19 lines
405 B
JavaScript
19 lines
405 B
JavaScript
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'use strict';
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module.exports = function flip() {
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var _this = this;
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var collection = {};
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if (Array.isArray(this.items)) {
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Object.keys(this.items).forEach(function (key) {
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collection[_this.items[key]] = Number(key);
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});
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} else {
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Object.keys(this.items).forEach(function (key) {
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collection[_this.items[key]] = key;
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});
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}
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return new this.constructor(collection);
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};
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