15 lines
229 B
JavaScript
15 lines
229 B
JavaScript
'use strict';
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module.exports = function (obj) {
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if (typeof obj !== 'object') {
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throw new TypeError('Expected an object');
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}
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var ret = {};
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for (var key in obj) {
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var val = obj[key];
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ret[val] = key;
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}
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return ret;
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};
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