_modules/core-js/modules/es.math.fround.js
new file mode 100644
index 0000000..5df62db
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.fround.js
@@ -0,0 +1,6 @@
+var $ = require('../internals/export');
+var fround = require('../internals/math-fround');
+
+// `Math.fround` method
+// https://tc39.github.io/ecma262/#sec-math.fround
+$({ target: 'Math', stat: true }, { fround: fround });
diff --git a/node_modules/core-js/modules/es.math.hypot.js b/node_modules/core-js/modules/es.math.hypot.js
new file mode 100644
index 0000000..0e8d17b
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.hypot.js
@@ -0,0 +1,33 @@
+var $ = require('../internals/export');
+
+var $hypot = Math.hypot;
+var abs = Math.abs;
+var sqrt = Math.sqrt;
+
+// Chrome 77 bug
+// https://bugs.chromium.org/p/v8/issues/detail?id=9546
+var BUGGY = !!$hypot && $hypot(Infinity, NaN) !== Infinity;
+
+// `Math.hypot` method
+// https://tc39.github.io/ecma262/#sec-math.hypot
+$({ target: 'Math', stat: true, forced: BUGGY }, {
+  hypot: function hypot(value1, value2) { // eslint-disable-line no-unused-vars
+    var sum = 0;
+    var i = 0;
+    var aLen = arguments.length;
+    var larg = 0;
+    var arg, div;
+    while (i < aLen) {
+      arg = abs(arguments[i++]);
+      if (larg < arg) {
+        div = larg / arg;
+        sum = sum * div * div + 1;
+        larg = arg;
+      } else if (arg > 0) {
+        div = arg / larg;
+        sum += div * div;
+      } else sum += arg;
+    }
+    return larg === Infinity ? Infinity : larg * sqrt(sum);
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.imul.js b/node_modules/core-js/modules/es.math.imul.js
new file mode 100644
index 0000000..3882a3e
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.imul.js
@@ -0,0 +1,22 @@
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+
+var nativeImul = Math.imul;
+
+var FORCED = fails(function () {
+  return nativeImul(0xFFFFFFFF, 5) != -5 || nativeImul.length != 2;
+});
+
+// `Math.imul` method
+// https://tc39.github.io/ecma262/#sec-math.imul
+// some WebKit versions fails with big numbers, some has wrong arity
+$({ target: 'Math', stat: true, forced: FORCED }, {
+  imul: function imul(x, y) {
+    var UINT16 = 0xFFFF;
+    var xn = +x;
+    var yn = +y;
+    var xl = UINT16 & xn;
+    var yl = UINT16 & yn;
+    return 0 | xl * yl + ((UINT16 & xn >>> 16) * yl + xl * (UINT16 & yn >>> 16) << 16 >>> 0);
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.log10.js b/node_modules/core-js/modules/es.math.log10.js
new file mode 100644
index 0000000..86ba3db
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.log10.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+
+var log = Math.log;
+var LOG10E = Math.LOG10E;
+
+// `Math.log10` method
+// https://tc39.github.io/ecma262/#sec-math.log10
+$({ target: 'Math', stat: true }, {
+  log10: function log10(x) {
+    return log(x) * LOG10E;
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.log1p.js b/node_modules/core-js/modules/es.math.log1p.js
new file mode 100644
index 0000000..0327661
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.log1p.js
@@ -0,0 +1,6 @@
+var $ = require('../internals/export');
+var log1p = require('../internals/math-log1p');
+
+// `Math.log1p` method
+// https://tc39.github.io/ecma262/#sec-math.log1p
+$({ target: 'Math', stat: true }, { log1p: log1p });
diff --git a/node_modules/core-js/modules/es.math.log2.js b/node_modules/core-js/modules/es.math.log2.js
new file mode 100644
index 0000000..22fcedf
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.log2.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+
+var log = Math.log;
+var LN2 = Math.LN2;
+
+// `Math.log2` method
+// https://tc39.github.io/ecma262/#sec-math.log2
+$({ target: 'Math', stat: true }, {
+  log2: function log2(x) {
+    return log(x) / LN2;
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.sign.js b/node_modules/core-js/modules/es.math.sign.js
new file mode 100644
index 0000000..19e3a78
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.sign.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var sign = require('../internals/math-sign');
+
+// `Math.sign` method
+// https://tc39.github.io/ecma262/#sec-math.sign
+$({ target: 'Math', stat: true }, {
+  sign: sign
+});
diff --git a/node_modules/core-js/modules/es.math.sinh.js b/node_modules/core-js/modules/es.math.sinh.js
new file mode 100644
index 0000000..11ba610
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.sinh.js
@@ -0,0 +1,20 @@
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var expm1 = require('../internals/math-expm1');
+
+var abs = Math.abs;
+var exp = Math.exp;
+var E = Math.E;
+
+var FORCED = fails(function () {
+  return Math.sinh(-2e-17) != -2e-17;
+});
+
+// `Math.sinh` method
+// https://tc39.github.io/ecma262/#sec-math.sinh
+// V8 near Chromium 38 has a problem with very small numbers
+$({ target: 'Math', stat: true, forced: FORCED }, {
+  sinh: function sinh(x) {
+    return abs(x = +x) < 1 ? (expm1(x) - expm1(-x)) / 2 : (exp(x - 1) - exp(-x - 1)) * (E / 2);
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.tanh.js b/node_modules/core-js/modules/es.math.tanh.js
new file mode 100644
index 0000000..3b57402
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.tanh.js
@@ -0,0 +1,14 @@
+var $ = require('../internals/export');
+var expm1 = require('../internals/math-expm1');
+
+var exp = Math.exp;
+
+// `Math.tanh` method
+// https://tc39.github.io/ecma262/#sec-math.tanh
+$({ target: 'Math', stat: true }, {
+  tanh: function tanh(x) {
+    var a = expm1(x = +x);
+    var b = expm1(-x);
+    return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));
+  }
+});
diff --git a/node_modules/core-js/modules/es.math.to-string-tag.js b/node_modules/core-js/modules/es.math.to-string-tag.js
new file mode 100644
index 0000000..4ab0811
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.to-string-tag.js
@@ -0,0 +1,5 @@
+var setToStringTag = require('../internals/set-to-string-tag');
+
+// Math[@@toStringTag] property
+// https://tc39.github.io/ecma262/#sec-math-@@tostringtag
+setToStringTag(Math, 'Math', true);
diff --git a/node_modules/core-js/modules/es.math.trunc.js b/node_modules/core-js/modules/es.math.trunc.js
new file mode 100644
index 0000000..0e8351d
--- /dev/null
+++ b/node_modules/core-js/modules/es.math.trunc.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+
+var ceil = Math.ceil;
+var floor = Math.floor;
+
+// `Math.trunc` method
+// https://tc39.github.io/ecma262/#sec-math.trunc
+$({ target: 'Math', stat: true }, {
+  trunc: function trunc(it) {
+    return (it > 0 ? floor : ceil)(it);
+  }
+});
diff --git a/node_modules/core-js/modules/es.number.constructor.js b/node_modules/core-js/modules/es.number.constructor.js
new file mode 100644
index 0000000..37fdbbc
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.constructor.js
@@ -0,0 +1,80 @@
+'use strict';
+var DESCRIPTORS = require('../internals/descriptors');
+var global = require('../internals/global');
+var isForced = require('../internals/is-forced');
+var redefine = require('../internals/redefine');
+var has = require('../internals/has');
+var classof = require('../internals/classof-raw');
+var inheritIfRequired = require('../internals/inherit-if-required');
+var toPrimitive = require('../internals/to-primitive');
+var fails = require('../internals/fails');
+var create = require('../internals/object-create');
+var getOwnPropertyNames = require('../internals/object-get-own-property-names').f;
+var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
+var defineProperty = require('../internals/object-define-property').f;
+var trim = require('../internals/string-trim').trim;
+
+var NUMBER = 'Number';
+var NativeNumber = global[NUMBER];
+var NumberPrototype = NativeNumber.prototype;
+
+// Opera ~12 has broken Object#toString
+var BROKEN_CLASSOF = classof(create(NumberPrototype)) == NUMBER;
+
+// `ToNumber` abstract operation
+// https://tc39.github.io/ecma262/#sec-tonumber
+var toNumber = function (argument) {
+  var it = toPrimitive(argument, false);
+  var first, third, radix, maxCode, digits, length, index, code;
+  if (typeof it == 'string' && it.length > 2) {
+    it = trim(it);
+    first = it.charCodeAt(0);
+    if (first === 43 || first === 45) {
+      third = it.charCodeAt(2);
+      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
+    } else if (first === 48) {
+      switch (it.charCodeAt(1)) {
+        case 66: case 98: radix = 2; maxCode = 49; break; // fast equal of /^0b[01]+$/i
+        case 79: case 111: radix = 8; maxCode = 55; break; // fast equal of /^0o[0-7]+$/i
+        default: return +it;
+      }
+      digits = it.slice(2);
+      length = digits.length;
+      for (index = 0; index < length; index++) {
+        code = digits.charCodeAt(index);
+        // parseInt parses a string to a first unavailable symbol
+        // but ToNumber should return NaN if a string contains unavailable symbols
+        if (code < 48 || code > maxCode) return NaN;
+      } return parseInt(digits, radix);
+    }
+  } return +it;
+};
+
+// `Number` constructor
+// https://tc39.github.io/ecma262/#sec-number-constructor
+if (isForced(NUMBER, !NativeNumber(' 0o1') || !NativeNumber('0b1') || NativeNumber('+0x1'))) {
+  var NumberWrapper = function Number(value) {
+    var it = arguments.length < 1 ? 0 : value;
+    var dummy = this;
+    return dummy instanceof NumberWrapper
+      // check on 1..constructor(foo) case
+      && (BROKEN_CLASSOF ? fails(function () { NumberPrototype.valueOf.call(dummy); }) : classof(dummy) != NUMBER)
+        ? inheritIfRequired(new NativeNumber(toNumber(it)), dummy, NumberWrapper) : toNumber(it);
+  };
+  for (var keys = DESCRIPTORS ? getOwnPropertyNames(NativeNumber) : (
+    // ES3:
+    'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
+    // ES2015 (in case, if modules with ES2015 Number statics required before):
+    'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +
+    'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger,' +
+    // ESNext
+    'fromString,range'
+  ).split(','), j = 0, key; keys.length > j; j++) {
+    if (has(NativeNumber, key = keys[j]) && !has(NumberWrapper, key)) {
+      defineProperty(NumberWrapper, key, getOwnPropertyDescriptor(NativeNumber, key));
+    }
+  }
+  NumberWrapper.prototype = NumberPrototype;
+  NumberPrototype.constructor = NumberWrapper;
+  redefine(global, NUMBER, NumberWrapper);
+}
diff --git a/node_modules/core-js/modules/es.number.epsilon.js b/node_modules/core-js/modules/es.number.epsilon.js
new file mode 100644
index 0000000..b602724
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.epsilon.js
@@ -0,0 +1,7 @@
+var $ = require('../internals/export');
+
+// `Number.EPSILON` constant
+// https://tc39.github.io/ecma262/#sec-number.epsilon
+$({ target: 'Number', stat: true }, {
+  EPSILON: Math.pow(2, -52)
+});
diff --git a/node_modules/core-js/modules/es.number.is-finite.js b/node_modules/core-js/modules/es.number.is-finite.js
new file mode 100644
index 0000000..6308eb4
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.is-finite.js
@@ -0,0 +1,6 @@
+var $ = require('../internals/export');
+var numberIsFinite = require('../internals/number-is-finite');
+
+// `Number.isFinite` method
+// https://tc39.github.io/ecma262/#sec-number.isfinite
+$({ target: 'Number', stat: true }, { isFinite: numberIsFinite });
diff --git a/node_modules/core-js/modules/es.number.is-integer.js b/node_modules/core-js/modules/es.number.is-integer.js
new file mode 100644
index 0000000..b15b739
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.is-integer.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var isInteger = require('../internals/is-integer');
+
+// `Number.isInteger` method
+// https://tc39.github.io/ecma262/#sec-number.isinteger
+$({ target: 'Number', stat: true }, {
+  isInteger: isInteger
+});
diff --git a/node_modules/core-js/modules/es.number.is-nan.js b/node_modules/core-js/modules/es.number.is-nan.js
new file mode 100644
index 0000000..f384acc
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.is-nan.js
@@ -0,0 +1,10 @@
+var $ = require('../internals/export');
+
+// `Number.isNaN` method
+// https://tc39.github.io/ecma262/#sec-number.isnan
+$({ target: 'Number', stat: true }, {
+  isNaN: function isNaN(number) {
+    // eslint-disable-next-line no-self-compare
+    return number != number;
+  }
+});
diff --git a/node_modules/core-js/modules/es.number.is-safe-integer.js b/node_modules/core-js/modules/es.number.is-safe-integer.js
new file mode 100644
index 0000000..cea6704
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.is-safe-integer.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+var isInteger = require('../internals/is-integer');
+
+var abs = Math.abs;
+
+// `Number.isSafeInteger` method
+// https://tc39.github.io/ecma262/#sec-number.issafeinteger
+$({ target: 'Number', stat: true }, {
+  isSafeInteger: function isSafeInteger(number) {
+    return isInteger(number) && abs(number) <= 0x1FFFFFFFFFFFFF;
+  }
+});
diff --git a/node_modules/core-js/modules/es.number.max-safe-integer.js b/node_modules/core-js/modules/es.number.max-safe-integer.js
new file mode 100644
index 0000000..7fc5890
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.max-safe-integer.js
@@ -0,0 +1,7 @@
+var $ = require('../internals/export');
+
+// `Number.MAX_SAFE_INTEGER` constant
+// https://tc39.github.io/ecma262/#sec-number.max_safe_integer
+$({ target: 'Number', stat: true }, {
+  MAX_SAFE_INTEGER: 0x1FFFFFFFFFFFFF
+});
diff --git a/node_modules/core-js/modules/es.number.min-safe-integer.js b/node_modules/core-js/modules/es.number.min-safe-integer.js
new file mode 100644
index 0000000..500a8f6
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.min-safe-integer.js
@@ -0,0 +1,7 @@
+var $ = require('../internals/export');
+
+// `Number.MIN_SAFE_INTEGER` constant
+// https://tc39.github.io/ecma262/#sec-number.min_safe_integer
+$({ target: 'Number', stat: true }, {
+  MIN_SAFE_INTEGER: -0x1FFFFFFFFFFFFF
+});
diff --git a/node_modules/core-js/modules/es.number.parse-float.js b/node_modules/core-js/modules/es.number.parse-float.js
new file mode 100644
index 0000000..5310ec1
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.parse-float.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var parseFloat = require('../internals/number-parse-float');
+
+// `Number.parseFloat` method
+// https://tc39.github.io/ecma262/#sec-number.parseFloat
+$({ target: 'Number', stat: true, forced: Number.parseFloat != parseFloat }, {
+  parseFloat: parseFloat
+});
diff --git a/node_modules/core-js/modules/es.number.parse-int.js b/node_modules/core-js/modules/es.number.parse-int.js
new file mode 100644
index 0000000..7f31df1
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.parse-int.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var parseInt = require('../internals/number-parse-int');
+
+// `Number.parseInt` method
+// https://tc39.github.io/ecma262/#sec-number.parseint
+$({ target: 'Number', stat: true, forced: Number.parseInt != parseInt }, {
+  parseInt: parseInt
+});
diff --git a/node_modules/core-js/modules/es.number.to-fixed.js b/node_modules/core-js/modules/es.number.to-fixed.js
new file mode 100644
index 0000000..fa4d3e2
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.to-fixed.js
@@ -0,0 +1,126 @@
+'use strict';
+var $ = require('../internals/export');
+var toInteger = require('../internals/to-integer');
+var thisNumberValue = require('../internals/this-number-value');
+var repeat = require('../internals/string-repeat');
+var fails = require('../internals/fails');
+
+var nativeToFixed = 1.0.toFixed;
+var floor = Math.floor;
+
+var pow = function (x, n, acc) {
+  return n === 0 ? acc : n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc);
+};
+
+var log = function (x) {
+  var n = 0;
+  var x2 = x;
+  while (x2 >= 4096) {
+    n += 12;
+    x2 /= 4096;
+  }
+  while (x2 >= 2) {
+    n += 1;
+    x2 /= 2;
+  } return n;
+};
+
+var FORCED = nativeToFixed && (
+  0.00008.toFixed(3) !== '0.000' ||
+  0.9.toFixed(0) !== '1' ||
+  1.255.toFixed(2) !== '1.25' ||
+  1000000000000000128.0.toFixed(0) !== '1000000000000000128'
+) || !fails(function () {
+  // V8 ~ Android 4.3-
+  nativeToFixed.call({});
+});
+
+// `Number.prototype.toFixed` method
+// https://tc39.github.io/ecma262/#sec-number.prototype.tofixed
+$({ target: 'Number', proto: true, forced: FORCED }, {
+  // eslint-disable-next-line max-statements
+  toFixed: function toFixed(fractionDigits) {
+    var number = thisNumberValue(this);
+    var fractDigits = toInteger(fractionDigits);
+    var data = [0, 0, 0, 0, 0, 0];
+    var sign = '';
+    var result = '0';
+    var e, z, j, k;
+
+    var multiply = function (n, c) {
+      var index = -1;
+      var c2 = c;
+      while (++index < 6) {
+        c2 += n * data[index];
+        data[index] = c2 % 1e7;
+        c2 = floor(c2 / 1e7);
+      }
+    };
+
+    var divide = function (n) {
+      var index = 6;
+      var c = 0;
+      while (--index >= 0) {
+        c += data[index];
+        data[index] = floor(c / n);
+        c = (c % n) * 1e7;
+      }
+    };
+
+    var dataToString = function () {
+      var index = 6;
+      var s = '';
+      while (--index >= 0) {
+        if (s !== '' || index === 0 || data[index] !== 0) {
+          var t = String(data[index]);
+          s = s === '' ? t : s + repeat.call('0', 7 - t.length) + t;
+        }
+      } return s;
+    };
+
+    if (fractDigits < 0 || fractDigits > 20) throw RangeError('Incorrect fraction digits');
+    // eslint-disable-next-line no-self-compare
+    if (number != number) return 'NaN';
+    if (number <= -1e21 || number >= 1e21) return String(number);
+    if (number < 0) {
+      sign = '-';
+      number = -number;
+    }
+    if (number > 1e-21) {
+      e = log(number * pow(2, 69, 1)) - 69;
+      z = e < 0 ? number * pow(2, -e, 1) : number / pow(2, e, 1);
+      z *= 0x10000000000000;
+      e = 52 - e;
+      if (e > 0) {
+        multiply(0, z);
+        j = fractDigits;
+        while (j >= 7) {
+          multiply(1e7, 0);
+          j -= 7;
+        }
+        multiply(pow(10, j, 1), 0);
+        j = e - 1;
+        while (j >= 23) {
+          divide(1 << 23);
+          j -= 23;
+        }
+        divide(1 << j);
+        multiply(1, 1);
+        divide(2);
+        result = dataToString();
+      } else {
+        multiply(0, z);
+        multiply(1 << -e, 0);
+        result = dataToString() + repeat.call('0', fractDigits);
+      }
+    }
+    if (fractDigits > 0) {
+      k = result.length;
+      result = sign + (k <= fractDigits
+        ? '0.' + repeat.call('0', fractDigits - k) + result
+        : result.slice(0, k - fractDigits) + '.' + result.slice(k - fractDigits));
+    } else {
+      result = sign + result;
+    } return result;
+  }
+});
diff --git a/node_modules/core-js/modules/es.number.to-precision.js b/node_modules/core-js/modules/es.number.to-precision.js
new file mode 100644
index 0000000..7108296
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.to-precision.js
@@ -0,0 +1,24 @@
+'use strict';
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var thisNumberValue = require('../internals/this-number-value');
+
+var nativeToPrecision = 1.0.toPrecision;
+
+var FORCED = fails(function () {
+  // IE7-
+  return nativeToPrecision.call(1, undefined) !== '1';
+}) || !fails(function () {
+  // V8 ~ Android 4.3-
+  nativeToPrecision.call({});
+});
+
+// `Number.prototype.toPrecision` method
+// https://tc39.github.io/ecma262/#sec-number.prototype.toprecision
+$({ target: 'Number', proto: true, forced: FORCED }, {
+  toPrecision: function toPrecision(precision) {
+    return precision === undefined
+      ? nativeToPrecision.call(thisNumberValue(this))
+      : nativeToPrecision.call(thisNumberValue(this), precision);
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.assign.js b/node_modules/core-js/modules/es.object.assign.js
new file mode 100644
index 0000000..5b00e6a
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.assign.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var assign = require('../internals/object-assign');
+
+// `Object.assign` method
+// https://tc39.github.io/ecma262/#sec-object.assign
+$({ target: 'Object', stat: true, forced: Object.assign !== assign }, {
+  assign: assign
+});
diff --git a/node_modules/core-js/modules/es.object.create.js b/node_modules/core-js/modules/es.object.create.js
new file mode 100644
index 0000000..3c27869
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.create.js
@@ -0,0 +1,9 @@
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var create = require('../internals/object-create');
+
+// `Object.create` method
+// https://tc39.github.io/ecma262/#sec-object.create
+$({ target: 'Object', stat: true, sham: !DESCRIPTORS }, {
+  create: create
+});
diff --git a/node_modules/core-js/modules/es.object.define-getter.js b/node_modules/core-js/modules/es.object.define-getter.js
new file mode 100644
index 0000000..0a44e45
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.define-getter.js
@@ -0,0 +1,17 @@
+'use strict';
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var FORCED = require('../internals/object-prototype-accessors-forced');
+var toObject = require('../internals/to-object');
+var aFunction = require('../internals/a-function');
+var definePropertyModule = require('../internals/object-define-property');
+
+// `Object.prototype.__defineGetter__` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.__defineGetter__
+if (DESCRIPTORS) {
+  $({ target: 'Object', proto: true, forced: FORCED }, {
+    __defineGetter__: function __defineGetter__(P, getter) {
+      definePropertyModule.f(toObject(this), P, { get: aFunction(getter), enumerable: true, configurable: true });
+    }
+  });
+}
diff --git a/node_modules/core-js/modules/es.object.define-properties.js b/node_modules/core-js/modules/es.object.define-properties.js
new file mode 100644
index 0000000..9400799
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.define-properties.js
@@ -0,0 +1,9 @@
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var defineProperties = require('../internals/object-define-properties');
+
+// `Object.defineProperties` method
+// https://tc39.github.io/ecma262/#sec-object.defineproperties
+$({ target: 'Object', stat: true, forced: !DESCRIPTORS, sham: !DESCRIPTORS }, {
+  defineProperties: defineProperties
+});
diff --git a/node_modules/core-js/modules/es.object.define-property.js b/node_modules/core-js/modules/es.object.define-property.js
new file mode 100644
index 0000000..19fcf5b
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.define-property.js
@@ -0,0 +1,9 @@
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var objectDefinePropertyModile = require('../internals/object-define-property');
+
+// `Object.defineProperty` method
+// https://tc39.github.io/ecma262/#sec-object.defineproperty
+$({ target: 'Object', stat: true, forced: !DESCRIPTORS, sham: !DESCRIPTORS }, {
+  defineProperty: objectDefinePropertyModile.f
+});
diff --git a/node_modules/core-js/modules/es.object.define-setter.js b/node_modules/core-js/modules/es.object.define-setter.js
new file mode 100644
index 0000000..4250177
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.define-setter.js
@@ -0,0 +1,17 @@
+'use strict';
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var FORCED = require('../internals/object-prototype-accessors-forced');
+var toObject = require('../internals/to-object');
+var aFunction = require('../internals/a-function');
+var definePropertyModule = require('../internals/object-define-property');
+
+// `Object.prototype.__defineSetter__` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.__defineSetter__
+if (DESCRIPTORS) {
+  $({ target: 'Object', proto: true, forced: FORCED }, {
+    __defineSetter__: function __defineSetter__(P, setter) {
+      definePropertyModule.f(toObject(this), P, { set: aFunction(setter), enumerable: true, configurable: true });
+    }
+  });
+}
diff --git a/node_modules/core-js/modules/es.object.entries.js b/node_modules/core-js/modules/es.object.entries.js
new file mode 100644
index 0000000..a22e693
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.entries.js
@@ -0,0 +1,10 @@
+var $ = require('../internals/export');
+var $entries = require('../internals/object-to-array').entries;
+
+// `Object.entries` method
+// https://tc39.github.io/ecma262/#sec-object.entries
+$({ target: 'Object', stat: true }, {
+  entries: function entries(O) {
+    return $entries(O);
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.freeze.js b/node_modules/core-js/modules/es.object.freeze.js
new file mode 100644
index 0000000..0a623bd
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.freeze.js
@@ -0,0 +1,16 @@
+var $ = require('../internals/export');
+var FREEZING = require('../internals/freezing');
+var fails = require('../internals/fails');
+var isObject = require('../internals/is-object');
+var onFreeze = require('../internals/internal-metadata').onFreeze;
+
+var nativeFreeze = Object.freeze;
+var FAILS_ON_PRIMITIVES = fails(function () { nativeFreeze(1); });
+
+// `Object.freeze` method
+// https://tc39.github.io/ecma262/#sec-object.freeze
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !FREEZING }, {
+  freeze: function freeze(it) {
+    return nativeFreeze && isObject(it) ? nativeFreeze(onFreeze(it)) : it;
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.from-entries.js b/node_modules/core-js/modules/es.object.from-entries.js
new file mode 100644
index 0000000..2b3af9b
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.from-entries.js
@@ -0,0 +1,15 @@
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var createProperty = require('../internals/create-property');
+
+// `Object.fromEntries` method
+// https://github.com/tc39/proposal-object-from-entries
+$({ target: 'Object', stat: true }, {
+  fromEntries: function fromEntries(iterable) {
+    var obj = {};
+    iterate(iterable, function (k, v) {
+      createProperty(obj, k, v);
+    }, { AS_ENTRIES: true });
+    return obj;
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.get-own-property-descriptor.js b/node_modules/core-js/modules/es.object.get-own-property-descriptor.js
new file mode 100644
index 0000000..bfeeb88
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.get-own-property-descriptor.js
@@ -0,0 +1,16 @@
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var toIndexedObject = require('../internals/to-indexed-object');
+var nativeGetOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
+var DESCRIPTORS = require('../internals/descriptors');
+
+var FAILS_ON_PRIMITIVES = fails(function () { nativeGetOwnPropertyDescriptor(1); });
+var FORCED = !DESCRIPTORS || FAILS_ON_PRIMITIVES;
+
+// `Object.getOwnPropertyDescriptor` method
+// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
+$({ target: 'Object', stat: true, forced: FORCED, sham: !DESCRIPTORS }, {
+  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(it, key) {
+    return nativeGetOwnPropertyDescriptor(toIndexedObject(it), key);
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.get-own-property-descriptors.js b/node_modules/core-js/modules/es.object.get-own-property-descriptors.js
new file mode 100644
index 0000000..e29c917
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.get-own-property-descriptors.js
@@ -0,0 +1,24 @@
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var ownKeys = require('../internals/own-keys');
+var toIndexedObject = require('../internals/to-indexed-object');
+var getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');
+var createProperty = require('../internals/create-property');
+
+// `Object.getOwnPropertyDescriptors` method
+// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
+$({ target: 'Object', stat: true, sham: !DESCRIPTORS }, {
+  getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object) {
+    var O = toIndexedObject(object);
+    var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+    var keys = ownKeys(O);
+    var result = {};
+    var index = 0;
+    var key, descriptor;
+    while (keys.length > index) {
+      descriptor = getOwnPropertyDescriptor(O, key = keys[index++]);
+      if (descriptor !== undefined) createProperty(result, key, descriptor);
+    }
+    return result;
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.get-own-property-names.js b/node_modules/core-js/modules/es.object.get-own-property-names.js
new file mode 100644
index 0000000..6a52f45
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.get-own-property-names.js
@@ -0,0 +1,11 @@
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var nativeGetOwnPropertyNames = require('../internals/object-get-own-property-names-external').f;
+
+var FAILS_ON_PRIMITIVES = fails(function () { return !Object.getOwnPropertyNames(1); });
+
+// `Object.getOwnPropertyNames` method
+// https://tc39.github.io/ecma262/#sec-object.getownpropertynames
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
+  getOwnPropertyNames: nativeGetOwnPropertyNames
+});
diff --git a/node_modules/core-js/modules/es.object.get-prototype-of.js b/node_modules/core-js/modules/es.object.get-prototype-of.js
new file mode 100644
index 0000000..7cbb548
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.get-prototype-of.js
@@ -0,0 +1,16 @@
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var toObject = require('../internals/to-object');
+var nativeGetPrototypeOf = require('../internals/object-get-prototype-of');
+var CORRECT_PROTOTYPE_GETTER = require('../internals/correct-prototype-getter');
+
+var FAILS_ON_PRIMITIVES = fails(function () { nativeGetPrototypeOf(1); });
+
+// `Object.getPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-object.getprototypeof
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !CORRECT_PROTOTYPE_GETTER }, {
+  getPrototypeOf: function getPrototypeOf(it) {
+    return nativeGetPrototypeOf(toObject(it));
+  }
+});
+
diff --git a/node_modules/core-js/modules/es.object.is-extensible.js b/node_modules/core-js/modules/es.object.is-extensible.js
new file mode 100644
index 0000000..556405b
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.is-extensible.js
@@ -0,0 +1,14 @@
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var isObject = require('../internals/is-object');
+
+var nativeIsExtensible = Object.isExtensible;
+var FAILS_ON_PRIMITIVES = fails(function () { nativeIsExtensible(1); });
+
+// `Object.isExtensible` method
+// https://tc39.github.io/ecma262/#sec-object.isextensible
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
+  isExtensible: function isExtensible(it) {
+    return isObject(it) ? nativeIsExtensible ? nativeIsExtensible(it) : true : false;
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.is-frozen.js b/node_modules/core-js/modules/es.object.is-frozen.js
new file mode 100644
index 0000000..060314d
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.is-frozen.js
@@ -0,0 +1,14 @@
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var isObject = require('../internals/is-object');
+
+var nativeIsFrozen = Object.isFrozen;
+var FAILS_ON_PRIMITIVES = fails(function () { nativeIsFrozen(1); });
+
+// `Object.isFrozen` method
+// https://tc39.github.io/ecma262/#sec-object.isfrozen
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
+  isFrozen: function isFrozen(it) {
+    return isObject(it) ? nativeIsFrozen ? nativeIsFrozen(it) : false : true;
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.is-sealed.js b/node_modules/core-js/modules/es.object.is-sealed.js
new file mode 100644
index 0000000..0f8b95f
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.is-sealed.js
@@ -0,0 +1,14 @@
+var $ = require('../internals/export');
+var fails = require('../internals/fails');
+var isObject = require('../internals/is-object');
+
+var nativeIsSealed = Object.isSealed;
+var FAILS_ON_PRIMITIVES = fails(function () { nativeIsSealed(1); });
+
+// `Object.isSealed` method
+// https://tc39.github.io/ecma262/#sec-object.issealed
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
+  isSealed: function isSealed(it) {
+    return isObject(it) ? nativeIsSealed ? nativeIsSealed(it) : false : true;
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.is.js b/node_modules/core-js/modules/es.object.is.js
new file mode 100644
index 0000000..9ef6f0a
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.is.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var is = require('../internals/same-value');
+
+// `Object.is` method
+// https://tc39.github.io/ecma262/#sec-object.is
+$({ target: 'Object', stat: true }, {
+  is: is
+});
diff --git a/node_modules/core-js/modules/es.object.keys.js b/node_modules/core-js/modules/es.object.keys.js
new file mode 100644
index 0000000..dc24884
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.keys.js
@@ -0,0 +1,14 @@
+var $ = require('../internals/export');
+var toObject = require('../internals/to-object');
+var nativeKeys = require('../internals/object-keys');
+var fails = require('../internals/fails');
+
+var FAILS_ON_PRIMITIVES = fails(function () { nativeKeys(1); });
+
+// `Object.keys` method
+// https://tc39.github.io/ecma262/#sec-object.keys
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
+  keys: function keys(it) {
+    return nativeKeys(toObject(it));
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.lookup-getter.js b/node_modules/core-js/modules/es.object.lookup-getter.js
new file mode 100644
index 0000000..46e3fd0
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.lookup-getter.js
@@ -0,0 +1,23 @@
+'use strict';
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var FORCED = require('../internals/object-prototype-accessors-forced');
+var toObject = require('../internals/to-object');
+var toPrimitive = require('../internals/to-primitive');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
+
+// `Object.prototype.__lookupGetter__` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.__lookupGetter__
+if (DESCRIPTORS) {
+  $({ target: 'Object', proto: true, forced: FORCED }, {
+    __lookupGetter__: function __lookupGetter__(P) {
+      var O = toObject(this);
+      var key = toPrimitive(P, true);
+      var desc;
+      do {
+        if (desc = getOwnPropertyDescriptor(O, key)) return desc.get;
+      } while (O = getPrototypeOf(O));
+    }
+  });
+}
diff --git a/node_modules/core-js/modules/es.object.lookup-setter.js b/node_modules/core-js/modules/es.object.lookup-setter.js
new file mode 100644
index 0000000..57d49fa
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.lookup-setter.js
@@ -0,0 +1,23 @@
+'use strict';
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var FORCED = require('../internals/object-prototype-accessors-forced');
+var toObject = require('../internals/to-object');
+var toPrimitive = require('../internals/to-primitive');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
+
+// `Object.prototype.__lookupSetter__` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.__lookupSetter__
+if (DESCRIPTORS) {
+  $({ target: 'Object', proto: true, forced: FORCED }, {
+    __lookupSetter__: function __lookupSetter__(P) {
+      var O = toObject(this);
+      var key = toPrimitive(P, true);
+      var desc;
+      do {
+        if (desc = getOwnPropertyDescriptor(O, key)) return desc.set;
+      } while (O = getPrototypeOf(O));
+    }
+  });
+}
diff --git a/node_modules/core-js/modules/es.object.prevent-extensions.js b/node_modules/core-js/modules/es.object.prevent-extensions.js
new file mode 100644
index 0000000..bb7b268
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.prevent-extensions.js
@@ -0,0 +1,16 @@
+var $ = require('../internals/export');
+var isObject = require('../internals/is-object');
+var onFreeze = require('../internals/internal-metadata').onFreeze;
+var FREEZING = require('../internals/freezing');
+var fails = require('../internals/fails');
+
+var nativePreventExtensions = Object.preventExtensions;
+var FAILS_ON_PRIMITIVES = fails(function () { nativePreventExtensions(1); });
+
+// `Object.preventExtensions` method
+// https://tc39.github.io/ecma262/#sec-object.preventextensions
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !FREEZING }, {
+  preventExtensions: function preventExtensions(it) {
+    return nativePreventExtensions && isObject(it) ? nativePreventExtensions(onFreeze(it)) : it;
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.seal.js b/node_modules/core-js/modules/es.object.seal.js
new file mode 100644
index 0000000..35fae0c
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.seal.js
@@ -0,0 +1,16 @@
+var $ = require('../internals/export');
+var isObject = require('../internals/is-object');
+var onFreeze = require('../internals/internal-metadata').onFreeze;
+var FREEZING = require('../internals/freezing');
+var fails = require('../internals/fails');
+
+var nativeSeal = Object.seal;
+var FAILS_ON_PRIMITIVES = fails(function () { nativeSeal(1); });
+
+// `Object.seal` method
+// https://tc39.github.io/ecma262/#sec-object.seal
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !FREEZING }, {
+  seal: function seal(it) {
+    return nativeSeal && isObject(it) ? nativeSeal(onFreeze(it)) : it;
+  }
+});
diff --git a/node_modules/core-js/modules/es.object.set-prototype-of.js b/node_modules/core-js/modules/es.object.set-prototype-of.js
new file mode 100644
index 0000000..cbe0578
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.set-prototype-of.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var setPrototypeOf = require('../internals/object-set-prototype-of');
+
+// `Object.setPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-object.setprototypeof
+$({ target: 'Object', stat: true }, {
+  setPrototypeOf: setPrototypeOf
+});
diff --git a/node_modules/core-js/modules/es.object.to-string.js b/node_modules/core-js/modules/es.object.to-string.js
new file mode 100644
index 0000000..705de4c
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.to-string.js
@@ -0,0 +1,9 @@
+var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');
+var redefine = require('../internals/redefine');
+var toString = require('../internals/object-to-string');
+
+// `Object.prototype.toString` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.tostring
+if (!TO_STRING_TAG_SUPPORT) {
+  redefine(Object.prototype, 'toString', toString, { unsafe: true });
+}
diff --git a/node_modules/core-js/modules/es.object.values.js b/node_modules/core-js/modules/es.object.values.js
new file mode 100644
index 0000000..a3074cf
--- /dev/null
+++ b/node_modules/core-js/modules/es.object.values.js
@@ -0,0 +1,10 @@
+var $ = require('../internals/export');
+var $values = require('../internals/object-to-array').values;
+
+// `Object.values` method
+// https://tc39.github.io/ecma262/#sec-object.values
+$({ target: 'Object', stat: true }, {
+  values: function values(O) {
+    return $values(O);
+  }
+});
diff --git a/node_modules/core-js/modules/es.parse-float.js b/node_modules/core-js/modules/es.parse-float.js
new file mode 100644
index 0000000..1245deb
--- /dev/null
+++ b/node_modules/core-js/modules/es.parse-float.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var parseFloatImplementation = require('../internals/number-parse-float');
+
+// `parseFloat` method
+// https://tc39.github.io/ecma262/#sec-parsefloat-string
+$({ global: true, forced: parseFloat != parseFloatImplementation }, {
+  parseFloat: parseFloatImplementation
+});
diff --git a/node_modules/core-js/modules/es.parse-int.js b/node_modules/core-js/modules/es.parse-int.js
new file mode 100644
index 0000000..b462541
--- /dev/null
