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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / core-js / internals / define-iterator.js
diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/define-iterator.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/define-iterator.js
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+'use strict';
+var $ = require('../internals/export');
+var createIteratorConstructor = require('../internals/create-iterator-constructor');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+var setPrototypeOf = require('../internals/object-set-prototype-of');
+var setToStringTag = require('../internals/set-to-string-tag');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var redefine = require('../internals/redefine');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var IS_PURE = require('../internals/is-pure');
+var Iterators = require('../internals/iterators');
+var IteratorsCore = require('../internals/iterators-core');
+
+var IteratorPrototype = IteratorsCore.IteratorPrototype;
+var BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;
+var ITERATOR = wellKnownSymbol('iterator');
+var KEYS = 'keys';
+var VALUES = 'values';
+var ENTRIES = 'entries';
+
+var returnThis = function () { return this; };
+
+module.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
+  createIteratorConstructor(IteratorConstructor, NAME, next);
+
+  var getIterationMethod = function (KIND) {
+    if (KIND === DEFAULT && defaultIterator) return defaultIterator;
+    if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype) return IterablePrototype[KIND];
+    switch (KIND) {
+      case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };
+      case VALUES: return function values() { return new IteratorConstructor(this, KIND); };
+      case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };
+    } return function () { return new IteratorConstructor(this); };
+  };
+
+  var TO_STRING_TAG = NAME + ' Iterator';
+  var INCORRECT_VALUES_NAME = false;
+  var IterablePrototype = Iterable.prototype;
+  var nativeIterator = IterablePrototype[ITERATOR]
+    || IterablePrototype['@@iterator']
+    || DEFAULT && IterablePrototype[DEFAULT];
+  var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);
+  var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
+  var CurrentIteratorPrototype, methods, KEY;
+
+  // fix native
+  if (anyNativeIterator) {
+    CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));
+    if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
+      if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {
+        if (setPrototypeOf) {
+          setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);
+        } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {
+          createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);
+        }
+      }
+      // Set @@toStringTag to native iterators
+      setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);
+      if (IS_PURE) Iterators[TO_STRING_TAG] = returnThis;
+    }
+  }
+
+  // fix Array#{values, @@iterator}.name in V8 / FF
+  if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
+    INCORRECT_VALUES_NAME = true;
+    defaultIterator = function values() { return nativeIterator.call(this); };
+  }
+
+  // define iterator
+  if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {
+    createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);
+  }
+  Iterators[NAME] = defaultIterator;
+
+  // export additional methods
+  if (DEFAULT) {
+    methods = {
+      values: getIterationMethod(VALUES),
+      keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
+      entries: getIterationMethod(ENTRIES)
+    };
+    if (FORCED) for (KEY in methods) {
+      if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
+        redefine(IterablePrototype, KEY, methods[KEY]);
+      }
+    } else $({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME }, methods);
+  }
+
+  return methods;
+};