mout/src/collection/filter.js

Modular Utilities

define(['./forEach', '../function/makeIterator_'], function (forEach, makeIterator) {

    /**
     * filter collection values, returns array.
     */
    function filter(list, iterator, thisObj) {
        iterator = makeIterator(iterator, thisObj);
        var results = [];
        if (!list) {
            return results;
        }
        forEach(list, function(value, index, list) {
            if (iterator(value, index, list)) {
                results[results.length] = value;
            }
        });
        return results;
    }

    return filter;

});