1 var isIterateeCall = require('./_isIterateeCall'),
2 rest = require('./rest');
5 * Creates a function like `_.assign`.
8 * @param {Function} assigner The function to assign values.
9 * @returns {Function} Returns the new assigner function.
11 function createAssigner(assigner) {
12 return rest(function(object, sources) {
14 length = sources.length,
15 customizer = length > 1 ? sources[length - 1] : undefined,
16 guard = length > 2 ? sources[2] : undefined;
18 customizer = typeof customizer == 'function' ? (length--, customizer) : undefined;
19 if (guard && isIterateeCall(sources[0], sources[1], guard)) {
20 customizer = length < 3 ? undefined : customizer;
23 object = Object(object);
24 while (++index < length) {
25 var source = sources[index];
27 assigner(object, source, index, customizer);
34 module.exports = createAssigner;