+++ b/node_modules/core-js/modules/es.parse-int.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var parseIntImplementation = require('../internals/number-parse-int');
+
+// `parseInt` method
+// https://tc39.github.io/ecma262/#sec-parseint-string-radix
+$({ global: true, forced: parseInt != parseIntImplementation }, {
+  parseInt: parseIntImplementation
+});
diff --git a/node_modules/core-js/modules/es.promise.all-settled.js b/node_modules/core-js/modules/es.promise.all-settled.js
new file mode 100644
index 0000000..ed10ce6
--- /dev/null
+++ b/node_modules/core-js/modules/es.promise.all-settled.js
@@ -0,0 +1,43 @@
+'use strict';
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var newPromiseCapabilityModule = require('../internals/new-promise-capability');
+var perform = require('../internals/perform');
+var iterate = require('../internals/iterate');
+
+// `Promise.allSettled` method
+// https://github.com/tc39/proposal-promise-allSettled
+$({ target: 'Promise', stat: true }, {
+  allSettled: function allSettled(iterable) {
+    var C = this;
+    var capability = newPromiseCapabilityModule.f(C);
+    var resolve = capability.resolve;
+    var reject = capability.reject;
+    var result = perform(function () {
+      var promiseResolve = aFunction(C.resolve);
+      var values = [];
+      var counter = 0;
+      var remaining = 1;
+      iterate(iterable, function (promise) {
+        var index = counter++;
+        var alreadyCalled = false;
+        values.push(undefined);
+        remaining++;
+        promiseResolve.call(C, promise).then(function (value) {
+          if (alreadyCalled) return;
+          alreadyCalled = true;
+          values[index] = { status: 'fulfilled', value: value };
+          --remaining || resolve(values);
+        }, function (error) {
+          if (alreadyCalled) return;
+          alreadyCalled = true;
+          values[index] = { status: 'rejected', reason: error };
+          --remaining || resolve(values);
+        });
+      });
+      --remaining || resolve(values);
+    });
+    if (result.error) reject(result.value);
+    return capability.promise;
+  }
+});
diff --git a/node_modules/core-js/modules/es.promise.any.js b/node_modules/core-js/modules/es.promise.any.js
new file mode 100644
index 0000000..08368b4
--- /dev/null
+++ b/node_modules/core-js/modules/es.promise.any.js
@@ -0,0 +1,46 @@
+'use strict';
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var getBuiltIn = require('../internals/get-built-in');
+var newPromiseCapabilityModule = require('../internals/new-promise-capability');
+var perform = require('../internals/perform');
+var iterate = require('../internals/iterate');
+
+var PROMISE_ANY_ERROR = 'No one promise resolved';
+
+// `Promise.any` method
+// https://github.com/tc39/proposal-promise-any
+$({ target: 'Promise', stat: true }, {
+  any: function any(iterable) {
+    var C = this;
+    var capability = newPromiseCapabilityModule.f(C);
+    var resolve = capability.resolve;
+    var reject = capability.reject;
+    var result = perform(function () {
+      var promiseResolve = aFunction(C.resolve);
+      var errors = [];
+      var counter = 0;
+      var remaining = 1;
+      var alreadyResolved = false;
+      iterate(iterable, function (promise) {
+        var index = counter++;
+        var alreadyRejected = false;
+        errors.push(undefined);
+        remaining++;
+        promiseResolve.call(C, promise).then(function (value) {
+          if (alreadyRejected || alreadyResolved) return;
+          alreadyResolved = true;
+          resolve(value);
+        }, function (error) {
+          if (alreadyRejected || alreadyResolved) return;
+          alreadyRejected = true;
+          errors[index] = error;
+          --remaining || reject(new (getBuiltIn('AggregateError'))(errors, PROMISE_ANY_ERROR));
+        });
+      });
+      --remaining || reject(new (getBuiltIn('AggregateError'))(errors, PROMISE_ANY_ERROR));
+    });
+    if (result.error) reject(result.value);
+    return capability.promise;
+  }
+});
diff --git a/node_modules/core-js/modules/es.promise.finally.js b/node_modules/core-js/modules/es.promise.finally.js
new file mode 100644
index 0000000..7efe3e5
--- /dev/null
+++ b/node_modules/core-js/modules/es.promise.finally.js
@@ -0,0 +1,36 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var NativePromise = require('../internals/native-promise-constructor');
+var fails = require('../internals/fails');
+var getBuiltIn = require('../internals/get-built-in');
+var speciesConstructor = require('../internals/species-constructor');
+var promiseResolve = require('../internals/promise-resolve');
+var redefine = require('../internals/redefine');
+
+// Safari bug https://bugs.webkit.org/show_bug.cgi?id=200829
+var NON_GENERIC = !!NativePromise && fails(function () {
+  NativePromise.prototype['finally'].call({ then: function () { /* empty */ } }, function () { /* empty */ });
+});
+
+// `Promise.prototype.finally` method
+// https://tc39.github.io/ecma262/#sec-promise.prototype.finally
+$({ target: 'Promise', proto: true, real: true, forced: NON_GENERIC }, {
+  'finally': function (onFinally) {
+    var C = speciesConstructor(this, getBuiltIn('Promise'));
+    var isFunction = typeof onFinally == 'function';
+    return this.then(
+      isFunction ? function (x) {
+        return promiseResolve(C, onFinally()).then(function () { return x; });
+      } : onFinally,
+      isFunction ? function (e) {
+        return promiseResolve(C, onFinally()).then(function () { throw e; });
+      } : onFinally
+    );
+  }
+});
+
+// patch native Promise.prototype for native async functions
+if (!IS_PURE && typeof NativePromise == 'function' && !NativePromise.prototype['finally']) {
+  redefine(NativePromise.prototype, 'finally', getBuiltIn('Promise').prototype['finally']);
+}
diff --git a/node_modules/core-js/modules/es.promise.js b/node_modules/core-js/modules/es.promise.js
new file mode 100644
index 0000000..10a48e6
--- /dev/null
+++ b/node_modules/core-js/modules/es.promise.js
@@ -0,0 +1,381 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var global = require('../internals/global');
+var getBuiltIn = require('../internals/get-built-in');
+var NativePromise = require('../internals/native-promise-constructor');
+var redefine = require('../internals/redefine');
+var redefineAll = require('../internals/redefine-all');
+var setToStringTag = require('../internals/set-to-string-tag');
+var setSpecies = require('../internals/set-species');
+var isObject = require('../internals/is-object');
+var aFunction = require('../internals/a-function');
+var anInstance = require('../internals/an-instance');
+var inspectSource = require('../internals/inspect-source');
+var iterate = require('../internals/iterate');
+var checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');
+var speciesConstructor = require('../internals/species-constructor');
+var task = require('../internals/task').set;
+var microtask = require('../internals/microtask');
+var promiseResolve = require('../internals/promise-resolve');
+var hostReportErrors = require('../internals/host-report-errors');
+var newPromiseCapabilityModule = require('../internals/new-promise-capability');
+var perform = require('../internals/perform');
+var InternalStateModule = require('../internals/internal-state');
+var isForced = require('../internals/is-forced');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var IS_NODE = require('../internals/engine-is-node');
+var V8_VERSION = require('../internals/engine-v8-version');
+
+var SPECIES = wellKnownSymbol('species');
+var PROMISE = 'Promise';
+var getInternalState = InternalStateModule.get;
+var setInternalState = InternalStateModule.set;
+var getInternalPromiseState = InternalStateModule.getterFor(PROMISE);
+var PromiseConstructor = NativePromise;
+var TypeError = global.TypeError;
+var document = global.document;
+var process = global.process;
+var $fetch = getBuiltIn('fetch');
+var newPromiseCapability = newPromiseCapabilityModule.f;
+var newGenericPromiseCapability = newPromiseCapability;
+var DISPATCH_EVENT = !!(document && document.createEvent && global.dispatchEvent);
+var NATIVE_REJECTION_EVENT = typeof PromiseRejectionEvent == 'function';
+var UNHANDLED_REJECTION = 'unhandledrejection';
+var REJECTION_HANDLED = 'rejectionhandled';
+var PENDING = 0;
+var FULFILLED = 1;
+var REJECTED = 2;
+var HANDLED = 1;
+var UNHANDLED = 2;
+var Internal, OwnPromiseCapability, PromiseWrapper, nativeThen;
+
+var FORCED = isForced(PROMISE, function () {
+  var GLOBAL_CORE_JS_PROMISE = inspectSource(PromiseConstructor) !== String(PromiseConstructor);
+  if (!GLOBAL_CORE_JS_PROMISE) {
+    // V8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables
+    // https://bugs.chromium.org/p/chromium/issues/detail?id=830565
+    // We can't detect it synchronously, so just check versions
+    if (V8_VERSION === 66) return true;
+    // Unhandled rejections tracking support, NodeJS Promise without it fails @@species test
+    if (!IS_NODE && !NATIVE_REJECTION_EVENT) return true;
+  }
+  // We need Promise#finally in the pure version for preventing prototype pollution
+  if (IS_PURE && !PromiseConstructor.prototype['finally']) return true;
+  // We can't use @@species feature detection in V8 since it causes
+  // deoptimization and performance degradation
+  // https://github.com/zloirock/core-js/issues/679
+  if (V8_VERSION >= 51 && /native code/.test(PromiseConstructor)) return false;
+  // Detect correctness of subclassing with @@species support
+  var promise = PromiseConstructor.resolve(1);
+  var FakePromise = function (exec) {
+    exec(function () { /* empty */ }, function () { /* empty */ });
+  };
+  var constructor = promise.constructor = {};
+  constructor[SPECIES] = FakePromise;
+  return !(promise.then(function () { /* empty */ }) instanceof FakePromise);
+});
+
+var INCORRECT_ITERATION = FORCED || !checkCorrectnessOfIteration(function (iterable) {
+  PromiseConstructor.all(iterable)['catch'](function () { /* empty */ });
+});
+
+// helpers
+var isThenable = function (it) {
+  var then;
+  return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
+};
+
+var notify = function (state, isReject) {
+  if (state.notified) return;
+  state.notified = true;
+  var chain = state.reactions;
+  microtask(function () {
+    var value = state.value;
+    var ok = state.state == FULFILLED;
+    var index = 0;
+    // variable length - can't use forEach
+    while (chain.length > index) {
+      var reaction = chain[index++];
+      var handler = ok ? reaction.ok : reaction.fail;
+      var resolve = reaction.resolve;
+      var reject = reaction.reject;
+      var domain = reaction.domain;
+      var result, then, exited;
+      try {
+        if (handler) {
+          if (!ok) {
+            if (state.rejection === UNHANDLED) onHandleUnhandled(state);
+            state.rejection = HANDLED;
+          }
+          if (handler === true) result = value;
+          else {
+            if (domain) domain.enter();
+            result = handler(value); // can throw
+            if (domain) {
+              domain.exit();
+              exited = true;
+            }
+          }
+          if (result === reaction.promise) {
+            reject(TypeError('Promise-chain cycle'));
+          } else if (then = isThenable(result)) {
+            then.call(result, resolve, reject);
+          } else resolve(result);
+        } else reject(value);
+      } catch (error) {
+        if (domain && !exited) domain.exit();
+        reject(error);
+      }
+    }
+    state.reactions = [];
+    state.notified = false;
+    if (isReject && !state.rejection) onUnhandled(state);
+  });
+};
+
+var dispatchEvent = function (name, promise, reason) {
+  var event, handler;
+  if (DISPATCH_EVENT) {
+    event = document.createEvent('Event');
+    event.promise = promise;
+    event.reason = reason;
+    event.initEvent(name, false, true);
+    global.dispatchEvent(event);
+  } else event = { promise: promise, reason: reason };
+  if (!NATIVE_REJECTION_EVENT && (handler = global['on' + name])) handler(event);
+  else if (name === UNHANDLED_REJECTION) hostReportErrors('Unhandled promise rejection', reason);
+};
+
+var onUnhandled = function (state) {
+  task.call(global, function () {
+    var promise = state.facade;
+    var value = state.value;
+    var IS_UNHANDLED = isUnhandled(state);
+    var result;
+    if (IS_UNHANDLED) {
+      result = perform(function () {
+        if (IS_NODE) {
+          process.emit('unhandledRejection', value, promise);
+        } else dispatchEvent(UNHANDLED_REJECTION, promise, value);
+      });
+      // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should
+      state.rejection = IS_NODE || isUnhandled(state) ? UNHANDLED : HANDLED;
+      if (result.error) throw result.value;
+    }
+  });
+};
+
+var isUnhandled = function (state) {
+  return state.rejection !== HANDLED && !state.parent;
+};
+
+var onHandleUnhandled = function (state) {
+  task.call(global, function () {
+    var promise = state.facade;
+    if (IS_NODE) {
+      process.emit('rejectionHandled', promise);
+    } else dispatchEvent(REJECTION_HANDLED, promise, state.value);
+  });
+};
+
+var bind = function (fn, state, unwrap) {
+  return function (value) {
+    fn(state, value, unwrap);
+  };
+};
+
+var internalReject = function (state, value, unwrap) {
+  if (state.done) return;
+  state.done = true;
+  if (unwrap) state = unwrap;
+  state.value = value;
+  state.state = REJECTED;
+  notify(state, true);
+};
+
+var internalResolve = function (state, value, unwrap) {
+  if (state.done) return;
+  state.done = true;
+  if (unwrap) state = unwrap;
+  try {
+    if (state.facade === value) throw TypeError("Promise can't be resolved itself");
+    var then = isThenable(value);
+    if (then) {
+      microtask(function () {
+        var wrapper = { done: false };
+        try {
+          then.call(value,
+            bind(internalResolve, wrapper, state),
+            bind(internalReject, wrapper, state)
+          );
+        } catch (error) {
+          internalReject(wrapper, error, state);
+        }
+      });
+    } else {
+      state.value = value;
+      state.state = FULFILLED;
+      notify(state, false);
+    }
+  } catch (error) {
+    internalReject({ done: false }, error, state);
+  }
+};
+
+// constructor polyfill
+if (FORCED) {
+  // 25.4.3.1 Promise(executor)
+  PromiseConstructor = function Promise(executor) {
+    anInstance(this, PromiseConstructor, PROMISE);
+    aFunction(executor);
+    Internal.call(this);
+    var state = getInternalState(this);
+    try {
+      executor(bind(internalResolve, state), bind(internalReject, state));
+    } catch (error) {
+      internalReject(state, error);
+    }
+  };
+  // eslint-disable-next-line no-unused-vars
+  Internal = function Promise(executor) {
+    setInternalState(this, {
+      type: PROMISE,
+      done: false,
+      notified: false,
+      parent: false,
+      reactions: [],
+      rejection: false,
+      state: PENDING,
+      value: undefined
+    });
+  };
+  Internal.prototype = redefineAll(PromiseConstructor.prototype, {
+    // `Promise.prototype.then` method
+    // https://tc39.github.io/ecma262/#sec-promise.prototype.then
+    then: function then(onFulfilled, onRejected) {
+      var state = getInternalPromiseState(this);
+      var reaction = newPromiseCapability(speciesConstructor(this, PromiseConstructor));
+      reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
+      reaction.fail = typeof onRejected == 'function' && onRejected;
+      reaction.domain = IS_NODE ? process.domain : undefined;
+      state.parent = true;
+      state.reactions.push(reaction);
+      if (state.state != PENDING) notify(state, false);
+      return reaction.promise;
+    },
+    // `Promise.prototype.catch` method
+    // https://tc39.github.io/ecma262/#sec-promise.prototype.catch
+    'catch': function (onRejected) {
+      return this.then(undefined, onRejected);
+    }
+  });
+  OwnPromiseCapability = function () {
+    var promise = new Internal();
+    var state = getInternalState(promise);
+    this.promise = promise;
+    this.resolve = bind(internalResolve, state);
+    this.reject = bind(internalReject, state);
+  };
+  newPromiseCapabilityModule.f = newPromiseCapability = function (C) {
+    return C === PromiseConstructor || C === PromiseWrapper
+      ? new OwnPromiseCapability(C)
+      : newGenericPromiseCapability(C);
+  };
+
+  if (!IS_PURE && typeof NativePromise == 'function') {
+    nativeThen = NativePromise.prototype.then;
+
+    // wrap native Promise#then for native async functions
+    redefine(NativePromise.prototype, 'then', function then(onFulfilled, onRejected) {
+      var that = this;
+      return new PromiseConstructor(function (resolve, reject) {
+        nativeThen.call(that, resolve, reject);
+      }).then(onFulfilled, onRejected);
+    // https://github.com/zloirock/core-js/issues/640
+    }, { unsafe: true });
+
+    // wrap fetch result
+    if (typeof $fetch == 'function') $({ global: true, enumerable: true, forced: true }, {
+      // eslint-disable-next-line no-unused-vars
+      fetch: function fetch(input /* , init */) {
+        return promiseResolve(PromiseConstructor, $fetch.apply(global, arguments));
+      }
+    });
+  }
+}
+
+$({ global: true, wrap: true, forced: FORCED }, {
+  Promise: PromiseConstructor
+});
+
+setToStringTag(PromiseConstructor, PROMISE, false, true);
+setSpecies(PROMISE);
+
+PromiseWrapper = getBuiltIn(PROMISE);
+
+// statics
+$({ target: PROMISE, stat: true, forced: FORCED }, {
+  // `Promise.reject` method
+  // https://tc39.github.io/ecma262/#sec-promise.reject
+  reject: function reject(r) {
+    var capability = newPromiseCapability(this);
+    capability.reject.call(undefined, r);
+    return capability.promise;
+  }
+});
+
+$({ target: PROMISE, stat: true, forced: IS_PURE || FORCED }, {
+  // `Promise.resolve` method
+  // https://tc39.github.io/ecma262/#sec-promise.resolve
+  resolve: function resolve(x) {
+    return promiseResolve(IS_PURE && this === PromiseWrapper ? PromiseConstructor : this, x);
+  }
+});
+
+$({ target: PROMISE, stat: true, forced: INCORRECT_ITERATION }, {
+  // `Promise.all` method
+  // https://tc39.github.io/ecma262/#sec-promise.all
+  all: function all(iterable) {
+    var C = this;
+    var capability = newPromiseCapability(C);
+    var resolve = capability.resolve;
+    var reject = capability.reject;
+    var result = perform(function () {
+      var $promiseResolve = aFunction(C.resolve);
+      var values = [];
+      var counter = 0;
+      var remaining = 1;
+      iterate(iterable, function (promise) {
+        var index = counter++;
+        var alreadyCalled = false;
+        values.push(undefined);
+        remaining++;
+        $promiseResolve.call(C, promise).then(function (value) {
+          if (alreadyCalled) return;
+          alreadyCalled = true;
+          values[index] = value;
+          --remaining || resolve(values);
+        }, reject);
+      });
+      --remaining || resolve(values);
+    });
+    if (result.error) reject(result.value);
+    return capability.promise;
+  },
+  // `Promise.race` method
+  // https://tc39.github.io/ecma262/#sec-promise.race
+  race: function race(iterable) {
+    var C = this;
+    var capability = newPromiseCapability(C);
+    var reject = capability.reject;
+    var result = perform(function () {
+      var $promiseResolve = aFunction(C.resolve);
+      iterate(iterable, function (promise) {
+        $promiseResolve.call(C, promise).then(capability.resolve, reject);
+      });
+    });
+    if (result.error) reject(result.value);
+    return capability.promise;
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.apply.js b/node_modules/core-js/modules/es.reflect.apply.js
new file mode 100644
index 0000000..634222b
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.apply.js
@@ -0,0 +1,25 @@
+var $ = require('../internals/export');
+var getBuiltIn = require('../internals/get-built-in');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var fails = require('../internals/fails');
+
+var nativeApply = getBuiltIn('Reflect', 'apply');
+var functionApply = Function.apply;
+
+// MS Edge argumentsList argument is optional
+var OPTIONAL_ARGUMENTS_LIST = !fails(function () {
+  nativeApply(function () { /* empty */ });
+});
+
+// `Reflect.apply` method
+// https://tc39.github.io/ecma262/#sec-reflect.apply
+$({ target: 'Reflect', stat: true, forced: OPTIONAL_ARGUMENTS_LIST }, {
+  apply: function apply(target, thisArgument, argumentsList) {
+    aFunction(target);
+    anObject(argumentsList);
+    return nativeApply
+      ? nativeApply(target, thisArgument, argumentsList)
+      : functionApply.call(target, thisArgument, argumentsList);
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.construct.js b/node_modules/core-js/modules/es.reflect.construct.js
new file mode 100644
index 0000000..9e678dd
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.construct.js
@@ -0,0 +1,51 @@
+var $ = require('../internals/export');
+var getBuiltIn = require('../internals/get-built-in');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var isObject = require('../internals/is-object');
+var create = require('../internals/object-create');
+var bind = require('../internals/function-bind');
+var fails = require('../internals/fails');
+
+var nativeConstruct = getBuiltIn('Reflect', 'construct');
+
+// `Reflect.construct` method
+// https://tc39.github.io/ecma262/#sec-reflect.construct
+// MS Edge supports only 2 arguments and argumentsList argument is optional
+// FF Nightly sets third argument as `new.target`, but does not create `this` from it
+var NEW_TARGET_BUG = fails(function () {
+  function F() { /* empty */ }
+  return !(nativeConstruct(function () { /* empty */ }, [], F) instanceof F);
+});
+var ARGS_BUG = !fails(function () {
+  nativeConstruct(function () { /* empty */ });
+});
+var FORCED = NEW_TARGET_BUG || ARGS_BUG;
+
+$({ target: 'Reflect', stat: true, forced: FORCED, sham: FORCED }, {
+  construct: function construct(Target, args /* , newTarget */) {
+    aFunction(Target);
+    anObject(args);
+    var newTarget = arguments.length < 3 ? Target : aFunction(arguments[2]);
+    if (ARGS_BUG && !NEW_TARGET_BUG) return nativeConstruct(Target, args, newTarget);
+    if (Target == newTarget) {
+      // w/o altered newTarget, optimization for 0-4 arguments
+      switch (args.length) {
+        case 0: return new Target();
+        case 1: return new Target(args[0]);
+        case 2: return new Target(args[0], args[1]);
+        case 3: return new Target(args[0], args[1], args[2]);
+        case 4: return new Target(args[0], args[1], args[2], args[3]);
+      }
+      // w/o altered newTarget, lot of arguments case
+      var $args = [null];
+      $args.push.apply($args, args);
+      return new (bind.apply(Target, $args))();
+    }
+    // with altered newTarget, not support built-in constructors
+    var proto = newTarget.prototype;
+    var instance = create(isObject(proto) ? proto : Object.prototype);
+    var result = Function.apply.call(Target, instance, args);
+    return isObject(result) ? result : instance;
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.define-property.js b/node_modules/core-js/modules/es.reflect.define-property.js
new file mode 100644
index 0000000..44343f7
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.define-property.js
@@ -0,0 +1,28 @@
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var anObject = require('../internals/an-object');
+var toPrimitive = require('../internals/to-primitive');
+var definePropertyModule = require('../internals/object-define-property');
+var fails = require('../internals/fails');
+
+// MS Edge has broken Reflect.defineProperty - throwing instead of returning false
+var ERROR_INSTEAD_OF_FALSE = fails(function () {
+  // eslint-disable-next-line no-undef
+  Reflect.defineProperty(definePropertyModule.f({}, 1, { value: 1 }), 1, { value: 2 });
+});
+
+// `Reflect.defineProperty` method
+// https://tc39.github.io/ecma262/#sec-reflect.defineproperty
+$({ target: 'Reflect', stat: true, forced: ERROR_INSTEAD_OF_FALSE, sham: !DESCRIPTORS }, {
+  defineProperty: function defineProperty(target, propertyKey, attributes) {
+    anObject(target);
+    var key = toPrimitive(propertyKey, true);
+    anObject(attributes);
+    try {
+      definePropertyModule.f(target, key, attributes);
+      return true;
+    } catch (error) {
+      return false;
+    }
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.delete-property.js b/node_modules/core-js/modules/es.reflect.delete-property.js
new file mode 100644
index 0000000..8cfb32d
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.delete-property.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
+
+// `Reflect.deleteProperty` method
+// https://tc39.github.io/ecma262/#sec-reflect.deleteproperty
+$({ target: 'Reflect', stat: true }, {
+  deleteProperty: function deleteProperty(target, propertyKey) {
+    var descriptor = getOwnPropertyDescriptor(anObject(target), propertyKey);
+    return descriptor && !descriptor.configurable ? false : delete target[propertyKey];
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.get-own-property-descriptor.js b/node_modules/core-js/modules/es.reflect.get-own-property-descriptor.js
new file mode 100644
index 0000000..335aac4
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.get-own-property-descriptor.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var anObject = require('../internals/an-object');
+var getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');
+
+// `Reflect.getOwnPropertyDescriptor` method
+// https://tc39.github.io/ecma262/#sec-reflect.getownpropertydescriptor
+$({ target: 'Reflect', stat: true, sham: !DESCRIPTORS }, {
+  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, propertyKey) {
+    return getOwnPropertyDescriptorModule.f(anObject(target), propertyKey);
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.get-prototype-of.js b/node_modules/core-js/modules/es.reflect.get-prototype-of.js
new file mode 100644
index 0000000..9785949
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.get-prototype-of.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var objectGetPrototypeOf = require('../internals/object-get-prototype-of');
+var CORRECT_PROTOTYPE_GETTER = require('../internals/correct-prototype-getter');
+
+// `Reflect.getPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-reflect.getprototypeof
+$({ target: 'Reflect', stat: true, sham: !CORRECT_PROTOTYPE_GETTER }, {
+  getPrototypeOf: function getPrototypeOf(target) {
+    return objectGetPrototypeOf(anObject(target));
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.get.js b/node_modules/core-js/modules/es.reflect.get.js
new file mode 100644
index 0000000..10e7962
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.get.js
@@ -0,0 +1,24 @@
+var $ = require('../internals/export');
+var isObject = require('../internals/is-object');
+var anObject = require('../internals/an-object');
+var has = require('../internals/has');
+var getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+
+// `Reflect.get` method
+// https://tc39.github.io/ecma262/#sec-reflect.get
+function get(target, propertyKey /* , receiver */) {
+  var receiver = arguments.length < 3 ? target : arguments[2];
+  var descriptor, prototype;
+  if (anObject(target) === receiver) return target[propertyKey];
+  if (descriptor = getOwnPropertyDescriptorModule.f(target, propertyKey)) return has(descriptor, 'value')
+    ? descriptor.value
+    : descriptor.get === undefined
+      ? undefined
+      : descriptor.get.call(receiver);
+  if (isObject(prototype = getPrototypeOf(target))) return get(prototype, propertyKey, receiver);
+}
+
+$({ target: 'Reflect', stat: true }, {
+  get: get
+});
diff --git a/node_modules/core-js/modules/es.reflect.has.js b/node_modules/core-js/modules/es.reflect.has.js
new file mode 100644
index 0000000..c6a8ced
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.has.js
@@ -0,0 +1,9 @@
+var $ = require('../internals/export');
+
+// `Reflect.has` method
+// https://tc39.github.io/ecma262/#sec-reflect.has
+$({ target: 'Reflect', stat: true }, {
+  has: function has(target, propertyKey) {
+    return propertyKey in target;
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.is-extensible.js b/node_modules/core-js/modules/es.reflect.is-extensible.js
new file mode 100644
index 0000000..876eae3
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.is-extensible.js
@@ -0,0 +1,13 @@
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+
+var objectIsExtensible = Object.isExtensible;
+
+// `Reflect.isExtensible` method
+// https://tc39.github.io/ecma262/#sec-reflect.isextensible
+$({ target: 'Reflect', stat: true }, {
+  isExtensible: function isExtensible(target) {
+    anObject(target);
+    return objectIsExtensible ? objectIsExtensible(target) : true;
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.own-keys.js b/node_modules/core-js/modules/es.reflect.own-keys.js
new file mode 100644
index 0000000..7a8f3f0
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.own-keys.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var ownKeys = require('../internals/own-keys');
+
+// `Reflect.ownKeys` method
+// https://tc39.github.io/ecma262/#sec-reflect.ownkeys
+$({ target: 'Reflect', stat: true }, {
+  ownKeys: ownKeys
+});
diff --git a/node_modules/core-js/modules/es.reflect.prevent-extensions.js b/node_modules/core-js/modules/es.reflect.prevent-extensions.js
new file mode 100644
index 0000000..92d0475
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.prevent-extensions.js
@@ -0,0 +1,19 @@
+var $ = require('../internals/export');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var FREEZING = require('../internals/freezing');
+
+// `Reflect.preventExtensions` method
+// https://tc39.github.io/ecma262/#sec-reflect.preventextensions
+$({ target: 'Reflect', stat: true, sham: !FREEZING }, {
+  preventExtensions: function preventExtensions(target) {
+    anObject(target);
+    try {
+      var objectPreventExtensions = getBuiltIn('Object', 'preventExtensions');
+      if (objectPreventExtensions) objectPreventExtensions(target);
+      return true;
+    } catch (error) {
+      return false;
+    }
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.set-prototype-of.js b/node_modules/core-js/modules/es.reflect.set-prototype-of.js
new file mode 100644
index 0000000..7900440
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.set-prototype-of.js
@@ -0,0 +1,19 @@
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var aPossiblePrototype = require('../internals/a-possible-prototype');
+var objectSetPrototypeOf = require('../internals/object-set-prototype-of');
+
+// `Reflect.setPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-reflect.setprototypeof
+if (objectSetPrototypeOf) $({ target: 'Reflect', stat: true }, {
+  setPrototypeOf: function setPrototypeOf(target, proto) {
+    anObject(target);
+    aPossiblePrototype(proto);
+    try {
+      objectSetPrototypeOf(target, proto);
+      return true;
+    } catch (error) {
+      return false;
+    }
+  }
+});
diff --git a/node_modules/core-js/modules/es.reflect.set.js b/node_modules/core-js/modules/es.reflect.set.js
new file mode 100644
index 0000000..9949bb3
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.set.js
@@ -0,0 +1,46 @@
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var isObject = require('../internals/is-object');
+var has = require('../internals/has');
+var fails = require('../internals/fails');
+var definePropertyModule = require('../internals/object-define-property');
+var getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+var createPropertyDescriptor = require('../internals/create-property-descriptor');
+
+// `Reflect.set` method
+// https://tc39.github.io/ecma262/#sec-reflect.set
+function set(target, propertyKey, V /* , receiver */) {
+  var receiver = arguments.length < 4 ? target : arguments[3];
+  var ownDescriptor = getOwnPropertyDescriptorModule.f(anObject(target), propertyKey);
+  var existingDescriptor, prototype;
+  if (!ownDescriptor) {
+    if (isObject(prototype = getPrototypeOf(target))) {
+      return set(prototype, propertyKey, V, receiver);
+    }
+    ownDescriptor = createPropertyDescriptor(0);
+  }
+  if (has(ownDescriptor, 'value')) {
+    if (ownDescriptor.writable === false || !isObject(receiver)) return false;
+    if (existingDescriptor = getOwnPropertyDescriptorModule.f(receiver, propertyKey)) {
+      if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) return false;
+      existingDescriptor.value = V;
+      definePropertyModule.f(receiver, propertyKey, existingDescriptor);
+    } else definePropertyModule.f(receiver, propertyKey, createPropertyDescriptor(0, V));
+    return true;
+  }
+  return ownDescriptor.set === undefined ? false : (ownDescriptor.set.call(receiver, V), true);
+}
+
+// MS Edge 17-18 Reflect.set allows setting the property to object
+// with non-writable property on the prototype
+var MS_EDGE_BUG = fails(function () {
+  var Constructor = function () { /* empty */ };
+  var object = definePropertyModule.f(new Constructor(), 'a', { configurable: true });
+  // eslint-disable-next-line no-undef
+  return Reflect.set(Constructor.prototype, 'a', 1, object) !== false;
+});
+
+$({ target: 'Reflect', stat: true, forced: MS_EDGE_BUG }, {
+  set: set
+});
diff --git a/node_modules/core-js/modules/es.reflect.to-string-tag.js b/node_modules/core-js/modules/es.reflect.to-string-tag.js
new file mode 100644
index 0000000..9d8b221
--- /dev/null
+++ b/node_modules/core-js/modules/es.reflect.to-string-tag.js
@@ -0,0 +1,9 @@
+var $ = require('../internals/export');
+var global = require('../internals/global');
+var setToStringTag = require('../internals/set-to-string-tag');
+
+$({ global: true }, { Reflect: {} });
+
+// Reflect[@@toStringTag] property
+// https://tc39.es/ecma262/#sec-reflect-@@tostringtag
+setToStringTag(global.Reflect, 'Reflect', true);
diff --git a/node_modules/core-js/modules/es.regexp.constructor.js b/node_modules/core-js/modules/es.regexp.constructor.js
new file mode 100644
index 0000000..25a3bd0
--- /dev/null
+++ b/node_modules/core-js/modules/es.regexp.constructor.js
@@ -0,0 +1,84 @@
+var DESCRIPTORS = require('../internals/descriptors');
+var global = require('../internals/global');
+var isForced = require('../internals/is-forced');
+var inheritIfRequired = require('../internals/inherit-if-required');
+var defineProperty = require('../internals/object-define-property').f;
+var getOwnPropertyNames = require('../internals/object-get-own-property-names').f;
+var isRegExp = require('../internals/is-regexp');
+var getFlags = require('../internals/regexp-flags');
+var stickyHelpers = require('../internals/regexp-sticky-helpers');
+var redefine = require('../internals/redefine');
+var fails = require('../internals/fails');
+var setInternalState = require('../internals/internal-state').set;
+var setSpecies = require('../internals/set-species');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var MATCH = wellKnownSymbol('match');
+var NativeRegExp = global.RegExp;
+var RegExpPrototype = NativeRegExp.prototype;
+var re1 = /a/g;
+var re2 = /a/g;
+
+// "new" should create a new object, old webkit bug
+var CORRECT_NEW = new NativeRegExp(re1) !== re1;
+
+var UNSUPPORTED_Y = stickyHelpers.UNSUPPORTED_Y;
+
+var FORCED = DESCRIPTORS && isForced('RegExp', (!CORRECT_NEW || UNSUPPORTED_Y || fails(function () {
+  re2[MATCH] = false;
+  // RegExp constructor can alter flags and IsRegExp works correct with @@match
+  return NativeRegExp(re1) != re1 || NativeRegExp(re2) == re2 || NativeRegExp(re1, 'i') != '/a/i';
+})));
+
+// `RegExp` constructor
+// https://tc39.github.io/ecma262/#sec-regexp-constructor
+if (FORCED) {
+  var RegExpWrapper = function RegExp(pattern, flags) {
+    var thisIsRegExp = this instanceof RegExpWrapper;
+    var patternIsRegExp = isRegExp(pattern);
+    var flagsAreUndefined = flags === undefined;
+    var sticky;
+
+    if (!thisIsRegExp && patternIsRegExp && pattern.constructor === RegExpWrapper && flagsAreUndefined) {
+      return pattern;
+    }
+
+    if (CORRECT_NEW) {
+      if (patternIsRegExp && !flagsAreUndefined) pattern = pattern.source;
+    } else if (pattern instanceof RegExpWrapper) {
+      if (flagsAreUndefined) flags = getFlags.call(pattern);
+      pattern = pattern.source;
+    }
+
+    if (UNSUPPORTED_Y) {
+      sticky = !!flags && flags.indexOf('y') > -1;
+      if (sticky) flags = flags.replace(/y/g, '');
+    }
+
+    var result = inheritIfRequired(
+      CORRECT_NEW ? new NativeRegExp(pattern, flags) : NativeRegExp(pattern, flags),
+      thisIsRegExp ? this : RegExpPrototype,
+      RegExpWrapper
+    );
+
+    if (UNSUPPORTED_Y && sticky) setInternalState(result, { sticky: sticky });
+
+    return result;
+  };
+  var proxy = function (key) {
+    key in RegExpWrapper || defineProperty(RegExpWrapper, key, {
+      configurable: true,
+      get: function () { return NativeRegExp[key]; },
+      set: function (it) { NativeRegExp[key] = it; }
+    });
+  };
+  var keys = getOwnPropertyNames(NativeRegExp);
+  var index = 0;
+  while (keys.length > index) proxy(keys[index++]);
+  RegExpPrototype.constructor = RegExpWrapper;
+  RegExpWrapper.prototype = RegExpPrototype;
+  redefine(global, 'RegExp', RegExpWrapper);
+}
+
+// https://tc39.github.io/ecma262/#sec-get-regexp-@@species
+setSpecies('RegExp');
diff --git a/node_modules/core-js/modules/es.regexp.exec.js b/node_modules/core-js/modules/es.regexp.exec.js
new file mode 100644
index 0000000..d47a89d
--- /dev/null
+++ b/node_modules/core-js/modules/es.regexp.exec.js
@@ -0,0 +1,7 @@
+'use strict';
+var $ = require('../internals/export');
+var exec = require('../internals/regexp-exec');
+
+$({ target: 'RegExp', proto: true, forced: /./.exec !== exec }, {
+  exec: exec
+});
diff --git a/node_modules/core-js/modules/es.regexp.flags.js b/node_modules/core-js/modules/es.regexp.flags.js
new file mode 100644
index 0000000..2ad5f26
--- /dev/null
+++ b/node_modules/core-js/modules/es.regexp.flags.js
@@ -0,0 +1,13 @@
+var DESCRIPTORS = require('../internals/descriptors');
+var objectDefinePropertyModule = require('../internals/object-define-property');
+var regExpFlags = require('../internals/regexp-flags');
+var UNSUPPORTED_Y = require('../internals/regexp-sticky-helpers').UNSUPPORTED_Y;
+
+// `RegExp.prototype.flags` getter
+// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
+if (DESCRIPTORS && (/./g.flags != 'g' || UNSUPPORTED_Y)) {
+  objectDefinePropertyModule.f(RegExp.prototype, 'flags', {
+    configurable: true,
+    get: regExpFlags
+  });
+}
diff --git a/node_modules/core-js/modules/es.regexp.sticky.js b/node_modules/core-js/modules/es.regexp.sticky.js
new file mode 100644
index 0000000..02da204
--- /dev/null
+++ b/node_modules/core-js/modules/es.regexp.sticky.js
@@ -0,0 +1,21 @@
+var DESCRIPTORS = require('../internals/descriptors');
+var UNSUPPORTED_Y = require('../internals/regexp-sticky-helpers').UNSUPPORTED_Y;
+var defineProperty = require('../internals/object-define-property').f;
+var getInternalState = require('../internals/internal-state').get;
+var RegExpPrototype = RegExp.prototype;
+
+// `RegExp.prototype.sticky` getter
+if (DESCRIPTORS && UNSUPPORTED_Y) {
+  defineProperty(RegExp.prototype, 'sticky', {
+    configurable: true,
+    get: function () {
+      if (this === RegExpPrototype) return undefined;
+      // We can't use InternalStateModule.getterFor because
+      // we don't add metadata for regexps created by a literal.
