*/function copy(source, destination, maxDepth) {  var stackSource = [];  var stackDest = [];  maxDepth = isValidObjectMaxDepth(maxDepth) ? maxDepth : NaN;   if (destination) {    if (isTypedArray(destination) || isArrayBuffer(destination)) {      throw ngMinErr('cpta', 'Can\'t copy! TypedArray destination cannot be mutated.');    }    if (source === destination) {      throw ngMinErr('cpi', 'Can\'t copy! Source and destination are identical.');    }     // Empty the destination object    if (isArray(destination)) {      destination.length = 0;    } else {      forEach(destination, function(value, key) {        if (key !== '$$hashKey') {          delete destination[key];        }      });    }     stackSource.push(source);    stackDest.push(destination);    return copyRecurse(source, destination, maxDepth);  }   return copyElement(source, maxDepth);   function copyRecurse(source, destination, maxDepth) {    maxDepth--;    if (maxDepth < 0) {      return '...';    }    var h = destination.$$hashKey;    var key;    if (isArray(source)) {      for (var i = 0, ii = source.length; i < ii; i++) {        destination.push(copyElement(source[i], maxDepth));      }    } else if (isBlankObject(source)) {      // createMap() fast path --- Safe to avoid hasOwnProperty check because prototype chain is empty      for (key in source) {        destination[key] = copyElement(source[key], maxDepth);      }    } else if (source && typeof source.hasOwnProperty === 'function') {      // Slow path, which must rely on hasOwnProperty      for (key in source) {        if (source.hasOwnProperty(key)) {          destination[key] = copyElement(source[key], maxDepth);        }      }    } else {      // Slowest path --- hasOwnProperty can't be called as a method      for (key in source) {        if (hasOwnProperty.call(source, key)) {          destination[key] = copyElement(source[key], maxDepth);        }      }    }    setHashKey(destination, h);    return destination;  }   function copyElement(source, maxDepth) {    // Simple values    if (!isObject(source)) {      return source;    }     // Already copied values    var index = stackSource.indexOf(source);    if (index !== -1) {      return stackDest[index];    }     if (isWindow(source) || isScope(source)) {      throw ngMinErr('cpws',        'Can\'t copy! Making copies of Window or Scope instances is not supported.');    }     var needsRecurse = false;    var destination = copyType(source);     if (destination === undefined) {      destination = isArray(source) ? [] : Object.create(getPrototypeOf(source));      needsRecurse = true;    }     stackSource.push(source);    stackDest.push(destination);     return needsRecurse      ? copyRecurse(source, destination, maxDepth)      : destination;  }   function copyType(source) {    switch (toString.call(source)) {      case '[object Int8Array]':      case '[object Int16Array]':      case '[object Int32Array]':      case '[object Float32Array]':      case '[object Float64Array]':      case '[object Uint8Array]':      case '[object Uint8ClampedArray]':      case '[object Uint16Array]':      case '[object Uint32Array]':        return new source.constructor(copyElement(source.buffer), source.byteOffset, source.length);       case '[object ArrayBuffer]':        // Support: IE10        if (!source.slice) {          // If we're in this case we know the environment supports ArrayBuffer          /* eslint-disable no-undef */          var copied = new ArrayBuffer(source.byteLength);          new Uint8Array(copied).set(new Uint8Array(source));          /* eslint-enable */          return copied;        }        return source.slice(0);       case '[object Boolean]':      case '[object Number]':      case '[object String]':      case '[object Date]':        return new source.constructor(source.valueOf());       case '[object RegExp]':        var re = new RegExp(source.source, source.toString().match(/[^/]*$/)[0]);        re.lastIndex = source.lastIndex;        return re;       case '[object Blob]':        return new source.constructor([source], {type: source.type});    }     if (isFunction(source.cloneNode)) {      return source.cloneNode(true);    }  }}  // eslint-disable-next-line no-self-comparefunction simpleCompare(a, b) { return a === b || (a !== a && b !