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596 BJavaScriptView Raw
1/**
2 * The inverse of `_.toPairs`; this method returns an object composed
3 * from key-value `pairs`.
4 *
5 * @static
6 * @memberOf _
7 * @since 4.0.0
8 * @category Array
9 * @param {Array} pairs The key-value pairs.
10 * @returns {Object} Returns the new object.
11 * @example
12 *
13 * _.fromPairs([['a', 1], ['b', 2]]);
14 * // => { 'a': 1, 'b': 2 }
15 */
16function fromPairs(pairs) {
17 var index = -1,
18 length = pairs == null ? 0 : pairs.length,
19 result = {};
20
21 while (++index < length) {
22 var pair = pairs[index];
23 result[pair[0]] = pair[1];
24 }
25 return result;
26}
27
28module.exports = fromPairs;