+      if (this instanceof RegExp) {
+        return !!getInternalState(this).sticky;
+      }
+      throw TypeError('Incompatible receiver, RegExp required');
+    }
+  });
+}
diff --git a/node_modules/core-js/modules/es.regexp.test.js b/node_modules/core-js/modules/es.regexp.test.js
new file mode 100644
index 0000000..b2a0df4
--- /dev/null
+++ b/node_modules/core-js/modules/es.regexp.test.js
@@ -0,0 +1,30 @@
+'use strict';
+// TODO: Remove from `core-js@4` since it's moved to entry points
+require('../modules/es.regexp.exec');
+var $ = require('../internals/export');
+var isObject = require('../internals/is-object');
+
+var DELEGATES_TO_EXEC = function () {
+  var execCalled = false;
+  var re = /[ac]/;
+  re.exec = function () {
+    execCalled = true;
+    return /./.exec.apply(this, arguments);
+  };
+  return re.test('abc') === true && execCalled;
+}();
+
+var nativeTest = /./.test;
+
+$({ target: 'RegExp', proto: true, forced: !DELEGATES_TO_EXEC }, {
+  test: function (str) {
+    if (typeof this.exec !== 'function') {
+      return nativeTest.call(this, str);
+    }
+    var result = this.exec(str);
+    if (result !== null && !isObject(result)) {
+      throw new Error('RegExp exec method returned something other than an Object or null');
+    }
+    return !!result;
+  }
+});
diff --git a/node_modules/core-js/modules/es.regexp.to-string.js b/node_modules/core-js/modules/es.regexp.to-string.js
new file mode 100644
index 0000000..b75a79a
--- /dev/null
+++ b/node_modules/core-js/modules/es.regexp.to-string.js
@@ -0,0 +1,25 @@
+'use strict';
+var redefine = require('../internals/redefine');
+var anObject = require('../internals/an-object');
+var fails = require('../internals/fails');
+var flags = require('../internals/regexp-flags');
+
+var TO_STRING = 'toString';
+var RegExpPrototype = RegExp.prototype;
+var nativeToString = RegExpPrototype[TO_STRING];
+
+var NOT_GENERIC = fails(function () { return nativeToString.call({ source: 'a', flags: 'b' }) != '/a/b'; });
+// FF44- RegExp#toString has a wrong name
+var INCORRECT_NAME = nativeToString.name != TO_STRING;
+
+// `RegExp.prototype.toString` method
+// https://tc39.github.io/ecma262/#sec-regexp.prototype.tostring
+if (NOT_GENERIC || INCORRECT_NAME) {
+  redefine(RegExp.prototype, TO_STRING, function toString() {
+    var R = anObject(this);
+    var p = String(R.source);
+    var rf = R.flags;
+    var f = String(rf === undefined && R instanceof RegExp && !('flags' in RegExpPrototype) ? flags.call(R) : rf);
+    return '/' + p + '/' + f;
+  }, { unsafe: true });
+}
diff --git a/node_modules/core-js/modules/es.set.js b/node_modules/core-js/modules/es.set.js
new file mode 100644
index 0000000..ac90041
--- /dev/null
+++ b/node_modules/core-js/modules/es.set.js
@@ -0,0 +1,9 @@
+'use strict';
+var collection = require('../internals/collection');
+var collectionStrong = require('../internals/collection-strong');
+
+// `Set` constructor
+// https://tc39.github.io/ecma262/#sec-set-objects
+module.exports = collection('Set', function (init) {
+  return function Set() { return init(this, arguments.length ? arguments[0] : undefined); };
+}, collectionStrong);
diff --git a/node_modules/core-js/modules/es.string.anchor.js b/node_modules/core-js/modules/es.string.anchor.js
new file mode 100644
index 0000000..004cc0a
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.anchor.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.anchor` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.anchor
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('anchor') }, {
+  anchor: function anchor(name) {
+    return createHTML(this, 'a', 'name', name);
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.big.js b/node_modules/core-js/modules/es.string.big.js
new file mode 100644
index 0000000..3273d00
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.big.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.big` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.big
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('big') }, {
+  big: function big() {
+    return createHTML(this, 'big', '', '');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.blink.js b/node_modules/core-js/modules/es.string.blink.js
new file mode 100644
index 0000000..9373820
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.blink.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.blink` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.blink
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('blink') }, {
+  blink: function blink() {
+    return createHTML(this, 'blink', '', '');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.bold.js b/node_modules/core-js/modules/es.string.bold.js
new file mode 100644
index 0000000..ea8c48c
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.bold.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.bold` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.bold
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('bold') }, {
+  bold: function bold() {
+    return createHTML(this, 'b', '', '');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.code-point-at.js b/node_modules/core-js/modules/es.string.code-point-at.js
new file mode 100644
index 0000000..26a2da2
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.code-point-at.js
@@ -0,0 +1,11 @@
+'use strict';
+var $ = require('../internals/export');
+var codeAt = require('../internals/string-multibyte').codeAt;
+
+// `String.prototype.codePointAt` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.codepointat
+$({ target: 'String', proto: true }, {
+  codePointAt: function codePointAt(pos) {
+    return codeAt(this, pos);
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.ends-with.js b/node_modules/core-js/modules/es.string.ends-with.js
new file mode 100644
index 0000000..e19b0f6
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.ends-with.js
@@ -0,0 +1,34 @@
+'use strict';
+var $ = require('../internals/export');
+var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
+var toLength = require('../internals/to-length');
+var notARegExp = require('../internals/not-a-regexp');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');
+var IS_PURE = require('../internals/is-pure');
+
+var nativeEndsWith = ''.endsWith;
+var min = Math.min;
+
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('endsWith');
+// https://github.com/zloirock/core-js/pull/702
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+  var descriptor = getOwnPropertyDescriptor(String.prototype, 'endsWith');
+  return descriptor && !descriptor.writable;
+}();
+
+// `String.prototype.endsWith` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.endswith
+$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {
+  endsWith: function endsWith(searchString /* , endPosition = @length */) {
+    var that = String(requireObjectCoercible(this));
+    notARegExp(searchString);
+    var endPosition = arguments.length > 1 ? arguments[1] : undefined;
+    var len = toLength(that.length);
+    var end = endPosition === undefined ? len : min(toLength(endPosition), len);
+    var search = String(searchString);
+    return nativeEndsWith
+      ? nativeEndsWith.call(that, search, end)
+      : that.slice(end - search.length, end) === search;
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.fixed.js b/node_modules/core-js/modules/es.string.fixed.js
new file mode 100644
index 0000000..13f8a04
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.fixed.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.fixed` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.fixed
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('fixed') }, {
+  fixed: function fixed() {
+    return createHTML(this, 'tt', '', '');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.fontcolor.js b/node_modules/core-js/modules/es.string.fontcolor.js
new file mode 100644
index 0000000..88636c2
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.fontcolor.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.fontcolor` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.fontcolor
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('fontcolor') }, {
+  fontcolor: function fontcolor(color) {
+    return createHTML(this, 'font', 'color', color);
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.fontsize.js b/node_modules/core-js/modules/es.string.fontsize.js
new file mode 100644
index 0000000..09c0715
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.fontsize.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.fontsize` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.fontsize
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('fontsize') }, {
+  fontsize: function fontsize(size) {
+    return createHTML(this, 'font', 'size', size);
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.from-code-point.js b/node_modules/core-js/modules/es.string.from-code-point.js
new file mode 100644
index 0000000..139ed89
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.from-code-point.js
@@ -0,0 +1,27 @@
+var $ = require('../internals/export');
+var toAbsoluteIndex = require('../internals/to-absolute-index');
+
+var fromCharCode = String.fromCharCode;
+var nativeFromCodePoint = String.fromCodePoint;
+
+// length should be 1, old FF problem
+var INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;
+
+// `String.fromCodePoint` method
+// https://tc39.github.io/ecma262/#sec-string.fromcodepoint
+$({ target: 'String', stat: true, forced: INCORRECT_LENGTH }, {
+  fromCodePoint: function fromCodePoint(x) { // eslint-disable-line no-unused-vars
+    var elements = [];
+    var length = arguments.length;
+    var i = 0;
+    var code;
+    while (length > i) {
+      code = +arguments[i++];
+      if (toAbsoluteIndex(code, 0x10FFFF) !== code) throw RangeError(code + ' is not a valid code point');
+      elements.push(code < 0x10000
+        ? fromCharCode(code)
+        : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00)
+      );
+    } return elements.join('');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.includes.js b/node_modules/core-js/modules/es.string.includes.js
new file mode 100644
index 0000000..25dbcd8
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.includes.js
@@ -0,0 +1,14 @@
+'use strict';
+var $ = require('../internals/export');
+var notARegExp = require('../internals/not-a-regexp');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');
+
+// `String.prototype.includes` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.includes
+$({ target: 'String', proto: true, forced: !correctIsRegExpLogic('includes') }, {
+  includes: function includes(searchString /* , position = 0 */) {
+    return !!~String(requireObjectCoercible(this))
+      .indexOf(notARegExp(searchString), arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.italics.js b/node_modules/core-js/modules/es.string.italics.js
new file mode 100644
index 0000000..76bf3e4
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.italics.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.italics` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.italics
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('italics') }, {
+  italics: function italics() {
+    return createHTML(this, 'i', '', '');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.iterator.js b/node_modules/core-js/modules/es.string.iterator.js
new file mode 100644
index 0000000..8a268e0
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.iterator.js
@@ -0,0 +1,29 @@
+'use strict';
+var charAt = require('../internals/string-multibyte').charAt;
+var InternalStateModule = require('../internals/internal-state');
+var defineIterator = require('../internals/define-iterator');
+
+var STRING_ITERATOR = 'String Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);
+
+// `String.prototype[@@iterator]` method
+// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator
+defineIterator(String, 'String', function (iterated) {
+  setInternalState(this, {
+    type: STRING_ITERATOR,
+    string: String(iterated),
+    index: 0
+  });
+// `%StringIteratorPrototype%.next` method
+// https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next
+}, function next() {
+  var state = getInternalState(this);
+  var string = state.string;
+  var index = state.index;
+  var point;
+  if (index >= string.length) return { value: undefined, done: true };
+  point = charAt(string, index);
+  state.index += point.length;
+  return { value: point, done: false };
+});
diff --git a/node_modules/core-js/modules/es.string.link.js b/node_modules/core-js/modules/es.string.link.js
new file mode 100644
index 0000000..65f8232
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.link.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.link` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.link
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('link') }, {
+  link: function link(url) {
+    return createHTML(this, 'a', 'href', url);
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.match-all.js b/node_modules/core-js/modules/es.string.match-all.js
new file mode 100644
index 0000000..3fc36eb
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.match-all.js
@@ -0,0 +1,109 @@
+'use strict';
+var $ = require('../internals/export');
+var createIteratorConstructor = require('../internals/create-iterator-constructor');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var toLength = require('../internals/to-length');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var classof = require('../internals/classof-raw');
+var isRegExp = require('../internals/is-regexp');
+var getRegExpFlags = require('../internals/regexp-flags');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var fails = require('../internals/fails');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var speciesConstructor = require('../internals/species-constructor');
+var advanceStringIndex = require('../internals/advance-string-index');
+var InternalStateModule = require('../internals/internal-state');
+var IS_PURE = require('../internals/is-pure');
+
+var MATCH_ALL = wellKnownSymbol('matchAll');
+var REGEXP_STRING = 'RegExp String';
+var REGEXP_STRING_ITERATOR = REGEXP_STRING + ' Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(REGEXP_STRING_ITERATOR);
+var RegExpPrototype = RegExp.prototype;
+var regExpBuiltinExec = RegExpPrototype.exec;
+var nativeMatchAll = ''.matchAll;
+
+var WORKS_WITH_NON_GLOBAL_REGEX = !!nativeMatchAll && !fails(function () {
+  'a'.matchAll(/./);
+});
+
+var regExpExec = function (R, S) {
+  var exec = R.exec;
+  var result;
+  if (typeof exec == 'function') {
+    result = exec.call(R, S);
+    if (typeof result != 'object') throw TypeError('Incorrect exec result');
+    return result;
+  } return regExpBuiltinExec.call(R, S);
+};
+
+// eslint-disable-next-line max-len
+var $RegExpStringIterator = createIteratorConstructor(function RegExpStringIterator(regexp, string, global, fullUnicode) {
+  setInternalState(this, {
+    type: REGEXP_STRING_ITERATOR,
+    regexp: regexp,
+    string: string,
+    global: global,
+    unicode: fullUnicode,
+    done: false
+  });
+}, REGEXP_STRING, function next() {
+  var state = getInternalState(this);
+  if (state.done) return { value: undefined, done: true };
+  var R = state.regexp;
+  var S = state.string;
+  var match = regExpExec(R, S);
+  if (match === null) return { value: undefined, done: state.done = true };
+  if (state.global) {
+    if (String(match[0]) == '') R.lastIndex = advanceStringIndex(S, toLength(R.lastIndex), state.unicode);
+    return { value: match, done: false };
+  }
+  state.done = true;
+  return { value: match, done: false };
+});
+
+var $matchAll = function (string) {
+  var R = anObject(this);
+  var S = String(string);
+  var C, flagsValue, flags, matcher, global, fullUnicode;
+  C = speciesConstructor(R, RegExp);
+  flagsValue = R.flags;
+  if (flagsValue === undefined && R instanceof RegExp && !('flags' in RegExpPrototype)) {
+    flagsValue = getRegExpFlags.call(R);
+  }
+  flags = flagsValue === undefined ? '' : String(flagsValue);
+  matcher = new C(C === RegExp ? R.source : R, flags);
+  global = !!~flags.indexOf('g');
+  fullUnicode = !!~flags.indexOf('u');
+  matcher.lastIndex = toLength(R.lastIndex);
+  return new $RegExpStringIterator(matcher, S, global, fullUnicode);
+};
+
+// `String.prototype.matchAll` method
+// https://github.com/tc39/proposal-string-matchall
+$({ target: 'String', proto: true, forced: WORKS_WITH_NON_GLOBAL_REGEX }, {
+  matchAll: function matchAll(regexp) {
+    var O = requireObjectCoercible(this);
+    var flags, S, matcher, rx;
+    if (regexp != null) {
+      if (isRegExp(regexp)) {
+        flags = String(requireObjectCoercible('flags' in RegExpPrototype
+          ? regexp.flags
+          : getRegExpFlags.call(regexp)
+        ));
+        if (!~flags.indexOf('g')) throw TypeError('`.matchAll` does not allow non-global regexes');
+      }
+      if (WORKS_WITH_NON_GLOBAL_REGEX) return nativeMatchAll.apply(O, arguments);
+      matcher = regexp[MATCH_ALL];
+      if (matcher === undefined && IS_PURE && classof(regexp) == 'RegExp') matcher = $matchAll;
+      if (matcher != null) return aFunction(matcher).call(regexp, O);
+    } else if (WORKS_WITH_NON_GLOBAL_REGEX) return nativeMatchAll.apply(O, arguments);
+    S = String(O);
+    rx = new RegExp(regexp, 'g');
+    return IS_PURE ? $matchAll.call(rx, S) : rx[MATCH_ALL](S);
+  }
+});
+
+IS_PURE || MATCH_ALL in RegExpPrototype || createNonEnumerableProperty(RegExpPrototype, MATCH_ALL, $matchAll);
diff --git a/node_modules/core-js/modules/es.string.match.js b/node_modules/core-js/modules/es.string.match.js
new file mode 100644
index 0000000..b69a2a2
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.match.js
@@ -0,0 +1,44 @@
+'use strict';
+var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
+var anObject = require('../internals/an-object');
+var toLength = require('../internals/to-length');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var advanceStringIndex = require('../internals/advance-string-index');
+var regExpExec = require('../internals/regexp-exec-abstract');
+
+// @@match logic
+fixRegExpWellKnownSymbolLogic('match', 1, function (MATCH, nativeMatch, maybeCallNative) {
+  return [
+    // `String.prototype.match` method
+    // https://tc39.github.io/ecma262/#sec-string.prototype.match
+    function match(regexp) {
+      var O = requireObjectCoercible(this);
+      var matcher = regexp == undefined ? undefined : regexp[MATCH];
+      return matcher !== undefined ? matcher.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
+    },
+    // `RegExp.prototype[@@match]` method
+    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match
+    function (regexp) {
+      var res = maybeCallNative(nativeMatch, regexp, this);
+      if (res.done) return res.value;
+
+      var rx = anObject(regexp);
+      var S = String(this);
+
+      if (!rx.global) return regExpExec(rx, S);
+
+      var fullUnicode = rx.unicode;
+      rx.lastIndex = 0;
+      var A = [];
+      var n = 0;
+      var result;
+      while ((result = regExpExec(rx, S)) !== null) {
+        var matchStr = String(result[0]);
+        A[n] = matchStr;
+        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
+        n++;
+      }
+      return n === 0 ? null : A;
+    }
+  ];
+});
diff --git a/node_modules/core-js/modules/es.string.pad-end.js b/node_modules/core-js/modules/es.string.pad-end.js
new file mode 100644
index 0000000..9108024
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.pad-end.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var $padEnd = require('../internals/string-pad').end;
+var WEBKIT_BUG = require('../internals/string-pad-webkit-bug');
+
+// `String.prototype.padEnd` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.padend
+$({ target: 'String', proto: true, forced: WEBKIT_BUG }, {
+  padEnd: function padEnd(maxLength /* , fillString = ' ' */) {
+    return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.pad-start.js b/node_modules/core-js/modules/es.string.pad-start.js
new file mode 100644
index 0000000..69b788f
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.pad-start.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var $padStart = require('../internals/string-pad').start;
+var WEBKIT_BUG = require('../internals/string-pad-webkit-bug');
+
+// `String.prototype.padStart` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.padstart
+$({ target: 'String', proto: true, forced: WEBKIT_BUG }, {
+  padStart: function padStart(maxLength /* , fillString = ' ' */) {
+    return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.raw.js b/node_modules/core-js/modules/es.string.raw.js
new file mode 100644
index 0000000..beb0783
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.raw.js
@@ -0,0 +1,19 @@
+var $ = require('../internals/export');
+var toIndexedObject = require('../internals/to-indexed-object');
+var toLength = require('../internals/to-length');
+
+// `String.raw` method
+// https://tc39.github.io/ecma262/#sec-string.raw
+$({ target: 'String', stat: true }, {
+  raw: function raw(template) {
+    var rawTemplate = toIndexedObject(template.raw);
+    var literalSegments = toLength(rawTemplate.length);
+    var argumentsLength = arguments.length;
+    var elements = [];
+    var i = 0;
+    while (literalSegments > i) {
+      elements.push(String(rawTemplate[i++]));
+      if (i < argumentsLength) elements.push(String(arguments[i]));
+    } return elements.join('');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.repeat.js b/node_modules/core-js/modules/es.string.repeat.js
new file mode 100644
index 0000000..43890aa
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.repeat.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var repeat = require('../internals/string-repeat');
+
+// `String.prototype.repeat` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.repeat
+$({ target: 'String', proto: true }, {
+  repeat: repeat
+});
diff --git a/node_modules/core-js/modules/es.string.replace-all.js b/node_modules/core-js/modules/es.string.replace-all.js
new file mode 100644
index 0000000..22220ee
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.replace-all.js
@@ -0,0 +1,50 @@
+'use strict';
+var $ = require('../internals/export');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var isRegExp = require('../internals/is-regexp');
+var getRegExpFlags = require('../internals/regexp-flags');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var IS_PURE = require('../internals/is-pure');
+
+var REPLACE = wellKnownSymbol('replace');
+var RegExpPrototype = RegExp.prototype;
+
+// `String.prototype.replaceAll` method
+// https://github.com/tc39/proposal-string-replace-all
+$({ target: 'String', proto: true }, {
+  replaceAll: function replaceAll(searchValue, replaceValue) {
+    var O = requireObjectCoercible(this);
+    var IS_REG_EXP, flags, replacer, string, searchString, template, result, position, index;
+    if (searchValue != null) {
+      IS_REG_EXP = isRegExp(searchValue);
+      if (IS_REG_EXP) {
+        flags = String(requireObjectCoercible('flags' in RegExpPrototype
+          ? searchValue.flags
+          : getRegExpFlags.call(searchValue)
+        ));
+        if (!~flags.indexOf('g')) throw TypeError('`.replaceAll` does not allow non-global regexes');
+      }
+      replacer = searchValue[REPLACE];
+      if (replacer !== undefined) {
+        return replacer.call(searchValue, O, replaceValue);
+      } else if (IS_PURE && IS_REG_EXP) {
+        return String(O).replace(searchValue, replaceValue);
+      }
+    }
+    string = String(O);
+    searchString = String(searchValue);
+    if (searchString === '') return replaceAll.call(string, /(?:)/g, replaceValue);
+    template = string.split(searchString);
+    if (typeof replaceValue !== 'function') {
+      return template.join(String(replaceValue));
+    }
+    result = template[0];
+    position = result.length;
+    for (index = 1; index < template.length; index++) {
+      result += String(replaceValue(searchString, position, string));
+      position += searchString.length + template[index].length;
+      result += template[index];
+    }
+    return result;
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.replace.js b/node_modules/core-js/modules/es.string.replace.js
new file mode 100644
index 0000000..b11e306
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.replace.js
@@ -0,0 +1,135 @@
+'use strict';
+var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
+var anObject = require('../internals/an-object');
+var toObject = require('../internals/to-object');
+var toLength = require('../internals/to-length');
+var toInteger = require('../internals/to-integer');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var advanceStringIndex = require('../internals/advance-string-index');
+var regExpExec = require('../internals/regexp-exec-abstract');
+
+var max = Math.max;
+var min = Math.min;
+var floor = Math.floor;
+var SUBSTITUTION_SYMBOLS = /\$([$&'`]|\d\d?|<[^>]*>)/g;
+var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&'`]|\d\d?)/g;
+
+var maybeToString = function (it) {
+  return it === undefined ? it : String(it);
+};
+
+// @@replace logic
+fixRegExpWellKnownSymbolLogic('replace', 2, function (REPLACE, nativeReplace, maybeCallNative, reason) {
+  var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = reason.REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE;
+  var REPLACE_KEEPS_$0 = reason.REPLACE_KEEPS_$0;
+  var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';
+
+  return [
+    // `String.prototype.replace` method
+    // https://tc39.github.io/ecma262/#sec-string.prototype.replace
+    function replace(searchValue, replaceValue) {
+      var O = requireObjectCoercible(this);
+      var replacer = searchValue == undefined ? undefined : searchValue[REPLACE];
+      return replacer !== undefined
+        ? replacer.call(searchValue, O, replaceValue)
+        : nativeReplace.call(String(O), searchValue, replaceValue);
+    },
+    // `RegExp.prototype[@@replace]` method
+    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace
+    function (regexp, replaceValue) {
+      if (
+        (!REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE && REPLACE_KEEPS_$0) ||
+        (typeof replaceValue === 'string' && replaceValue.indexOf(UNSAFE_SUBSTITUTE) === -1)
+      ) {
+        var res = maybeCallNative(nativeReplace, regexp, this, replaceValue);
+        if (res.done) return res.value;
+      }
+
+      var rx = anObject(regexp);
+      var S = String(this);
+
+      var functionalReplace = typeof replaceValue === 'function';
+      if (!functionalReplace) replaceValue = String(replaceValue);
+
+      var global = rx.global;
+      if (global) {
+        var fullUnicode = rx.unicode;
+        rx.lastIndex = 0;
+      }
+      var results = [];
+      while (true) {
+        var result = regExpExec(rx, S);
+        if (result === null) break;
+
+        results.push(result);
+        if (!global) break;
+
+        var matchStr = String(result[0]);
+        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
+      }
+
+      var accumulatedResult = '';
+      var nextSourcePosition = 0;
+      for (var i = 0; i < results.length; i++) {
+        result = results[i];
+
+        var matched = String(result[0]);
+        var position = max(min(toInteger(result.index), S.length), 0);
+        var captures = [];
+        // NOTE: This is equivalent to
+        //   captures = result.slice(1).map(maybeToString)
+        // but for some reason `nativeSlice.call(result, 1, result.length)` (called in
+        // the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
+        // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
+        for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
+        var namedCaptures = result.groups;
+        if (functionalReplace) {
+          var replacerArgs = [matched].concat(captures, position, S);
+          if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
+          var replacement = String(replaceValue.apply(undefined, replacerArgs));
+        } else {
+          replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
+        }
+        if (position >= nextSourcePosition) {
+          accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
+          nextSourcePosition = position + matched.length;
+        }
+      }
+      return accumulatedResult + S.slice(nextSourcePosition);
+    }
+  ];
+
+  // https://tc39.github.io/ecma262/#sec-getsubstitution
+  function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {
+    var tailPos = position + matched.length;
+    var m = captures.length;
+    var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
+    if (namedCaptures !== undefined) {
+      namedCaptures = toObject(namedCaptures);
+      symbols = SUBSTITUTION_SYMBOLS;
+    }
+    return nativeReplace.call(replacement, symbols, function (match, ch) {
+      var capture;
+      switch (ch.charAt(0)) {
+        case '$': return '$';
+        case '&': return matched;
+        case '`': return str.slice(0, position);
+        case "'": return str.slice(tailPos);
+        case '<':
+          capture = namedCaptures[ch.slice(1, -1)];
+          break;
+        default: // \d\d?
+          var n = +ch;
+          if (n === 0) return match;
+          if (n > m) {
+            var f = floor(n / 10);
+            if (f === 0) return match;
+            if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);
+            return match;
+          }
+          capture = captures[n - 1];
+      }
+      return capture === undefined ? '' : capture;
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.search.js b/node_modules/core-js/modules/es.string.search.js
new file mode 100644
index 0000000..8322e22
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.search.js
@@ -0,0 +1,34 @@
+'use strict';
+var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
+var anObject = require('../internals/an-object');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var sameValue = require('../internals/same-value');
+var regExpExec = require('../internals/regexp-exec-abstract');
+
+// @@search logic
+fixRegExpWellKnownSymbolLogic('search', 1, function (SEARCH, nativeSearch, maybeCallNative) {
+  return [
+    // `String.prototype.search` method
+    // https://tc39.github.io/ecma262/#sec-string.prototype.search
+    function search(regexp) {
+      var O = requireObjectCoercible(this);
+      var searcher = regexp == undefined ? undefined : regexp[SEARCH];
+      return searcher !== undefined ? searcher.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));
+    },
+    // `RegExp.prototype[@@search]` method
+    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@search
+    function (regexp) {
+      var res = maybeCallNative(nativeSearch, regexp, this);
+      if (res.done) return res.value;
+
+      var rx = anObject(regexp);
+      var S = String(this);
+
+      var previousLastIndex = rx.lastIndex;
+      if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;
+      var result = regExpExec(rx, S);
+      if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;
+      return result === null ? -1 : result.index;
+    }
+  ];
+});
diff --git a/node_modules/core-js/modules/es.string.small.js b/node_modules/core-js/modules/es.string.small.js
new file mode 100644
index 0000000..c8587d6
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.small.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.small` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.small
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('small') }, {
+  small: function small() {
+    return createHTML(this, 'small', '', '');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.split.js b/node_modules/core-js/modules/es.string.split.js
new file mode 100644
index 0000000..26743f5
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.split.js
@@ -0,0 +1,134 @@
+'use strict';
+var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
+var isRegExp = require('../internals/is-regexp');
+var anObject = require('../internals/an-object');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var speciesConstructor = require('../internals/species-constructor');
+var advanceStringIndex = require('../internals/advance-string-index');
+var toLength = require('../internals/to-length');
+var callRegExpExec = require('../internals/regexp-exec-abstract');
+var regexpExec = require('../internals/regexp-exec');
+var fails = require('../internals/fails');
+
+var arrayPush = [].push;
+var min = Math.min;
+var MAX_UINT32 = 0xFFFFFFFF;
+
+// babel-minify transpiles RegExp('x', 'y') -> /x/y and it causes SyntaxError
+var SUPPORTS_Y = !fails(function () { return !RegExp(MAX_UINT32, 'y'); });
+
+// @@split logic
+fixRegExpWellKnownSymbolLogic('split', 2, function (SPLIT, nativeSplit, maybeCallNative) {
+  var internalSplit;
+  if (
+    'abbc'.split(/(b)*/)[1] == 'c' ||
+    'test'.split(/(?:)/, -1).length != 4 ||
+    'ab'.split(/(?:ab)*/).length != 2 ||
+    '.'.split(/(.?)(.?)/).length != 4 ||
+    '.'.split(/()()/).length > 1 ||
+    ''.split(/.?/).length
+  ) {
+    // based on es5-shim implementation, need to rework it
+    internalSplit = function (separator, limit) {
+      var string = String(requireObjectCoercible(this));
+      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
+      if (lim === 0) return [];
+      if (separator === undefined) return [string];
+      // If `separator` is not a regex, use native split
+      if (!isRegExp(separator)) {
+        return nativeSplit.call(string, separator, lim);
+      }
+      var output = [];
+      var flags = (separator.ignoreCase ? 'i' : '') +
+                  (separator.multiline ? 'm' : '') +
+                  (separator.unicode ? 'u' : '') +
+                  (separator.sticky ? 'y' : '');
+      var lastLastIndex = 0;
+      // Make `global` and avoid `lastIndex` issues by working with a copy
+      var separatorCopy = new RegExp(separator.source, flags + 'g');
+      var match, lastIndex, lastLength;
+      while (match = regexpExec.call(separatorCopy, string)) {
+        lastIndex = separatorCopy.lastIndex;
+        if (lastIndex > lastLastIndex) {
+          output.push(string.slice(lastLastIndex, match.index));
+          if (match.length > 1 && match.index < string.length) arrayPush.apply(output, match.slice(1));
+          lastLength = match[0].length;
+          lastLastIndex = lastIndex;
+          if (output.length >= lim) break;
+        }
+        if (separatorCopy.lastIndex === match.index) separatorCopy.lastIndex++; // Avoid an infinite loop
+      }
+      if (lastLastIndex === string.length) {
+        if (lastLength || !separatorCopy.test('')) output.push('');
+      } else output.push(string.slice(lastLastIndex));
+      return output.length > lim ? output.slice(0, lim) : output;
+    };
+  // Chakra, V8
+  } else if ('0'.split(undefined, 0).length) {
+    internalSplit = function (separator, limit) {
+      return separator === undefined && limit === 0 ? [] : nativeSplit.call(this, separator, limit);
+    };
+  } else internalSplit = nativeSplit;
+
+  return [
+    // `String.prototype.split` method
+    // https://tc39.github.io/ecma262/#sec-string.prototype.split
+    function split(separator, limit) {
+      var O = requireObjectCoercible(this);
+      var splitter = separator == undefined ? undefined : separator[SPLIT];
+      return splitter !== undefined
+        ? splitter.call(separator, O, limit)
+        : internalSplit.call(String(O), separator, limit);
+    },
+    // `RegExp.prototype[@@split]` method
+    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@split
+    //
+    // NOTE: This cannot be properly polyfilled in engines that don't support
+    // the 'y' flag.
+    function (regexp, limit) {
+      var res = maybeCallNative(internalSplit, regexp, this, limit, internalSplit !== nativeSplit);
+      if (res.done) return res.value;
+
+      var rx = anObject(regexp);
+      var S = String(this);
+      var C = speciesConstructor(rx, RegExp);
+
+      var unicodeMatching = rx.unicode;
+      var flags = (rx.ignoreCase ? 'i' : '') +
+                  (rx.multiline ? 'm' : '') +
+                  (rx.unicode ? 'u' : '') +
+                  (SUPPORTS_Y ? 'y' : 'g');
+
+      // ^(? + rx + ) is needed, in combination with some S slicing, to
+      // simulate the 'y' flag.
