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node_modules/core-js/modules/es.map.get-or-insert-computed.js
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24
node_modules/core-js/modules/es.map.get-or-insert-computed.js
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'use strict';
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var $ = require('../internals/export');
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var aCallable = require('../internals/a-callable');
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var MapHelpers = require('../internals/map-helpers');
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var IS_PURE = require('../internals/is-pure');
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var get = MapHelpers.get;
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var has = MapHelpers.has;
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var set = MapHelpers.set;
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// `Map.prototype.getOrInsertComputed` method
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// https://tc39.es/ecma262/#sec-map.prototype.getorinsertcomputed
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$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
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getOrInsertComputed: function getOrInsertComputed(key, callbackfn) {
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var hasKey = has(this, key);
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aCallable(callbackfn);
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if (hasKey) return get(this, key);
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// CanonicalizeKeyedCollectionKey
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if (key === 0 && 1 / key === -Infinity) key = 0;
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var value = callbackfn(key);
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set(this, key, value);
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return value;
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}
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});
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