== b); }  /** * @ngdoc function * @name angular.equals * @module ng * @kind function * * @description * Determines if two objects or two values are equivalent. Supports value types, regular * expressions, arrays and objects. * * Two objects or values are considered equivalent if at least one of the following is true: * * * Both objects or values pass `===` comparison. * * Both objects or values are of the same type and all of their properties are equal by *   comparing them with `angular.equals`. * * Both values are NaN. (In JavaScript, NaN == NaN => false. But we consider two NaN as equal) * * Both values represent the same regular expression (In JavaScript, *   /abc/ == /abc/ => false. But we consider two regular expressions as equal when their textual *   representation matches). * * During a property comparison, properties of `function` type and properties with names * that begin with `$` are ignored. * * Scope and DOMWindow objects are being compared only by identify (`===`). * * @param {*} o1 Object or value to compare. * @param {*} o2 Object or value to compare. * @returns {boolean} True if arguments are equal. * * @example   <example module="equalsExample" name="equalsExample">     <file name="index.html">      <div ng-controller="ExampleController">        <form novalidate>          <h3>User 1</h3>          Name: <input type="text" ng-model="user1.name">          Age: <input type="number" ng-model="user1.age">           <h3>User 2</h3>          Name: <input type="text" ng-model="user2.name">          Age: <input type="number" ng-model="user2.age">           <div>            <br/>            <input type="button" value="Compare" ng-click="compare()">          </div>          User 1: <pre>{{user1 | json}}</pre>          User 2: <pre>{{user2 | json}}</pre>          Equal: <pre>{{result}}</pre>        </form>      </div>    </file>    <file name="script.js">        angular.module('equalsExample', []).controller('ExampleController', ['$scope', function($scope) {          $scope.user1 = {};          $scope.user2 = {};          $scope.compare = function() {            $scope.result = angular.equals($scope.user1, $scope.user2);          };        }]);    </file>  </example> */function equals(o1, o2) {  if (o1 === o2) return true;  if (o1 === null || o2 === null) return false;  // eslint-disable-next-line no-self-compare  if (o1 !== o1 && o2 !== o2) return true; // NaN === NaN  var t1 = typeof o1, t2 = typeof o2, length, key, keySet;  if (t1 === t2 && t1 === 'object') {    if (isArray(o1)) {      if (!isArray(o2)) return false;      if ((length = o1.length) === o2.length) {        for (key = 0; key < length; key++) {          if (!equals(o1[key], o2[key])) return false;        }        return true;      }    } else if (isDate(o1)) {      if (!isDate(o2)) return false;      return simpleCompare(o1.getTime(), o2.getTime());    } else if (isRegExp(o1)) {      if (!isRegExp(o2)) return false;      return o1.toString() === o2.toString();    } else {      if (isScope(o1) || isScope(o2) || isWindow(o1) || isWindow(o2) ||        isArray(o2) || isDate(o2) || isRegExp(o2)) return false;      keySet = createMap();      for (key in o1) {        if (key.charAt(0) === '$' || isFunction(o1[key])) continue;        if (!equals(o1[key], o2[key])) return false;        keySet[key] = true;      }      for (key in o2) {        if (!(key in keySet) &&            key.charAt(0) !== '$' &&            isDefined(o2[key]) &&            !isFunction(o2[key])) return false;      }      return true;    }  }  return false;} var csp = function() {  if (!isDefined(csp.rules)) {      var ngCspElement = (window.document.querySelector('[ng-csp]') ||                    window.document.querySelector('[data-ng-csp]'));     if (ngCspElement) {      var ngCspAttribute = ngCspElement.getAttribute('ng-csp') ||                    ngCspElement.getAttribute('data-ng-csp');      csp.rules = {        noUnsafeEval: !ngCspAttribute || (ngCspAttribute.indexOf('no-unsafe-eval') !== -1),        noInlineStyle: !ngCspAttribute || (ngCspAttribute.indexOf('no-inline-style') !== -1)      };    } else {      csp.rules = {        noUnsafeEval: noUnsafeEval(),        noInlineStyle: false      };    }  }   return csp.rules;   function noUnsafeEval() {    try {      // eslint-disable-next-line no-new, no-new-func      new Function('');      return false;    } catch (e) {      return true;    }  }}; /** * @ngdoc directive * @module ng * @name ngJq * * @element ANY * @param {string=} ngJq the name of the library available under `window` * to be used for angular.element * @description * Use this directive to force the angular.element library.  This should be * used to force either jqLite by leaving ng-jq blank or setting the name of * the jquery variable under window (eg. jQuery). * * Since angular looks for this directive when it is loaded (doesn't wait for the * DOMContentLoaded event), it must be placed on an element that comes before the script * which loads angular. Also, only the first instance of `ng-jq` will be used and all * others ignored. * * @example * This example shows how to force jqLite using the `ngJq` directive to the `html` tag. ```html <!doctype html> <html ng-app ng-jq> ... ... </html> ``` * @example * This example shows how to use a jQuery based library of a different name. * The library name must be available at the top most 'window'. ```html <!doctype html> <html ng-app ng-jq="jQueryLib"> ... ... </html> ``` */var jq = function() {  if (isDefined(jq.name_)) return jq.name_;  var el;  var i, ii = ngAttrPrefixes.length, prefix, name;  for (i = 0; i < ii; ++i) {    prefix = ngAttrPrefixes[i];    el = window.document.querySelector('[' + prefix.replace(':', '\\:') + 'jq]');    if (el) {      name = el.getAttribute(prefix + 'jq');      break;    }  }   return (jq.name_ = name);}; function concat(array1, array2, index) {  return array1.concat(slice.call(array2, index));} function sliceArgs(args, startIndex) {  return slice.call(args, startIndex || 0);}  /** * @ngdoc function * @name angular.bind * @module ng * @kind function * * @description * Returns a function which calls function `fn` bound to `self` (`self` becomes the `this` for * `fn`). You can supply optional `args` that are prebound to the function. This feature is also * known as [partial application](http://en.wikipedia.org/wiki/Partial_application), as * distinguished from [function currying](http://en.wikipedia.org/wiki/Currying#Contrast_with_partial_function_application). * * @param {Object} self Context which `fn` should be evaluated in. * @param {function()} fn Function to be bound. * @param {...*} args Optional arguments to be prebound to the `fn` function call. * @returns {function()} Function that wraps the `fn` with all the specified bindings. */function bind(self, fn) {  var curryArgs = arguments.length > 2 ? sliceArgs(arguments, 2) : [];  if (isFunction(fn) && !(fn instanceof RegExp)) {    return curryArgs.length      ? function() {          return arguments.length            ? fn.apply(self, concat(curryArgs, arguments, 0))            : fn.apply(self, curryArgs);        }      : function() {          return arguments.length            ? fn.apply(self, arguments)            : fn.call(self);        };  } else {    // In IE, native methods are not functions so they cannot be bound (note: they don't need to be).    return fn;  }}  function toJsonReplacer(key, value) {  var val = value;   if (typeof key === 'string' && key.charAt(0) === '$' && key.charAt(1) === '$') {    val = undefined;  } else if (isWindow(value)) {    val = '$WINDOW';  } else if (value &&  window.document === value) {    val = '$DOCUMENT';  } else if (isScope(value)) {    val = '$SCOPE';  }   return val;}  /** * @ngdoc function * @name angular.toJson * @module ng * @kind function * * @description * Serializes input into a JSON-formatted string. Properties with leading $$ characters will be * stripped since angular uses this notation internally. * * @param {Object|Array|Date|string|number|boolean} obj Input to be serialized into JSON. * @param {boolean|number} [pretty=2] If set to true, the JSON output will contain newlines and whitespace. *    If set to an integer, the JSON output will contain that many spaces per indentation. * @returns {string|undefined} JSON-ified string representing `obj`. * @knownIssue * * The Safari browser throws a `RangeError` instead of returning `null` when it tries to stringify a `Date` * object with an invalid date value. The only reliable way to prevent this is to monkeypatch the * `Date.prototype.toJSON` method as follows: * * ``` * var _DatetoJSON = Date.prototype.toJSON; * Date.prototype.toJSON = function() { *   try { *     return _DatetoJSON.call(this); *   } catch(e) { *     if (e instanceof RangeError) { *       return null; *     } *     throw e; *   } * }; * ``` * * See https://github.com/angular/angular.js/pull/14221 for more information. */function toJson(obj, pretty) {  if (isUndefined(obj)) return undefined;  if (!isNumber(pretty)) {    pretty = pretty ? 2 : null;  }  return JSON.stringify(obj, toJsonReplacer, pretty);}  /** * @ngdoc function * @name angular.fromJson * @module ng * @kind function * * @description * Deserializes a JSON string. * * @param {string} json JSON string to deserialize. * @returns {Object|Array|string|number} Deserialized JSON string. */function fromJson(json) {  return isString(json)      ? JSON.parse(json)      : json;}  var ALL_COLONS = /:/g;function timezoneToOffset(timezone, fallback) {  // Support: IE 9-11 only, Edge 13-15+  // IE/Edge do not "understand" colon (`:`) in timezone  timezone = timezone.replace(ALL_COLONS, '');  var requestedTimezoneOffset = Date.parse('Jan 01, 1970 00:00:00 ' + timezone) / 60000;  return isNumberNaN(requestedTimezoneOffset) ? fallback : requestedTimezoneOffset;}  function addDateMinutes(date, minutes) {  date = new Date(date.getTime());  date.setMinutes(date.getMinutes() + minutes);  return date;}  function convertTimezoneToLocal(date, timezone, reverse) {  reverse = reverse ? -1 : 1;  var dateTimezoneOffset = date.getTimezoneOffset();  var timezoneOffset = timezoneToOffset(timezone, dateTimezoneOffset);  return addDateMinutes(date, reverse * (timezoneOffset - dateTimezoneOffset));}  /** * @returns {string} Returns the string representation of the element.

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