Function filterFilter

tools/ngui/static/js/lib/angular.js:9701–9782

* @ngdoc filter * @name ng.filter:filter * @function * * @description * Selects a subset of items from `array` and returns it as a new array. * * Note: This function is used to augment the `Array` type in Angular expressions. See * ng.$filter for more information about Angular arrays

()

   </doc:example>
 */
function filterFilter() {
  return function(array, expression) {
    if (!isArray(array)) return array;
    var predicates = [];
    predicates.check = function(value) {
      for (var j = 0; j < predicates.length; j++) {
        if(!predicates[j](value)) {
          return false;
        }
      }
      return true;
    };
    var search = function(obj, text){
      if (text.charAt(0) === '!') {
        return !search(obj, text.substr(1));
      }
      switch (typeof obj) {
        case "boolean":
        case "number":
        case "string":
          return ('' + obj).toLowerCase().indexOf(text) > -1;
        case "object":
          for ( var objKey in obj) {
            if (objKey.charAt(0) !== '$' && search(obj[objKey], text)) {
              return true;
            }
          }
          return false;
        case "array":
          for ( var i = 0; i < obj.length; i++) {
            if (search(obj[i], text)) {
              return true;
            }
          }
          return false;
        default:
          return false;
      }
    };
    switch (typeof expression) {
      case "boolean":
      case "number":
      case "string":
        expression = {$:expression};
      case "object":
        for (var key in expression) {
          if (key == '$') {
            (function() {
              var text = (''+expression[key]).toLowerCase();
              if (!text) return;
              predicates.push(function(value) {
                return search(value, text);
              });
            })();
          } else {
            (function() {
              var path = key;
              var text = (''+expression[key]).toLowerCase();