+      var splitter = new C(SUPPORTS_Y ? rx : '^(?:' + rx.source + ')', flags);
+      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
+      if (lim === 0) return [];
+      if (S.length === 0) return callRegExpExec(splitter, S) === null ? [S] : [];
+      var p = 0;
+      var q = 0;
+      var A = [];
+      while (q < S.length) {
+        splitter.lastIndex = SUPPORTS_Y ? q : 0;
+        var z = callRegExpExec(splitter, SUPPORTS_Y ? S : S.slice(q));
+        var e;
+        if (
+          z === null ||
+          (e = min(toLength(splitter.lastIndex + (SUPPORTS_Y ? 0 : q)), S.length)) === p
+        ) {
+          q = advanceStringIndex(S, q, unicodeMatching);
+        } else {
+          A.push(S.slice(p, q));
+          if (A.length === lim) return A;
+          for (var i = 1; i <= z.length - 1; i++) {
+            A.push(z[i]);
+            if (A.length === lim) return A;
+          }
+          q = p = e;
+        }
+      }
+      A.push(S.slice(p));
+      return A;
+    }
+  ];
+}, !SUPPORTS_Y);
diff --git a/node_modules/core-js/modules/es.string.starts-with.js b/node_modules/core-js/modules/es.string.starts-with.js
new file mode 100644
index 0000000..e4fe655
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.starts-with.js
@@ -0,0 +1,32 @@
+'use strict';
+var $ = require('../internals/export');
+var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
+var toLength = require('../internals/to-length');
+var notARegExp = require('../internals/not-a-regexp');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');
+var IS_PURE = require('../internals/is-pure');
+
+var nativeStartsWith = ''.startsWith;
+var min = Math.min;
+
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');
+// https://github.com/zloirock/core-js/pull/702
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+  var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');
+  return descriptor && !descriptor.writable;
+}();
+
+// `String.prototype.startsWith` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.startswith
+$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {
+  startsWith: function startsWith(searchString /* , position = 0 */) {
+    var that = String(requireObjectCoercible(this));
+    notARegExp(searchString);
+    var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));
+    var search = String(searchString);
+    return nativeStartsWith
+      ? nativeStartsWith.call(that, search, index)
+      : that.slice(index, index + search.length) === search;
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.strike.js b/node_modules/core-js/modules/es.string.strike.js
new file mode 100644
index 0000000..4f0fa2e
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.strike.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.strike` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.strike
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('strike') }, {
+  strike: function strike() {
+    return createHTML(this, 'strike', '', '');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.sub.js b/node_modules/core-js/modules/es.string.sub.js
new file mode 100644
index 0000000..4b901d2
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.sub.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.sub` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.sub
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('sub') }, {
+  sub: function sub() {
+    return createHTML(this, 'sub', '', '');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.sup.js b/node_modules/core-js/modules/es.string.sup.js
new file mode 100644
index 0000000..3fc0b18
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.sup.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.sup` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.sup
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('sup') }, {
+  sup: function sup() {
+    return createHTML(this, 'sup', '', '');
+  }
+});
diff --git a/node_modules/core-js/modules/es.string.trim-end.js b/node_modules/core-js/modules/es.string.trim-end.js
new file mode 100644
index 0000000..4db829a
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.trim-end.js
@@ -0,0 +1,17 @@
+'use strict';
+var $ = require('../internals/export');
+var $trimEnd = require('../internals/string-trim').end;
+var forcedStringTrimMethod = require('../internals/string-trim-forced');
+
+var FORCED = forcedStringTrimMethod('trimEnd');
+
+var trimEnd = FORCED ? function trimEnd() {
+  return $trimEnd(this);
+} : ''.trimEnd;
+
+// `String.prototype.{ trimEnd, trimRight }` methods
+// https://github.com/tc39/ecmascript-string-left-right-trim
+$({ target: 'String', proto: true, forced: FORCED }, {
+  trimEnd: trimEnd,
+  trimRight: trimEnd
+});
diff --git a/node_modules/core-js/modules/es.string.trim-start.js b/node_modules/core-js/modules/es.string.trim-start.js
new file mode 100644
index 0000000..b4f6e43
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.trim-start.js
@@ -0,0 +1,17 @@
+'use strict';
+var $ = require('../internals/export');
+var $trimStart = require('../internals/string-trim').start;
+var forcedStringTrimMethod = require('../internals/string-trim-forced');
+
+var FORCED = forcedStringTrimMethod('trimStart');
+
+var trimStart = FORCED ? function trimStart() {
+  return $trimStart(this);
+} : ''.trimStart;
+
+// `String.prototype.{ trimStart, trimLeft }` methods
+// https://github.com/tc39/ecmascript-string-left-right-trim
+$({ target: 'String', proto: true, forced: FORCED }, {
+  trimStart: trimStart,
+  trimLeft: trimStart
+});
diff --git a/node_modules/core-js/modules/es.string.trim.js b/node_modules/core-js/modules/es.string.trim.js
new file mode 100644
index 0000000..124768f
--- /dev/null
+++ b/node_modules/core-js/modules/es.string.trim.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var $trim = require('../internals/string-trim').trim;
+var forcedStringTrimMethod = require('../internals/string-trim-forced');
+
+// `String.prototype.trim` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.trim
+$({ target: 'String', proto: true, forced: forcedStringTrimMethod('trim') }, {
+  trim: function trim() {
+    return $trim(this);
+  }
+});
diff --git a/node_modules/core-js/modules/es.symbol.async-iterator.js b/node_modules/core-js/modules/es.symbol.async-iterator.js
new file mode 100644
index 0000000..ecf7281
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.async-iterator.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.asyncIterator` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.asynciterator
+defineWellKnownSymbol('asyncIterator');
diff --git a/node_modules/core-js/modules/es.symbol.description.js b/node_modules/core-js/modules/es.symbol.description.js
new file mode 100644
index 0000000..ea67abf
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.description.js
@@ -0,0 +1,50 @@
+// `Symbol.prototype.description` getter
+// https://tc39.github.io/ecma262/#sec-symbol.prototype.description
+'use strict';
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var global = require('../internals/global');
+var has = require('../internals/has');
+var isObject = require('../internals/is-object');
+var defineProperty = require('../internals/object-define-property').f;
+var copyConstructorProperties = require('../internals/copy-constructor-properties');
+
+var NativeSymbol = global.Symbol;
+
+if (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) ||
+  // Safari 12 bug
+  NativeSymbol().description !== undefined
+)) {
+  var EmptyStringDescriptionStore = {};
+  // wrap Symbol constructor for correct work with undefined description
+  var SymbolWrapper = function Symbol() {
+    var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);
+    var result = this instanceof SymbolWrapper
+      ? new NativeSymbol(description)
+      // in Edge 13, String(Symbol(undefined)) === 'Symbol(undefined)'
+      : description === undefined ? NativeSymbol() : NativeSymbol(description);
+    if (description === '') EmptyStringDescriptionStore[result] = true;
+    return result;
+  };
+  copyConstructorProperties(SymbolWrapper, NativeSymbol);
+  var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;
+  symbolPrototype.constructor = SymbolWrapper;
+
+  var symbolToString = symbolPrototype.toString;
+  var native = String(NativeSymbol('test')) == 'Symbol(test)';
+  var regexp = /^Symbol\((.*)\)[^)]+$/;
+  defineProperty(symbolPrototype, 'description', {
+    configurable: true,
+    get: function description() {
+      var symbol = isObject(this) ? this.valueOf() : this;
+      var string = symbolToString.call(symbol);
+      if (has(EmptyStringDescriptionStore, symbol)) return '';
+      var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');
+      return desc === '' ? undefined : desc;
+    }
+  });
+
+  $({ global: true, forced: true }, {
+    Symbol: SymbolWrapper
+  });
+}
diff --git a/node_modules/core-js/modules/es.symbol.has-instance.js b/node_modules/core-js/modules/es.symbol.has-instance.js
new file mode 100644
index 0000000..2226ddb
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.has-instance.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.hasInstance` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.hasinstance
+defineWellKnownSymbol('hasInstance');
diff --git a/node_modules/core-js/modules/es.symbol.is-concat-spreadable.js b/node_modules/core-js/modules/es.symbol.is-concat-spreadable.js
new file mode 100644
index 0000000..d53771b
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.is-concat-spreadable.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.isConcatSpreadable` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.isconcatspreadable
+defineWellKnownSymbol('isConcatSpreadable');
diff --git a/node_modules/core-js/modules/es.symbol.iterator.js b/node_modules/core-js/modules/es.symbol.iterator.js
new file mode 100644
index 0000000..e43878d
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.iterator.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.iterator` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.iterator
+defineWellKnownSymbol('iterator');
diff --git a/node_modules/core-js/modules/es.symbol.js b/node_modules/core-js/modules/es.symbol.js
new file mode 100644
index 0000000..07f1ee9
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.js
@@ -0,0 +1,311 @@
+'use strict';
+var $ = require('../internals/export');
+var global = require('../internals/global');
+var getBuiltIn = require('../internals/get-built-in');
+var IS_PURE = require('../internals/is-pure');
+var DESCRIPTORS = require('../internals/descriptors');
+var NATIVE_SYMBOL = require('../internals/native-symbol');
+var USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');
+var fails = require('../internals/fails');
+var has = require('../internals/has');
+var isArray = require('../internals/is-array');
+var isObject = require('../internals/is-object');
+var anObject = require('../internals/an-object');
+var toObject = require('../internals/to-object');
+var toIndexedObject = require('../internals/to-indexed-object');
+var toPrimitive = require('../internals/to-primitive');
+var createPropertyDescriptor = require('../internals/create-property-descriptor');
+var nativeObjectCreate = require('../internals/object-create');
+var objectKeys = require('../internals/object-keys');
+var getOwnPropertyNamesModule = require('../internals/object-get-own-property-names');
+var getOwnPropertyNamesExternal = require('../internals/object-get-own-property-names-external');
+var getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');
+var getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');
+var definePropertyModule = require('../internals/object-define-property');
+var propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var redefine = require('../internals/redefine');
+var shared = require('../internals/shared');
+var sharedKey = require('../internals/shared-key');
+var hiddenKeys = require('../internals/hidden-keys');
+var uid = require('../internals/uid');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var wrappedWellKnownSymbolModule = require('../internals/well-known-symbol-wrapped');
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+var setToStringTag = require('../internals/set-to-string-tag');
+var InternalStateModule = require('../internals/internal-state');
+var $forEach = require('../internals/array-iteration').forEach;
+
+var HIDDEN = sharedKey('hidden');
+var SYMBOL = 'Symbol';
+var PROTOTYPE = 'prototype';
+var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(SYMBOL);
+var ObjectPrototype = Object[PROTOTYPE];
+var $Symbol = global.Symbol;
+var $stringify = getBuiltIn('JSON', 'stringify');
+var nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+var nativeDefineProperty = definePropertyModule.f;
+var nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;
+var nativePropertyIsEnumerable = propertyIsEnumerableModule.f;
+var AllSymbols = shared('symbols');
+var ObjectPrototypeSymbols = shared('op-symbols');
+var StringToSymbolRegistry = shared('string-to-symbol-registry');
+var SymbolToStringRegistry = shared('symbol-to-string-registry');
+var WellKnownSymbolsStore = shared('wks');
+var QObject = global.QObject;
+// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
+var USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;
+
+// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
+var setSymbolDescriptor = DESCRIPTORS && fails(function () {
+  return nativeObjectCreate(nativeDefineProperty({}, 'a', {
+    get: function () { return nativeDefineProperty(this, 'a', { value: 7 }).a; }
+  })).a != 7;
+}) ? function (O, P, Attributes) {
+  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, P);
+  if (ObjectPrototypeDescriptor) delete ObjectPrototype[P];
+  nativeDefineProperty(O, P, Attributes);
+  if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {
+    nativeDefineProperty(ObjectPrototype, P, ObjectPrototypeDescriptor);
+  }
+} : nativeDefineProperty;
+
+var wrap = function (tag, description) {
+  var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);
+  setInternalState(symbol, {
+    type: SYMBOL,
+    tag: tag,
+    description: description
+  });
+  if (!DESCRIPTORS) symbol.description = description;
+  return symbol;
+};
+
+var isSymbol = USE_SYMBOL_AS_UID ? function (it) {
+  return typeof it == 'symbol';
+} : function (it) {
+  return Object(it) instanceof $Symbol;
+};
+
+var $defineProperty = function defineProperty(O, P, Attributes) {
+  if (O === ObjectPrototype) $defineProperty(ObjectPrototypeSymbols, P, Attributes);
+  anObject(O);
+  var key = toPrimitive(P, true);
+  anObject(Attributes);
+  if (has(AllSymbols, key)) {
+    if (!Attributes.enumerable) {
+      if (!has(O, HIDDEN)) nativeDefineProperty(O, HIDDEN, createPropertyDescriptor(1, {}));
+      O[HIDDEN][key] = true;
+    } else {
+      if (has(O, HIDDEN) && O[HIDDEN][key]) O[HIDDEN][key] = false;
+      Attributes = nativeObjectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });
+    } return setSymbolDescriptor(O, key, Attributes);
+  } return nativeDefineProperty(O, key, Attributes);
+};
+
+var $defineProperties = function defineProperties(O, Properties) {
+  anObject(O);
+  var properties = toIndexedObject(Properties);
+  var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));
+  $forEach(keys, function (key) {
+    if (!DESCRIPTORS || $propertyIsEnumerable.call(properties, key)) $defineProperty(O, key, properties[key]);
+  });
+  return O;
+};
+
+var $create = function create(O, Properties) {
+  return Properties === undefined ? nativeObjectCreate(O) : $defineProperties(nativeObjectCreate(O), Properties);
+};
+
+var $propertyIsEnumerable = function propertyIsEnumerable(V) {
+  var P = toPrimitive(V, true);
+  var enumerable = nativePropertyIsEnumerable.call(this, P);
+  if (this === ObjectPrototype && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P)) return false;
+  return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;
+};
+
+var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {
+  var it = toIndexedObject(O);
+  var key = toPrimitive(P, true);
+  if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;
+  var descriptor = nativeGetOwnPropertyDescriptor(it, key);
+  if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {
+    descriptor.enumerable = true;
+  }
+  return descriptor;
+};
+
+var $getOwnPropertyNames = function getOwnPropertyNames(O) {
+  var names = nativeGetOwnPropertyNames(toIndexedObject(O));
+  var result = [];
+  $forEach(names, function (key) {
+    if (!has(AllSymbols, key) && !has(hiddenKeys, key)) result.push(key);
+  });
+  return result;
+};
+
+var $getOwnPropertySymbols = function getOwnPropertySymbols(O) {
+  var IS_OBJECT_PROTOTYPE = O === ObjectPrototype;
+  var names = nativeGetOwnPropertyNames(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
+  var result = [];
+  $forEach(names, function (key) {
+    if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, key))) {
+      result.push(AllSymbols[key]);
+    }
+  });
+  return result;
+};
+
+// `Symbol` constructor
+// https://tc39.github.io/ecma262/#sec-symbol-constructor
+if (!NATIVE_SYMBOL) {
+  $Symbol = function Symbol() {
+    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');
+    var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);
+    var tag = uid(description);
+    var setter = function (value) {
+      if (this === ObjectPrototype) setter.call(ObjectPrototypeSymbols, value);
+      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
+      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));
+    };
+    if (DESCRIPTORS && USE_SETTER) setSymbolDescriptor(ObjectPrototype, tag, { configurable: true, set: setter });
+    return wrap(tag, description);
+  };
+
+  redefine($Symbol[PROTOTYPE], 'toString', function toString() {
+    return getInternalState(this).tag;
+  });
+
+  redefine($Symbol, 'withoutSetter', function (description) {
+    return wrap(uid(description), description);
+  });
+
+  propertyIsEnumerableModule.f = $propertyIsEnumerable;
+  definePropertyModule.f = $defineProperty;
+  getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;
+  getOwnPropertyNamesModule.f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;
+  getOwnPropertySymbolsModule.f = $getOwnPropertySymbols;
+
+  wrappedWellKnownSymbolModule.f = function (name) {
+    return wrap(wellKnownSymbol(name), name);
+  };
+
+  if (DESCRIPTORS) {
+    // https://github.com/tc39/proposal-Symbol-description
+    nativeDefineProperty($Symbol[PROTOTYPE], 'description', {
+      configurable: true,
+      get: function description() {
+        return getInternalState(this).description;
+      }
+    });
+    if (!IS_PURE) {
+      redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });
+    }
+  }
+}
+
+$({ global: true, wrap: true, forced: !NATIVE_SYMBOL, sham: !NATIVE_SYMBOL }, {
+  Symbol: $Symbol
+});
+
+$forEach(objectKeys(WellKnownSymbolsStore), function (name) {
+  defineWellKnownSymbol(name);
+});
+
+$({ target: SYMBOL, stat: true, forced: !NATIVE_SYMBOL }, {
+  // `Symbol.for` method
+  // https://tc39.github.io/ecma262/#sec-symbol.for
+  'for': function (key) {
+    var string = String(key);
+    if (has(StringToSymbolRegistry, string)) return StringToSymbolRegistry[string];
+    var symbol = $Symbol(string);
+    StringToSymbolRegistry[string] = symbol;
+    SymbolToStringRegistry[symbol] = string;
+    return symbol;
+  },
+  // `Symbol.keyFor` method
+  // https://tc39.github.io/ecma262/#sec-symbol.keyfor
+  keyFor: function keyFor(sym) {
+    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');
+    if (has(SymbolToStringRegistry, sym)) return SymbolToStringRegistry[sym];
+  },
+  useSetter: function () { USE_SETTER = true; },
+  useSimple: function () { USE_SETTER = false; }
+});
+
+$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL, sham: !DESCRIPTORS }, {
+  // `Object.create` method
+  // https://tc39.github.io/ecma262/#sec-object.create
+  create: $create,
+  // `Object.defineProperty` method
+  // https://tc39.github.io/ecma262/#sec-object.defineproperty
+  defineProperty: $defineProperty,
+  // `Object.defineProperties` method
+  // https://tc39.github.io/ecma262/#sec-object.defineproperties
+  defineProperties: $defineProperties,
+  // `Object.getOwnPropertyDescriptor` method
+  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
+  getOwnPropertyDescriptor: $getOwnPropertyDescriptor
+});
+
+$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL }, {
+  // `Object.getOwnPropertyNames` method
+  // https://tc39.github.io/ecma262/#sec-object.getownpropertynames
+  getOwnPropertyNames: $getOwnPropertyNames,
+  // `Object.getOwnPropertySymbols` method
+  // https://tc39.github.io/ecma262/#sec-object.getownpropertysymbols
+  getOwnPropertySymbols: $getOwnPropertySymbols
+});
+
+// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives
+// https://bugs.chromium.org/p/v8/issues/detail?id=3443
+$({ target: 'Object', stat: true, forced: fails(function () { getOwnPropertySymbolsModule.f(1); }) }, {
+  getOwnPropertySymbols: function getOwnPropertySymbols(it) {
+    return getOwnPropertySymbolsModule.f(toObject(it));
+  }
+});
+
+// `JSON.stringify` method behavior with symbols
+// https://tc39.github.io/ecma262/#sec-json.stringify
+if ($stringify) {
+  var FORCED_JSON_STRINGIFY = !NATIVE_SYMBOL || fails(function () {
+    var symbol = $Symbol();
+    // MS Edge converts symbol values to JSON as {}
+    return $stringify([symbol]) != '[null]'
+      // WebKit converts symbol values to JSON as null
+      || $stringify({ a: symbol }) != '{}'
+      // V8 throws on boxed symbols
+      || $stringify(Object(symbol)) != '{}';
+  });
+
+  $({ target: 'JSON', stat: true, forced: FORCED_JSON_STRINGIFY }, {
+    // eslint-disable-next-line no-unused-vars
+    stringify: function stringify(it, replacer, space) {
+      var args = [it];
+      var index = 1;
+      var $replacer;
+      while (arguments.length > index) args.push(arguments[index++]);
+      $replacer = replacer;
+      if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
+      if (!isArray(replacer)) replacer = function (key, value) {
+        if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
+        if (!isSymbol(value)) return value;
+      };
+      args[1] = replacer;
+      return $stringify.apply(null, args);
+    }
+  });
+}
+
+// `Symbol.prototype[@@toPrimitive]` method
+// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@toprimitive
+if (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) {
+  createNonEnumerableProperty($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
+}
+// `Symbol.prototype[@@toStringTag]` property
+// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@tostringtag
+setToStringTag($Symbol, SYMBOL);
+
+hiddenKeys[HIDDEN] = true;
diff --git a/node_modules/core-js/modules/es.symbol.match-all.js b/node_modules/core-js/modules/es.symbol.match-all.js
new file mode 100644
index 0000000..b16c8be
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.match-all.js
@@ -0,0 +1,4 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.matchAll` well-known symbol
+defineWellKnownSymbol('matchAll');
diff --git a/node_modules/core-js/modules/es.symbol.match.js b/node_modules/core-js/modules/es.symbol.match.js
new file mode 100644
index 0000000..ec2fbdb
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.match.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.match` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.match
+defineWellKnownSymbol('match');
diff --git a/node_modules/core-js/modules/es.symbol.replace.js b/node_modules/core-js/modules/es.symbol.replace.js
new file mode 100644
index 0000000..d252d8d
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.replace.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.replace` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.replace
+defineWellKnownSymbol('replace');
diff --git a/node_modules/core-js/modules/es.symbol.search.js b/node_modules/core-js/modules/es.symbol.search.js
new file mode 100644
index 0000000..0c28e62
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.search.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.search` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.search
+defineWellKnownSymbol('search');
diff --git a/node_modules/core-js/modules/es.symbol.species.js b/node_modules/core-js/modules/es.symbol.species.js
new file mode 100644
index 0000000..8391f22
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.species.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.species` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.species
+defineWellKnownSymbol('species');
diff --git a/node_modules/core-js/modules/es.symbol.split.js b/node_modules/core-js/modules/es.symbol.split.js
new file mode 100644
index 0000000..5f76df4
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.split.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.split` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.split
+defineWellKnownSymbol('split');
diff --git a/node_modules/core-js/modules/es.symbol.to-primitive.js b/node_modules/core-js/modules/es.symbol.to-primitive.js
new file mode 100644
index 0000000..c297826
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.to-primitive.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.toPrimitive` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.toprimitive
+defineWellKnownSymbol('toPrimitive');
diff --git a/node_modules/core-js/modules/es.symbol.to-string-tag.js b/node_modules/core-js/modules/es.symbol.to-string-tag.js
new file mode 100644
index 0000000..8ddbfad
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.to-string-tag.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.toStringTag` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.tostringtag
+defineWellKnownSymbol('toStringTag');
diff --git a/node_modules/core-js/modules/es.symbol.unscopables.js b/node_modules/core-js/modules/es.symbol.unscopables.js
new file mode 100644
index 0000000..a9daa60
--- /dev/null
+++ b/node_modules/core-js/modules/es.symbol.unscopables.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.unscopables` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.unscopables
+defineWellKnownSymbol('unscopables');
diff --git a/node_modules/core-js/modules/es.typed-array.copy-within.js b/node_modules/core-js/modules/es.typed-array.copy-within.js
new file mode 100644
index 0000000..424a841
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.copy-within.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $copyWithin = require('../internals/array-copy-within');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.copyWithin` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.copywithin
+exportTypedArrayMethod('copyWithin', function copyWithin(target, start /* , end */) {
+  return $copyWithin.call(aTypedArray(this), target, start, arguments.length > 2 ? arguments[2] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.every.js b/node_modules/core-js/modules/es.typed-array.every.js
new file mode 100644
index 0000000..496aa60
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.every.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $every = require('../internals/array-iteration').every;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.every` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.every
+exportTypedArrayMethod('every', function every(callbackfn /* , thisArg */) {
+  return $every(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.fill.js b/node_modules/core-js/modules/es.typed-array.fill.js
new file mode 100644
index 0000000..e7dbadf
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.fill.js
@@ -0,0 +1,13 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $fill = require('../internals/array-fill');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.fill` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.fill
+// eslint-disable-next-line no-unused-vars
+exportTypedArrayMethod('fill', function fill(value /* , start, end */) {
+  return $fill.apply(aTypedArray(this), arguments);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.filter.js b/node_modules/core-js/modules/es.typed-array.filter.js
new file mode 100644
index 0000000..952575a
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.filter.js
@@ -0,0 +1,20 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $filter = require('../internals/array-iteration').filter;
+var speciesConstructor = require('../internals/species-constructor');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.filter` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.filter
+exportTypedArrayMethod('filter', function filter(callbackfn /* , thisArg */) {
+  var list = $filter(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  var C = speciesConstructor(this, this.constructor);
+  var index = 0;
+  var length = list.length;
+  var result = new (aTypedArrayConstructor(C))(length);
+  while (length > index) result[index] = list[index++];
+  return result;
+});
diff --git a/node_modules/core-js/modules/es.typed-array.find-index.js b/node_modules/core-js/modules/es.typed-array.find-index.js
new file mode 100644
index 0000000..ba74e17
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.find-index.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $findIndex = require('../internals/array-iteration').findIndex;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.findIndex` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.findindex
+exportTypedArrayMethod('findIndex', function findIndex(predicate /* , thisArg */) {
+  return $findIndex(aTypedArray(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.find.js b/node_modules/core-js/modules/es.typed-array.find.js
new file mode 100644
index 0000000..32b21d4
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.find.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $find = require('../internals/array-iteration').find;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.find` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.find
+exportTypedArrayMethod('find', function find(predicate /* , thisArg */) {
+  return $find(aTypedArray(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.float32-array.js b/node_modules/core-js/modules/es.typed-array.float32-array.js
new file mode 100644
index 0000000..8bc9ffe
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.float32-array.js
@@ -0,0 +1,9 @@
+var createTypedArrayConstructor = require('../internals/typed-array-constructor');
+
+// `Float32Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+createTypedArrayConstructor('Float32', function (init) {
+  return function Float32Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
diff --git a/node_modules/core-js/modules/es.typed-array.float64-array.js b/node_modules/core-js/modules/es.typed-array.float64-array.js
new file mode 100644
index 0000000..3c08be9
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.float64-array.js
@@ -0,0 +1,9 @@
+var createTypedArrayConstructor = require('../internals/typed-array-constructor');
+
+// `Float64Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+createTypedArrayConstructor('Float64', function (init) {
+  return function Float64Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
diff --git a/node_modules/core-js/modules/es.typed-array.for-each.js b/node_modules/core-js/modules/es.typed-array.for-each.js
new file mode 100644
index 0000000..d44e367
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.for-each.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $forEach = require('../internals/array-iteration').forEach;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.forEach` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.foreach
+exportTypedArrayMethod('forEach', function forEach(callbackfn /* , thisArg */) {
+  $forEach(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.from.js b/node_modules/core-js/modules/es.typed-array.from.js
new file mode 100644
index 0000000..8c21e15
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.from.js
@@ -0,0 +1,8 @@
+'use strict';
+var TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS = require('../internals/typed-array-constructors-require-wrappers');
+var exportTypedArrayStaticMethod = require('../internals/array-buffer-view-core').exportTypedArrayStaticMethod;
+var typedArrayFrom = require('../internals/typed-array-from');
+
+// `%TypedArray%.from` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.from
+exportTypedArrayStaticMethod('from', typedArrayFrom, TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS);
diff --git a/node_modules/core-js/modules/es.typed-array.includes.js b/node_modules/core-js/modules/es.typed-array.includes.js
new file mode 100644
index 0000000..eab133b
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.includes.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $includes = require('../internals/array-includes').includes;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.includes` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.includes
+exportTypedArrayMethod('includes', function includes(searchElement /* , fromIndex */) {
+  return $includes(aTypedArray(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.index-of.js b/node_modules/core-js/modules/es.typed-array.index-of.js
new file mode 100644
index 0000000..4341497
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.index-of.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $indexOf = require('../internals/array-includes').indexOf;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.indexOf` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.indexof
+exportTypedArrayMethod('indexOf', function indexOf(searchElement /* , fromIndex */) {
+  return $indexOf(aTypedArray(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.int16-array.js b/node_modules/core-js/modules/es.typed-array.int16-array.js
new file mode 100644
index 0000000..f10dfba
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.int16-array.js
@@ -0,0 +1,9 @@
+var createTypedArrayConstructor = require('../internals/typed-array-constructor');
+
+// `Int16Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+createTypedArrayConstructor('Int16', function (init) {
+  return function Int16Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
diff --git a/node_modules/core-js/modules/es.typed-array.int32-array.js b/node_modules/core-js/modules/es.typed-array.int32-array.js
new file mode 100644
index 0000000..49cde0e
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.int32-array.js
@@ -0,0 +1,9 @@
+var createTypedArrayConstructor = require('../internals/typed-array-constructor');
+
+// `Int32Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+createTypedArrayConstructor('Int32', function (init) {
+  return function Int32Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
diff --git a/node_modules/core-js/modules/es.typed-array.int8-array.js b/node_modules/core-js/modules/es.typed-array.int8-array.js
new file mode 100644
index 0000000..96def91
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.int8-array.js
@@ -0,0 +1,9 @@
+var createTypedArrayConstructor = require('../internals/typed-array-constructor');
+
+// `Int8Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+createTypedArrayConstructor('Int8', function (init) {
+  return function Int8Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
diff --git a/node_modules/core-js/modules/es.typed-array.iterator.js b/node_modules/core-js/modules/es.typed-array.iterator.js
new file mode 100644
index 0000000..fd7a179
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.iterator.js
@@ -0,0 +1,38 @@
+'use strict';
+var global = require('../internals/global');
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var ArrayIterators = require('../modules/es.array.iterator');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var ITERATOR = wellKnownSymbol('iterator');
+var Uint8Array = global.Uint8Array;
+var arrayValues = ArrayIterators.values;
+var arrayKeys = ArrayIterators.keys;
+var arrayEntries = ArrayIterators.entries;
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var nativeTypedArrayIterator = Uint8Array && Uint8Array.prototype[ITERATOR];
+
+var CORRECT_ITER_NAME = !!nativeTypedArrayIterator
+  && (nativeTypedArrayIterator.name == 'values' || nativeTypedArrayIterator.name == undefined);
+
+var typedArrayValues = function values() {
+  return arrayValues.call(aTypedArray(this));
+};
+
+// `%TypedArray%.prototype.entries` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.entries
+exportTypedArrayMethod('entries', function entries() {
+  return arrayEntries.call(aTypedArray(this));
+});
+// `%TypedArray%.prototype.keys` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.keys
+exportTypedArrayMethod('keys', function keys() {
+  return arrayKeys.call(aTypedArray(this));
+});
+// `%TypedArray%.prototype.values` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.values
+exportTypedArrayMethod('values', typedArrayValues, !CORRECT_ITER_NAME);
+// `%TypedArray%.prototype[@@iterator]` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype-@@iterator
+exportTypedArrayMethod(ITERATOR, typedArrayValues, !CORRECT_ITER_NAME);
diff --git a/node_modules/core-js/modules/es.typed-array.join.js b/node_modules/core-js/modules/es.typed-array.join.js
new file mode 100644
index 0000000..ef41339
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.join.js
@@ -0,0 +1,13 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $join = [].join;
+
+// `%TypedArray%.prototype.join` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.join
+// eslint-disable-next-line no-unused-vars
+exportTypedArrayMethod('join', function join(separator) {
+  return $join.apply(aTypedArray(this), arguments);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.last-index-of.js b/node_modules/core-js/modules/es.typed-array.last-index-of.js
new file mode 100644
index 0000000..7bb9973
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.last-index-of.js
@@ -0,0 +1,13 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $lastIndexOf = require('../internals/array-last-index-of');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.lastIndexOf` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.lastindexof
+// eslint-disable-next-line no-unused-vars
+exportTypedArrayMethod('lastIndexOf', function lastIndexOf(searchElement /* , fromIndex */) {
+  return $lastIndexOf.apply(aTypedArray(this), arguments);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.map.js b/node_modules/core-js/modules/es.typed-array.map.js
new file mode 100644
index 0000000..7432a6f
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.map.js
@@ -0,0 +1,16 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $map = require('../internals/array-iteration').map;
+var speciesConstructor = require('../internals/species-constructor');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.map` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.map
+exportTypedArrayMethod('map', function map(mapfn /* , thisArg */) {
+  return $map(aTypedArray(this), mapfn, arguments.length > 1 ? arguments[1] : undefined, function (O, length) {
+    return new (aTypedArrayConstructor(speciesConstructor(O, O.constructor)))(length);
+  });
+});
diff --git a/node_modules/core-js/modules/es.typed-array.of.js b/node_modules/core-js/modules/es.typed-array.of.js
new file mode 100644
index 0000000..8bad32b
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.of.js
@@ -0,0 +1,16 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS = require('../internals/typed-array-constructors-require-wrappers');
+
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayStaticMethod = ArrayBufferViewCore.exportTypedArrayStaticMethod;
+
+// `%TypedArray%.of` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.of
+exportTypedArrayStaticMethod('of', function of(/* ...items */) {
+  var index = 0;
+  var length = arguments.length;
+  var result = new (aTypedArrayConstructor(this))(length);
+  while (length > index) result[index] = arguments[index++];
+  return result;
+}, TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS);
diff --git a/node_modules/core-js/modules/es.typed-array.reduce-right.js b/node_modules/core-js/modules/es.typed-array.reduce-right.js
new file mode 100644
index 0000000..fe2278f
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.reduce-right.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $reduceRight = require('../internals/array-reduce').right;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.reduceRicht` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.reduceright
+exportTypedArrayMethod('reduceRight', function reduceRight(callbackfn /* , initialValue */) {
+  return $reduceRight(aTypedArray(this), callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.reduce.js b/node_modules/core-js/modules/es.typed-array.reduce.js
new file mode 100644
index 0000000..35c19a2
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.reduce.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $reduce = require('../internals/array-reduce').left;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.reduce` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.reduce
+exportTypedArrayMethod('reduce', function reduce(callbackfn /* , initialValue */) {
+  return $reduce(aTypedArray(this), callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.reverse.js b/node_modules/core-js/modules/es.typed-array.reverse.js
new file mode 100644
index 0000000..1d607f1
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.reverse.js
@@ -0,0 +1,21 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var floor = Math.floor;
+
+// `%TypedArray%.prototype.reverse` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.reverse
+exportTypedArrayMethod('reverse', function reverse() {
+  var that = this;
+  var length = aTypedArray(that).length;
+  var middle = floor(length / 2);
+  var index = 0;
+  var value;
+  while (index < middle) {
+    value = that[index];
+    that[index++] = that[--length];
+    that[length] = value;
+  } return that;
+});
diff --git a/node_modules/core-js/modules/es.typed-array.set.js b/node_modules/core-js/modules/es.typed-array.set.js
new file mode 100644
index 0000000..bc4516e
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.set.js
@@ -0,0 +1,27 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var toLength = require('../internals/to-length');
+var toOffset = require('../internals/to-offset');
+var toObject = require('../internals/to-object');
+var fails = require('../internals/fails');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+var FORCED = fails(function () {
+  // eslint-disable-next-line no-undef
+  new Int8Array(1).set({});
+});
+
+// `%TypedArray%.prototype.set` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.set
+exportTypedArrayMethod('set', function set(arrayLike /* , offset */) {
+  aTypedArray(this);
+  var offset = toOffset(arguments.length > 1 ? arguments[1] : undefined, 1);
+  var length = this.length;
+  var src = toObject(arrayLike);
+  var len = toLength(src.length);
+  var index = 0;
+  if (len + offset > length) throw RangeError('Wrong length');
+  while (index < len) this[offset + index] = src[index++];
+}, FORCED);
