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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:
887 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 bind = require('../internals/function-bind-context');
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| 6 | var getMapIterator = require('../internals/get-map-iterator');
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| 7 | var iterate = require('../internals/iterate');
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| 8 |
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| 9 | // `Set.prototype.some` method
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| 10 | // https://github.com/tc39/proposal-collection-methods
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| 11 | $({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
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| 12 | some: function some(callbackfn /* , thisArg */) {
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| 13 | var map = anObject(this);
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| 14 | var iterator = getMapIterator(map);
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| 15 | var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
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| 16 | return iterate(iterator, function (key, value, stop) {
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| 17 | if (boundFunction(value, key, map)) return stop();
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| 18 | }, { AS_ENTRIES: true, IS_ITERATOR: true, INTERRUPTED: true }).stopped;
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| 19 | }
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| 20 | });
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