Sha256: 7b12e40038429c9af2b68f438809a7cc08137cf25a2b56a190649f10c761fb64
Contents?: true
Size: 673 Bytes
Versions: 69
Compression:
Stored size: 673 Bytes
Contents
var isFunction = require('../lang/isFunction');
/**
* Creates an object that holds a lookup for the objects in the array.
*/
function toLookup(arr, key) {
var result = {};
if (arr == null) {
return result;
}
var i = -1, len = arr.length, value;
if (isFunction(key)) {
while (++i < len) {
value = arr[i];
result[key(value)] = value;
}
} else {
while (++i < len) {
value = arr[i];
result[value[key]] = value;
}
}
return result;
}
module.exports = toLookup;
Version data entries
69 entries across 69 versions & 2 rubygems