CVE-2020-5219 (published 2020-01-24T16:15Z)

Angular Expressions before version 1.0.1 has a remote code execution vulnerability if you call expressions.compile(userControlledInput) where userControlledInput is text that comes from user input. If running angular-expressions in the browser, an attacker could run any browser script when the application code calls expressions.compile(userControlledInput). If running angular-expressions on the server, an attacker could run any Javascript expression, thus gaining Remote Code Execution.

Severity: MEDIUM
CVSS v2 base score: 6.8 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS v3 base score: 8.8, HIGH (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Weakness information:
cwe_id: CWE-74
cwe_name: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
description: The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
extended_description: Software or other automated logic has certain assumptions about what constitutes data and control respectively. It is the lack of verification of these assumptions for user-controlled input that leads to injection problems. Injection problems encompass a wide variety of issues -- all mitigated in very different ways and usually attempted in order to alter the control flow of the process. For this reason, the most effective way to discuss these weaknesses is to note the distinct features that classify them as injection weaknesses. The most important issue to note is that all injection problems share one thing in common -- i.e., they allow for the injection of control plane data into the user-controlled data plane. This means that the execution of the process may be altered by sending code in through legitimate data channels, using no other mechanism. While buffer overflows, and many other flaws, involve the use of some further issue to gain execution, injection problems need only for the data to be parsed.
         

Fix information:
repo_url: https://github.com/peerigon/angular-expressions
commit_details: repo_url: https://github.com/peerigon/angular-expressions
author: Edgar HIPP
author_date: 2020-01-23 09:13:24+01:00
msg: Disallow access to prototype chain (CVE-2020-5219)
repository: repo_url: https://github.com/peerigon/angular-expressions
repo_name: peerigon/angular-expressions
description: Angular expressions as standalone module
repo_language: JavaScript
owner: peerigon
file_changes: filename: .editorconfig
change_type: ModificationType.ADD
diff: @@ -0,0 +1,13 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.js]
+charset = utf-8
+indent_style = tab
+
+[{.travis.yml,package.json}]
+indent_style = space
+indent_size = 2

programming_language: Haskell
filename: .eslintignore
change_type: ModificationType.MODIFY
diff: @@ -1,2 +1 @@
 node_modules
-lib/parse.js
\ No newline at end of file

