Rewriting Project

1 files changed, 99 insertions, 0 deletions

diff --git a/node_modules/core-js/internals/collection.js b/node_modules/core-js/internals/collection.js
new file mode 100644
index 0000000..4195771
--- /dev/null
+++ b/node_modules/core-js/internals/collection.js
@@ -0,0 +1,99 @@
+'use strict';
+var $ = require('../internals/export');
+var global = require('../internals/global');
+var isForced = require('../internals/is-forced');
+var redefine = require('../internals/redefine');
+var InternalMetadataModule = require('../internals/internal-metadata');
+var iterate = require('../internals/iterate');
+var anInstance = require('../internals/an-instance');
+var isObject = require('../internals/is-object');
+var fails = require('../internals/fails');
+var checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');
+var setToStringTag = require('../internals/set-to-string-tag');
+var inheritIfRequired = require('../internals/inherit-if-required');
+
+module.exports = function (CONSTRUCTOR_NAME, wrapper, common) {
+  var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;
+  var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;
+  var ADDER = IS_MAP ? 'set' : 'add';
+  var NativeConstructor = global[CONSTRUCTOR_NAME];
+  var NativePrototype = NativeConstructor && NativeConstructor.prototype;
+  var Constructor = NativeConstructor;
+  var exported = {};
+
+  var fixMethod = function (KEY) {
+    var nativeMethod = NativePrototype[KEY];
+    redefine(NativePrototype, KEY,
+      KEY == 'add' ? function add(value) {
+        nativeMethod.call(this, value === 0 ? 0 : value);
+        return this;
+      } : KEY == 'delete' ? function (key) {
+        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+      } : KEY == 'get' ? function get(key) {
+        return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);
+      } : KEY == 'has' ? function has(key) {
+        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+      } : function set(key, value) {
+        nativeMethod.call(this, key === 0 ? 0 : key, value);
+        return this;
+      }
+    );
+  };
+
+  // eslint-disable-next-line max-len
+  if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {
+    new NativeConstructor().entries().next();
+  })))) {
+    // create collection constructor
+    Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);
+    InternalMetadataModule.REQUIRED = true;
+  } else if (isForced(CONSTRUCTOR_NAME, true)) {
+    var instance = new Constructor();
+    // early implementations not supports chaining
+    var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
+    // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false
+    var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });
+    // most early implementations doesn't supports iterables, most modern - not close it correctly
+    // eslint-disable-next-line no-new
+    var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) { new NativeConstructor(iterable); });
+    // for early implementations -0 and +0 not the same
+    var BUGGY_ZERO = !IS_WEAK && fails(function () {
+      // V8 ~ Chromium 42- fails only with 5+ elements
+      var $instance = new NativeConstructor();
+      var index = 5;
+      while (index--) $instance[ADDER](index, index);
+      return !$instance.has(-0);
+    });
+
+    if (!ACCEPT_ITERABLES) {
+      Constructor = wrapper(function (dummy, iterable) {
+        anInstance(dummy, Constructor, CONSTRUCTOR_NAME);
+        var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);
+        if (iterable != undefined) iterate(iterable, that[ADDER], { that: that, AS_ENTRIES: IS_MAP });
+        return that;
+      });
+      Constructor.prototype = NativePrototype;
+      NativePrototype.constructor = Constructor;
+    }
+
+    if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
+      fixMethod('delete');
+      fixMethod('has');
+      IS_MAP && fixMethod('get');
+    }
+
+    if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);
+
+    // weak collections should not contains .clear method
+    if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;
+  }
+
+  exported[CONSTRUCTOR_NAME] = Constructor;
+  $({ global: true, forced: Constructor != NativeConstructor }, exported);
+
+  setToStringTag(Constructor, CONSTRUCTOR_NAME);
+
+  if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);
+
+  return Constructor;
+};