angularjs-fuzzy-filter.js

'use strict';

/*
    IMPORTANT: requires Underscore.js (http://underscorejs.org)

    Usage: ng-repeat="item in items | fuzzyFilter: searchText"
*/

var app = angular.module('app', []);

app.filter('fuzzyFilter', function () {
    return function (items, searchText) {
        if (!searchText) {
            return items;
        }

        var searchWords = searchText.split(' ');

        return _.filter(items, function (item) {
            var itemValues = _.values(item);
            var itemText = itemValues.join(' ');
            var lowerCasedItemText = itemText.toLowerCase();

            return _.every(searchWords, function (searchWord) {
                var lowerCasedSearchWord = searchWord.toLowerCase();

                return lowerCasedItemText.search(lowerCasedSearchWord) !== -1;
            });
        });
    };
});