programming_language: SQL
filename: .eslintrc
change_type: ModificationType.MODIFY
diff: @@ -1,8 +1,187 @@
 {
-    "extends": "peerigon/es5",
-    "root": true,
-    "env": {
-        "node": true,
-        "browser": true
-    }
+  "parserOptions" : {
+    "ecmaVersion": 7
+  },
+  "plugins": [],
+  "globals":{
+    "Promise": true,
+    "JQLite": true,
+    "JQLitePrototype": true,
+    "ArrayBuffer": true
+  },
+  "env": {
+    "node": true,
+    "browser": true,
+    "mocha": true
+  },
+  "rules": {
+    "accessor-pairs": 2,
+    "array-bracket-spacing": [2, "never"],
+    "arrow-parens": 0,
+    "arrow-spacing": [2, {"before": true, "after": true}],
+    "block-scoped-var": 2,
+    "block-spacing": [2, "always"],
+    "brace-style": 0,
+    "callback-return": 2,
+    "camelcase": [0 , {"properties": "never"}],
+    "comma-dangle": [0 , "always-multiline"],
+    "comma-spacing": [2, {"before": false, "after": true}],
+    "comma-style": [2, "last"],
+    "complexity": [2, 10],
+    "computed-property-spacing": [2, "never"],
+    "consistent-return": 0,
+    "consistent-this": [2, "self"],
+    "constructor-super": 2,
+    "curly": [2, "all"],
+    "default-case": 0,
+    "dot-location": [2, "property"],
+    "dot-notation": 2,
+    "eol-last": 2,
+    "eqeqeq": [2, "smart"],
+    "func-names": 0,
+    "func-style": [2, "declaration"],
+    "generator-star-spacing": [2, {"before": false, "after": true}],
+    "global-require": 0,
+    "guard-for-in": 2,
+    "handle-callback-err": 2,
+    "id-length": 0,
+    "id-match": 0,
+    "init-declarations": 0,
+    "key-spacing": [2, {"beforeColon": false, "afterColon": true, "mode": "strict"}],
+    "linebreak-style": 0,
+    "lines-around-comment": 0,
+    "max-nested-callbacks": 0,
+    "new-cap": [2, {
+      "newIsCapExceptions": ["Boom.badRequest", "Boom.forbidden", "Boom.unauthorized", "Boom.wrap"],
+      "capIsNewExceptions": ["squeeze.Squeeze"]
+    }],
+    "new-parens": 2,
+    "newline-after-var": 0,
+    "no-alert": 2,
+    "no-array-constructor": 2,
+    "no-caller": 2,
+    "no-catch-shadow": 0,
+    "no-class-assign": 2,
+    "no-console": 2,
+    "no-const-assign": 2,
+    "no-constant-condition": [2, {"checkLoops": false}],
+    "no-continue": 0,
+    "no-control-regex": 0,
+    "no-debugger": 2,
+    "no-delete-var": 2,
+    "no-div-regex": 2,
+    "no-dupe-args": 2,
+    "no-dupe-class-members": 2,
+    "no-dupe-keys": 2,
+    "no-duplicate-case": 2,
+    "no-else-return": 2,
+    "no-empty": 2,
+    "no-empty-character-class": 2,
+    "no-eval": 2,
+    "no-ex-assign": 2,
+    "no-extend-native": 2,
+    "no-extra-bind": 2,
+    "no-extra-boolean-cast": 2,
+    "no-extra-parens": [2, "functions"],
+    "no-extra-semi": 2,
+    "no-fallthrough": 2,
+    "no-floating-decimal": 2,
+    "no-func-assign": 2,
+    "no-implicit-coercion": 0,
+    "no-implied-eval": 2,
+    "no-inline-comments": 0,
+    "no-inner-declarations": 2,
+    "no-invalid-regexp": 2,
+    "no-irregular-whitespace": 2,
+    "no-iterator": 2,
+    "no-label-var": 2,
+    "no-labels": 0,
+    "no-lone-blocks": 2,
+    "no-lonely-if": 2,
+    "no-loop-func": 2,
+    "no-mixed-requires": 2,
+    "no-mixed-spaces-and-tabs": 0,
+    "no-multi-spaces": 2,
+    "no-multi-str": 2,
+    "no-multiple-empty-lines": [2, {"max": 1}],
+    "no-native-reassign": 2,
+    "no-negated-in-lhs": 2,
+    "no-new": 2,
+    "no-new-func": 2,
+    "no-new-object": 2,
+    "no-new-require": 2,
+    "no-new-wrappers": 2,
+    "no-obj-calls": 2,
+    "no-octal": 2,
+    "no-octal-escape": 2,
+    "no-param-reassign": 0,
+    "no-path-concat": 2,
+    "no-process-env": 2,
+    "no-process-exit": 2,
+    "no-proto": 2,
+    "no-redeclare": 2,
+    "no-regex-spaces": 2,
+    "no-restricted-modules": 0,
+    "no-restricted-syntax": 0,
+    "no-return-assign": 0,
+    "no-script-url": 2,
+    "no-self-compare": 2,
+    "no-sequences": 2,
+    "no-shadow": 0,
+    "no-shadow-restricted-names": 2,
+    "no-spaced-func": 2,
+    "no-sparse-arrays": 2,
+    "no-ternary": 0,
+    "no-this-before-super": 2,
+    "no-throw-literal": 2,
+    "no-trailing-spaces": 2,
+    "no-undef": 2,
+    "no-undef-init": 0,
+    "no-undefined": 0,
+    "no-underscore-dangle": 0,
+    "no-unexpected-multiline": 2,
+    "no-unneeded-ternary": 2,
+    "no-unreachable": 2,
+    "no-unused-expressions": 2,
+    "no-unused-vars": 2,
+    "no-use-before-define": [2, "nofunc"],
+    "no-useless-call": 2,
+    "no-useless-concat": 2,
+    "no-var": 0,
+    "no-void": 2,
+    "no-warning-comments": [2, {"terms": ["todo", "fixme"], "location": "anywhere"}],
+    "no-with": 2,
+    "object-curly-spacing": 0,
+    "object-shorthand": 0,
+    "one-var": 0,
+    "operator-assignment": [0, "always"],
+    "operator-linebreak": 0,
+    "padded-blocks": [2, "never"],
+    "prefer-arrow-callback": 0,
+    "prefer-const": 0,
+    "prefer-destructuring": [0, {
+       "AssignmentExpression": {
+        "array": true,
+        "object": false
+      }
+    }],
+    "prefer-reflect": 0,
+    "prefer-spread": 0,
+    "prefer-template": 0,
+    "quotes": [2, "double", {"avoidEscape":true}],
+    "quote-props": [2, "as-needed"],
+    "radix": 2,
+    "require-jsdoc": 0,
+    "require-yield": 2,
+    "semi": [2, "always"],
+    "semi-spacing": [2, {"before": false, "after": true}],
+    "sort-vars": 0,
+    "use-isnan": 2,
+    "valid-jsdoc": 0,
+    "valid-typeof": 2,
+    "vars-on-top": 0,
+    "wrap-iife": [2, "inside"],
+    "wrap-regex": 0,
+    "yoda": [2, "never"]
+  }
 }

