44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
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var isArray = require('../lang/isArray');
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/**
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* The inverse of `_.pairs`; this method returns an object composed from arrays
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* of property names and values. Provide either a single two dimensional array,
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* e.g. `[[key1, value1], [key2, value2]]` or two arrays, one of property names
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* and one of corresponding values.
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*
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* @static
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* @memberOf _
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* @alias object
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* @category Array
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* @param {Array} props The property names.
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* @param {Array} [values=[]] The property values.
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* @returns {Object} Returns the new object.
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* @example
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*
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* _.zipObject([['fred', 30], ['barney', 40]]);
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* // => { 'fred': 30, 'barney': 40 }
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*
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* _.zipObject(['fred', 'barney'], [30, 40]);
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* // => { 'fred': 30, 'barney': 40 }
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*/
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function zipObject(props, values) {
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var index = -1,
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length = props ? props.length : 0,
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result = {};
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if (length && !values && !isArray(props[0])) {
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values = [];
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}
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while (++index < length) {
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var key = props[index];
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if (values) {
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result[key] = values[index];
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} else if (key) {
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result[key[0]] = key[1];
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}
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}
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return result;
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}
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module.exports = zipObject;
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