diff --git a/node_modules/core-js/modules/es.typed-array.slice.js b/node_modules/core-js/modules/es.typed-array.slice.js
new file mode 100644
index 0000000..d5b5ced
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.slice.js
@@ -0,0 +1,26 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var speciesConstructor = require('../internals/species-constructor');
+var fails = require('../internals/fails');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $slice = [].slice;
+
+var FORCED = fails(function () {
+  // eslint-disable-next-line no-undef
+  new Int8Array(1).slice();
+});
+
+// `%TypedArray%.prototype.slice` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.slice
+exportTypedArrayMethod('slice', function slice(start, end) {
+  var list = $slice.call(aTypedArray(this), start, end);
+  var C = speciesConstructor(this, this.constructor);
+  var index = 0;
+  var length = list.length;
+  var result = new (aTypedArrayConstructor(C))(length);
+  while (length > index) result[index] = list[index++];
+  return result;
+}, FORCED);
diff --git a/node_modules/core-js/modules/es.typed-array.some.js b/node_modules/core-js/modules/es.typed-array.some.js
new file mode 100644
index 0000000..37bb6e4
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.some.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $some = require('../internals/array-iteration').some;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.some` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.some
+exportTypedArrayMethod('some', function some(callbackfn /* , thisArg */) {
+  return $some(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.sort.js b/node_modules/core-js/modules/es.typed-array.sort.js
new file mode 100644
index 0000000..f23c8e2
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.sort.js
@@ -0,0 +1,12 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $sort = [].sort;
+
+// `%TypedArray%.prototype.sort` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.sort
+exportTypedArrayMethod('sort', function sort(comparefn) {
+  return $sort.call(aTypedArray(this), comparefn);
+});
diff --git a/node_modules/core-js/modules/es.typed-array.subarray.js b/node_modules/core-js/modules/es.typed-array.subarray.js
new file mode 100644
index 0000000..de96d51
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.subarray.js
@@ -0,0 +1,21 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var toLength = require('../internals/to-length');
+var toAbsoluteIndex = require('../internals/to-absolute-index');
+var speciesConstructor = require('../internals/species-constructor');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.subarray` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.subarray
+exportTypedArrayMethod('subarray', function subarray(begin, end) {
+  var O = aTypedArray(this);
+  var length = O.length;
+  var beginIndex = toAbsoluteIndex(begin, length);
+  return new (speciesConstructor(O, O.constructor))(
+    O.buffer,
+    O.byteOffset + beginIndex * O.BYTES_PER_ELEMENT,
+    toLength((end === undefined ? length : toAbsoluteIndex(end, length)) - beginIndex)
+  );
+});
diff --git a/node_modules/core-js/modules/es.typed-array.to-locale-string.js b/node_modules/core-js/modules/es.typed-array.to-locale-string.js
new file mode 100644
index 0000000..5009575
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.to-locale-string.js
@@ -0,0 +1,27 @@
+'use strict';
+var global = require('../internals/global');
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var fails = require('../internals/fails');
+
+var Int8Array = global.Int8Array;
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $toLocaleString = [].toLocaleString;
+var $slice = [].slice;
+
+// iOS Safari 6.x fails here
+var TO_LOCALE_STRING_BUG = !!Int8Array && fails(function () {
+  $toLocaleString.call(new Int8Array(1));
+});
+
+var FORCED = fails(function () {
+  return [1, 2].toLocaleString() != new Int8Array([1, 2]).toLocaleString();
+}) || !fails(function () {
+  Int8Array.prototype.toLocaleString.call([1, 2]);
+});
+
+// `%TypedArray%.prototype.toLocaleString` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.tolocalestring
+exportTypedArrayMethod('toLocaleString', function toLocaleString() {
+  return $toLocaleString.apply(TO_LOCALE_STRING_BUG ? $slice.call(aTypedArray(this)) : aTypedArray(this), arguments);
+}, FORCED);
diff --git a/node_modules/core-js/modules/es.typed-array.to-string.js b/node_modules/core-js/modules/es.typed-array.to-string.js
new file mode 100644
index 0000000..accca0b
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.to-string.js
@@ -0,0 +1,21 @@
+'use strict';
+var exportTypedArrayMethod = require('../internals/array-buffer-view-core').exportTypedArrayMethod;
+var fails = require('../internals/fails');
+var global = require('../internals/global');
+
+var Uint8Array = global.Uint8Array;
+var Uint8ArrayPrototype = Uint8Array && Uint8Array.prototype || {};
+var arrayToString = [].toString;
+var arrayJoin = [].join;
+
+if (fails(function () { arrayToString.call({}); })) {
+  arrayToString = function toString() {
+    return arrayJoin.call(this);
+  };
+}
+
+var IS_NOT_ARRAY_METHOD = Uint8ArrayPrototype.toString != arrayToString;
+
+// `%TypedArray%.prototype.toString` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.tostring
+exportTypedArrayMethod('toString', arrayToString, IS_NOT_ARRAY_METHOD);
diff --git a/node_modules/core-js/modules/es.typed-array.uint16-array.js b/node_modules/core-js/modules/es.typed-array.uint16-array.js
new file mode 100644
index 0000000..5eea7c2
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.uint16-array.js
@@ -0,0 +1,9 @@
+var createTypedArrayConstructor = require('../internals/typed-array-constructor');
+
+// `Uint16Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+createTypedArrayConstructor('Uint16', function (init) {
+  return function Uint16Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
diff --git a/node_modules/core-js/modules/es.typed-array.uint32-array.js b/node_modules/core-js/modules/es.typed-array.uint32-array.js
new file mode 100644
index 0000000..a0fc569
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.uint32-array.js
@@ -0,0 +1,9 @@
+var createTypedArrayConstructor = require('../internals/typed-array-constructor');
+
+// `Uint32Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+createTypedArrayConstructor('Uint32', function (init) {
+  return function Uint32Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
diff --git a/node_modules/core-js/modules/es.typed-array.uint8-array.js b/node_modules/core-js/modules/es.typed-array.uint8-array.js
new file mode 100644
index 0000000..c9e4287
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.uint8-array.js
@@ -0,0 +1,9 @@
+var createTypedArrayConstructor = require('../internals/typed-array-constructor');
+
+// `Uint8Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+createTypedArrayConstructor('Uint8', function (init) {
+  return function Uint8Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
diff --git a/node_modules/core-js/modules/es.typed-array.uint8-clamped-array.js b/node_modules/core-js/modules/es.typed-array.uint8-clamped-array.js
new file mode 100644
index 0000000..666a8f7
--- /dev/null
+++ b/node_modules/core-js/modules/es.typed-array.uint8-clamped-array.js
@@ -0,0 +1,9 @@
+var createTypedArrayConstructor = require('../internals/typed-array-constructor');
+
+// `Uint8ClampedArray` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+createTypedArrayConstructor('Uint8', function (init) {
+  return function Uint8ClampedArray(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+}, true);
diff --git a/node_modules/core-js/modules/es.weak-map.js b/node_modules/core-js/modules/es.weak-map.js
new file mode 100644
index 0000000..38f2f72
--- /dev/null
+++ b/node_modules/core-js/modules/es.weak-map.js
@@ -0,0 +1,67 @@
+'use strict';
+var global = require('../internals/global');
+var redefineAll = require('../internals/redefine-all');
+var InternalMetadataModule = require('../internals/internal-metadata');
+var collection = require('../internals/collection');
+var collectionWeak = require('../internals/collection-weak');
+var isObject = require('../internals/is-object');
+var enforceIternalState = require('../internals/internal-state').enforce;
+var NATIVE_WEAK_MAP = require('../internals/native-weak-map');
+
+var IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;
+var isExtensible = Object.isExtensible;
+var InternalWeakMap;
+
+var wrapper = function (init) {
+  return function WeakMap() {
+    return init(this, arguments.length ? arguments[0] : undefined);
+  };
+};
+
+// `WeakMap` constructor
+// https://tc39.github.io/ecma262/#sec-weakmap-constructor
+var $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak);
+
+// IE11 WeakMap frozen keys fix
+// We can't use feature detection because it crash some old IE builds
+// https://github.com/zloirock/core-js/issues/485
+if (NATIVE_WEAK_MAP && IS_IE11) {
+  InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);
+  InternalMetadataModule.REQUIRED = true;
+  var WeakMapPrototype = $WeakMap.prototype;
+  var nativeDelete = WeakMapPrototype['delete'];
+  var nativeHas = WeakMapPrototype.has;
+  var nativeGet = WeakMapPrototype.get;
+  var nativeSet = WeakMapPrototype.set;
+  redefineAll(WeakMapPrototype, {
+    'delete': function (key) {
+      if (isObject(key) && !isExtensible(key)) {
+        var state = enforceIternalState(this);
+        if (!state.frozen) state.frozen = new InternalWeakMap();
+        return nativeDelete.call(this, key) || state.frozen['delete'](key);
+      } return nativeDelete.call(this, key);
+    },
+    has: function has(key) {
+      if (isObject(key) && !isExtensible(key)) {
+        var state = enforceIternalState(this);
+        if (!state.frozen) state.frozen = new InternalWeakMap();
+        return nativeHas.call(this, key) || state.frozen.has(key);
+      } return nativeHas.call(this, key);
+    },
+    get: function get(key) {
+      if (isObject(key) && !isExtensible(key)) {
+        var state = enforceIternalState(this);
+        if (!state.frozen) state.frozen = new InternalWeakMap();
+        return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);
+      } return nativeGet.call(this, key);
+    },
+    set: function set(key, value) {
+      if (isObject(key) && !isExtensible(key)) {
+        var state = enforceIternalState(this);
+        if (!state.frozen) state.frozen = new InternalWeakMap();
+        nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);
+      } else nativeSet.call(this, key, value);
+      return this;
+    }
+  });
+}
diff --git a/node_modules/core-js/modules/es.weak-set.js b/node_modules/core-js/modules/es.weak-set.js
new file mode 100644
index 0000000..ef6b1bc
--- /dev/null
+++ b/node_modules/core-js/modules/es.weak-set.js
@@ -0,0 +1,9 @@
+'use strict';
+var collection = require('../internals/collection');
+var collectionWeak = require('../internals/collection-weak');
+
+// `WeakSet` constructor
+// https://tc39.github.io/ecma262/#sec-weakset-constructor
+collection('WeakSet', function (init) {
+  return function WeakSet() { return init(this, arguments.length ? arguments[0] : undefined); };
+}, collectionWeak);
diff --git a/node_modules/core-js/modules/esnext.aggregate-error.js b/node_modules/core-js/modules/esnext.aggregate-error.js
new file mode 100644
index 0000000..300036a
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.aggregate-error.js
@@ -0,0 +1,2 @@
+// TODO: Remove from `core-js@4`
+require('./es.aggregate-error');
diff --git a/node_modules/core-js/modules/esnext.array.at.js b/node_modules/core-js/modules/esnext.array.at.js
new file mode 100644
index 0000000..0342f85
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.array.at.js
@@ -0,0 +1,20 @@
+'use strict';
+var $ = require('../internals/export');
+var toObject = require('../internals/to-object');
+var toLength = require('../internals/to-length');
+var toInteger = require('../internals/to-integer');
+var addToUnscopables = require('../internals/add-to-unscopables');
+
+// `Array.prototype.at` method
+// https://github.com/tc39/proposal-relative-indexing-method
+$({ target: 'Array', proto: true }, {
+  at: function at(index) {
+    var O = toObject(this);
+    var len = toLength(O.length);
+    var relativeIndex = toInteger(index);
+    var k = relativeIndex >= 0 ? relativeIndex : len + relativeIndex;
+    return (k < 0 || k >= len) ? undefined : O[k];
+  }
+});
+
+addToUnscopables('at');
diff --git a/node_modules/core-js/modules/esnext.array.filter-out.js b/node_modules/core-js/modules/esnext.array.filter-out.js
new file mode 100644
index 0000000..87299ce
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.array.filter-out.js
@@ -0,0 +1,14 @@
+'use strict';
+var $ = require('../internals/export');
+var $filterOut = require('../internals/array-iteration').filterOut;
+var addToUnscopables = require('../internals/add-to-unscopables');
+
+// `Array.prototype.filterOut` method
+// https://github.com/tc39/proposal-array-filtering
+$({ target: 'Array', proto: true }, {
+  filterOut: function filterOut(callbackfn /* , thisArg */) {
+    return $filterOut(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+addToUnscopables('filterOut');
diff --git a/node_modules/core-js/modules/esnext.array.is-template-object.js b/node_modules/core-js/modules/esnext.array.is-template-object.js
new file mode 100644
index 0000000..a1d8428
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.array.is-template-object.js
@@ -0,0 +1,28 @@
+var $ = require('../internals/export');
+var isArray = require('../internals/is-array');
+
+var isFrozen = Object.isFrozen;
+
+var isFrozenStringArray = function (array, allowUndefined) {
+  if (!isFrozen || !isArray(array) || !isFrozen(array)) return false;
+  var index = 0;
+  var length = array.length;
+  var element;
+  while (index < length) {
+    element = array[index++];
+    if (!(typeof element === 'string' || (allowUndefined && typeof element === 'undefined'))) {
+      return false;
+    }
+  } return length !== 0;
+};
+
+// `Array.isTemplateObject` method
+// https://github.com/tc39/proposal-array-is-template-object
+$({ target: 'Array', stat: true }, {
+  isTemplateObject: function isTemplateObject(value) {
+    if (!isFrozenStringArray(value, true)) return false;
+    var raw = value.raw;
+    if (raw.length !== value.length || !isFrozenStringArray(raw, false)) return false;
+    return true;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.array.last-index.js b/node_modules/core-js/modules/esnext.array.last-index.js
new file mode 100644
index 0000000..60a2bc3
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.array.last-index.js
@@ -0,0 +1,21 @@
+'use strict';
+var DESCRIPTORS = require('../internals/descriptors');
+var addToUnscopables = require('../internals/add-to-unscopables');
+var toObject = require('../internals/to-object');
+var toLength = require('../internals/to-length');
+var defineProperty = require('../internals/object-define-property').f;
+
+// `Array.prototype.lastIndex` getter
+// https://github.com/keithamus/proposal-array-last
+if (DESCRIPTORS && !('lastIndex' in [])) {
+  defineProperty(Array.prototype, 'lastIndex', {
+    configurable: true,
+    get: function lastIndex() {
+      var O = toObject(this);
+      var len = toLength(O.length);
+      return len == 0 ? 0 : len - 1;
+    }
+  });
+
+  addToUnscopables('lastIndex');
+}
diff --git a/node_modules/core-js/modules/esnext.array.last-item.js b/node_modules/core-js/modules/esnext.array.last-item.js
new file mode 100644
index 0000000..7c638fe
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.array.last-item.js
@@ -0,0 +1,26 @@
+'use strict';
+var DESCRIPTORS = require('../internals/descriptors');
+var addToUnscopables = require('../internals/add-to-unscopables');
+var toObject = require('../internals/to-object');
+var toLength = require('../internals/to-length');
+var defineProperty = require('../internals/object-define-property').f;
+
+// `Array.prototype.lastIndex` accessor
+// https://github.com/keithamus/proposal-array-last
+if (DESCRIPTORS && !('lastItem' in [])) {
+  defineProperty(Array.prototype, 'lastItem', {
+    configurable: true,
+    get: function lastItem() {
+      var O = toObject(this);
+      var len = toLength(O.length);
+      return len == 0 ? undefined : O[len - 1];
+    },
+    set: function lastItem(value) {
+      var O = toObject(this);
+      var len = toLength(O.length);
+      return O[len == 0 ? 0 : len - 1] = value;
+    }
+  });
+
+  addToUnscopables('lastItem');
+}
diff --git a/node_modules/core-js/modules/esnext.array.unique-by.js b/node_modules/core-js/modules/esnext.array.unique-by.js
new file mode 100644
index 0000000..c7d1bf6
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.array.unique-by.js
@@ -0,0 +1,38 @@
+'use strict';
+var $ = require('../internals/export');
+var toLength = require('../internals/to-length');
+var toObject = require('../internals/to-object');
+var getBuiltIn = require('../internals/get-built-in');
+var arraySpeciesCreate = require('../internals/array-species-create');
+var addToUnscopables = require('../internals/add-to-unscopables');
+
+var push = [].push;
+
+// `Array.prototype.uniqueBy` method
+// https://github.com/tc39/proposal-array-unique
+$({ target: 'Array', proto: true }, {
+  uniqueBy: function uniqueBy(resolver) {
+    var that = toObject(this);
+    var length = toLength(that.length);
+    var result = arraySpeciesCreate(that, 0);
+    var Map = getBuiltIn('Map');
+    var map = new Map();
+    var resolverFunction, index, item, key;
+    if (typeof resolver == 'function') resolverFunction = resolver;
+    else if (resolver == null) resolverFunction = function (value) {
+      return value;
+    };
+    else throw new TypeError('Incorrect resolver!');
+    for (index = 0; index < length; index++) {
+      item = that[index];
+      key = resolverFunction(item);
+      if (!map.has(key)) map.set(key, item);
+    }
+    map.forEach(function (value) {
+      push.call(result, value);
+    });
+    return result;
+  }
+});
+
+addToUnscopables('uniqueBy');
diff --git a/node_modules/core-js/modules/esnext.async-iterator.as-indexed-pairs.js b/node_modules/core-js/modules/esnext.async-iterator.as-indexed-pairs.js
new file mode 100644
index 0000000..446deee
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.as-indexed-pairs.js
@@ -0,0 +1,27 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
+
+var AsyncIteratorProxy = createAsyncIteratorProxy(function (arg, Promise) {
+  var state = this;
+  var iterator = state.iterator;
+
+  return Promise.resolve(anObject(state.next.call(iterator, arg))).then(function (step) {
+    if (anObject(step).done) {
+      state.done = true;
+      return { done: true, value: undefined };
+    }
+    return { done: false, value: [state.index++, step.value] };
+  });
+});
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  asIndexedPairs: function asIndexedPairs() {
+    return new AsyncIteratorProxy({
+      iterator: anObject(this),
+      index: 0
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.constructor.js b/node_modules/core-js/modules/esnext.async-iterator.constructor.js
new file mode 100644
index 0000000..5a1d4ad
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.constructor.js
@@ -0,0 +1,29 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var anInstance = require('../internals/an-instance');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var has = require('../internals/has');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var AsyncIteratorPrototype = require('../internals/async-iterator-prototype');
+var IS_PURE = require('../internals/is-pure');
+
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+
+var AsyncIteratorConstructor = function AsyncIterator() {
+  anInstance(this, AsyncIteratorConstructor);
+};
+
+AsyncIteratorConstructor.prototype = AsyncIteratorPrototype;
+
+if (!has(AsyncIteratorPrototype, TO_STRING_TAG)) {
+  createNonEnumerableProperty(AsyncIteratorPrototype, TO_STRING_TAG, 'AsyncIterator');
+}
+
+if (!has(AsyncIteratorPrototype, 'constructor') || AsyncIteratorPrototype.constructor === Object) {
+  createNonEnumerableProperty(AsyncIteratorPrototype, 'constructor', AsyncIteratorConstructor);
+}
+
+$({ global: true, forced: IS_PURE }, {
+  AsyncIterator: AsyncIteratorConstructor
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.drop.js b/node_modules/core-js/modules/esnext.async-iterator.drop.js
new file mode 100644
index 0000000..fd2878b
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.drop.js
@@ -0,0 +1,41 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var toPositiveInteger = require('../internals/to-positive-integer');
+var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
+
+var AsyncIteratorProxy = createAsyncIteratorProxy(function (arg, Promise) {
+  var state = this;
+
+  return new Promise(function (resolve, reject) {
+    var loop = function () {
+      try {
+        Promise.resolve(
+          anObject(state.next.call(state.iterator, state.remaining ? undefined : arg))
+        ).then(function (step) {
+          try {
+            if (anObject(step).done) {
+              state.done = true;
+              resolve({ done: true, value: undefined });
+            } else if (state.remaining) {
+              state.remaining--;
+              loop();
+            } else resolve({ done: false, value: step.value });
+          } catch (err) { reject(err); }
+        }, reject);
+      } catch (error) { reject(error); }
+    };
+
+    loop();
+  });
+});
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  drop: function drop(limit) {
+    return new AsyncIteratorProxy({
+      iterator: anObject(this),
+      remaining: toPositiveInteger(limit)
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.every.js b/node_modules/core-js/modules/esnext.async-iterator.every.js
new file mode 100644
index 0000000..70c945d
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.every.js
@@ -0,0 +1,10 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var $every = require('../internals/async-iterator-iteration').every;
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  every: function every(fn) {
+    return $every(this, fn);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.filter.js b/node_modules/core-js/modules/esnext.async-iterator.filter.js
new file mode 100644
index 0000000..2ddbaba
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.filter.js
@@ -0,0 +1,42 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
+
+var AsyncIteratorProxy = createAsyncIteratorProxy(function (arg, Promise) {
+  var state = this;
+  var filterer = state.filterer;
+
+  return new Promise(function (resolve, reject) {
+    var loop = function () {
+      try {
+        Promise.resolve(anObject(state.next.call(state.iterator, arg))).then(function (step) {
+          try {
+            if (anObject(step).done) {
+              state.done = true;
+              resolve({ done: true, value: undefined });
+            } else {
+              var value = step.value;
+              Promise.resolve(filterer(value)).then(function (selected) {
+                selected ? resolve({ done: false, value: value }) : loop();
+              }, reject);
+            }
+          } catch (err) { reject(err); }
+        }, reject);
+      } catch (error) { reject(error); }
+    };
+
+    loop();
+  });
+});
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  filter: function filter(filterer) {
+    return new AsyncIteratorProxy({
+      iterator: anObject(this),
+      filterer: aFunction(filterer)
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.find.js b/node_modules/core-js/modules/esnext.async-iterator.find.js
new file mode 100644
index 0000000..0211e51
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.find.js
@@ -0,0 +1,10 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var $find = require('../internals/async-iterator-iteration').find;
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  find: function find(fn) {
+    return $find(this, fn);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.flat-map.js b/node_modules/core-js/modules/esnext.async-iterator.flat-map.js
new file mode 100644
index 0000000..0613368
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.flat-map.js
@@ -0,0 +1,67 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
+var getAsyncIteratorMethod = require('../internals/get-async-iterator-method');
+
+var AsyncIteratorProxy = createAsyncIteratorProxy(function (arg, Promise) {
+  var state = this;
+  var mapper = state.mapper;
+  var innerIterator, iteratorMethod;
+
+  return new Promise(function (resolve, reject) {
+    var outerLoop = function () {
+      try {
+        Promise.resolve(anObject(state.next.call(state.iterator, arg))).then(function (step) {
+          try {
+            if (anObject(step).done) {
+              state.done = true;
+              resolve({ done: true, value: undefined });
+            } else {
+              Promise.resolve(mapper(step.value)).then(function (mapped) {
+                try {
+                  iteratorMethod = getAsyncIteratorMethod(mapped);
+                  if (iteratorMethod !== undefined) {
+                    state.innerIterator = innerIterator = anObject(iteratorMethod.call(mapped));
+                    state.innerNext = aFunction(innerIterator.next);
+                    return innerLoop();
+                  } reject(TypeError('.flatMap callback should return an iterable object'));
+                } catch (error2) { reject(error2); }
+              }, reject);
+            }
+          } catch (error1) { reject(error1); }
+        }, reject);
+      } catch (error) { reject(error); }
+    };
+
+    var innerLoop = function () {
+      if (innerIterator = state.innerIterator) {
+        try {
+          Promise.resolve(anObject(state.innerNext.call(innerIterator))).then(function (result) {
+            try {
+              if (anObject(result).done) {
+                state.innerIterator = state.innerNext = null;
+                outerLoop();
+              } else resolve({ done: false, value: result.value });
+            } catch (error1) { reject(error1); }
+          }, reject);
+        } catch (error) { reject(error); }
+      } else outerLoop();
+    };
+
+    innerLoop();
+  });
+});
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  flatMap: function flatMap(mapper) {
+    return new AsyncIteratorProxy({
+      iterator: anObject(this),
+      mapper: aFunction(mapper),
+      innerIterator: null,
+      innerNext: null
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.for-each.js b/node_modules/core-js/modules/esnext.async-iterator.for-each.js
new file mode 100644
index 0000000..8dfbced
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.for-each.js
@@ -0,0 +1,10 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var $forEach = require('../internals/async-iterator-iteration').forEach;
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  forEach: function forEach(fn) {
+    return $forEach(this, fn);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.from.js b/node_modules/core-js/modules/esnext.async-iterator.from.js
new file mode 100644
index 0000000..e986a73
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.from.js
@@ -0,0 +1,30 @@
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var path = require('../internals/path');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var toObject = require('../internals/to-object');
+var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
+var getAsyncIteratorMethod = require('../internals/get-async-iterator-method');
+
+var AsyncIterator = path.AsyncIterator;
+
+var AsyncIteratorProxy = createAsyncIteratorProxy(function (arg) {
+  return anObject(this.next.call(this.iterator, arg));
+}, true);
+
+$({ target: 'AsyncIterator', stat: true }, {
+  from: function from(O) {
+    var object = toObject(O);
+    var usingIterator = getAsyncIteratorMethod(object);
+    var iterator;
+    if (usingIterator != null) {
+      iterator = aFunction(usingIterator).call(object);
+      if (iterator instanceof AsyncIterator) return iterator;
+    } else {
+      iterator = object;
+    } return new AsyncIteratorProxy({
+      iterator: iterator
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.map.js b/node_modules/core-js/modules/esnext.async-iterator.map.js
new file mode 100644
index 0000000..a5c2a8a
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.map.js
@@ -0,0 +1,30 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
+
+var AsyncIteratorProxy = createAsyncIteratorProxy(function (arg, Promise) {
+  var state = this;
+  var mapper = state.mapper;
+
+  return Promise.resolve(anObject(state.next.call(state.iterator, arg))).then(function (step) {
+    if (anObject(step).done) {
+      state.done = true;
+      return { done: true, value: undefined };
+    }
+    return Promise.resolve(mapper(step.value)).then(function (value) {
+      return { done: false, value: value };
+    });
+  });
+});
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  map: function map(mapper) {
+    return new AsyncIteratorProxy({
+      iterator: anObject(this),
+      mapper: aFunction(mapper)
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.reduce.js b/node_modules/core-js/modules/esnext.async-iterator.reduce.js
new file mode 100644
index 0000000..e5f7f9a
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.reduce.js
@@ -0,0 +1,46 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var getBuiltIn = require('../internals/get-built-in');
+
+var Promise = getBuiltIn('Promise');
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  reduce: function reduce(reducer /* , initialValue */) {
+    var iterator = anObject(this);
+    var next = aFunction(iterator.next);
+    var noInitial = arguments.length < 2;
+    var accumulator = noInitial ? undefined : arguments[1];
+    aFunction(reducer);
+
+    return new Promise(function (resolve, reject) {
+      var loop = function () {
+        try {
+          Promise.resolve(anObject(next.call(iterator))).then(function (step) {
+            try {
+              if (anObject(step).done) {
+                noInitial ? reject(TypeError('Reduce of empty iterator with no initial value')) : resolve(accumulator);
+              } else {
+                var value = step.value;
+                if (noInitial) {
+                  noInitial = false;
+                  accumulator = value;
+                  loop();
+                } else {
+                  Promise.resolve(reducer(accumulator, value)).then(function (result) {
+                    accumulator = result;
+                    loop();
+                  }, reject);
+                }
+              }
+            } catch (err) { reject(err); }
+          }, reject);
+        } catch (error) { reject(error); }
+      };
+
+      loop();
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.some.js b/node_modules/core-js/modules/esnext.async-iterator.some.js
new file mode 100644
index 0000000..13fc1ee
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.some.js
@@ -0,0 +1,10 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var $some = require('../internals/async-iterator-iteration').some;
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  some: function some(fn) {
+    return $some(this, fn);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.take.js b/node_modules/core-js/modules/esnext.async-iterator.take.js
new file mode 100644
index 0000000..436eaec
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.take.js
@@ -0,0 +1,31 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var toPositiveInteger = require('../internals/to-positive-integer');
+var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
+
+var AsyncIteratorProxy = createAsyncIteratorProxy(function (arg, Promise) {
+  var iterator = this.iterator;
+  var returnMethod, result;
+  if (!this.remaining--) {
+    result = { done: true, value: undefined };
+    this.done = true;
+    returnMethod = iterator['return'];
+    if (returnMethod !== undefined) {
+      return Promise.resolve(returnMethod.call(iterator)).then(function () {
+        return result;
+      });
+    }
+    return result;
+  } return this.next.call(iterator, arg);
+});
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  take: function take(limit) {
+    return new AsyncIteratorProxy({
+      iterator: anObject(this),
+      remaining: toPositiveInteger(limit)
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.async-iterator.to-array.js b/node_modules/core-js/modules/esnext.async-iterator.to-array.js
new file mode 100644
index 0000000..04e3e7f
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.to-array.js
@@ -0,0 +1,10 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var $toArray = require('../internals/async-iterator-iteration').toArray;
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  toArray: function toArray() {
+    return $toArray(this);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.bigint.range.js b/node_modules/core-js/modules/esnext.bigint.range.js
new file mode 100644
index 0000000..3ce603e
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.bigint.range.js
@@ -0,0 +1,14 @@
+'use strict';
+var $ = require('../internals/export');
+var RangeIterator = require('../internals/range-iterator');
+
+// `BigInt.range` method
+// https://github.com/tc39/proposal-Number.range
+if (typeof BigInt == 'function') {
+  $({ target: 'BigInt', stat: true }, {
+    range: function range(start, end, option) {
+      // eslint-disable-next-line no-undef
+      return new RangeIterator(start, end, option, 'bigint', BigInt(0), BigInt(1));
+    }
+  });
+}
diff --git a/node_modules/core-js/modules/esnext.composite-key.js b/node_modules/core-js/modules/esnext.composite-key.js
new file mode 100644
index 0000000..43bedae
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.composite-key.js
@@ -0,0 +1,16 @@
+var $ = require('../internals/export');
+var getCompositeKeyNode = require('../internals/composite-key');
+var getBuiltIn = require('../internals/get-built-in');
+var create = require('../internals/object-create');
+
+var initializer = function () {
+  var freeze = getBuiltIn('Object', 'freeze');
+  return freeze ? freeze(create(null)) : create(null);
+};
+
+// https://github.com/tc39/proposal-richer-keys/tree/master/compositeKey
+$({ global: true }, {
+  compositeKey: function compositeKey() {
+    return getCompositeKeyNode.apply(Object, arguments).get('object', initializer);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.composite-symbol.js b/node_modules/core-js/modules/esnext.composite-symbol.js
new file mode 100644
index 0000000..06d1b22
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.composite-symbol.js
@@ -0,0 +1,11 @@
+var $ = require('../internals/export');
+var getCompositeKeyNode = require('../internals/composite-key');
+var getBuiltIn = require('../internals/get-built-in');
+
+// https://github.com/tc39/proposal-richer-keys/tree/master/compositeKey
+$({ global: true }, {
+  compositeSymbol: function compositeSymbol() {
+    if (arguments.length === 1 && typeof arguments[0] === 'string') return getBuiltIn('Symbol')['for'](arguments[0]);
+    return getCompositeKeyNode.apply(null, arguments).get('symbol', getBuiltIn('Symbol'));
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.global-this.js b/node_modules/core-js/modules/esnext.global-this.js
new file mode 100644
index 0000000..c62786d
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.global-this.js
@@ -0,0 +1,2 @@
+// TODO: Remove from `core-js@4`
+require('./es.global-this');
diff --git a/node_modules/core-js/modules/esnext.iterator.as-indexed-pairs.js b/node_modules/core-js/modules/esnext.iterator.as-indexed-pairs.js
new file mode 100644
index 0000000..fb3bf85
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.as-indexed-pairs.js
@@ -0,0 +1,20 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var createIteratorProxy = require('../internals/iterator-create-proxy');
+
+var IteratorProxy = createIteratorProxy(function (arg) {
+  var result = anObject(this.next.call(this.iterator, arg));
+  var done = this.done = !!result.done;
+  if (!done) return [this.index++, result.value];
+});
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  asIndexedPairs: function asIndexedPairs() {
+    return new IteratorProxy({
+      iterator: anObject(this),
+      index: 0
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.constructor.js b/node_modules/core-js/modules/esnext.iterator.constructor.js
new file mode 100644
index 0000000..a481dff
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.constructor.js
@@ -0,0 +1,48 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var global = require('../internals/global');
+var anInstance = require('../internals/an-instance');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var fails = require('../internals/fails');
+var has = require('../internals/has');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var IteratorPrototype = require('../internals/iterators-core').IteratorPrototype;
+var IS_PURE = require('../internals/is-pure');
+
+var ITERATOR = wellKnownSymbol('iterator');
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+
+var NativeIterator = global.Iterator;
+
+// FF56- have non-standard global helper `Iterator`
+var FORCED = IS_PURE
+  || typeof NativeIterator != 'function'
+  || NativeIterator.prototype !== IteratorPrototype
+  // FF44- non-standard `Iterator` passes previous tests
+  || !fails(function () { NativeIterator({}); });
+
+var IteratorConstructor = function Iterator() {
+  anInstance(this, IteratorConstructor);
+};
+
+if (IS_PURE) {
+  IteratorPrototype = {};
+  createNonEnumerableProperty(IteratorPrototype, ITERATOR, function () {
+    return this;
+  });
+}
+
+if (!has(IteratorPrototype, TO_STRING_TAG)) {
+  createNonEnumerableProperty(IteratorPrototype, TO_STRING_TAG, 'Iterator');
+}
+
+if (FORCED || !has(IteratorPrototype, 'constructor') || IteratorPrototype.constructor === Object) {
+  createNonEnumerableProperty(IteratorPrototype, 'constructor', IteratorConstructor);
+}
+
+IteratorConstructor.prototype = IteratorPrototype;
+
+$({ global: true, forced: FORCED }, {
+  Iterator: IteratorConstructor
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.drop.js b/node_modules/core-js/modules/esnext.iterator.drop.js
new file mode 100644
index 0000000..62cc89d
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.drop.js
@@ -0,0 +1,30 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var toPositiveInteger = require('../internals/to-positive-integer');
+var createIteratorProxy = require('../internals/iterator-create-proxy');
+
+var IteratorProxy = createIteratorProxy(function (arg) {
+  var iterator = this.iterator;
+  var next = this.next;
+  var result, done;
+  while (this.remaining) {
+    this.remaining--;
+    result = anObject(next.call(iterator));
+    done = this.done = !!result.done;
+    if (done) return;
+  }
+  result = anObject(next.call(iterator, arg));
+  done = this.done = !!result.done;
+  if (!done) return result.value;
+});
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  drop: function drop(limit) {
+    return new IteratorProxy({
+      iterator: anObject(this),
+      remaining: toPositiveInteger(limit)
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.every.js b/node_modules/core-js/modules/esnext.iterator.every.js
new file mode 100644
index 0000000..6c1f894
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.every.js
@@ -0,0 +1,16 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  every: function every(fn) {
+    anObject(this);
+    aFunction(fn);
+    return !iterate(this, function (value, stop) {
+      if (!fn(value)) return stop();
+    }, { IS_ITERATOR: true, INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.filter.js b/node_modules/core-js/modules/esnext.iterator.filter.js
new file mode 100644
index 0000000..db45c9b
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.filter.js
@@ -0,0 +1,30 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var createIteratorProxy = require('../internals/iterator-create-proxy');
+var callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');
+
+var IteratorProxy = createIteratorProxy(function (arg) {
+  var iterator = this.iterator;
+  var filterer = this.filterer;
+  var next = this.next;
+  var result, done, value;
+  while (true) {
+    result = anObject(next.call(iterator, arg));
+    done = this.done = !!result.done;
+    if (done) return;
+    value = result.value;
+    if (callWithSafeIterationClosing(iterator, filterer, value)) return value;
+  }
+});
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  filter: function filter(filterer) {
+    return new IteratorProxy({
+      iterator: anObject(this),
+      filterer: aFunction(filterer)
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.find.js b/node_modules/core-js/modules/esnext.iterator.find.js
new file mode 100644
index 0000000..1d65ea4
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.find.js
@@ -0,0 +1,16 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  find: function find(fn) {
+    anObject(this);
+    aFunction(fn);
+    return iterate(this, function (value, stop) {
+      if (fn(value)) return stop(value);
+    }, { IS_ITERATOR: true, INTERRUPTED: true }).result;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.flat-map.js b/node_modules/core-js/modules/esnext.iterator.flat-map.js
new file mode 100644
index 0000000..38ffb3f
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.flat-map.js
@@ -0,0 +1,52 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var getIteratorMethod = require('../internals/get-iterator-method');
+var createIteratorProxy = require('../internals/iterator-create-proxy');
+var iteratorClose = require('../internals/iterator-close');
+
+var IteratorProxy = createIteratorProxy(function (arg) {
+  var iterator = this.iterator;
+  var mapper = this.mapper;
+  var result, mapped, iteratorMethod, innerIterator;
+
+  while (true) {
+    try {
+      if (innerIterator = this.innerIterator) {
+        result = anObject(this.innerNext.call(innerIterator));
+        if (!result.done) return result.value;
+        this.innerIterator = this.innerNext = null;
+      }
+
+      result = anObject(this.next.call(iterator, arg));
+
+      if (this.done = !!result.done) return;
+
+      mapped = mapper(result.value);
+      iteratorMethod = getIteratorMethod(mapped);
+
+      if (iteratorMethod === undefined) {
+        throw TypeError('.flatMap callback should return an iterable object');
+      }
+
+      this.innerIterator = innerIterator = anObject(iteratorMethod.call(mapped));
+      this.innerNext = aFunction(innerIterator.next);
+    } catch (error) {
+      iteratorClose(iterator);
+      throw error;
+    }
+  }
+});
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  flatMap: function flatMap(mapper) {
+    return new IteratorProxy({
+      iterator: anObject(this),
+      mapper: aFunction(mapper),
+      innerIterator: null,
+      innerNext: null
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.for-each.js b/node_modules/core-js/modules/esnext.iterator.for-each.js