programming_language: Jupyter Notebook
filename: README.md
change_type: ModificationType.MODIFY
diff: @@ -1,5 +1,6 @@
-angular-expressions
-===================
+**A security vulnerability has been found that affects all versions before 1.0.1. Please read this advisory https://github.com/peerigon/angular-expressions/security/advisories/GHSA-hxhm-96pp-2m43 for more information.**
+
+# angular-expressions
 
 **[angular's nicest part](https://github.com/angular/angular.js/blob/6b049c74ccc9ee19688bb9bbe504c300e61776dc/src/ng/parse.js) extracted as a standalone module for the browser and node.**
 
@@ -38,16 +39,13 @@ Check out [their readme](http://docs.angularjs.org/guide/expression) for further
 
 <br />
 
-Setup
------
+## Setup
 
 [![npm status](https://nodei.co/npm/angular-expressions.svg?downloads=true&stars=true&downloadRank=true)](https://npmjs.org/package/angular-expressions)
 
-
 <br />
 
-Filters
--------
+## Filters
 
 Angular provides a mechanism to define filters on expressions:
 
@@ -62,25 +60,24 @@ Arguments are evaluated against the scope:
 
 ```javascript
 expressions.filters.currency = (input, currency, digits) => {
-    input = input.toFixed(digits);
+  input = input.toFixed(digits);
 
-    if (currency === "EUR") {
-        return input + "€";
-    } else {
-        return input + "$";
-    }
+  if (currency === "EUR") {
+    return input + "€";
+  } else {
+    return input + "$";
+  }
 };
 
 expr = expressions.compile("1.2345 | currency:selectedCurrency:2");
 expr({
-    selectedCurrency: "EUR"
+  selectedCurrency: "EUR"
 }); // returns '1.23€'
 ```
 
