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Last change
on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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File size:
790 bytes
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| [6a3a178] | 1 | 'use strict';
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| 2 | var $ = require('../internals/export');
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| 3 | var IS_PURE = require('../internals/is-pure');
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| 4 | var anObject = require('../internals/an-object');
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| 5 | var aFunction = require('../internals/a-function');
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| 6 | var iterate = require('../internals/iterate');
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| 7 |
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| 8 | // `Map.prototype.merge` method
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| 9 | // https://github.com/tc39/proposal-collection-methods
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| 10 | $({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
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| 11 | // eslint-disable-next-line no-unused-vars -- required for `.length`
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| 12 | merge: function merge(iterable /* ...iterbles */) {
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| 13 | var map = anObject(this);
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| 14 | var setter = aFunction(map.set);
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| 15 | var argumentsLength = arguments.length;
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| 16 | var i = 0;
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| 17 | while (i < argumentsLength) {
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| 18 | iterate(arguments[i++], setter, { that: map, AS_ENTRIES: true });
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| 19 | }
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| 20 | return map;
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| 21 | }
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| 22 | });
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