20 lines
739 B
JavaScript
20 lines
739 B
JavaScript
'use strict';
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var $ = require('../internals/export');
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var uncurryThis = require('../internals/function-uncurry-this');
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var IndexedObject = require('../internals/indexed-object');
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var toIndexedObject = require('../internals/to-indexed-object');
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var arrayMethodIsStrict = require('../internals/array-method-is-strict');
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var nativeJoin = uncurryThis([].join);
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var ES3_STRINGS = IndexedObject !== Object;
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var FORCED = ES3_STRINGS || !arrayMethodIsStrict('join', ',');
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// `Array.prototype.join` method
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// https://tc39.es/ecma262/#sec-array.prototype.join
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$({ target: 'Array', proto: true, forced: FORCED }, {
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join: function join(separator) {
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return nativeJoin(toIndexedObject(this), separator === undefined ? ',' : separator);
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}
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});
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