 <br />
 
-API
-----
+## API
 
 ### exports
 
@@ -104,9 +101,9 @@ Example output of: `compile("tmp + 1").ast`
   constant: false }
 ```
 
-*NOTE* angular $parse do not export ast variable it's done by this library.
+_NOTE_ angular \$parse do not export ast variable it's done by this library.
 
-#### .compile.cache = {}
+#### .compile.cache = Object.create(null)
 
 A cache containing all compiled functions. The src is used as key. Set this on `false` to disable the cache.
 
@@ -122,34 +119,34 @@ The internal [Lexer](https://github.com/angular/angular.js/blob/6b049c74ccc9ee19
 
 The internal [Parser](https://github.com/angular/angular.js/blob/6b049c74ccc9ee19688bb9bbe504c300e61776dc/src/ng/parse.js#L390).
 
-----
+---
 
-### evaluate(scope?): *
+### evaluate(scope?): \*
 
 Evaluates the compiled `src` and returns the result of the expression. Property look-ups or assignments are executed on a given `scope`.
 
-### evaluate.assign(scope, value): *
+### evaluate.assign(scope, value): \*
 
 Tries to assign the given `value` to the result of the compiled expression on the given `scope` and returns the result of the assignment.
 
 <br />
 
-In the browser
---------------
+## In the browser
 
 There is no `dist` build because it's not 2005 anymore. Use a module bundler like [webpack](http://webpack.github.io/) or [browserify](http://browserify.org/). They're both capable of CommonJS and AMD.
 
 <br />
 
-Security
---------
+## Security
+
+The code of angular was not secured from reading prototype, and since version 1.0.1 of angular-expressions, the module disallows reading properties that are not ownProperties. See [this blog post](http://blog.angularjs.org/2016/09/angular-16-expression-sandbox-removal.html) for more details about the sandbox that got removed completely in angular 1.6.
 
 Comment from `angular.js/src/ng/parse.js`:
 
 ---
 
 Angular expressions are generally considered safe because these expressions only have direct
-access to $scope and locals. However, one can obtain the ability to execute arbitrary JS code by
+access to \$scope and locals. However, one can obtain the ability to execute arbitrary JS code by
 obtaining a reference to native JS functions such as the Function constructor.
 
 As an example, consider the following Angular expression:
@@ -180,16 +177,13 @@ window or some DOM object that has a reference to window is published onto a Sco
 
 <br />
 
+## Authorship
 
-Authorship
-----------
 Kudos go entirely to the great angular.js team, it's their implementation!
 
-
 <br />
 
-Contributing
-------------
+## Contributing
 
 Suggestions and bug-fixes are always appreciated. Don't hesitate to create an issue or pull-request. All contributed code should pass
 
@@ -198,12 +192,10 @@ Suggestions and bug-fixes are always appreciated. Don't hesitate to create an is
 
 <br />
 
-License
--------
+## License
 
 [Unlicense](http://unlicense.org/)
 
-Sponsors
--------
+## Sponsors
 
 [<img src="https://assets.peerigon.com/peerigon/logo/peerigon-logo-flat-spinat.png" width="150" />](https://peerigon.com)

programming_language: Markdown
filename: main.js
change_type: ModificationType.MODIFY
diff: @@ -6,24 +6,29 @@ var filters = {};
 var Lexer = parse.Lexer;
 var Parser = parse.Parser;
 var parserOptions = {
-    csp: false, // noUnsafeEval,
-    expensiveChecks: true,
-    literals: { // defined at: function $ParseProvider() {
-        true: true,
-        false: false,
-        null: null,
-        /*eslint no-undefined: 0*/
-        undefined: undefined
-        /* eslint: no-undefined: 1  */
-    }
-    //isIdentifierStart: undefined, //isFunction(identStart) && identStart,
-    //isIdentifierContinue: undefined //isFunction(identContinue) && identContinue
+	csp: false, // noUnsafeEval,
+	expensiveChecks: true,
+	literals: {
+		// defined at: function $ParseProvider() {
+		true: true,
+		false: false,
+		null: null,
+		/*eslint no-undefined: 0*/
+		undefined: undefined
+		/* eslint: no-undefined: 1  */
+	}
+	//isIdentifierStart: undefined, //isFunction(identStart) && identStart,
+	//isIdentifierContinue: undefined //isFunction(identContinue) && identContinue
 };
 
 var lexer = new Lexer({});
-var parser = new Parser(lexer, function getFilter(name) {
-    return filters[name];
-}, parserOptions);
+var parser = new Parser(
+	lexer,
+	function getFilter(name) {
+		return filters[name];
+	},
+	parserOptions
+);
 
 /**
