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| Current File : /var/www/html/infraai.ai/frontend/node_modules/core-js-pure/modules/es.iterator.constructor.js |
'use strict';
var $ = require('../internals/export');
var globalThis = require('../internals/global-this');
var anInstance = require('../internals/an-instance');
var anObject = require('../internals/an-object');
var isCallable = require('../internals/is-callable');
var getPrototypeOf = require('../internals/object-get-prototype-of');
var defineBuiltInAccessor = require('../internals/define-built-in-accessor');
var createProperty = require('../internals/create-property');
var fails = require('../internals/fails');
var hasOwn = require('../internals/has-own-property');
var wellKnownSymbol = require('../internals/well-known-symbol');
var IteratorPrototype = require('../internals/iterators-core').IteratorPrototype;
var DESCRIPTORS = require('../internals/descriptors');
var IS_PURE = require('../internals/is-pure');
var CONSTRUCTOR = 'constructor';
var ITERATOR = 'Iterator';
var TO_STRING_TAG = wellKnownSymbol('toStringTag');
var $TypeError = TypeError;
var NativeIterator = globalThis[ITERATOR];
// FF56- have non-standard global helper `Iterator`
var FORCED = IS_PURE
|| !isCallable(NativeIterator)
|| NativeIterator.prototype !== IteratorPrototype
// FF44- non-standard `Iterator` passes previous tests
|| !fails(function () { NativeIterator({}); });
var IteratorConstructor = function Iterator() {
anInstance(this, IteratorPrototype);
if (getPrototypeOf(this) === IteratorPrototype) throw new $TypeError('Abstract class Iterator not directly constructable');
};
var defineIteratorPrototypeAccessor = function (key, value) {
if (DESCRIPTORS) {
defineBuiltInAccessor(IteratorPrototype, key, {
configurable: true,
get: function () {
return value;
},
set: function (replacement) {
anObject(this);
if (this === IteratorPrototype) throw new $TypeError("You can't redefine this property");
if (hasOwn(this, key)) this[key] = replacement;
else createProperty(this, key, replacement);
}
});
} else IteratorPrototype[key] = value;
};
if (!hasOwn(IteratorPrototype, TO_STRING_TAG)) defineIteratorPrototypeAccessor(TO_STRING_TAG, ITERATOR);
if (FORCED || !hasOwn(IteratorPrototype, CONSTRUCTOR) || IteratorPrototype[CONSTRUCTOR] === Object) {
defineIteratorPrototypeAccessor(CONSTRUCTOR, IteratorConstructor);
}
IteratorConstructor.prototype = IteratorPrototype;
// `Iterator` constructor
// https://tc39.es/ecma262/#sec-iterator
$({ global: true, constructor: true, forced: FORCED }, {
Iterator: IteratorConstructor
});