new file mode 100644
index 0000000..0fa67dc
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.for-each.js
@@ -0,0 +1,11 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var anObject = require('../internals/an-object');
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  forEach: function forEach(fn) {
+    iterate(anObject(this), fn, { IS_ITERATOR: true });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.from.js b/node_modules/core-js/modules/esnext.iterator.from.js
new file mode 100644
index 0000000..10fa7f2
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.from.js
@@ -0,0 +1,32 @@
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var path = require('../internals/path');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var toObject = require('../internals/to-object');
+var createIteratorProxy = require('../internals/iterator-create-proxy');
+var getIteratorMethod = require('../internals/get-iterator-method');
+
+var Iterator = path.Iterator;
+
+var IteratorProxy = createIteratorProxy(function (arg) {
+  var result = anObject(this.next.call(this.iterator, arg));
+  var done = this.done = !!result.done;
+  if (!done) return result.value;
+}, true);
+
+$({ target: 'Iterator', stat: true }, {
+  from: function from(O) {
+    var object = toObject(O);
+    var usingIterator = getIteratorMethod(object);
+    var iterator;
+    if (usingIterator != null) {
+      iterator = aFunction(usingIterator).call(object);
+      if (iterator instanceof Iterator) return iterator;
+    } else {
+      iterator = object;
+    } return new IteratorProxy({
+      iterator: iterator
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.map.js b/node_modules/core-js/modules/esnext.iterator.map.js
new file mode 100644
index 0000000..054a7d1
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.map.js
@@ -0,0 +1,23 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var createIteratorProxy = require('../internals/iterator-create-proxy');
+var callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');
+
+var IteratorProxy = createIteratorProxy(function (arg) {
+  var iterator = this.iterator;
+  var result = anObject(this.next.call(iterator, arg));
+  var done = this.done = !!result.done;
+  if (!done) return callWithSafeIterationClosing(iterator, this.mapper, result.value);
+});
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  map: function map(mapper) {
+    return new IteratorProxy({
+      iterator: anObject(this),
+      mapper: aFunction(mapper)
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.reduce.js b/node_modules/core-js/modules/esnext.iterator.reduce.js
new file mode 100644
index 0000000..d9be4d5
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.reduce.js
@@ -0,0 +1,25 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  reduce: function reduce(reducer /* , initialValue */) {
+    anObject(this);
+    aFunction(reducer);
+    var noInitial = arguments.length < 2;
+    var accumulator = noInitial ? undefined : arguments[1];
+    iterate(this, function (value) {
+      if (noInitial) {
+        noInitial = false;
+        accumulator = value;
+      } else {
+        accumulator = reducer(accumulator, value);
+      }
+    }, { IS_ITERATOR: true });
+    if (noInitial) throw TypeError('Reduce of empty iterator with no initial value');
+    return accumulator;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.some.js b/node_modules/core-js/modules/esnext.iterator.some.js
new file mode 100644
index 0000000..147a016
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.some.js
@@ -0,0 +1,16 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  some: function some(fn) {
+    anObject(this);
+    aFunction(fn);
+    return iterate(this, function (value, stop) {
+      if (fn(value)) return stop();
+    }, { IS_ITERATOR: true, INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.take.js b/node_modules/core-js/modules/esnext.iterator.take.js
new file mode 100644
index 0000000..93e3604
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.take.js
@@ -0,0 +1,27 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var toPositiveInteger = require('../internals/to-positive-integer');
+var createIteratorProxy = require('../internals/iterator-create-proxy');
+var iteratorClose = require('../internals/iterator-close');
+
+var IteratorProxy = createIteratorProxy(function (arg) {
+  var iterator = this.iterator;
+  if (!this.remaining--) {
+    this.done = true;
+    return iteratorClose(iterator);
+  }
+  var result = anObject(this.next.call(iterator, arg));
+  var done = this.done = !!result.done;
+  if (!done) return result.value;
+});
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  take: function take(limit) {
+    return new IteratorProxy({
+      iterator: anObject(this),
+      remaining: toPositiveInteger(limit)
+    });
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.iterator.to-array.js b/node_modules/core-js/modules/esnext.iterator.to-array.js
new file mode 100644
index 0000000..471ea49
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.iterator.to-array.js
@@ -0,0 +1,15 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var anObject = require('../internals/an-object');
+
+var push = [].push;
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  toArray: function toArray() {
+    var result = [];
+    iterate(anObject(this), push, { that: result, IS_ITERATOR: true });
+    return result;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.delete-all.js b/node_modules/core-js/modules/esnext.map.delete-all.js
new file mode 100644
index 0000000..4554b47
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.delete-all.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var collectionDeleteAll = require('../internals/collection-delete-all');
+
+// `Map.prototype.deleteAll` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  deleteAll: function deleteAll(/* ...elements */) {
+    return collectionDeleteAll.apply(this, arguments);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.emplace.js b/node_modules/core-js/modules/esnext.map.emplace.js
new file mode 100644
index 0000000..621d0c6
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.emplace.js
@@ -0,0 +1,10 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var $emplace = require('../internals/map-emplace');
+
+// `Map.prototype.emplace` method
+// https://github.com/thumbsupep/proposal-upsert
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  emplace: $emplace
+});
diff --git a/node_modules/core-js/modules/esnext.map.every.js b/node_modules/core-js/modules/esnext.map.every.js
new file mode 100644
index 0000000..5a8f881
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.every.js
@@ -0,0 +1,20 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var bind = require('../internals/function-bind-context');
+var getMapIterator = require('../internals/get-map-iterator');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.every` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  every: function every(callbackfn /* , thisArg */) {
+    var map = anObject(this);
+    var iterator = getMapIterator(map);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    return !iterate(iterator, function (key, value, stop) {
+      if (!boundFunction(value, key, map)) return stop();
+    }, { AS_ENTRIES: true, IS_ITERATOR: true, INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.filter.js b/node_modules/core-js/modules/esnext.map.filter.js
new file mode 100644
index 0000000..3215729
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.filter.js
@@ -0,0 +1,26 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var bind = require('../internals/function-bind-context');
+var speciesConstructor = require('../internals/species-constructor');
+var getMapIterator = require('../internals/get-map-iterator');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.filter` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  filter: function filter(callbackfn /* , thisArg */) {
+    var map = anObject(this);
+    var iterator = getMapIterator(map);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var newMap = new (speciesConstructor(map, getBuiltIn('Map')))();
+    var setter = aFunction(newMap.set);
+    iterate(iterator, function (key, value) {
+      if (boundFunction(value, key, map)) setter.call(newMap, key, value);
+    }, { AS_ENTRIES: true, IS_ITERATOR: true });
+    return newMap;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.find-key.js b/node_modules/core-js/modules/esnext.map.find-key.js
new file mode 100644
index 0000000..d60e6ba
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.find-key.js
@@ -0,0 +1,20 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var bind = require('../internals/function-bind-context');
+var getMapIterator = require('../internals/get-map-iterator');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.findKey` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  findKey: function findKey(callbackfn /* , thisArg */) {
+    var map = anObject(this);
+    var iterator = getMapIterator(map);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    return iterate(iterator, function (key, value, stop) {
+      if (boundFunction(value, key, map)) return stop(key);
+    }, { AS_ENTRIES: true, IS_ITERATOR: true, INTERRUPTED: true }).result;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.find.js b/node_modules/core-js/modules/esnext.map.find.js
new file mode 100644
index 0000000..21a5495
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.find.js
@@ -0,0 +1,20 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var bind = require('../internals/function-bind-context');
+var getMapIterator = require('../internals/get-map-iterator');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.find` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  find: function find(callbackfn /* , thisArg */) {
+    var map = anObject(this);
+    var iterator = getMapIterator(map);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    return iterate(iterator, function (key, value, stop) {
+      if (boundFunction(value, key, map)) return stop(value);
+    }, { AS_ENTRIES: true, IS_ITERATOR: true, INTERRUPTED: true }).result;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.from.js b/node_modules/core-js/modules/esnext.map.from.js
new file mode 100644
index 0000000..9aa6aac
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.from.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var from = require('../internals/collection-from');
+
+// `Map.from` method
+// https://tc39.github.io/proposal-setmap-offrom/#sec-map.from
+$({ target: 'Map', stat: true }, {
+  from: from
+});
diff --git a/node_modules/core-js/modules/esnext.map.group-by.js b/node_modules/core-js/modules/esnext.map.group-by.js
new file mode 100644
index 0000000..a34c6a0
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.group-by.js
@@ -0,0 +1,22 @@
+'use strict';
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var aFunction = require('../internals/a-function');
+
+// `Map.groupBy` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', stat: true }, {
+  groupBy: function groupBy(iterable, keyDerivative) {
+    var newMap = new this();
+    aFunction(keyDerivative);
+    var has = aFunction(newMap.has);
+    var get = aFunction(newMap.get);
+    var set = aFunction(newMap.set);
+    iterate(iterable, function (element) {
+      var derivedKey = keyDerivative(element);
+      if (!has.call(newMap, derivedKey)) set.call(newMap, derivedKey, [element]);
+      else get.call(newMap, derivedKey).push(element);
+    });
+    return newMap;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.includes.js b/node_modules/core-js/modules/esnext.map.includes.js
new file mode 100644
index 0000000..cf088b8
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.includes.js
@@ -0,0 +1,17 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var getMapIterator = require('../internals/get-map-iterator');
+var sameValueZero = require('../internals/same-value-zero');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.includes` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  includes: function includes(searchElement) {
+    return iterate(getMapIterator(anObject(this)), function (key, value, stop) {
+      if (sameValueZero(value, searchElement)) return stop();
+    }, { AS_ENTRIES: true, IS_ITERATOR: true, INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.key-by.js b/node_modules/core-js/modules/esnext.map.key-by.js
new file mode 100644
index 0000000..0204bf2
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.key-by.js
@@ -0,0 +1,18 @@
+'use strict';
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var aFunction = require('../internals/a-function');
+
+// `Map.keyBy` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', stat: true }, {
+  keyBy: function keyBy(iterable, keyDerivative) {
+    var newMap = new this();
+    aFunction(keyDerivative);
+    var setter = aFunction(newMap.set);
+    iterate(iterable, function (element) {
+      setter.call(newMap, keyDerivative(element), element);
+    });
+    return newMap;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.key-of.js b/node_modules/core-js/modules/esnext.map.key-of.js
new file mode 100644
index 0000000..cd1bbf9
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.key-of.js
@@ -0,0 +1,16 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var getMapIterator = require('../internals/get-map-iterator');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.includes` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  keyOf: function keyOf(searchElement) {
+    return iterate(getMapIterator(anObject(this)), function (key, value, stop) {
+      if (value === searchElement) return stop(key);
+    }, { AS_ENTRIES: true, IS_ITERATOR: true, INTERRUPTED: true }).result;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.map-keys.js b/node_modules/core-js/modules/esnext.map.map-keys.js
new file mode 100644
index 0000000..430e5fe
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.map-keys.js
@@ -0,0 +1,26 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var bind = require('../internals/function-bind-context');
+var speciesConstructor = require('../internals/species-constructor');
+var getMapIterator = require('../internals/get-map-iterator');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.mapKeys` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  mapKeys: function mapKeys(callbackfn /* , thisArg */) {
+    var map = anObject(this);
+    var iterator = getMapIterator(map);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var newMap = new (speciesConstructor(map, getBuiltIn('Map')))();
+    var setter = aFunction(newMap.set);
+    iterate(iterator, function (key, value) {
+      setter.call(newMap, boundFunction(value, key, map), value);
+    }, { AS_ENTRIES: true, IS_ITERATOR: true });
+    return newMap;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.map-values.js b/node_modules/core-js/modules/esnext.map.map-values.js
new file mode 100644
index 0000000..c112a3f
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.map-values.js
@@ -0,0 +1,26 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var bind = require('../internals/function-bind-context');
+var speciesConstructor = require('../internals/species-constructor');
+var getMapIterator = require('../internals/get-map-iterator');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.mapValues` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  mapValues: function mapValues(callbackfn /* , thisArg */) {
+    var map = anObject(this);
+    var iterator = getMapIterator(map);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var newMap = new (speciesConstructor(map, getBuiltIn('Map')))();
+    var setter = aFunction(newMap.set);
+    iterate(iterator, function (key, value) {
+      setter.call(newMap, key, boundFunction(value, key, map));
+    }, { AS_ENTRIES: true, IS_ITERATOR: true });
+    return newMap;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.merge.js b/node_modules/core-js/modules/esnext.map.merge.js
new file mode 100644
index 0000000..859e45f
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.merge.js
@@ -0,0 +1,21 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.merge` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  // eslint-disable-next-line no-unused-vars
+  merge: function merge(iterable /* ...iterbles */) {
+    var map = anObject(this);
+    var setter = aFunction(map.set);
+    var i = 0;
+    while (i < arguments.length) {
+      iterate(arguments[i++], setter, { that: map, AS_ENTRIES: true });
+    }
+    return map;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.of.js b/node_modules/core-js/modules/esnext.map.of.js
new file mode 100644
index 0000000..4f84d89
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.of.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var of = require('../internals/collection-of');
+
+// `Map.of` method
+// https://tc39.github.io/proposal-setmap-offrom/#sec-map.of
+$({ target: 'Map', stat: true }, {
+  of: of
+});
diff --git a/node_modules/core-js/modules/esnext.map.reduce.js b/node_modules/core-js/modules/esnext.map.reduce.js
new file mode 100644
index 0000000..2b22fda
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.reduce.js
@@ -0,0 +1,29 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var getMapIterator = require('../internals/get-map-iterator');
+var iterate = require('../internals/iterate');
+
+// `Map.prototype.reduce` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  reduce: function reduce(callbackfn /* , initialValue */) {
+    var map = anObject(this);
+    var iterator = getMapIterator(map);
+    var noInitial = arguments.length < 2;
+    var accumulator = noInitial ? undefined : arguments[1];
+    aFunction(callbackfn);
+    iterate(iterator, function (key, value) {
+      if (noInitial) {
+        noInitial = false;
+        accumulator = value;
+      } else {
+        accumulator = callbackfn(accumulator, value, key, map);
+      }
+    }, { AS_ENTRIES: true, IS_ITERATOR: true });
+    if (noInitial) throw TypeError('Reduce of empty map with no initial value');
+    return accumulator;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.some.js b/node_modules/core-js/modules/esnext.map.some.js
new file mode 100644
index 0000000..077bb22
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.some.js
@@ -0,0 +1,20 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var bind = require('../internals/function-bind-context');
+var getMapIterator = require('../internals/get-map-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.some` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  some: function some(callbackfn /* , thisArg */) {
+    var map = anObject(this);
+    var iterator = getMapIterator(map);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    return iterate(iterator, function (key, value, stop) {
+      if (boundFunction(value, key, map)) return stop();
+    }, { AS_ENTRIES: true, IS_ITERATOR: true, INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.update-or-insert.js b/node_modules/core-js/modules/esnext.map.update-or-insert.js
new file mode 100644
index 0000000..a75f36a
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.update-or-insert.js
@@ -0,0 +1,11 @@
+'use strict';
+// TODO: remove from `core-js@4`
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var $upsert = require('../internals/map-upsert');
+
+// `Map.prototype.updateOrInsert` method (replaced by `Map.prototype.emplace`)
+// https://github.com/thumbsupep/proposal-upsert
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  updateOrInsert: $upsert
+});
diff --git a/node_modules/core-js/modules/esnext.map.update.js b/node_modules/core-js/modules/esnext.map.update.js
new file mode 100644
index 0000000..97358e8
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.update.js
@@ -0,0 +1,22 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+
+// `Set.prototype.update` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  update: function update(key, callback /* , thunk */) {
+    var map = anObject(this);
+    var length = arguments.length;
+    aFunction(callback);
+    var isPresentInMap = map.has(key);
+    if (!isPresentInMap && length < 3) {
+      throw TypeError('Updating absent value');
+    }
+    var value = isPresentInMap ? map.get(key) : aFunction(length > 2 ? arguments[2] : undefined)(key, map);
+    map.set(key, callback(value, key, map));
+    return map;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.map.upsert.js b/node_modules/core-js/modules/esnext.map.upsert.js
new file mode 100644
index 0000000..7dc458c
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.map.upsert.js
@@ -0,0 +1,11 @@
+'use strict';
+// TODO: remove from `core-js@4`
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var $upsert = require('../internals/map-upsert');
+
+// `Map.prototype.upsert` method (replaced by `Map.prototype.emplace`)
+// https://github.com/thumbsupep/proposal-upsert
+$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
+  upsert: $upsert
+});
diff --git a/node_modules/core-js/modules/esnext.math.clamp.js b/node_modules/core-js/modules/esnext.math.clamp.js
new file mode 100644
index 0000000..c69b122
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.clamp.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+
+var min = Math.min;
+var max = Math.max;
+
+// `Math.clamp` method
+// https://rwaldron.github.io/proposal-math-extensions/
+$({ target: 'Math', stat: true }, {
+  clamp: function clamp(x, lower, upper) {
+    return min(upper, max(lower, x));
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.math.deg-per-rad.js b/node_modules/core-js/modules/esnext.math.deg-per-rad.js
new file mode 100644
index 0000000..b1c09b8
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.deg-per-rad.js
@@ -0,0 +1,7 @@
+var $ = require('../internals/export');
+
+// `Math.DEG_PER_RAD` constant
+// https://rwaldron.github.io/proposal-math-extensions/
+$({ target: 'Math', stat: true }, {
+  DEG_PER_RAD: Math.PI / 180
+});
diff --git a/node_modules/core-js/modules/esnext.math.degrees.js b/node_modules/core-js/modules/esnext.math.degrees.js
new file mode 100644
index 0000000..e91de91
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.degrees.js
@@ -0,0 +1,11 @@
+var $ = require('../internals/export');
+
+var RAD_PER_DEG = 180 / Math.PI;
+
+// `Math.degrees` method
+// https://rwaldron.github.io/proposal-math-extensions/
+$({ target: 'Math', stat: true }, {
+  degrees: function degrees(radians) {
+    return radians * RAD_PER_DEG;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.math.fscale.js b/node_modules/core-js/modules/esnext.math.fscale.js
new file mode 100644
index 0000000..3db68ef
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.fscale.js
@@ -0,0 +1,12 @@
+var $ = require('../internals/export');
+
+var scale = require('../internals/math-scale');
+var fround = require('../internals/math-fround');
+
+// `Math.fscale` method
+// https://rwaldron.github.io/proposal-math-extensions/
+$({ target: 'Math', stat: true }, {
+  fscale: function fscale(x, inLow, inHigh, outLow, outHigh) {
+    return fround(scale(x, inLow, inHigh, outLow, outHigh));
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.math.iaddh.js b/node_modules/core-js/modules/esnext.math.iaddh.js
new file mode 100644
index 0000000..2323031
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.iaddh.js
@@ -0,0 +1,13 @@
+var $ = require('../internals/export');
+
+// `Math.iaddh` method
+// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
+// TODO: Remove from `core-js@4`
+$({ target: 'Math', stat: true }, {
+  iaddh: function iaddh(x0, x1, y0, y1) {
+    var $x0 = x0 >>> 0;
+    var $x1 = x1 >>> 0;
+    var $y0 = y0 >>> 0;
+    return $x1 + (y1 >>> 0) + (($x0 & $y0 | ($x0 | $y0) & ~($x0 + $y0 >>> 0)) >>> 31) | 0;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.math.imulh.js b/node_modules/core-js/modules/esnext.math.imulh.js
new file mode 100644
index 0000000..f7a558e
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.imulh.js
@@ -0,0 +1,18 @@
+var $ = require('../internals/export');
+
+// `Math.imulh` method
+// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
+// TODO: Remove from `core-js@4`
+$({ target: 'Math', stat: true }, {
+  imulh: function imulh(u, v) {
+    var UINT16 = 0xFFFF;
+    var $u = +u;
+    var $v = +v;
+    var u0 = $u & UINT16;
+    var v0 = $v & UINT16;
+    var u1 = $u >> 16;
+    var v1 = $v >> 16;
+    var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
+    return u1 * v1 + (t >> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >> 16);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.math.isubh.js b/node_modules/core-js/modules/esnext.math.isubh.js
new file mode 100644
index 0000000..cbe0b4e
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.isubh.js
@@ -0,0 +1,13 @@
+var $ = require('../internals/export');
+
+// `Math.isubh` method
+// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
+// TODO: Remove from `core-js@4`
+$({ target: 'Math', stat: true }, {
+  isubh: function isubh(x0, x1, y0, y1) {
+    var $x0 = x0 >>> 0;
+    var $x1 = x1 >>> 0;
+    var $y0 = y0 >>> 0;
+    return $x1 - (y1 >>> 0) - ((~$x0 & $y0 | ~($x0 ^ $y0) & $x0 - $y0 >>> 0) >>> 31) | 0;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.math.rad-per-deg.js b/node_modules/core-js/modules/esnext.math.rad-per-deg.js
new file mode 100644
index 0000000..6515cbe
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.rad-per-deg.js
@@ -0,0 +1,7 @@
+var $ = require('../internals/export');
+
+// `Math.RAD_PER_DEG` constant
+// https://rwaldron.github.io/proposal-math-extensions/
+$({ target: 'Math', stat: true }, {
+  RAD_PER_DEG: 180 / Math.PI
+});
diff --git a/node_modules/core-js/modules/esnext.math.radians.js b/node_modules/core-js/modules/esnext.math.radians.js
new file mode 100644
index 0000000..0b25512
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.radians.js
@@ -0,0 +1,11 @@
+var $ = require('../internals/export');
+
+var DEG_PER_RAD = Math.PI / 180;
+
+// `Math.radians` method
+// https://rwaldron.github.io/proposal-math-extensions/
+$({ target: 'Math', stat: true }, {
+  radians: function radians(degrees) {
+    return degrees * DEG_PER_RAD;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.math.scale.js b/node_modules/core-js/modules/esnext.math.scale.js
new file mode 100644
index 0000000..400a9ed
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.scale.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var scale = require('../internals/math-scale');
+
+// `Math.scale` method
+// https://rwaldron.github.io/proposal-math-extensions/
+$({ target: 'Math', stat: true }, {
+  scale: scale
+});
diff --git a/node_modules/core-js/modules/esnext.math.seeded-prng.js b/node_modules/core-js/modules/esnext.math.seeded-prng.js
new file mode 100644
index 0000000..6e39688
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.seeded-prng.js
@@ -0,0 +1,33 @@
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+var numberIsFinite = require('../internals/number-is-finite');
+var createIteratorConstructor = require('../internals/create-iterator-constructor');
+var InternalStateModule = require('../internals/internal-state');
+
+var SEEDED_RANDOM = 'Seeded Random';
+var SEEDED_RANDOM_GENERATOR = SEEDED_RANDOM + ' Generator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(SEEDED_RANDOM_GENERATOR);
+var SEED_TYPE_ERROR = 'Math.seededPRNG() argument should have a "seed" field with a finite value.';
+
+var $SeededRandomGenerator = createIteratorConstructor(function SeededRandomGenerator(seed) {
+  setInternalState(this, {
+    type: SEEDED_RANDOM_GENERATOR,
+    seed: seed % 2147483647
+  });
+}, SEEDED_RANDOM, function next() {
+  var state = getInternalState(this);
+  var seed = state.seed = (state.seed * 1103515245 + 12345) % 2147483647;
+  return { value: (seed & 1073741823) / 1073741823, done: false };
+});
+
+// `Math.seededPRNG` method
+// https://github.com/tc39/proposal-seeded-random
+// based on https://github.com/tc39/proposal-seeded-random/blob/78b8258835b57fc2100d076151ab506bc3202ae6/demo.html
+$({ target: 'Math', stat: true, forced: true }, {
+  seededPRNG: function seededPRNG(it) {
+    var seed = anObject(it).seed;
+    if (!numberIsFinite(seed)) throw TypeError(SEED_TYPE_ERROR);
+    return new $SeededRandomGenerator(seed);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.math.signbit.js b/node_modules/core-js/modules/esnext.math.signbit.js
new file mode 100644
index 0000000..3ece8ea
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.signbit.js
@@ -0,0 +1,9 @@
+var $ = require('../internals/export');
+
+// `Math.signbit` method
+// https://github.com/tc39/proposal-Math.signbit
+$({ target: 'Math', stat: true }, {
+  signbit: function signbit(x) {
+    return (x = +x) == x && x == 0 ? 1 / x == -Infinity : x < 0;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.math.umulh.js b/node_modules/core-js/modules/esnext.math.umulh.js
new file mode 100644
index 0000000..5f0e70f
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.math.umulh.js
@@ -0,0 +1,18 @@
+var $ = require('../internals/export');
+
+// `Math.umulh` method
+// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
+// TODO: Remove from `core-js@4`
+$({ target: 'Math', stat: true }, {
+  umulh: function umulh(u, v) {
+    var UINT16 = 0xFFFF;
+    var $u = +u;
+    var $v = +v;
+    var u0 = $u & UINT16;
+    var v0 = $v & UINT16;
+    var u1 = $u >>> 16;
+    var v1 = $v >>> 16;
+    var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
+    return u1 * v1 + (t >>> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >>> 16);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.number.from-string.js b/node_modules/core-js/modules/esnext.number.from-string.js
new file mode 100644
index 0000000..85f1498
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.number.from-string.js
@@ -0,0 +1,30 @@
+'use strict';
+var $ = require('../internals/export');
+var toInteger = require('../internals/to-integer');
+var parseInt = require('../internals/number-parse-int');
+
+var INVALID_NUMBER_REPRESENTATION = 'Invalid number representation';
+var INVALID_RADIX = 'Invalid radix';
+var valid = /^[\da-z]+$/;
+
+// `Number.fromString` method
+// https://github.com/tc39/proposal-number-fromstring
+$({ target: 'Number', stat: true }, {
+  fromString: function fromString(string, radix) {
+    var sign = 1;
+    var R, mathNum;
+    if (typeof string != 'string') throw TypeError(INVALID_NUMBER_REPRESENTATION);
+    if (!string.length) throw SyntaxError(INVALID_NUMBER_REPRESENTATION);
+    if (string.charAt(0) == '-') {
+      sign = -1;
+      string = string.slice(1);
+      if (!string.length) throw SyntaxError(INVALID_NUMBER_REPRESENTATION);
+    }
+    R = radix === undefined ? 10 : toInteger(radix);
+    if (R < 2 || R > 36) throw RangeError(INVALID_RADIX);
+    if (!valid.test(string) || (mathNum = parseInt(string, R)).toString(R) !== string) {
+      throw SyntaxError(INVALID_NUMBER_REPRESENTATION);
+    }
+    return sign * mathNum;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.number.range.js b/node_modules/core-js/modules/esnext.number.range.js
new file mode 100644
index 0000000..183e745
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.number.range.js
@@ -0,0 +1,11 @@
+'use strict';
+var $ = require('../internals/export');
+var RangeIterator = require('../internals/range-iterator');
+
+// `Number.range` method
+// https://github.com/tc39/proposal-Number.range
+$({ target: 'Number', stat: true }, {
+  range: function range(start, end, option) {
+    return new RangeIterator(start, end, option, 'number', 0, 1);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.object.iterate-entries.js b/node_modules/core-js/modules/esnext.object.iterate-entries.js
new file mode 100644
index 0000000..b882ca3
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.object.iterate-entries.js
@@ -0,0 +1,11 @@
+'use strict';
+var $ = require('../internals/export');
+var ObjectIterator = require('../internals/object-iterator');
+
+// `Object.iterateEntries` method
+// https://github.com/tc39/proposal-object-iteration
+$({ target: 'Object', stat: true }, {
+  iterateEntries: function iterateEntries(object) {
+    return new ObjectIterator(object, 'entries');
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.object.iterate-keys.js b/node_modules/core-js/modules/esnext.object.iterate-keys.js
new file mode 100644
index 0000000..e74dc37
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.object.iterate-keys.js
@@ -0,0 +1,11 @@
+'use strict';
+var $ = require('../internals/export');
+var ObjectIterator = require('../internals/object-iterator');
+
+// `Object.iterateKeys` method
+// https://github.com/tc39/proposal-object-iteration
+$({ target: 'Object', stat: true }, {
+  iterateKeys: function iterateKeys(object) {
+    return new ObjectIterator(object, 'keys');
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.object.iterate-values.js b/node_modules/core-js/modules/esnext.object.iterate-values.js
new file mode 100644
index 0000000..1d18fe0
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.object.iterate-values.js
@@ -0,0 +1,11 @@
+'use strict';
+var $ = require('../internals/export');
+var ObjectIterator = require('../internals/object-iterator');
+
+// `Object.iterateValues` method
+// https://github.com/tc39/proposal-object-iteration
+$({ target: 'Object', stat: true }, {
+  iterateValues: function iterateValues(object) {
+    return new ObjectIterator(object, 'values');
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.observable.js b/node_modules/core-js/modules/esnext.observable.js
new file mode 100644
index 0000000..edc52b8
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.observable.js
@@ -0,0 +1,207 @@
+'use strict';
+// https://github.com/tc39/proposal-observable
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var setSpecies = require('../internals/set-species');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var isObject = require('../internals/is-object');
+var anInstance = require('../internals/an-instance');
+var defineProperty = require('../internals/object-define-property').f;
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var redefineAll = require('../internals/redefine-all');
+var getIterator = require('../internals/get-iterator');
+var iterate = require('../internals/iterate');
+var hostReportErrors = require('../internals/host-report-errors');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var InternalStateModule = require('../internals/internal-state');
+
+var OBSERVABLE = wellKnownSymbol('observable');
+var getInternalState = InternalStateModule.get;
+var setInternalState = InternalStateModule.set;
+
+var getMethod = function (fn) {
+  return fn == null ? undefined : aFunction(fn);
+};
+
+var cleanupSubscription = function (subscriptionState) {
+  var cleanup = subscriptionState.cleanup;
+  if (cleanup) {
+    subscriptionState.cleanup = undefined;
+    try {
+      cleanup();
+    } catch (error) {
+      hostReportErrors(error);
+    }
+  }
+};
+
+var subscriptionClosed = function (subscriptionState) {
+  return subscriptionState.observer === undefined;
+};
+
+var close = function (subscription, subscriptionState) {
+  if (!DESCRIPTORS) {
+    subscription.closed = true;
+    var subscriptionObserver = subscriptionState.subscriptionObserver;
+    if (subscriptionObserver) subscriptionObserver.closed = true;
+  } subscriptionState.observer = undefined;
+};
+
+var Subscription = function (observer, subscriber) {
+  var subscriptionState = setInternalState(this, {
+    cleanup: undefined,
+    observer: anObject(observer),
+    subscriptionObserver: undefined
+  });
+  var start;
+  if (!DESCRIPTORS) this.closed = false;
+  try {
+    if (start = getMethod(observer.start)) start.call(observer, this);
+  } catch (error) {
+    hostReportErrors(error);
+  }
+  if (subscriptionClosed(subscriptionState)) return;
+  var subscriptionObserver = subscriptionState.subscriptionObserver = new SubscriptionObserver(this);
+  try {
+    var cleanup = subscriber(subscriptionObserver);
+    var subscription = cleanup;
+    if (cleanup != null) subscriptionState.cleanup = typeof cleanup.unsubscribe === 'function'
+      ? function () { subscription.unsubscribe(); }
+      : aFunction(cleanup);
+  } catch (error) {
+    subscriptionObserver.error(error);
+    return;
+  } if (subscriptionClosed(subscriptionState)) cleanupSubscription(subscriptionState);
+};
+
+Subscription.prototype = redefineAll({}, {
+  unsubscribe: function unsubscribe() {
+    var subscriptionState = getInternalState(this);
+    if (!subscriptionClosed(subscriptionState)) {
+      close(this, subscriptionState);
+      cleanupSubscription(subscriptionState);
+    }
+  }
+});
+
+if (DESCRIPTORS) defineProperty(Subscription.prototype, 'closed', {
+  configurable: true,
+  get: function () {
+    return subscriptionClosed(getInternalState(this));
+  }
+});
+
+var SubscriptionObserver = function (subscription) {
+  setInternalState(this, { subscription: subscription });
+  if (!DESCRIPTORS) this.closed = false;
+};
+
+SubscriptionObserver.prototype = redefineAll({}, {
+  next: function next(value) {
+    var subscriptionState = getInternalState(getInternalState(this).subscription);
+    if (!subscriptionClosed(subscriptionState)) {
+      var observer = subscriptionState.observer;
+      try {
+        var nextMethod = getMethod(observer.next);
+        if (nextMethod) nextMethod.call(observer, value);
+      } catch (error) {
+        hostReportErrors(error);
+      }
+    }
+  },
+  error: function error(value) {
+    var subscription = getInternalState(this).subscription;
+    var subscriptionState = getInternalState(subscription);
+    if (!subscriptionClosed(subscriptionState)) {
+      var observer = subscriptionState.observer;
+      close(subscription, subscriptionState);
+      try {
+        var errorMethod = getMethod(observer.error);
+        if (errorMethod) errorMethod.call(observer, value);
+        else hostReportErrors(value);
+      } catch (err) {
+        hostReportErrors(err);
+      } cleanupSubscription(subscriptionState);
+    }
+  },
+  complete: function complete() {
+    var subscription = getInternalState(this).subscription;
+    var subscriptionState = getInternalState(subscription);
+    if (!subscriptionClosed(subscriptionState)) {
+      var observer = subscriptionState.observer;
+      close(subscription, subscriptionState);
+      try {
+        var completeMethod = getMethod(observer.complete);
+        if (completeMethod) completeMethod.call(observer);
+      } catch (error) {
+        hostReportErrors(error);
+      } cleanupSubscription(subscriptionState);
+    }
+  }
+});
+
+if (DESCRIPTORS) defineProperty(SubscriptionObserver.prototype, 'closed', {
+  configurable: true,
+  get: function () {
+    return subscriptionClosed(getInternalState(getInternalState(this).subscription));
+  }
+});
+
+var $Observable = function Observable(subscriber) {
+  anInstance(this, $Observable, 'Observable');
+  setInternalState(this, { subscriber: aFunction(subscriber) });
+};
+
+redefineAll($Observable.prototype, {
+  subscribe: function subscribe(observer) {
+    var length = arguments.length;
+    return new Subscription(typeof observer === 'function' ? {
+      next: observer,
+      error: length > 1 ? arguments[1] : undefined,
+      complete: length > 2 ? arguments[2] : undefined
+    } : isObject(observer) ? observer : {}, getInternalState(this).subscriber);
+  }
+});
+
+redefineAll($Observable, {
+  from: function from(x) {
+    var C = typeof this === 'function' ? this : $Observable;
+    var observableMethod = getMethod(anObject(x)[OBSERVABLE]);
+    if (observableMethod) {
+      var observable = anObject(observableMethod.call(x));
+      return observable.constructor === C ? observable : new C(function (observer) {
+        return observable.subscribe(observer);
+      });
+    }
+    var iterator = getIterator(x);
+    return new C(function (observer) {
+      iterate(iterator, function (it, stop) {
+        observer.next(it);
+        if (observer.closed) return stop();
+      }, { IS_ITERATOR: true, INTERRUPTED: true });
+      observer.complete();
+    });
+  },
+  of: function of() {
+    var C = typeof this === 'function' ? this : $Observable;
+    var length = arguments.length;
+    var items = new Array(length);
+    var index = 0;
+    while (index < length) items[index] = arguments[index++];
+    return new C(function (observer) {
+      for (var i = 0; i < length; i++) {
+        observer.next(items[i]);
+        if (observer.closed) return;
+      } observer.complete();
+    });
+  }
+});
+
+createNonEnumerableProperty($Observable.prototype, OBSERVABLE, function () { return this; });
+
+$({ global: true }, {
+  Observable: $Observable
+});
+
+setSpecies('Observable');
diff --git a/node_modules/core-js/modules/esnext.promise.all-settled.js b/node_modules/core-js/modules/esnext.promise.all-settled.js
new file mode 100644
index 0000000..0b9d7ee
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.promise.all-settled.js
@@ -0,0 +1,2 @@
+// TODO: Remove from `core-js@4`
+require('./es.promise.all-settled.js');
diff --git a/node_modules/core-js/modules/esnext.promise.any.js b/node_modules/core-js/modules/esnext.promise.any.js
new file mode 100644
index 0000000..7a1c12b
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.promise.any.js
@@ -0,0 +1,2 @@
+// TODO: Remove from `core-js@4`
+require('./es.promise.any');
diff --git a/node_modules/core-js/modules/esnext.promise.try.js b/node_modules/core-js/modules/esnext.promise.try.js
new file mode 100644
index 0000000..7a7b93b
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.promise.try.js
@@ -0,0 +1,15 @@
+'use strict';
+var $ = require('../internals/export');
+var newPromiseCapabilityModule = require('../internals/new-promise-capability');
+var perform = require('../internals/perform');
+
+// `Promise.try` method
+// https://github.com/tc39/proposal-promise-try
+$({ target: 'Promise', stat: true }, {
+  'try': function (callbackfn) {
+    var promiseCapability = newPromiseCapabilityModule.f(this);
+    var result = perform(callbackfn);
+    (result.error ? promiseCapability.reject : promiseCapability.resolve)(result.value);
+    return promiseCapability.promise;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.reflect.define-metadata.js b/node_modules/core-js/modules/esnext.reflect.define-metadata.js
new file mode 100644
index 0000000..2596439
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.reflect.define-metadata.js
@@ -0,0 +1,15 @@
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+
+var toMetadataKey = ReflectMetadataModule.toKey;
+var ordinaryDefineOwnMetadata = ReflectMetadataModule.set;
+
+// `Reflect.defineMetadata` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  defineMetadata: function defineMetadata(metadataKey, metadataValue, target /* , targetKey */) {
+    var targetKey = arguments.length < 4 ? undefined : toMetadataKey(arguments[3]);