  * Compiles src and returns a function that executes src on a target object.
@@ -33,22 +38,24 @@ var parser = new Parser(lexer, function getFilter(name) {
  * @returns {function}
  */
 function compile(src) {
-    var cached;
+	var cached;
 
-    if (typeof src !== "string") {
-        throw new TypeError("src must be a string, instead saw '" + typeof src + "'");
-    }
+	if (typeof src !== "string") {
+		throw new TypeError(
+			"src must be a string, instead saw '" + typeof src + "'"
+		);
+	}
 
-    if (!compile.cache) {
-        return parser.parse(src);
-    }
+	if (!compile.cache) {
+		return parser.parse(src);
+	}
 
-    cached = compile.cache[src];
-    if (!cached) {
-        cached = compile.cache[src] = parser.parse(src);
-    }
+	cached = compile.cache[src];
+	if (!cached) {
+		cached = compile.cache[src] = parser.parse(src);
+	}
 
-    return cached;
+	return cached;
 }
 
 /**
@@ -57,7 +64,7 @@ function compile(src) {
  *
  * @type {object}
  */
-compile.cache = {};
+compile.cache = Object.create(null);
 
 exports.Lexer = Lexer;
 exports.Parser = Parser;

programming_language: JavaScript
filename: parse.js
change_type: ModificationType.MODIFY
diff: @@ -34,11 +34,9 @@
 /*eslint no-multiple-empty-lines: 0*/
 /*eslint no-new: 0*/
 /*eslint no-unused-vars: 0*/
-'use strict';
+"use strict";
 
-var window = {document: {}};
-
-'use strict';
+var window = { document: {} };
 
 /* We need to tell ESLint what variables are being exported */
 /* exported
@@ -156,58 +154,83 @@ var window = {document: {}};
  * <div doc-module-components="ng"></div>
  */
 
+var NODE_TYPE_ELEMENT = 1;
+var NODE_TYPE_ATTRIBUTE = 2;
+var NODE_TYPE_TEXT = 3;
+var NODE_TYPE_COMMENT = 8;
+var NODE_TYPE_DOCUMENT = 9;
+var NODE_TYPE_DOCUMENT_FRAGMENT = 11;
 var REGEX_STRING_REGEXP = /^\/(.+)\/([a-z]*)$/;
 
 // The name of a form control's ValidityState property.
 // This is used so that it's possible for internal tests to create mock ValidityStates.
-var VALIDITY_STATE_PROPERTY = 'validity';
+var VALIDITY_STATE_PROPERTY = "validity";
 
 var hasOwnProperty = Object.prototype.hasOwnProperty;
 
-var lowercase = function(string) {return isString(string) ? string.toLowerCase() : string;};
-var uppercase = function(string) {return isString(string) ? string.toUpperCase() : string;};
+var lowercase = function(string) {
+	return isString(string) ? string.toLowerCase() : string;
+};
+var uppercase = function(string) {
+	return isString(string) ? string.toUpperCase() : string;
+};
+
+/**
+ * @ngdoc function
+ * @name angular.isArray
+ * @module ng
+ * @kind function
+ *
+ * @description
+ * Determines if a reference is an `Array`.
+ *
+ * @param {*} value Reference to check.
+ * @returns {boolean} True if `value` is an `Array`.
+ */
+var isArray = Array.isArray;
 
+var ngAttrPrefixes = ["ng-", "data-ng-", "ng:", "x-ng-"];
 
 var manualLowercase = function(s) {
-  /* eslint-disable no-bitwise */
-  return isString(s)
-      ? s.replace(/[A-Z]/g, function(ch) {return String.fromCharCode(ch.charCodeAt(0) | 32);})
-      : s;
-  /* eslint-enable */
+	/* eslint-disable no-bitwise */
+	return isString(s)
+		? s.replace(/[A-Z]/g, function(ch) {
+				return String.fromCharCode(ch.charCodeAt(0) | 32);
+		  })
+		: s;
+	/* eslint-enable */
 };
 var manualUppercase = function(s) {
-  /* eslint-disable no-bitwise */
-  return isString(s)
-      ? s.replace(/[a-z]/g, function(ch) {return String.fromCharCode(ch.charCodeAt(0) & ~32);})
-      : s;
-  /* eslint-enable */
+	/* eslint-disable no-bitwise */
+	return isString(s)
+		? s.replace(/[a-z]/g, function(ch) {
+				return String.fromCharCode(ch.charCodeAt(0) & ~32);
+		  })
+		: s;
+	/* eslint-enable */
 };
 
-
 // String#toLowerCase and String#toUpperCase don't produce correct results in browsers with Turkish
 // locale, for this reason we need to detect this case and redefine lowercase/uppercase methods
 // with correct but slower alternatives. See https://github.com/angular/angular.js/issues/11387
-if ('i' !== 'I'.toLowerCase()) {
-  lowercase = manualLowercase;
-  uppercase = manualUppercase;
+if ("i" !== "I".toLowerCase()) {
+	lowercase = manualLowercase;
+	uppercase = manualUppercase;
 }
 
-
-var
-    msie,             // holds major version number for IE, or NaN if UA is not IE.
-    jqLite,           // delay binding since jQuery could be loaded after us.
-    jQuery,           // delay binding
-    slice             = [].slice,
