Rewriting Project

1 files changed, 102 insertions, 0 deletions

diff --git a/node_modules/core-js/internals/range-iterator.js b/node_modules/core-js/internals/range-iterator.js
new file mode 100644
index 0000000..0cddc24
--- /dev/null
+++ b/node_modules/core-js/internals/range-iterator.js
@@ -0,0 +1,102 @@
+'use strict';
+var InternalStateModule = require('../internals/internal-state');
+var createIteratorConstructor = require('../internals/create-iterator-constructor');
+var isObject = require('../internals/is-object');
+var defineProperties = require('../internals/object-define-properties');
+var DESCRIPTORS = require('../internals/descriptors');
+
+var INCORRECT_RANGE = 'Incorrect Number.range arguments';
+var RANGE_ITERATOR = 'RangeIterator';
+
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(RANGE_ITERATOR);
+
+var $RangeIterator = createIteratorConstructor(function RangeIterator(start, end, option, type, zero, one) {
+  if (typeof start != type || (end !== Infinity && end !== -Infinity && typeof end != type)) {
+    throw new TypeError(INCORRECT_RANGE);
+  }
+  if (start === Infinity || start === -Infinity) {
+    throw new RangeError(INCORRECT_RANGE);
+  }
+  var ifIncrease = end > start;
+  var inclusiveEnd = false;
+  var step;
+  if (option === undefined) {
+    step = undefined;
+  } else if (isObject(option)) {
+    step = option.step;
+    inclusiveEnd = !!option.inclusive;
+  } else if (typeof option == type) {
+    step = option;
+  } else {
+    throw new TypeError(INCORRECT_RANGE);
+  }
+  if (step == null) {
+    step = ifIncrease ? one : -one;
+  }
+  if (typeof step != type) {
+    throw new TypeError(INCORRECT_RANGE);
+  }
+  if (step === Infinity || step === -Infinity || (step === zero && start !== end)) {
+    throw new RangeError(INCORRECT_RANGE);
+  }
+  // eslint-disable-next-line no-self-compare
+  var hitsEnd = start != start || end != end || step != step || (end > start) !== (step > zero);
+  setInternalState(this, {
+    type: RANGE_ITERATOR,
+    start: start,
+    end: end,
+    step: step,
+    inclusiveEnd: inclusiveEnd,
+    hitsEnd: hitsEnd,
+    currentCount: zero,
+    zero: zero
+  });
+  if (!DESCRIPTORS) {
+    this.start = start;
+    this.end = end;
+    this.step = step;
+    this.inclusive = inclusiveEnd;
+  }
+}, RANGE_ITERATOR, function next() {
+  var state = getInternalState(this);
+  if (state.hitsEnd) return { value: undefined, done: true };
+  var start = state.start;
+  var end = state.end;
+  var step = state.step;
+  var currentYieldingValue = start + (step * state.currentCount++);
+  if (currentYieldingValue === end) state.hitsEnd = true;
+  var inclusiveEnd = state.inclusiveEnd;
+  var endCondition;
+  if (end > start) {
+    endCondition = inclusiveEnd ? currentYieldingValue > end : currentYieldingValue >= end;
+  } else {
+    endCondition = inclusiveEnd ? end > currentYieldingValue : end >= currentYieldingValue;
+  }
+  if (endCondition) {
+    return { value: undefined, done: state.hitsEnd = true };
+  } return { value: currentYieldingValue, done: false };
+});
+
+var getter = function (fn) {
+  return { get: fn, set: function () { /* empty */ }, configurable: true, enumerable: false };
+};
+
+if (DESCRIPTORS) {
+  defineProperties($RangeIterator.prototype, {
+    start: getter(function () {
+      return getInternalState(this).start;
+    }),
+    end: getter(function () {
+      return getInternalState(this).end;
+    }),
+    inclusive: getter(function () {
+      return getInternalState(this).inclusiveEnd;
+    }),
+    step: getter(function () {
+      return getInternalState(this).step;
+    })
+  });
+}
+
+module.exports = $RangeIterator;