+    ordinaryDefineOwnMetadata(metadataKey, metadataValue, anObject(target), targetKey);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.reflect.delete-metadata.js b/node_modules/core-js/modules/esnext.reflect.delete-metadata.js
new file mode 100644
index 0000000..ec510d3
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.reflect.delete-metadata.js
@@ -0,0 +1,21 @@
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+
+var toMetadataKey = ReflectMetadataModule.toKey;
+var getOrCreateMetadataMap = ReflectMetadataModule.getMap;
+var store = ReflectMetadataModule.store;
+
+// `Reflect.deleteMetadata` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  deleteMetadata: function deleteMetadata(metadataKey, target /* , targetKey */) {
+    var targetKey = arguments.length < 3 ? undefined : toMetadataKey(arguments[2]);
+    var metadataMap = getOrCreateMetadataMap(anObject(target), targetKey, false);
+    if (metadataMap === undefined || !metadataMap['delete'](metadataKey)) return false;
+    if (metadataMap.size) return true;
+    var targetMetadata = store.get(target);
+    targetMetadata['delete'](targetKey);
+    return !!targetMetadata.size || store['delete'](target);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.reflect.get-metadata-keys.js b/node_modules/core-js/modules/esnext.reflect.get-metadata-keys.js
new file mode 100644
index 0000000..d4b5615
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.reflect.get-metadata-keys.js
@@ -0,0 +1,33 @@
+var $ = require('../internals/export');
+// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`
+var Set = require('../modules/es.set');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+var iterate = require('../internals/iterate');
+
+var ordinaryOwnMetadataKeys = ReflectMetadataModule.keys;
+var toMetadataKey = ReflectMetadataModule.toKey;
+
+var from = function (iter) {
+  var result = [];
+  iterate(iter, result.push, { that: result });
+  return result;
+};
+
+var ordinaryMetadataKeys = function (O, P) {
+  var oKeys = ordinaryOwnMetadataKeys(O, P);
+  var parent = getPrototypeOf(O);
+  if (parent === null) return oKeys;
+  var pKeys = ordinaryMetadataKeys(parent, P);
+  return pKeys.length ? oKeys.length ? from(new Set(oKeys.concat(pKeys))) : pKeys : oKeys;
+};
+
+// `Reflect.getMetadataKeys` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  getMetadataKeys: function getMetadataKeys(target /* , targetKey */) {
+    var targetKey = arguments.length < 2 ? undefined : toMetadataKey(arguments[1]);
+    return ordinaryMetadataKeys(anObject(target), targetKey);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.reflect.get-metadata.js b/node_modules/core-js/modules/esnext.reflect.get-metadata.js
new file mode 100644
index 0000000..fd344e8
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.reflect.get-metadata.js
@@ -0,0 +1,24 @@
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+
+var ordinaryHasOwnMetadata = ReflectMetadataModule.has;
+var ordinaryGetOwnMetadata = ReflectMetadataModule.get;
+var toMetadataKey = ReflectMetadataModule.toKey;
+
+var ordinaryGetMetadata = function (MetadataKey, O, P) {
+  var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
+  if (hasOwn) return ordinaryGetOwnMetadata(MetadataKey, O, P);
+  var parent = getPrototypeOf(O);
+  return parent !== null ? ordinaryGetMetadata(MetadataKey, parent, P) : undefined;
+};
+
+// `Reflect.getMetadata` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  getMetadata: function getMetadata(metadataKey, target /* , targetKey */) {
+    var targetKey = arguments.length < 3 ? undefined : toMetadataKey(arguments[2]);
+    return ordinaryGetMetadata(metadataKey, anObject(target), targetKey);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.reflect.get-own-metadata-keys.js b/node_modules/core-js/modules/esnext.reflect.get-own-metadata-keys.js
new file mode 100644
index 0000000..090bb8d
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.reflect.get-own-metadata-keys.js
@@ -0,0 +1,15 @@
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+
+var ordinaryOwnMetadataKeys = ReflectMetadataModule.keys;
+var toMetadataKey = ReflectMetadataModule.toKey;
+
+// `Reflect.getOwnMetadataKeys` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  getOwnMetadataKeys: function getOwnMetadataKeys(target /* , targetKey */) {
+    var targetKey = arguments.length < 2 ? undefined : toMetadataKey(arguments[1]);
+    return ordinaryOwnMetadataKeys(anObject(target), targetKey);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.reflect.get-own-metadata.js b/node_modules/core-js/modules/esnext.reflect.get-own-metadata.js
new file mode 100644
index 0000000..81c40d0
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.reflect.get-own-metadata.js
@@ -0,0 +1,15 @@
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+
+var ordinaryGetOwnMetadata = ReflectMetadataModule.get;
+var toMetadataKey = ReflectMetadataModule.toKey;
+
+// `Reflect.getOwnMetadata` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  getOwnMetadata: function getOwnMetadata(metadataKey, target /* , targetKey */) {
+    var targetKey = arguments.length < 3 ? undefined : toMetadataKey(arguments[2]);
+    return ordinaryGetOwnMetadata(metadataKey, anObject(target), targetKey);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.reflect.has-metadata.js b/node_modules/core-js/modules/esnext.reflect.has-metadata.js
new file mode 100644
index 0000000..4b81771
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.reflect.has-metadata.js
@@ -0,0 +1,23 @@
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+
+var ordinaryHasOwnMetadata = ReflectMetadataModule.has;
+var toMetadataKey = ReflectMetadataModule.toKey;
+
+var ordinaryHasMetadata = function (MetadataKey, O, P) {
+  var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
+  if (hasOwn) return true;
+  var parent = getPrototypeOf(O);
+  return parent !== null ? ordinaryHasMetadata(MetadataKey, parent, P) : false;
+};
+
+// `Reflect.hasMetadata` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  hasMetadata: function hasMetadata(metadataKey, target /* , targetKey */) {
+    var targetKey = arguments.length < 3 ? undefined : toMetadataKey(arguments[2]);
+    return ordinaryHasMetadata(metadataKey, anObject(target), targetKey);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.reflect.has-own-metadata.js b/node_modules/core-js/modules/esnext.reflect.has-own-metadata.js
new file mode 100644
index 0000000..87774b1
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.reflect.has-own-metadata.js
@@ -0,0 +1,15 @@
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+
+var ordinaryHasOwnMetadata = ReflectMetadataModule.has;
+var toMetadataKey = ReflectMetadataModule.toKey;
+
+// `Reflect.hasOwnMetadata` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  hasOwnMetadata: function hasOwnMetadata(metadataKey, target /* , targetKey */) {
+    var targetKey = arguments.length < 3 ? undefined : toMetadataKey(arguments[2]);
+    return ordinaryHasOwnMetadata(metadataKey, anObject(target), targetKey);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.reflect.metadata.js b/node_modules/core-js/modules/esnext.reflect.metadata.js
new file mode 100644
index 0000000..7e1caa6
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.reflect.metadata.js
@@ -0,0 +1,16 @@
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+
+var toMetadataKey = ReflectMetadataModule.toKey;
+var ordinaryDefineOwnMetadata = ReflectMetadataModule.set;
+
+// `Reflect.metadata` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+  metadata: function metadata(metadataKey, metadataValue) {
+    return function decorator(target, key) {
+      ordinaryDefineOwnMetadata(metadataKey, metadataValue, anObject(target), toMetadataKey(key));
+    };
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.add-all.js b/node_modules/core-js/modules/esnext.set.add-all.js
new file mode 100644
index 0000000..5de5089
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.add-all.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var collectionAddAll = require('../internals/collection-add-all');
+
+// `Set.prototype.addAll` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  addAll: function addAll(/* ...elements */) {
+    return collectionAddAll.apply(this, arguments);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.delete-all.js b/node_modules/core-js/modules/esnext.set.delete-all.js
new file mode 100644
index 0000000..43e4195
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.delete-all.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var collectionDeleteAll = require('../internals/collection-delete-all');
+
+// `Set.prototype.deleteAll` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  deleteAll: function deleteAll(/* ...elements */) {
+    return collectionDeleteAll.apply(this, arguments);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.difference.js b/node_modules/core-js/modules/esnext.set.difference.js
new file mode 100644
index 0000000..0bb6562
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.difference.js
@@ -0,0 +1,22 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var speciesConstructor = require('../internals/species-constructor');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.difference` method
+// https://github.com/tc39/proposal-set-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  difference: function difference(iterable) {
+    var set = anObject(this);
+    var newSet = new (speciesConstructor(set, getBuiltIn('Set')))(set);
+    var remover = aFunction(newSet['delete']);
+    iterate(iterable, function (value) {
+      remover.call(newSet, value);
+    });
+    return newSet;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.every.js b/node_modules/core-js/modules/esnext.set.every.js
new file mode 100644
index 0000000..48397bd
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.every.js
@@ -0,0 +1,20 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var bind = require('../internals/function-bind-context');
+var getSetIterator = require('../internals/get-set-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.every` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  every: function every(callbackfn /* , thisArg */) {
+    var set = anObject(this);
+    var iterator = getSetIterator(set);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    return !iterate(iterator, function (value, stop) {
+      if (!boundFunction(value, value, set)) return stop();
+    }, { IS_ITERATOR: true, INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.filter.js b/node_modules/core-js/modules/esnext.set.filter.js
new file mode 100644
index 0000000..2e24f8a
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.filter.js
@@ -0,0 +1,26 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var bind = require('../internals/function-bind-context');
+var speciesConstructor = require('../internals/species-constructor');
+var getSetIterator = require('../internals/get-set-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.filter` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  filter: function filter(callbackfn /* , thisArg */) {
+    var set = anObject(this);
+    var iterator = getSetIterator(set);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var newSet = new (speciesConstructor(set, getBuiltIn('Set')))();
+    var adder = aFunction(newSet.add);
+    iterate(iterator, function (value) {
+      if (boundFunction(value, value, set)) adder.call(newSet, value);
+    }, { IS_ITERATOR: true });
+    return newSet;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.find.js b/node_modules/core-js/modules/esnext.set.find.js
new file mode 100644
index 0000000..a23f95e
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.find.js
@@ -0,0 +1,20 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var bind = require('../internals/function-bind-context');
+var getSetIterator = require('../internals/get-set-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.find` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  find: function find(callbackfn /* , thisArg */) {
+    var set = anObject(this);
+    var iterator = getSetIterator(set);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    return iterate(iterator, function (value, stop) {
+      if (boundFunction(value, value, set)) return stop(value);
+    }, { IS_ITERATOR: true, INTERRUPTED: true }).result;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.from.js b/node_modules/core-js/modules/esnext.set.from.js
new file mode 100644
index 0000000..3ca34f4
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.from.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var from = require('../internals/collection-from');
+
+// `Set.from` method
+// https://tc39.github.io/proposal-setmap-offrom/#sec-set.from
+$({ target: 'Set', stat: true }, {
+  from: from
+});
diff --git a/node_modules/core-js/modules/esnext.set.intersection.js b/node_modules/core-js/modules/esnext.set.intersection.js
new file mode 100644
index 0000000..2d59f0d
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.intersection.js
@@ -0,0 +1,23 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var speciesConstructor = require('../internals/species-constructor');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.intersection` method
+// https://github.com/tc39/proposal-set-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  intersection: function intersection(iterable) {
+    var set = anObject(this);
+    var newSet = new (speciesConstructor(set, getBuiltIn('Set')))();
+    var hasCheck = aFunction(set.has);
+    var adder = aFunction(newSet.add);
+    iterate(iterable, function (value) {
+      if (hasCheck.call(set, value)) adder.call(newSet, value);
+    });
+    return newSet;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.is-disjoint-from.js b/node_modules/core-js/modules/esnext.set.is-disjoint-from.js
new file mode 100644
index 0000000..12f7d40
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.is-disjoint-from.js
@@ -0,0 +1,18 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.isDisjointFrom` method
+// https://tc39.github.io/proposal-set-methods/#Set.prototype.isDisjointFrom
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  isDisjointFrom: function isDisjointFrom(iterable) {
+    var set = anObject(this);
+    var hasCheck = aFunction(set.has);
+    return !iterate(iterable, function (value, stop) {
+      if (hasCheck.call(set, value) === true) return stop();
+    }, { INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.is-subset-of.js b/node_modules/core-js/modules/esnext.set.is-subset-of.js
new file mode 100644
index 0000000..9ac513f
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.is-subset-of.js
@@ -0,0 +1,25 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var getIterator = require('../internals/get-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.isSubsetOf` method
+// https://tc39.github.io/proposal-set-methods/#Set.prototype.isSubsetOf
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  isSubsetOf: function isSubsetOf(iterable) {
+    var iterator = getIterator(this);
+    var otherSet = anObject(iterable);
+    var hasCheck = otherSet.has;
+    if (typeof hasCheck != 'function') {
+      otherSet = new (getBuiltIn('Set'))(iterable);
+      hasCheck = aFunction(otherSet.has);
+    }
+    return !iterate(iterator, function (value, stop) {
+      if (hasCheck.call(otherSet, value) === false) return stop();
+    }, { IS_ITERATOR: true, INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.is-superset-of.js b/node_modules/core-js/modules/esnext.set.is-superset-of.js
new file mode 100644
index 0000000..14f1532
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.is-superset-of.js
@@ -0,0 +1,18 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.isSupersetOf` method
+// https://tc39.github.io/proposal-set-methods/#Set.prototype.isSupersetOf
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  isSupersetOf: function isSupersetOf(iterable) {
+    var set = anObject(this);
+    var hasCheck = aFunction(set.has);
+    return !iterate(iterable, function (value, stop) {
+      if (hasCheck.call(set, value) === false) return stop();
+    }, { INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.join.js b/node_modules/core-js/modules/esnext.set.join.js
new file mode 100644
index 0000000..d7bba50
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.join.js
@@ -0,0 +1,19 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var getSetIterator = require('../internals/get-set-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.join` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  join: function join(separator) {
+    var set = anObject(this);
+    var iterator = getSetIterator(set);
+    var sep = separator === undefined ? ',' : String(separator);
+    var result = [];
+    iterate(iterator, result.push, { that: result, IS_ITERATOR: true });
+    return result.join(sep);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.map.js b/node_modules/core-js/modules/esnext.set.map.js
new file mode 100644
index 0000000..94bf6bd
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.map.js
@@ -0,0 +1,26 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var bind = require('../internals/function-bind-context');
+var speciesConstructor = require('../internals/species-constructor');
+var getSetIterator = require('../internals/get-set-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.map` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  map: function map(callbackfn /* , thisArg */) {
+    var set = anObject(this);
+    var iterator = getSetIterator(set);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var newSet = new (speciesConstructor(set, getBuiltIn('Set')))();
+    var adder = aFunction(newSet.add);
+    iterate(iterator, function (value) {
+      adder.call(newSet, boundFunction(value, value, set));
+    }, { IS_ITERATOR: true });
+    return newSet;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.of.js b/node_modules/core-js/modules/esnext.set.of.js
new file mode 100644
index 0000000..744698e
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.of.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var of = require('../internals/collection-of');
+
+// `Set.of` method
+// https://tc39.github.io/proposal-setmap-offrom/#sec-set.of
+$({ target: 'Set', stat: true }, {
+  of: of
+});
diff --git a/node_modules/core-js/modules/esnext.set.reduce.js b/node_modules/core-js/modules/esnext.set.reduce.js
new file mode 100644
index 0000000..a066b10
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.reduce.js
@@ -0,0 +1,29 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var getSetIterator = require('../internals/get-set-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.reduce` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  reduce: function reduce(callbackfn /* , initialValue */) {
+    var set = anObject(this);
+    var iterator = getSetIterator(set);
+    var noInitial = arguments.length < 2;
+    var accumulator = noInitial ? undefined : arguments[1];
+    aFunction(callbackfn);
+    iterate(iterator, function (value) {
+      if (noInitial) {
+        noInitial = false;
+        accumulator = value;
+      } else {
+        accumulator = callbackfn(accumulator, value, value, set);
+      }
+    }, { IS_ITERATOR: true });
+    if (noInitial) throw TypeError('Reduce of empty set with no initial value');
+    return accumulator;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.some.js b/node_modules/core-js/modules/esnext.set.some.js
new file mode 100644
index 0000000..e32b779
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.some.js
@@ -0,0 +1,20 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var bind = require('../internals/function-bind-context');
+var getSetIterator = require('../internals/get-set-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.some` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  some: function some(callbackfn /* , thisArg */) {
+    var set = anObject(this);
+    var iterator = getSetIterator(set);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+    return iterate(iterator, function (value, stop) {
+      if (boundFunction(value, value, set)) return stop();
+    }, { IS_ITERATOR: true, INTERRUPTED: true }).stopped;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.symmetric-difference.js b/node_modules/core-js/modules/esnext.set.symmetric-difference.js
new file mode 100644
index 0000000..ccd326f
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.symmetric-difference.js
@@ -0,0 +1,23 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var speciesConstructor = require('../internals/species-constructor');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.symmetricDifference` method
+// https://github.com/tc39/proposal-set-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  symmetricDifference: function symmetricDifference(iterable) {
+    var set = anObject(this);
+    var newSet = new (speciesConstructor(set, getBuiltIn('Set')))(set);
+    var remover = aFunction(newSet['delete']);
+    var adder = aFunction(newSet.add);
+    iterate(iterable, function (value) {
+      remover.call(newSet, value) || adder.call(newSet, value);
+    });
+    return newSet;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.set.union.js b/node_modules/core-js/modules/esnext.set.union.js
new file mode 100644
index 0000000..c448add
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.set.union.js
@@ -0,0 +1,19 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var getBuiltIn = require('../internals/get-built-in');
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var speciesConstructor = require('../internals/species-constructor');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.union` method
+// https://github.com/tc39/proposal-set-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+  union: function union(iterable) {
+    var set = anObject(this);
+    var newSet = new (speciesConstructor(set, getBuiltIn('Set')))(set);
+    iterate(iterable, aFunction(newSet.add), { that: newSet });
+    return newSet;
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.string.at-alternative.js b/node_modules/core-js/modules/esnext.string.at-alternative.js
new file mode 100644
index 0000000..5158e2e
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.string.at-alternative.js
@@ -0,0 +1,23 @@
+// TODO: disabled by default because of the conflict with another proposal
+'use strict';
+var $ = require('../internals/export');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var toLength = require('../internals/to-length');
+var toInteger = require('../internals/to-integer');
+var fails = require('../internals/fails');
+
+var FORCED = fails(function () {
+  return '𠮷'.at(0) !== '\uD842';
+});
+
+// `String.prototype.at` method
+// https://github.com/tc39/proposal-relative-indexing-method
+$({ target: 'String', proto: true, forced: FORCED }, {
+  at: function at(index) {
+    var S = String(requireObjectCoercible(this));
+    var len = toLength(S.length);
+    var relativeIndex = toInteger(index);
+    var k = relativeIndex >= 0 ? relativeIndex : len + relativeIndex;
+    return (k < 0 || k >= len) ? undefined : S.charAt(k);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.string.at.js b/node_modules/core-js/modules/esnext.string.at.js
new file mode 100644
index 0000000..be0ce40
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.string.at.js
@@ -0,0 +1,16 @@
+'use strict';
+var $ = require('../internals/export');
+var charAt = require('../internals/string-multibyte').charAt;
+var fails = require('../internals/fails');
+
+var FORCED = fails(function () {
+  return '𠮷'.at(0) !== '𠮷';
+});
+
+// `String.prototype.at` method
+// https://github.com/mathiasbynens/String.prototype.at
+$({ target: 'String', proto: true, forced: FORCED }, {
+  at: function at(pos) {
+    return charAt(this, pos);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.string.code-points.js b/node_modules/core-js/modules/esnext.string.code-points.js
new file mode 100644
index 0000000..fcf15d6
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.string.code-points.js
@@ -0,0 +1,38 @@
+'use strict';
+var $ = require('../internals/export');
+var createIteratorConstructor = require('../internals/create-iterator-constructor');
+var requireObjectCoercible = require('../internals/require-object-coercible');
+var InternalStateModule = require('../internals/internal-state');
+var StringMultibyteModule = require('../internals/string-multibyte');
+
+var codeAt = StringMultibyteModule.codeAt;
+var charAt = StringMultibyteModule.charAt;
+var STRING_ITERATOR = 'String Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);
+
+// TODO: unify with String#@@iterator
+var $StringIterator = createIteratorConstructor(function StringIterator(string) {
+  setInternalState(this, {
+    type: STRING_ITERATOR,
+    string: string,
+    index: 0
+  });
+}, 'String', function next() {
+  var state = getInternalState(this);
+  var string = state.string;
+  var index = state.index;
+  var point;
+  if (index >= string.length) return { value: undefined, done: true };
+  point = charAt(string, index);
+  state.index += point.length;
+  return { value: { codePoint: codeAt(point, 0), position: index }, done: false };
+});
+
+// `String.prototype.codePoints` method
+// https://github.com/tc39/proposal-string-prototype-codepoints
+$({ target: 'String', proto: true }, {
+  codePoints: function codePoints() {
+    return new $StringIterator(String(requireObjectCoercible(this)));
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.string.match-all.js b/node_modules/core-js/modules/esnext.string.match-all.js
new file mode 100644
index 0000000..b01996d
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.string.match-all.js
@@ -0,0 +1,2 @@
+// TODO: Remove from `core-js@4`
+require('./es.string.match-all');
diff --git a/node_modules/core-js/modules/esnext.string.replace-all.js b/node_modules/core-js/modules/esnext.string.replace-all.js
new file mode 100644
index 0000000..574c678
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.string.replace-all.js
@@ -0,0 +1,2 @@
+// TODO: Remove from `core-js@4`
+require('./es.string.replace-all');
diff --git a/node_modules/core-js/modules/esnext.symbol.async-dispose.js b/node_modules/core-js/modules/esnext.symbol.async-dispose.js
new file mode 100644
index 0000000..776608e
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.symbol.async-dispose.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.asyncDispose` well-known symbol
+// https://github.com/tc39/proposal-using-statement
+defineWellKnownSymbol('asyncDispose');
diff --git a/node_modules/core-js/modules/esnext.symbol.dispose.js b/node_modules/core-js/modules/esnext.symbol.dispose.js
new file mode 100644
index 0000000..ac7691d
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.symbol.dispose.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.dispose` well-known symbol
+// https://github.com/tc39/proposal-using-statement
+defineWellKnownSymbol('dispose');
diff --git a/node_modules/core-js/modules/esnext.symbol.observable.js b/node_modules/core-js/modules/esnext.symbol.observable.js
new file mode 100644
index 0000000..dc4a4f5
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.symbol.observable.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.observable` well-known symbol
+// https://github.com/tc39/proposal-observable
+defineWellKnownSymbol('observable');
diff --git a/node_modules/core-js/modules/esnext.symbol.pattern-match.js b/node_modules/core-js/modules/esnext.symbol.pattern-match.js
new file mode 100644
index 0000000..0120063
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.symbol.pattern-match.js
@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.patternMatch` well-known symbol
+// https://github.com/tc39/proposal-pattern-matching
+defineWellKnownSymbol('patternMatch');
diff --git a/node_modules/core-js/modules/esnext.symbol.replace-all.js b/node_modules/core-js/modules/esnext.symbol.replace-all.js
new file mode 100644
index 0000000..82cbd29
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.symbol.replace-all.js
@@ -0,0 +1,4 @@
+// TODO: remove from `core-js@4`
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+defineWellKnownSymbol('replaceAll');
diff --git a/node_modules/core-js/modules/esnext.typed-array.at.js b/node_modules/core-js/modules/esnext.typed-array.at.js
new file mode 100644
index 0000000..f6da023
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.typed-array.at.js
@@ -0,0 +1,17 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var toLength = require('../internals/to-length');
+var toInteger = require('../internals/to-integer');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.at` method
+// https://github.com/tc39/proposal-relative-indexing-method
+exportTypedArrayMethod('at', function at(index) {
+  var O = aTypedArray(this);
+  var len = toLength(O.length);
+  var relativeIndex = toInteger(index);
+  var k = relativeIndex >= 0 ? relativeIndex : len + relativeIndex;
+  return (k < 0 || k >= len) ? undefined : O[k];
+});
diff --git a/node_modules/core-js/modules/esnext.typed-array.filter-out.js b/node_modules/core-js/modules/esnext.typed-array.filter-out.js
new file mode 100644
index 0000000..d283790
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.typed-array.filter-out.js
@@ -0,0 +1,20 @@
+'use strict';
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+var $filterOut = require('../internals/array-iteration').filterOut;
+var speciesConstructor = require('../internals/species-constructor');
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+
+// `%TypedArray%.prototype.filterOut` method
+// https://github.com/tc39/proposal-array-filtering
+exportTypedArrayMethod('filterOut', function filterOut(callbackfn /* , thisArg */) {
+  var list = $filterOut(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  var C = speciesConstructor(this, this.constructor);
+  var index = 0;
+  var length = list.length;
+  var result = new (aTypedArrayConstructor(C))(length);
+  while (length > index) result[index] = list[index++];
+  return result;
+});
diff --git a/node_modules/core-js/modules/esnext.weak-map.delete-all.js b/node_modules/core-js/modules/esnext.weak-map.delete-all.js
new file mode 100644
index 0000000..ef56f99
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.weak-map.delete-all.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var collectionDeleteAll = require('../internals/collection-delete-all');
+
+// `WeakMap.prototype.deleteAll` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'WeakMap', proto: true, real: true, forced: IS_PURE }, {
+  deleteAll: function deleteAll(/* ...elements */) {
+    return collectionDeleteAll.apply(this, arguments);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.weak-map.emplace.js b/node_modules/core-js/modules/esnext.weak-map.emplace.js
new file mode 100644
index 0000000..268f012
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.weak-map.emplace.js
@@ -0,0 +1,10 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var $emplace = require('../internals/map-emplace');
+
+// `WeakMap.prototype.emplace` method
+// https://github.com/tc39/proposal-upsert
+$({ target: 'WeakMap', proto: true, real: true, forced: IS_PURE }, {
+  emplace: $emplace
+});
diff --git a/node_modules/core-js/modules/esnext.weak-map.from.js b/node_modules/core-js/modules/esnext.weak-map.from.js
new file mode 100644
index 0000000..8dc7b01
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.weak-map.from.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var from = require('../internals/collection-from');
+
+// `WeakMap.from` method
+// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.from
+$({ target: 'WeakMap', stat: true }, {
+  from: from
+});
diff --git a/node_modules/core-js/modules/esnext.weak-map.of.js b/node_modules/core-js/modules/esnext.weak-map.of.js
new file mode 100644
index 0000000..efea513
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.weak-map.of.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var of = require('../internals/collection-of');
+
+// `WeakMap.of` method
+// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.of
+$({ target: 'WeakMap', stat: true }, {
+  of: of
+});
diff --git a/node_modules/core-js/modules/esnext.weak-map.upsert.js b/node_modules/core-js/modules/esnext.weak-map.upsert.js
new file mode 100644
index 0000000..a642ffc
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.weak-map.upsert.js
@@ -0,0 +1,11 @@
+'use strict';
+// TODO: remove from `core-js@4`
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var $upsert = require('../internals/map-upsert');
+
+// `WeakMap.prototype.upsert` method (replaced by `WeakMap.prototype.emplace`)
+// https://github.com/tc39/proposal-upsert
+$({ target: 'WeakMap', proto: true, real: true, forced: IS_PURE }, {
+  upsert: $upsert
+});
diff --git a/node_modules/core-js/modules/esnext.weak-set.add-all.js b/node_modules/core-js/modules/esnext.weak-set.add-all.js
new file mode 100644
index 0000000..e8bb4c9
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.weak-set.add-all.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var collectionAddAll = require('../internals/collection-add-all');
+
+// `WeakSet.prototype.addAll` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'WeakSet', proto: true, real: true, forced: IS_PURE }, {
+  addAll: function addAll(/* ...elements */) {
+    return collectionAddAll.apply(this, arguments);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.weak-set.delete-all.js b/node_modules/core-js/modules/esnext.weak-set.delete-all.js
new file mode 100644
index 0000000..b262821
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.weak-set.delete-all.js
@@ -0,0 +1,12 @@
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var collectionDeleteAll = require('../internals/collection-delete-all');
+
+// `WeakSet.prototype.deleteAll` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'WeakSet', proto: true, real: true, forced: IS_PURE }, {
+  deleteAll: function deleteAll(/* ...elements */) {
+    return collectionDeleteAll.apply(this, arguments);
+  }
+});
diff --git a/node_modules/core-js/modules/esnext.weak-set.from.js b/node_modules/core-js/modules/esnext.weak-set.from.js
new file mode 100644
index 0000000..e13acec
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.weak-set.from.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var from = require('../internals/collection-from');
+
+// `WeakSet.from` method
+// https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.from
+$({ target: 'WeakSet', stat: true }, {
+  from: from
+});
diff --git a/node_modules/core-js/modules/esnext.weak-set.of.js b/node_modules/core-js/modules/esnext.weak-set.of.js
new file mode 100644
index 0000000..aee9920
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.weak-set.of.js
@@ -0,0 +1,8 @@
+var $ = require('../internals/export');
+var of = require('../internals/collection-of');
+
+// `WeakSet.of` method
+// https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.of
+$({ target: 'WeakSet', stat: true }, {
+  of: of
+});
diff --git a/node_modules/core-js/modules/web.dom-collections.for-each.js b/node_modules/core-js/modules/web.dom-collections.for-each.js
new file mode 100644
index 0000000..941a583
--- /dev/null
+++ b/node_modules/core-js/modules/web.dom-collections.for-each.js
@@ -0,0 +1,15 @@
+var global = require('../internals/global');
+var DOMIterables = require('../internals/dom-iterables');
+var forEach = require('../internals/array-for-each');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+
+for (var COLLECTION_NAME in DOMIterables) {
+  var Collection = global[COLLECTION_NAME];
+  var CollectionPrototype = Collection && Collection.prototype;
+  // some Chrome versions have non-configurable methods on DOMTokenList
+  if (CollectionPrototype && CollectionPrototype.forEach !== forEach) try {
+    createNonEnumerableProperty(CollectionPrototype, 'forEach', forEach);
+  } catch (error) {
+    CollectionPrototype.forEach = forEach;
+  }
+}
diff --git a/node_modules/core-js/modules/web.dom-collections.iterator.js b/node_modules/core-js/modules/web.dom-collections.iterator.js
new file mode 100644
index 0000000..b2ecd17
--- /dev/null
+++ b/node_modules/core-js/modules/web.dom-collections.iterator.js
@@ -0,0 +1,33 @@
+var global = require('../internals/global');
+var DOMIterables = require('../internals/dom-iterables');
+var ArrayIteratorMethods = require('../modules/es.array.iterator');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var ITERATOR = wellKnownSymbol('iterator');
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var ArrayValues = ArrayIteratorMethods.values;
+
+for (var COLLECTION_NAME in DOMIterables) {
+  var Collection = global[COLLECTION_NAME];
+  var CollectionPrototype = Collection && Collection.prototype;
+  if (CollectionPrototype) {
+    // some Chrome versions have non-configurable methods on DOMTokenList
+    if (CollectionPrototype[ITERATOR] !== ArrayValues) try {
+      createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);
+    } catch (error) {
+      CollectionPrototype[ITERATOR] = ArrayValues;
+    }
+    if (!CollectionPrototype[TO_STRING_TAG]) {
+      createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);
+    }
+    if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) {
+      // some Chrome versions have non-configurable methods on DOMTokenList
+      if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try {
+        createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);
+      } catch (error) {
+        CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];
+      }
+    }
+  }
+}
diff --git a/node_modules/core-js/modules/web.immediate.js b/node_modules/core-js/modules/web.immediate.js
new file mode 100644
index 0000000..0a0f1ef
--- /dev/null
+++ b/node_modules/core-js/modules/web.immediate.js
@@ -0,0 +1,15 @@
+var $ = require('../internals/export');
+var global = require('../internals/global');
+var task = require('../internals/task');
+
+var FORCED = !global.setImmediate || !global.clearImmediate;
+
+// http://w3c.github.io/setImmediate/
+$({ global: true, bind: true, enumerable: true, forced: FORCED }, {
+  // `setImmediate` method
+  // http://w3c.github.io/setImmediate/#si-setImmediate
+  setImmediate: task.set,
+  // `clearImmediate` method
+  // http://w3c.github.io/setImmediate/#si-clearImmediate
+  clearImmediate: task.clear
+});
diff --git a/node_modules/core-js/modules/web.queue-microtask.js b/node_modules/core-js/modules/web.queue-microtask.js
new file mode 100644
index 0000000..181643a
--- /dev/null
+++ b/node_modules/core-js/modules/web.queue-microtask.js
@@ -0,0 +1,15 @@
+var $ = require('../internals/export');
+var global = require('../internals/global');
+var microtask = require('../internals/microtask');
+var IS_NODE = require('../internals/engine-is-node');
+
+var process = global.process;
+
+// `queueMicrotask` method
+// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-queuemicrotask
+$({ global: true, enumerable: true, noTargetGet: true }, {
+  queueMicrotask: function queueMicrotask(fn) {
+    var domain = IS_NODE && process.domain;
+    microtask(domain ? domain.bind(fn) : fn);
+  }
+});
diff --git a/node_modules/core-js/modules/web.timers.js b/node_modules/core-js/modules/web.timers.js
new file mode 100644
index 0000000..0a4a7fc
--- /dev/null
+++ b/node_modules/core-js/modules/web.timers.js
@@ -0,0 +1,28 @@
+var $ = require('../internals/export');
+var global = require('../internals/global');
+var userAgent = require('../internals/engine-user-agent');
+
+var slice = [].slice;
+var MSIE = /MSIE .\./.test(userAgent); // <- dirty ie9- check
+
+var wrap = function (scheduler) {
+  return function (handler, timeout /* , ...arguments */) {
+    var boundArgs = arguments.length > 2;
+    var args = boundArgs ? slice.call(arguments, 2) : undefined;
+    return scheduler(boundArgs ? function () {
+      // eslint-disable-next-line no-new-func
+      (typeof handler == 'function' ? handler : Function(handler)).apply(this, args);
+    } : handler, timeout);
+  };
+};
+
+// ie9- setTimeout & setInterval additional parameters fix
+// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
+$({ global: true, bind: true, forced: MSIE }, {
+  // `setTimeout` method
+  // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-settimeout
+  setTimeout: wrap(global.setTimeout),
+  // `setInterval` method
+  // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-setinterval
+  setInterval: wrap(global.setInterval)
+});
diff --git a/node_modules/core-js/modules/web.url-search-params.js b/node_modules/core-js/modules/web.url-search-params.js
new file mode 100644
index 0000000..a25b91f
--- /dev/null
+++ b/node_modules/core-js/modules/web.url-search-params.js
@@ -0,0 +1,347 @@
+'use strict';
+// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`
+require('../modules/es.array.iterator');
+var $ = require('../internals/export');
+var getBuiltIn = require('../internals/get-built-in');
+var USE_NATIVE_URL = require('../internals/native-url');
+var redefine = require('../internals/redefine');
+var redefineAll = require('../internals/redefine-all');
+var setToStringTag = require('../internals/set-to-string-tag');
+var createIteratorConstructor = require('../internals/create-iterator-constructor');
+var InternalStateModule = require('../internals/internal-state');
+var anInstance = require('../internals/an-instance');
+var hasOwn = require('../internals/has');
+var bind = require('../internals/function-bind-context');
+var classof = require('../internals/classof');
+var anObject = require('../internals/an-object');
+var isObject = require('../internals/is-object');
+var create = require('../internals/object-create');
+var createPropertyDescriptor = require('../internals/create-property-descriptor');
+var getIterator = require('../internals/get-iterator');
+var getIteratorMethod = require('../internals/get-iterator-method');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var $fetch = getBuiltIn('fetch');
+var Headers = getBuiltIn('Headers');
+var ITERATOR = wellKnownSymbol('iterator');
+var URL_SEARCH_PARAMS = 'URLSearchParams';
+var URL_SEARCH_PARAMS_ITERATOR = URL_SEARCH_PARAMS + 'Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalParamsState = InternalStateModule.getterFor(URL_SEARCH_PARAMS);
+var getInternalIteratorState = InternalStateModule.getterFor(URL_SEARCH_PARAMS_ITERATOR);
+
+var plus = /\+/g;
+var sequences = Array(4);
+
+var percentSequence = function (bytes) {
+  return sequences[bytes - 1] || (sequences[bytes - 1] = RegExp('((?:%[\\da-f]{2}){' + bytes + '})', 'gi'));
+};
+
+var percentDecode = function (sequence) {
+  try {
+    return decodeURIComponent(sequence);
+  } catch (error) {
+    return sequence;
+  }
+};
+
+var deserialize = function (it) {
+  var result = it.replace(plus, ' ');
+  var bytes = 4;
+  try {
+    return decodeURIComponent(result);
+  } catch (error) {
+    while (bytes) {
+      result = result.replace(percentSequence(bytes--), percentDecode);
+    }
+    return result;
+  }
+};
+
+var find = /[!'()~]|%20/g;
+
+var replace = {
+  '!': '%21',
+  "'": '%27',
+  '(': '%28',
+  ')': '%29',