-    splice            = [].splice,
-    push              = [].push,
-    toString          = Object.prototype.toString,
-    getPrototypeOf    = Object.getPrototypeOf,
-    ngMinErr          = minErr('ng'),
-
-    /** @name angular */
-    angular           = window.angular || (window.angular = {}),
-    angularModule,
-    uid               = 0;
+var msie, // holds major version number for IE, or NaN if UA is not IE.
+	jqLite, // delay binding since jQuery could be loaded after us.
+	jQuery, // delay binding
+	slice = [].slice,
+	splice = [].splice,
+	push = [].push,
+	toString = Object.prototype.toString,
+	getPrototypeOf = Object.getPrototypeOf,
+	ngMinErr = minErr("ng"),
+	/** @name angular */
+	angular = window.angular || (window.angular = {}),
+	angularModule,
+	uid = 0;
 
 /**
  * documentMode is an IE-only property
@@ -215,7 +238,6 @@ var
  */
 msie = window.document.documentMode;
 
-
 /**
  * @private
  * @param {*} obj
@@ -223,25 +245,27 @@ msie = window.document.documentMode;
  *                   String ...)
  */
 function isArrayLike(obj) {
-
-  // `null`, `undefined` and `window` are not array-like
-  if (obj == null || isWindow(obj)) return false;
-
-  // arrays, strings and jQuery/jqLite objects are array like
-  // * jqLite is either the jQuery or jqLite constructor function
-  // * we have to check the existence of jqLite first as this method is called
-  //   via the forEach method when constructing the jqLite object in the first place
-  if (isArray(obj) || isString(obj) || (jqLite && obj instanceof jqLite)) return true;
-
-  // Support: iOS 8.2 (not reproducible in simulator)
-  // "length" in obj used to prevent JIT error (gh-11508)
-  var length = 'length' in Object(obj) && obj.length;
-
-  // NodeList objects (with `item` method) and
-  // other objects with suitable length characteristics are array-like
-  return isNumber(length) &&
-    (length >= 0 && ((length - 1) in obj || obj instanceof Array) || typeof obj.item === 'function');
-
+	// `null`, `undefined` and `window` are not array-like
+	if (obj == null || isWindow(obj)) return false;
+
+	// arrays, strings and jQuery/jqLite objects are array like
+	// * jqLite is either the jQuery or jqLite constructor function
+	// * we have to check the existence of jqLite first as this method is called
+	//   via the forEach method when constructing the jqLite object in the first place
+	if (isArray(obj) || isString(obj) || (jqLite && obj instanceof jqLite))
+		return true;
+
+	// Support: iOS 8.2 (not reproducible in simulator)
+	// "length" in obj used to prevent JIT error (gh-11508)
+	var length = "length" in Object(obj) && obj.length;
+
+	// NodeList objects (with `item` method) and
+	// other objects with suitable length characteristics are array-like
+	return (
+		isNumber(length) &&
+		((length >= 0 && (length - 1 in obj || obj instanceof Array)) ||
+			typeof obj.item === "function")
+	);
 }
 
 /**
@@ -280,63 +304,70 @@ function isArrayLike(obj) {
  */
 
 function forEach(obj, iterator, context) {
-  var key, length;
-  if (obj) {
-    if (isFunction(obj)) {
-      for (key in obj) {
-        if (key !== 'prototype' && key !== 'length' && key !== 'name' && obj.hasOwnProperty(key)) {
-          iterator.call(context, obj[key], key, obj);
-        }
-      }
-    } else if (isArray(obj) || isArrayLike(obj)) {
-      var isPrimitive = typeof obj !== 'object';
-      for (key = 0, length = obj.length; key < length; key++) {
-        if (isPrimitive || key in obj) {
-          iterator.call(context, obj[key], key, obj);
-        }
-      }
-    } else if (obj.forEach && obj.forEach !== forEach) {
-        obj.forEach(iterator, context, obj);
-    } else if (isBlankObject(obj)) {
-      // createMap() fast path --- Safe to avoid hasOwnProperty check because prototype chain is empty
-      for (key in obj) {
-        iterator.call(context, obj[key], key, obj);
-      }
-    } else if (typeof obj.hasOwnProperty === 'function') {
-      // Slow path for objects inheriting Object.prototype, hasOwnProperty check needed
-      for (key in obj) {
-        if (obj.hasOwnProperty(key)) {
-          iterator.call(context, obj[key], key, obj);
-        }
-      }
-    } else {
-      // Slow path for objects which do not have a method `hasOwnProperty`
-      for (key in obj) {
-        if (hasOwnProperty.call(obj, key)) {
-          iterator.call(context, obj[key], key, obj);
-        }
-      }
-    }
-  }
-  return obj;
+	var key, length;
+	if (obj) {
+		if (isFunction(obj)) {
+			for (key in obj) {
+				if (
+					key !== "prototype" &&
+					key !== "length" &&
+					key !== "name" &&
+					obj.hasOwnProperty(key)
+				) {
+					iterator.call(context, obj[key], key, obj);
+				}
+			}
+		} else if (isArray(obj) || isArrayLike(obj)) {
+			var isPrimitive = typeof obj !== "object";
+			for (key = 0, length = obj.length; key < length; key++) {
+				if (isPrimitive || key in obj) {
+					iterator.call(context, obj[key], key, obj);
+				}
+			}
+		} else if (obj.forEach && obj.forEach !== forEach) {
+			obj.forEach(iterator, context, obj);
+		} else if (isBlankObject(obj)) {
+			// createMap() fast path --- Safe to avoid hasOwnProperty check because prototype chain is empty
+			// eslint-disable-next-line guard-for-in
+			for (key in obj) {
+				iterator.call(context, obj[key], key, obj);
+			}
+		} else if (typeof obj.hasOwnProperty === "function") {
+			// Slow path for objects inheriting Object.prototype, hasOwnProperty check needed
+			for (key in obj) {
+				if (obj.hasOwnProperty(key)) {
+					iterator.call(context, obj[key], key, obj);
+				}
+			}
+		} else {
+			// Slow path for objects which do not have a method `hasOwnProperty`
+			for (key in obj) {
+				if (hasOwnProperty.call(obj, key)) {
+					iterator.call(context, obj[key], key, obj);
+				}
+			}
+		}
+	}
+	return obj;
 }
 
 function forEachSorted(obj, iterator, context) {
-  var keys = Object.keys(obj).sort();
-  for (var i = 0; i < keys.length; i++) {
-    iterator.call(context, obj[keys[i]], keys[i]);
-  }
-  return keys;
+	var keys = Object.keys(obj).sort();
+	for (var i = 0; i < keys.length; i++) {
+		iterator.call(context, obj[keys[i]], keys[i]);
+	}
+	return keys;
 }
 
-
 /**
  * when using forEach the params are value, key, but it is often useful to have key, value.
  * @param {function(string, *)} iteratorFn
  * @returns {function(*, string)}
  */
 function reverseParams(iteratorFn) {
-  return function(value, key) {iteratorFn(key, value);};
+	return function(value, key) {
+		iteratorFn(key, value);
+	};
 }
 
 /**
@@ -350,56 +381,54 @@ function reverseParams(iteratorFn) {
  * @returns {number} an unique alpha-numeric string
  */
 function nextUid() {
-  return ++uid;
+	return ++uid;
 }
 
-
 /**
  * Set or clear the hashkey for an object.
  * @param obj object
  * @param h the hashkey (!truthy to delete the hashkey)
  */
 function setHashKey(obj, h) {
-  if (h) {
-    obj.$$hashKey = h;
-  } else {
-    delete obj.$$hashKey;
-  }
+	if (h) {
+		obj.$$hashKey = h;
+	} else {
+		delete obj.$$hashKey;
+	}
 }
 
-
 function baseExtend(dst, objs, deep) {
-  var h = dst.$$hashKey;
-
-  for (var i = 0, ii = objs.length; i < ii; ++i) {
-    var obj = objs[i];
-    if (!isObject(obj) && !isFunction(obj)) continue;
-    var keys = Object.keys(obj);
-    for (var j = 0, jj = keys.length; j < jj; j++) {
-      var key = keys[j];
-      var src = obj[key];
-
-      if (deep && isObject(src)) {
-        if (isDate(src)) {
-          dst[key] = new Date(src.valueOf());
-        } else if (isRegExp(src)) {
-          dst[key] = new RegExp(src);
-        } else if (src.nodeName) {
-          dst[key] = src.cloneNode(true);
-        } else if (isElement(src)) {
-          dst[key] = src.clone();
-        } else {
-          if (!isObject(dst[key])) dst[key] = isArray(src) ? [] : {};
-          baseExtend(dst[key], [src], true);
-        }
-      } else {
-        dst[key] = src;
-      }
-    }
-  }
-
-  setHashKey(dst, h);
-  return dst;
+	var h = dst.$$hashKey;
+
+	for (var i = 0, ii = objs.length; i < ii; ++i) {
+		var obj = objs[i];
+		if (!isObject(obj) && !isFunction(obj)) continue;
+		var keys = Object.keys(obj);
+		for (var j = 0, jj = keys.length; j < jj; j++) {
+			var key = keys[j];
+			var src = obj[key];
+
+			if (deep && isObject(src)) {
+				if (isDate(src)) {
+					dst[key] = new Date(src.valueOf());
+				} else if (isRegExp(src)) {
+					dst[key] = new RegExp(src);
+				} else if (src.nodeName) {
+					dst[key] = src.cloneNode(true);
+				} else if (isElement(src)) {
+					dst[key] = src.clone();
+				} else {
+					if (!isObject(dst[key])) dst[key] = isArray(src) ? [] : {};
+					baseExtend(dst[key], [src], true);
+				}
+			} else {
+				dst[key] = src;
+			}
+		}
+	}
+
+	setHashKey(dst, h);
+	return dst;
 }
 
 /**
@@ -421,46 +450,44 @@ function baseExtend(dst, objs, deep) {