+  '~': '%7E',
+  '%20': '+'
+};
+
+var replacer = function (match) {
+  return replace[match];
+};
+
+var serialize = function (it) {
+  return encodeURIComponent(it).replace(find, replacer);
+};
+
+var parseSearchParams = function (result, query) {
+  if (query) {
+    var attributes = query.split('&');
+    var index = 0;
+    var attribute, entry;
+    while (index < attributes.length) {
+      attribute = attributes[index++];
+      if (attribute.length) {
+        entry = attribute.split('=');
+        result.push({
+          key: deserialize(entry.shift()),
+          value: deserialize(entry.join('='))
+        });
+      }
+    }
+  }
+};
+
+var updateSearchParams = function (query) {
+  this.entries.length = 0;
+  parseSearchParams(this.entries, query);
+};
+
+var validateArgumentsLength = function (passed, required) {
+  if (passed < required) throw TypeError('Not enough arguments');
+};
+
+var URLSearchParamsIterator = createIteratorConstructor(function Iterator(params, kind) {
+  setInternalState(this, {
+    type: URL_SEARCH_PARAMS_ITERATOR,
+    iterator: getIterator(getInternalParamsState(params).entries),
+    kind: kind
+  });
+}, 'Iterator', function next() {
+  var state = getInternalIteratorState(this);
+  var kind = state.kind;
+  var step = state.iterator.next();
+  var entry = step.value;
+  if (!step.done) {
+    step.value = kind === 'keys' ? entry.key : kind === 'values' ? entry.value : [entry.key, entry.value];
+  } return step;
+});
+
+// `URLSearchParams` constructor
+// https://url.spec.whatwg.org/#interface-urlsearchparams
+var URLSearchParamsConstructor = function URLSearchParams(/* init */) {
+  anInstance(this, URLSearchParamsConstructor, URL_SEARCH_PARAMS);
+  var init = arguments.length > 0 ? arguments[0] : undefined;
+  var that = this;
+  var entries = [];
+  var iteratorMethod, iterator, next, step, entryIterator, entryNext, first, second, key;
+
+  setInternalState(that, {
+    type: URL_SEARCH_PARAMS,
+    entries: entries,
+    updateURL: function () { /* empty */ },
+    updateSearchParams: updateSearchParams
+  });
+
+  if (init !== undefined) {
+    if (isObject(init)) {
+      iteratorMethod = getIteratorMethod(init);
+      if (typeof iteratorMethod === 'function') {
+        iterator = iteratorMethod.call(init);
+        next = iterator.next;
+        while (!(step = next.call(iterator)).done) {
+          entryIterator = getIterator(anObject(step.value));
+          entryNext = entryIterator.next;
+          if (
+            (first = entryNext.call(entryIterator)).done ||
+            (second = entryNext.call(entryIterator)).done ||
+            !entryNext.call(entryIterator).done
+          ) throw TypeError('Expected sequence with length 2');
+          entries.push({ key: first.value + '', value: second.value + '' });
+        }
+      } else for (key in init) if (hasOwn(init, key)) entries.push({ key: key, value: init[key] + '' });
+    } else {
+      parseSearchParams(entries, typeof init === 'string' ? init.charAt(0) === '?' ? init.slice(1) : init : init + '');
+    }
+  }
+};
+
+var URLSearchParamsPrototype = URLSearchParamsConstructor.prototype;
+
+redefineAll(URLSearchParamsPrototype, {
+  // `URLSearchParams.prototype.append` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-append
+  append: function append(name, value) {
+    validateArgumentsLength(arguments.length, 2);
+    var state = getInternalParamsState(this);
+    state.entries.push({ key: name + '', value: value + '' });
+    state.updateURL();
+  },
+  // `URLSearchParams.prototype.delete` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-delete
+  'delete': function (name) {
+    validateArgumentsLength(arguments.length, 1);
+    var state = getInternalParamsState(this);
+    var entries = state.entries;
+    var key = name + '';
+    var index = 0;
+    while (index < entries.length) {
+      if (entries[index].key === key) entries.splice(index, 1);
+      else index++;
+    }
+    state.updateURL();
+  },
+  // `URLSearchParams.prototype.get` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-get
+  get: function get(name) {
+    validateArgumentsLength(arguments.length, 1);
+    var entries = getInternalParamsState(this).entries;
+    var key = name + '';
+    var index = 0;
+    for (; index < entries.length; index++) {
+      if (entries[index].key === key) return entries[index].value;
+    }
+    return null;
+  },
+  // `URLSearchParams.prototype.getAll` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-getall
+  getAll: function getAll(name) {
+    validateArgumentsLength(arguments.length, 1);
+    var entries = getInternalParamsState(this).entries;
+    var key = name + '';
+    var result = [];
+    var index = 0;
+    for (; index < entries.length; index++) {
+      if (entries[index].key === key) result.push(entries[index].value);
+    }
+    return result;
+  },
+  // `URLSearchParams.prototype.has` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-has
+  has: function has(name) {
+    validateArgumentsLength(arguments.length, 1);
+    var entries = getInternalParamsState(this).entries;
+    var key = name + '';
+    var index = 0;
+    while (index < entries.length) {
+      if (entries[index++].key === key) return true;
+    }
+    return false;
+  },
+  // `URLSearchParams.prototype.set` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-set
+  set: function set(name, value) {
+    validateArgumentsLength(arguments.length, 1);
+    var state = getInternalParamsState(this);
+    var entries = state.entries;
+    var found = false;
+    var key = name + '';
+    var val = value + '';
+    var index = 0;
+    var entry;
+    for (; index < entries.length; index++) {
+      entry = entries[index];
+      if (entry.key === key) {
+        if (found) entries.splice(index--, 1);
+        else {
+          found = true;
+          entry.value = val;
+        }
+      }
+    }
+    if (!found) entries.push({ key: key, value: val });
+    state.updateURL();
+  },
+  // `URLSearchParams.prototype.sort` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-sort
+  sort: function sort() {
+    var state = getInternalParamsState(this);
+    var entries = state.entries;
+    // Array#sort is not stable in some engines
+    var slice = entries.slice();
+    var entry, entriesIndex, sliceIndex;
+    entries.length = 0;
+    for (sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {
+      entry = slice[sliceIndex];
+      for (entriesIndex = 0; entriesIndex < sliceIndex; entriesIndex++) {
+        if (entries[entriesIndex].key > entry.key) {
+          entries.splice(entriesIndex, 0, entry);
+          break;
+        }
+      }
+      if (entriesIndex === sliceIndex) entries.push(entry);
+    }
+    state.updateURL();
+  },
+  // `URLSearchParams.prototype.forEach` method
+  forEach: function forEach(callback /* , thisArg */) {
+    var entries = getInternalParamsState(this).entries;
+    var boundFunction = bind(callback, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var index = 0;
+    var entry;
+    while (index < entries.length) {
+      entry = entries[index++];
+      boundFunction(entry.value, entry.key, this);
+    }
+  },
+  // `URLSearchParams.prototype.keys` method
+  keys: function keys() {
+    return new URLSearchParamsIterator(this, 'keys');
+  },
+  // `URLSearchParams.prototype.values` method
+  values: function values() {
+    return new URLSearchParamsIterator(this, 'values');
+  },
+  // `URLSearchParams.prototype.entries` method
+  entries: function entries() {
+    return new URLSearchParamsIterator(this, 'entries');
+  }
+}, { enumerable: true });
+
+// `URLSearchParams.prototype[@@iterator]` method
+redefine(URLSearchParamsPrototype, ITERATOR, URLSearchParamsPrototype.entries);
+
+// `URLSearchParams.prototype.toString` method
+// https://url.spec.whatwg.org/#urlsearchparams-stringification-behavior
+redefine(URLSearchParamsPrototype, 'toString', function toString() {
+  var entries = getInternalParamsState(this).entries;
+  var result = [];
+  var index = 0;
+  var entry;
+  while (index < entries.length) {
+    entry = entries[index++];
+    result.push(serialize(entry.key) + '=' + serialize(entry.value));
+  } return result.join('&');
+}, { enumerable: true });
+
+setToStringTag(URLSearchParamsConstructor, URL_SEARCH_PARAMS);
+
+$({ global: true, forced: !USE_NATIVE_URL }, {
+  URLSearchParams: URLSearchParamsConstructor
+});
+
+// Wrap `fetch` for correct work with polyfilled `URLSearchParams`
+// https://github.com/zloirock/core-js/issues/674
+if (!USE_NATIVE_URL && typeof $fetch == 'function' && typeof Headers == 'function') {
+  $({ global: true, enumerable: true, forced: true }, {
+    fetch: function fetch(input /* , init */) {
+      var args = [input];
+      var init, body, headers;
+      if (arguments.length > 1) {
+        init = arguments[1];
+        if (isObject(init)) {
+          body = init.body;
+          if (classof(body) === URL_SEARCH_PARAMS) {
+            headers = init.headers ? new Headers(init.headers) : new Headers();
+            if (!headers.has('content-type')) {
+              headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
+            }
+            init = create(init, {
+              body: createPropertyDescriptor(0, String(body)),
+              headers: createPropertyDescriptor(0, headers)
+            });
+          }
+        }
+        args.push(init);
+      } return $fetch.apply(this, args);
+    }
+  });
+}
+
+module.exports = {
+  URLSearchParams: URLSearchParamsConstructor,
+  getState: getInternalParamsState
+};
diff --git a/node_modules/core-js/modules/web.url.js b/node_modules/core-js/modules/web.url.js
new file mode 100644
index 0000000..c6b0372
--- /dev/null
+++ b/node_modules/core-js/modules/web.url.js
@@ -0,0 +1,1007 @@
+'use strict';
+// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`
+require('../modules/es.string.iterator');
+var $ = require('../internals/export');
+var DESCRIPTORS = require('../internals/descriptors');
+var USE_NATIVE_URL = require('../internals/native-url');
+var global = require('../internals/global');
+var defineProperties = require('../internals/object-define-properties');
+var redefine = require('../internals/redefine');
+var anInstance = require('../internals/an-instance');
+var has = require('../internals/has');
+var assign = require('../internals/object-assign');
+var arrayFrom = require('../internals/array-from');
+var codeAt = require('../internals/string-multibyte').codeAt;
+var toASCII = require('../internals/string-punycode-to-ascii');
+var setToStringTag = require('../internals/set-to-string-tag');
+var URLSearchParamsModule = require('../modules/web.url-search-params');
+var InternalStateModule = require('../internals/internal-state');
+
+var NativeURL = global.URL;
+var URLSearchParams = URLSearchParamsModule.URLSearchParams;
+var getInternalSearchParamsState = URLSearchParamsModule.getState;
+var setInternalState = InternalStateModule.set;
+var getInternalURLState = InternalStateModule.getterFor('URL');
+var floor = Math.floor;
+var pow = Math.pow;
+
+var INVALID_AUTHORITY = 'Invalid authority';
+var INVALID_SCHEME = 'Invalid scheme';
+var INVALID_HOST = 'Invalid host';
+var INVALID_PORT = 'Invalid port';
+
+var ALPHA = /[A-Za-z]/;
+var ALPHANUMERIC = /[\d+-.A-Za-z]/;
+var DIGIT = /\d/;
+var HEX_START = /^(0x|0X)/;
+var OCT = /^[0-7]+$/;
+var DEC = /^\d+$/;
+var HEX = /^[\dA-Fa-f]+$/;
+// eslint-disable-next-line no-control-regex
+var FORBIDDEN_HOST_CODE_POINT = /[\u0000\u0009\u000A\u000D #%/:?@[\\]]/;
+// eslint-disable-next-line no-control-regex
+var FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\u0000\u0009\u000A\u000D #/:?@[\\]]/;
+// eslint-disable-next-line no-control-regex
+var LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE = /^[\u0000-\u001F ]+|[\u0000-\u001F ]+$/g;
+// eslint-disable-next-line no-control-regex
+var TAB_AND_NEW_LINE = /[\u0009\u000A\u000D]/g;
+var EOF;
+
+var parseHost = function (url, input) {
+  var result, codePoints, index;
+  if (input.charAt(0) == '[') {
+    if (input.charAt(input.length - 1) != ']') return INVALID_HOST;
+    result = parseIPv6(input.slice(1, -1));
+    if (!result) return INVALID_HOST;
+    url.host = result;
+  // opaque host
+  } else if (!isSpecial(url)) {
+    if (FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT.test(input)) return INVALID_HOST;
+    result = '';
+    codePoints = arrayFrom(input);
+    for (index = 0; index < codePoints.length; index++) {
+      result += percentEncode(codePoints[index], C0ControlPercentEncodeSet);
+    }
+    url.host = result;
+  } else {
+    input = toASCII(input);
+    if (FORBIDDEN_HOST_CODE_POINT.test(input)) return INVALID_HOST;
+    result = parseIPv4(input);
+    if (result === null) return INVALID_HOST;
+    url.host = result;
+  }
+};
+
+var parseIPv4 = function (input) {
+  var parts = input.split('.');
+  var partsLength, numbers, index, part, radix, number, ipv4;
+  if (parts.length && parts[parts.length - 1] == '') {
+    parts.pop();
+  }
+  partsLength = parts.length;
+  if (partsLength > 4) return input;
+  numbers = [];
+  for (index = 0; index < partsLength; index++) {
+    part = parts[index];
+    if (part == '') return input;
+    radix = 10;
+    if (part.length > 1 && part.charAt(0) == '0') {
+      radix = HEX_START.test(part) ? 16 : 8;
+      part = part.slice(radix == 8 ? 1 : 2);
+    }
+    if (part === '') {
+      number = 0;
+    } else {
+      if (!(radix == 10 ? DEC : radix == 8 ? OCT : HEX).test(part)) return input;
+      number = parseInt(part, radix);
+    }
+    numbers.push(number);
+  }
+  for (index = 0; index < partsLength; index++) {
+    number = numbers[index];
+    if (index == partsLength - 1) {
+      if (number >= pow(256, 5 - partsLength)) return null;
+    } else if (number > 255) return null;
+  }
+  ipv4 = numbers.pop();
+  for (index = 0; index < numbers.length; index++) {
+    ipv4 += numbers[index] * pow(256, 3 - index);
+  }
+  return ipv4;
+};
+
+// eslint-disable-next-line max-statements
+var parseIPv6 = function (input) {
+  var address = [0, 0, 0, 0, 0, 0, 0, 0];
+  var pieceIndex = 0;
+  var compress = null;
+  var pointer = 0;
+  var value, length, numbersSeen, ipv4Piece, number, swaps, swap;
+
+  var char = function () {
+    return input.charAt(pointer);
+  };
+
+  if (char() == ':') {
+    if (input.charAt(1) != ':') return;
+    pointer += 2;
+    pieceIndex++;
+    compress = pieceIndex;
+  }
+  while (char()) {
+    if (pieceIndex == 8) return;
+    if (char() == ':') {
+      if (compress !== null) return;
+      pointer++;
+      pieceIndex++;
+      compress = pieceIndex;
+      continue;
+    }
+    value = length = 0;
+    while (length < 4 && HEX.test(char())) {
+      value = value * 16 + parseInt(char(), 16);
+      pointer++;
+      length++;
+    }
+    if (char() == '.') {
+      if (length == 0) return;
+      pointer -= length;
+      if (pieceIndex > 6) return;
+      numbersSeen = 0;
+      while (char()) {
+        ipv4Piece = null;
+        if (numbersSeen > 0) {
+          if (char() == '.' && numbersSeen < 4) pointer++;
+          else return;
+        }
+        if (!DIGIT.test(char())) return;
+        while (DIGIT.test(char())) {
+          number = parseInt(char(), 10);
+          if (ipv4Piece === null) ipv4Piece = number;
+          else if (ipv4Piece == 0) return;
+          else ipv4Piece = ipv4Piece * 10 + number;
+          if (ipv4Piece > 255) return;
+          pointer++;
+        }
+        address[pieceIndex] = address[pieceIndex] * 256 + ipv4Piece;
+        numbersSeen++;
+        if (numbersSeen == 2 || numbersSeen == 4) pieceIndex++;
+      }
+      if (numbersSeen != 4) return;
+      break;
+    } else if (char() == ':') {
+      pointer++;
+      if (!char()) return;
+    } else if (char()) return;
+    address[pieceIndex++] = value;
+  }
+  if (compress !== null) {
+    swaps = pieceIndex - compress;
+    pieceIndex = 7;
+    while (pieceIndex != 0 && swaps > 0) {
+      swap = address[pieceIndex];
+      address[pieceIndex--] = address[compress + swaps - 1];
+      address[compress + --swaps] = swap;
+    }
+  } else if (pieceIndex != 8) return;
+  return address;
+};
+
+var findLongestZeroSequence = function (ipv6) {
+  var maxIndex = null;
+  var maxLength = 1;
+  var currStart = null;
+  var currLength = 0;
+  var index = 0;
+  for (; index < 8; index++) {
+    if (ipv6[index] !== 0) {
+      if (currLength > maxLength) {
+        maxIndex = currStart;
+        maxLength = currLength;
+      }
+      currStart = null;
+      currLength = 0;
+    } else {
+      if (currStart === null) currStart = index;
+      ++currLength;
+    }
+  }
+  if (currLength > maxLength) {
+    maxIndex = currStart;
+    maxLength = currLength;
+  }
+  return maxIndex;
+};
+
+var serializeHost = function (host) {
+  var result, index, compress, ignore0;
+  // ipv4
+  if (typeof host == 'number') {
+    result = [];
+    for (index = 0; index < 4; index++) {
+      result.unshift(host % 256);
+      host = floor(host / 256);
+    } return result.join('.');
+  // ipv6
+  } else if (typeof host == 'object') {
+    result = '';
+    compress = findLongestZeroSequence(host);
+    for (index = 0; index < 8; index++) {
+      if (ignore0 && host[index] === 0) continue;
+      if (ignore0) ignore0 = false;
+      if (compress === index) {
+        result += index ? ':' : '::';
+        ignore0 = true;
+      } else {
+        result += host[index].toString(16);
+        if (index < 7) result += ':';
+      }
+    }
+    return '[' + result + ']';
+  } return host;
+};
+
+var C0ControlPercentEncodeSet = {};
+var fragmentPercentEncodeSet = assign({}, C0ControlPercentEncodeSet, {
+  ' ': 1, '"': 1, '<': 1, '>': 1, '`': 1
+});
+var pathPercentEncodeSet = assign({}, fragmentPercentEncodeSet, {
+  '#': 1, '?': 1, '{': 1, '}': 1
+});
+var userinfoPercentEncodeSet = assign({}, pathPercentEncodeSet, {
+  '/': 1, ':': 1, ';': 1, '=': 1, '@': 1, '[': 1, '\\': 1, ']': 1, '^': 1, '|': 1
+});
+
+var percentEncode = function (char, set) {
+  var code = codeAt(char, 0);
+  return code > 0x20 && code < 0x7F && !has(set, char) ? char : encodeURIComponent(char);
+};
+
+var specialSchemes = {
+  ftp: 21,
+  file: null,
+  http: 80,
+  https: 443,
+  ws: 80,
+  wss: 443
+};
+
+var isSpecial = function (url) {
+  return has(specialSchemes, url.scheme);
+};
+
+var includesCredentials = function (url) {
+  return url.username != '' || url.password != '';
+};
+
+var cannotHaveUsernamePasswordPort = function (url) {
+  return !url.host || url.cannotBeABaseURL || url.scheme == 'file';
+};
+
+var isWindowsDriveLetter = function (string, normalized) {
+  var second;
+  return string.length == 2 && ALPHA.test(string.charAt(0))
+    && ((second = string.charAt(1)) == ':' || (!normalized && second == '|'));
+};
+
+var startsWithWindowsDriveLetter = function (string) {
+  var third;
+  return string.length > 1 && isWindowsDriveLetter(string.slice(0, 2)) && (
+    string.length == 2 ||
+    ((third = string.charAt(2)) === '/' || third === '\\' || third === '?' || third === '#')
+  );
+};
+
+var shortenURLsPath = function (url) {
+  var path = url.path;
+  var pathSize = path.length;
+  if (pathSize && (url.scheme != 'file' || pathSize != 1 || !isWindowsDriveLetter(path[0], true))) {
+    path.pop();
+  }
+};
+
+var isSingleDot = function (segment) {
+  return segment === '.' || segment.toLowerCase() === '%2e';
+};
+
+var isDoubleDot = function (segment) {
+  segment = segment.toLowerCase();
+  return segment === '..' || segment === '%2e.' || segment === '.%2e' || segment === '%2e%2e';
+};
+
+// States:
+var SCHEME_START = {};
+var SCHEME = {};
+var NO_SCHEME = {};
+var SPECIAL_RELATIVE_OR_AUTHORITY = {};
+var PATH_OR_AUTHORITY = {};
+var RELATIVE = {};
+var RELATIVE_SLASH = {};
+var SPECIAL_AUTHORITY_SLASHES = {};
+var SPECIAL_AUTHORITY_IGNORE_SLASHES = {};
+var AUTHORITY = {};
+var HOST = {};
+var HOSTNAME = {};
+var PORT = {};
+var FILE = {};
+var FILE_SLASH = {};
+var FILE_HOST = {};
+var PATH_START = {};
+var PATH = {};
+var CANNOT_BE_A_BASE_URL_PATH = {};
+var QUERY = {};
+var FRAGMENT = {};
+
+// eslint-disable-next-line max-statements
+var parseURL = function (url, input, stateOverride, base) {
+  var state = stateOverride || SCHEME_START;
+  var pointer = 0;
+  var buffer = '';
+  var seenAt = false;
+  var seenBracket = false;
+  var seenPasswordToken = false;
+  var codePoints, char, bufferCodePoints, failure;
+
+  if (!stateOverride) {
+    url.scheme = '';
+    url.username = '';
+    url.password = '';
+    url.host = null;
+    url.port = null;
+    url.path = [];
+    url.query = null;
+    url.fragment = null;
+    url.cannotBeABaseURL = false;
+    input = input.replace(LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE, '');
+  }
+
+  input = input.replace(TAB_AND_NEW_LINE, '');
+
+  codePoints = arrayFrom(input);
+
+  while (pointer <= codePoints.length) {
+    char = codePoints[pointer];
+    switch (state) {
+      case SCHEME_START:
+        if (char && ALPHA.test(char)) {
+          buffer += char.toLowerCase();
+          state = SCHEME;
+        } else if (!stateOverride) {
+          state = NO_SCHEME;
+          continue;
+        } else return INVALID_SCHEME;
+        break;
+
+      case SCHEME:
+        if (char && (ALPHANUMERIC.test(char) || char == '+' || char == '-' || char == '.')) {
+          buffer += char.toLowerCase();
+        } else if (char == ':') {
+          if (stateOverride && (
+            (isSpecial(url) != has(specialSchemes, buffer)) ||
+            (buffer == 'file' && (includesCredentials(url) || url.port !== null)) ||
+            (url.scheme == 'file' && !url.host)
+          )) return;
+          url.scheme = buffer;
+          if (stateOverride) {
+            if (isSpecial(url) && specialSchemes[url.scheme] == url.port) url.port = null;
+            return;
+          }
+          buffer = '';
+          if (url.scheme == 'file') {
+            state = FILE;
+          } else if (isSpecial(url) && base && base.scheme == url.scheme) {
+            state = SPECIAL_RELATIVE_OR_AUTHORITY;
+          } else if (isSpecial(url)) {
+            state = SPECIAL_AUTHORITY_SLASHES;
+          } else if (codePoints[pointer + 1] == '/') {
+            state = PATH_OR_AUTHORITY;
+            pointer++;
+          } else {
+            url.cannotBeABaseURL = true;
+            url.path.push('');
+            state = CANNOT_BE_A_BASE_URL_PATH;
+          }
+        } else if (!stateOverride) {
+          buffer = '';
+          state = NO_SCHEME;
+          pointer = 0;
+          continue;
+        } else return INVALID_SCHEME;
+        break;
+
+      case NO_SCHEME:
+        if (!base || (base.cannotBeABaseURL && char != '#')) return INVALID_SCHEME;
+        if (base.cannotBeABaseURL && char == '#') {
+          url.scheme = base.scheme;
+          url.path = base.path.slice();
+          url.query = base.query;
+          url.fragment = '';
+          url.cannotBeABaseURL = true;
+          state = FRAGMENT;
+          break;
+        }
+        state = base.scheme == 'file' ? FILE : RELATIVE;
+        continue;
+
+      case SPECIAL_RELATIVE_OR_AUTHORITY:
+        if (char == '/' && codePoints[pointer + 1] == '/') {
+          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+          pointer++;
+        } else {
+          state = RELATIVE;
+          continue;
+        } break;
+
+      case PATH_OR_AUTHORITY:
+        if (char == '/') {
+          state = AUTHORITY;
+          break;
+        } else {
+          state = PATH;
+          continue;
+        }
+
+      case RELATIVE:
+        url.scheme = base.scheme;
+        if (char == EOF) {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          url.path = base.path.slice();
+          url.query = base.query;
+        } else if (char == '/' || (char == '\\' && isSpecial(url))) {
+          state = RELATIVE_SLASH;
+        } else if (char == '?') {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          url.path = base.path.slice();
+          url.query = '';
+          state = QUERY;
+        } else if (char == '#') {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          url.path = base.path.slice();
+          url.query = base.query;
+          url.fragment = '';
+          state = FRAGMENT;
+        } else {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          url.path = base.path.slice();
+          url.path.pop();
+          state = PATH;
+          continue;
+        } break;
+
+      case RELATIVE_SLASH:
+        if (isSpecial(url) && (char == '/' || char == '\\')) {
+          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+        } else if (char == '/') {
+          state = AUTHORITY;
+        } else {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          state = PATH;
+          continue;
+        } break;
+
+      case SPECIAL_AUTHORITY_SLASHES:
+        state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+        if (char != '/' || buffer.charAt(pointer + 1) != '/') continue;
+        pointer++;
+        break;
+
+      case SPECIAL_AUTHORITY_IGNORE_SLASHES:
+        if (char != '/' && char != '\\') {
+          state = AUTHORITY;
+          continue;
+        } break;
+
+      case AUTHORITY:
+        if (char == '@') {
+          if (seenAt) buffer = '%40' + buffer;
+          seenAt = true;
+          bufferCodePoints = arrayFrom(buffer);
+          for (var i = 0; i < bufferCodePoints.length; i++) {
+            var codePoint = bufferCodePoints[i];
+            if (codePoint == ':' && !seenPasswordToken) {
+              seenPasswordToken = true;
+              continue;
+            }
+            var encodedCodePoints = percentEncode(codePoint, userinfoPercentEncodeSet);
+            if (seenPasswordToken) url.password += encodedCodePoints;
+            else url.username += encodedCodePoints;
+          }
+          buffer = '';
+        } else if (
+          char == EOF || char == '/' || char == '?' || char == '#' ||
+          (char == '\\' && isSpecial(url))
+        ) {
+          if (seenAt && buffer == '') return INVALID_AUTHORITY;
+          pointer -= arrayFrom(buffer).length + 1;
+          buffer = '';
+          state = HOST;
+        } else buffer += char;
+        break;
+
+      case HOST:
+      case HOSTNAME:
+        if (stateOverride && url.scheme == 'file') {
+          state = FILE_HOST;
+          continue;
+        } else if (char == ':' && !seenBracket) {
+          if (buffer == '') return INVALID_HOST;
+          failure = parseHost(url, buffer);
+          if (failure) return failure;
+          buffer = '';
+          state = PORT;
+          if (stateOverride == HOSTNAME) return;
+        } else if (
+          char == EOF || char == '/' || char == '?' || char == '#' ||
+          (char == '\\' && isSpecial(url))
+        ) {
+          if (isSpecial(url) && buffer == '') return INVALID_HOST;
+          if (stateOverride && buffer == '' && (includesCredentials(url) || url.port !== null)) return;
+          failure = parseHost(url, buffer);
+          if (failure) return failure;
+          buffer = '';
+          state = PATH_START;
+          if (stateOverride) return;
+          continue;
+        } else {
+          if (char == '[') seenBracket = true;
+          else if (char == ']') seenBracket = false;
+          buffer += char;
+        } break;
+
+      case PORT:
+        if (DIGIT.test(char)) {
+          buffer += char;
+        } else if (
+          char == EOF || char == '/' || char == '?' || char == '#' ||
+          (char == '\\' && isSpecial(url)) ||
+          stateOverride
+        ) {
+          if (buffer != '') {
+            var port = parseInt(buffer, 10);
+            if (port > 0xFFFF) return INVALID_PORT;
+            url.port = (isSpecial(url) && port === specialSchemes[url.scheme]) ? null : port;
+            buffer = '';
+          }
+          if (stateOverride) return;
+          state = PATH_START;
+          continue;
+        } else return INVALID_PORT;
+        break;
+
+      case FILE:
+        url.scheme = 'file';
+        if (char == '/' || char == '\\') state = FILE_SLASH;
+        else if (base && base.scheme == 'file') {
+          if (char == EOF) {
+            url.host = base.host;
+            url.path = base.path.slice();
+            url.query = base.query;
+          } else if (char == '?') {
+            url.host = base.host;
+            url.path = base.path.slice();
+            url.query = '';
+            state = QUERY;
+          } else if (char == '#') {
+            url.host = base.host;
+            url.path = base.path.slice();
+            url.query = base.query;
+            url.fragment = '';
+            state = FRAGMENT;
+          } else {
+            if (!startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
+              url.host = base.host;
+              url.path = base.path.slice();
+              shortenURLsPath(url);
+            }
+            state = PATH;
+            continue;
+          }
+        } else {
+          state = PATH;
+          continue;
+        } break;
+
+      case FILE_SLASH:
+        if (char == '/' || char == '\\') {
+          state = FILE_HOST;
+          break;
+        }
+        if (base && base.scheme == 'file' && !startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
+          if (isWindowsDriveLetter(base.path[0], true)) url.path.push(base.path[0]);
+          else url.host = base.host;
+        }
+        state = PATH;
+        continue;
+
+      case FILE_HOST:
+        if (char == EOF || char == '/' || char == '\\' || char == '?' || char == '#') {
+          if (!stateOverride && isWindowsDriveLetter(buffer)) {
+            state = PATH;
+          } else if (buffer == '') {
+            url.host = '';
+            if (stateOverride) return;
+            state = PATH_START;
+          } else {
+            failure = parseHost(url, buffer);
+            if (failure) return failure;
+            if (url.host == 'localhost') url.host = '';
+            if (stateOverride) return;
+            buffer = '';
+            state = PATH_START;
+          } continue;
+        } else buffer += char;
+        break;
+
+      case PATH_START:
+        if (isSpecial(url)) {
+          state = PATH;
+          if (char != '/' && char != '\\') continue;
+        } else if (!stateOverride && char == '?') {
+          url.query = '';
+          state = QUERY;
+        } else if (!stateOverride && char == '#') {
+          url.fragment = '';
+          state = FRAGMENT;
+        } else if (char != EOF) {
+          state = PATH;
+          if (char != '/') continue;
+        } break;
+
+      case PATH:
+        if (
+          char == EOF || char == '/' ||
+          (char == '\\' && isSpecial(url)) ||
+          (!stateOverride && (char == '?' || char == '#'))
+        ) {
+          if (isDoubleDot(buffer)) {
+            shortenURLsPath(url);
+            if (char != '/' && !(char == '\\' && isSpecial(url))) {
+              url.path.push('');
+            }
+          } else if (isSingleDot(buffer)) {
+            if (char != '/' && !(char == '\\' && isSpecial(url))) {
+              url.path.push('');
+            }
+          } else {
+            if (url.scheme == 'file' && !url.path.length && isWindowsDriveLetter(buffer)) {
+              if (url.host) url.host = '';
+              buffer = buffer.charAt(0) + ':'; // normalize windows drive letter
+            }
+            url.path.push(buffer);
+          }
+          buffer = '';
+          if (url.scheme == 'file' && (char == EOF || char == '?' || char == '#')) {
+            while (url.path.length > 1 && url.path[0] === '') {
+              url.path.shift();
+            }
+          }
+          if (char == '?') {
+            url.query = '';
+            state = QUERY;
+          } else if (char == '#') {
+            url.fragment = '';
+            state = FRAGMENT;
+          }
+        } else {
+          buffer += percentEncode(char, pathPercentEncodeSet);
+        } break;
+
+      case CANNOT_BE_A_BASE_URL_PATH:
+        if (char == '?') {
+          url.query = '';
+          state = QUERY;
+        } else if (char == '#') {
+          url.fragment = '';
+          state = FRAGMENT;
+        } else if (char != EOF) {
+          url.path[0] += percentEncode(char, C0ControlPercentEncodeSet);
+        } break;
+
+      case QUERY:
+        if (!stateOverride && char == '#') {
+          url.fragment = '';
+          state = FRAGMENT;
+        } else if (char != EOF) {
+          if (char == "'" && isSpecial(url)) url.query += '%27';
+          else if (char == '#') url.query += '%23';
+          else url.query += percentEncode(char, C0ControlPercentEncodeSet);
+        } break;
+
+      case FRAGMENT:
+        if (char != EOF) url.fragment += percentEncode(char, fragmentPercentEncodeSet);
+        break;
+    }
+
+    pointer++;
+  }
+};
+
+// `URL` constructor
+// https://url.spec.whatwg.org/#url-class
+var URLConstructor = function URL(url /* , base */) {
+  var that = anInstance(this, URLConstructor, 'URL');
+  var base = arguments.length > 1 ? arguments[1] : undefined;
+  var urlString = String(url);
+  var state = setInternalState(that, { type: 'URL' });
+  var baseState, failure;
+  if (base !== undefined) {
+    if (base instanceof URLConstructor) baseState = getInternalURLState(base);
+    else {
+      failure = parseURL(baseState = {}, String(base));
+      if (failure) throw TypeError(failure);
+    }
+  }
+  failure = parseURL(state, urlString, null, baseState);
+  if (failure) throw TypeError(failure);
+  var searchParams = state.searchParams = new URLSearchParams();
+  var searchParamsState = getInternalSearchParamsState(searchParams);
+  searchParamsState.updateSearchParams(state.query);
+  searchParamsState.updateURL = function () {
+    state.query = String(searchParams) || null;
+  };
+  if (!DESCRIPTORS) {
+    that.href = serializeURL.call(that);
+    that.origin = getOrigin.call(that);
+    that.protocol = getProtocol.call(that);
+    that.username = getUsername.call(that);
+    that.password = getPassword.call(that);
+    that.host = getHost.call(that);
+    that.hostname = getHostname.call(that);
+    that.port = getPort.call(that);
+    that.pathname = getPathname.call(that);
+    that.search = getSearch.call(that);
+    that.searchParams = getSearchParams.call(that);
+    that.hash = getHash.call(that);
+  }
+};
+
+var URLPrototype = URLConstructor.prototype;
+
+var serializeURL = function () {
+  var url = getInternalURLState(this);
+  var scheme = url.scheme;
+  var username = url.username;
+  var password = url.password;
+  var host = url.host;
+  var port = url.port;
+  var path = url.path;
+  var query = url.query;
+  var fragment = url.fragment;
+  var output = scheme + ':';
+  if (host !== null) {
+    output += '//';
+    if (includesCredentials(url)) {
+      output += username + (password ? ':' + password : '') + '@';
+    }
+    output += serializeHost(host);
+    if (port !== null) output += ':' + port;
+  } else if (scheme == 'file') output += '//';
+  output += url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
+  if (query !== null) output += '?' + query;
+  if (fragment !== null) output += '#' + fragment;
+  return output;
+};
+
+var getOrigin = function () {
+  var url = getInternalURLState(this);
+  var scheme = url.scheme;
+  var port = url.port;
+  if (scheme == 'blob') try {
+    return new URL(scheme.path[0]).origin;
+  } catch (error) {
+    return 'null';
+  }
+  if (scheme == 'file' || !isSpecial(url)) return 'null';
+  return scheme + '://' + serializeHost(url.host) + (port !== null ? ':' + port : '');
+};
+
+var getProtocol = function () {
+  return getInternalURLState(this).scheme + ':';
+};
+
+var getUsername = function () {
+  return getInternalURLState(this).username;
+};
+
+var getPassword = function () {
+  return getInternalURLState(this).password;
+};
+
+var getHost = function () {
+  var url = getInternalURLState(this);
+  var host = url.host;
+  var port = url.port;
+  return host === null ? ''
+    : port === null ? serializeHost(host)
+    : serializeHost(host) + ':' + port;
+};
+
+var getHostname = function () {
+  var host = getInternalURLState(this).host;
+  return host === null ? '' : serializeHost(host);
+};
+
+var getPort = function () {
+  var port = getInternalURLState(this).port;
+  return port === null ? '' : String(port);
+};
+
+var getPathname = function () {
+  var url = getInternalURLState(this);
+  var path = url.path;
+  return url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
+};
+
+var getSearch = function () {
+  var query = getInternalURLState(this).query;
+  return query ? '?' + query : '';
+};
+
+var getSearchParams = function () {
+  return getInternalURLState(this).searchParams;
+};
+
+var getHash = function () {
+  var fragment = getInternalURLState(this).fragment;
+  return fragment ? '#' + fragment : '';
+};
+
+var accessorDescriptor = function (getter, setter) {
+  return { get: getter, set: setter, configurable: true, enumerable: true };
+};
+
+if (DESCRIPTORS) {
+  defineProperties(URLPrototype, {
+    // `URL.prototype.href` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-href
+    href: accessorDescriptor(serializeURL, function (href) {
+      var url = getInternalURLState(this);
+      var urlString = String(href);
+      var failure = parseURL(url, urlString);
+      if (failure) throw TypeError(failure);
+      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
+    }),
+    // `URL.prototype.origin` getter
+    // https://url.spec.whatwg.org/#dom-url-origin
+    origin: accessorDescriptor(getOrigin),
+    // `URL.prototype.protocol` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-protocol
+    protocol: accessorDescriptor(getProtocol, function (protocol) {
+      var url = getInternalURLState(this);
+      parseURL(url, String(protocol) + ':', SCHEME_START);
+    }),
+    // `URL.prototype.username` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-username
+    username: accessorDescriptor(getUsername, function (username) {
+      var url = getInternalURLState(this);
+      var codePoints = arrayFrom(String(username));
+      if (cannotHaveUsernamePasswordPort(url)) return;
+      url.username = '';
+      for (var i = 0; i < codePoints.length; i++) {
+        url.username += percentEncode(codePoints[i], userinfoPercentEncodeSet);
+      }
+    }),
+    // `URL.prototype.password` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-password
+    password: accessorDescriptor(getPassword, function (password) {
+      var url = getInternalURLState(this);
+      var codePoints = arrayFrom(String(password));
+      if (cannotHaveUsernamePasswordPort(url)) return;
+      url.password = '';
+      for (var i = 0; i < codePoints.length; i++) {
+        url.password += percentEncode(codePoints[i], userinfoPercentEncodeSet);
+      }
+    }),
+    // `URL.prototype.host` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-host
+    host: accessorDescriptor(getHost, function (host) {
+      var url = getInternalURLState(this);
+      if (url.cannotBeABaseURL) return;
+      parseURL(url, String(host), HOST);
+    }),
+    // `URL.prototype.hostname` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-hostname
+    hostname: accessorDescriptor(getHostname, function (hostname) {
+      var url = getInternalURLState(this);
+      if (url.cannotBeABaseURL) return;
+      parseURL(url, String(hostname), HOSTNAME);
+    }),
+    // `URL.prototype.port` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-port
+    port: accessorDescriptor(getPort, function (port) {
+      var url = getInternalURLState(this);
+      if (cannotHaveUsernamePasswordPort(url)) return;
+      port = String(port);
+      if (port == '') url.port = null;
+      else parseURL(url, port, PORT);
+    }),
+    // `URL.prototype.pathname` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-pathname
+    pathname: accessorDescriptor(getPathname, function (pathname) {
+      var url = getInternalURLState(this);
+      if (url.cannotBeABaseURL) return;
+      url.path = [];
+      parseURL(url, pathname + '', PATH_START);
+    }),
+    // `URL.prototype.search` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-search
+    search: accessorDescriptor(getSearch, function (search) {
+      var url = getInternalURLState(this);
+      search = String(search);
+      if (search == '') {
+        url.query = null;
+      } else {
+        if ('?' == search.charAt(0)) search = search.slice(1);
+        url.query = '';
+        parseURL(url, search, QUERY);
+      }
+      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
+    }),
+    // `URL.prototype.searchParams` getter
+    // https://url.spec.whatwg.org/#dom-url-searchparams
+    searchParams: accessorDescriptor(getSearchParams),
+    // `URL.prototype.hash` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-hash
+    hash: accessorDescriptor(getHash, function (hash) {
+      var url = getInternalURLState(this);
+      hash = String(hash);
+      if (hash == '') {
+        url.fragment = null;
+        return;
+      }
+      if ('#' == hash.charAt(0)) hash = hash.slice(1);
+      url.fragment = '';
+      parseURL(url, hash, FRAGMENT);
+    })
+  });
+}
+
+// `URL.prototype.toJSON` method
+// https://url.spec.whatwg.org/#dom-url-tojson
+redefine(URLPrototype, 'toJSON', function toJSON() {
+  return serializeURL.call(this);
+}, { enumerable: true });
+
+// `URL.prototype.toString` method
+// https://url.spec.whatwg.org/#URL-stringification-behavior
+redefine(URLPrototype, 'toString', function toString() {
+  return serializeURL.call(this);
+}, { enumerable: true });
+
+if (NativeURL) {
+  var nativeCreateObjectURL = NativeURL.createObjectURL;
+  var nativeRevokeObjectURL = NativeURL.revokeObjectURL;
+  // `URL.createObjectURL` method
+  // https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL
+  // eslint-disable-next-line no-unused-vars
+  if (nativeCreateObjectURL) redefine(URLConstructor, 'createObjectURL', function createObjectURL(blob) {
+    return nativeCreateObjectURL.apply(NativeURL, arguments);
+  });
+  // `URL.revokeObjectURL` method
+  // https://developer.mozilla.org/en-US/docs/Web/API/URL/revokeObjectURL
+  // eslint-disable-next-line no-unused-vars
+  if (nativeRevokeObjectURL) redefine(URLConstructor, 'revokeObjectURL', function revokeObjectURL(url) {
+    return nativeRevokeObjectURL.apply(NativeURL, arguments);
+  });
+}
+
+setToStringTag(URLConstructor, 'URL');
+
+$({ global: true, forced: !USE_NATIVE_URL, sham: !DESCRIPTORS }, {
+  URL: URLConstructor
+});
diff --git a/node_modules/core-js/modules/web.url.to-json.js b/node_modules/core-js/modules/web.url.to-json.js
new file mode 100644
index 0000000..7e38169
--- /dev/null
+++ b/node_modules/core-js/modules/web.url.to-json.js
@@ -0,0 +1,10 @@
+'use strict';
+var $ = require('../internals/export');
+
+// `URL.prototype.toJSON` method
+// https://url.spec.whatwg.org/#dom-url-tojson
+$({ target: 'URL', proto: true, enumerable: true }, {
+  toJSON: function toJSON() {
+    return URL.prototype.toString.call(this);
+  }
+});