  * @returns {Object} Reference to `dst`.
  */
 function extend(dst) {
-  return baseExtend(dst, slice.call(arguments, 1), false);
+	return baseExtend(dst, slice.call(arguments, 1), false);
 }
 
-
 /**
-* @ngdoc function
-* @name angular.merge
-* @module ng
-* @kind function
-*
-* @description
-* Deeply extends the destination object `dst` by copying own enumerable properties from the `src` object(s)
-* to `dst`. You can specify multiple `src` objects. If you want to preserve original objects, you can do so
-* by passing an empty object as the target: `var object = angular.merge({}, object1, object2)`.
-*
-* Unlike {@link angular.extend extend()}, `merge()` recursively descends into object properties of source
-* objects, performing a deep copy.
-*
-* @param {Object} dst Destination object.
-* @param {...Object} src Source object(s).
-* @returns {Object} Reference to `dst`.
-*/
+ * @ngdoc function
+ * @name angular.merge
+ * @module ng
+ * @kind function
+ *
+ * @description
+ * Deeply extends the destination object `dst` by copying own enumerable properties from the `src` object(s)
+ * to `dst`. You can specify multiple `src` objects. If you want to preserve original objects, you can do so
+ * by passing an empty object as the target: `var object = angular.merge({}, object1, object2)`.
+ *
+ * Unlike {@link angular.extend extend()}, `merge()` recursively descends into object properties of source
+ * objects, performing a deep copy.
+ *
+ * @param {Object} dst Destination object.
+ * @param {...Object} src Source object(s).
+ * @returns {Object} Reference to `dst`.
+ */
 function merge(dst) {
-  return baseExtend(dst, slice.call(arguments, 1), true);
+	return baseExtend(dst, slice.call(arguments, 1), true);
 }
 
-
-
 function toInt(str) {
-  return parseInt(str, 10);
+	return parseInt(str, 10);
 }
 
-var isNumberNaN = Number.isNaN || function isNumberNaN(num) {
-  // eslint-disable-next-line no-self-compare
-  return num !== num;
-};
-
+var isNumberNaN =
+	Number.isNaN ||
+	function isNumberNaN(num) {
+		// eslint-disable-next-line no-self-compare
+		return num !== num;
+	};
 
 function inherit(parent, extra) {
-  return extend(Object.create(parent), extra);
+	return extend(Object.create(parent), extra);
 }
 
 /**
@@ -482,7 +509,6 @@ function inherit(parent, extra) {
 function noop() {}
 noop.$inject = [];
 
-
 /**
  * @ngdoc function
  * @name angular.identity
@@ -511,17 +537,21 @@ noop.$inject = [];
  * @param {*} value to be returned.
  * @returns {*} the value passed in.
  */
-function identity($) {return $;}
+function identity($) {
+	return $;
+}
 identity.$inject = [];
 
-
-function valueFn(value) {return function valueRef() {return value;};}
+function valueFn(value) {
+	return function valueRef() {
+		return value;
+	};
+}
 
 function hasCustomToString(obj) {
-  return isFunction(obj.toString) && obj.toString !== toString;
+	return isFunction(obj.toString) && obj.toString !== toString;
 }
 
-
 /**
  * @ngdoc function
  * @name angular.isUndefined
@@ -534,8 +564,9 @@ function hasCustomToString(obj) {
  * @param {*} value Reference to check.
  * @returns {boolean} True if `value` is undefined.
  */
-function isUndefined(value) {return typeof value === 'undefined';}
-
+function isUndefined(value) {
+	return typeof value === "undefined";
+}
 
 /**
  * @ngdoc function
@@ -549,8 +580,9 @@ function isUndefined(value) {return typeof value === 'undefined';}
  * @param {*} value Reference to check.
  * @returns {boolean} True if `value` is defined.
  */
-function isDefined(value) {return typeof value !== 'undefined';}
-
+function isDefined(value) {
+	return typeof value !== "undefined";
+}
 
 /**
  * @ngdoc function
@@ -566,21 +598,19 @@ function isDefined(value) {return typeof value !== 'undefined';}
  * @returns {boolean} True if `value` is an `Object` but not `null`.
  */
 function isObject(value) {
-  // http://jsperf.com/isobject4
-  return value !== null && typeof value === 'object';
+	// http://jsperf.com/isobject4
+	return value !== null && typeof value === "object";
 }
 
-
 /**
  * Determine if a value is an object with a null prototype
  *
  * @returns {boolean} True if `value` is an `Object` with a null prototype
  */
 function isBlankObject(value) {
-  return value !== null && typeof value === 'object' && !getPrototypeOf(value);
+	return value !== null && typeof value === "object" && !getPrototypeOf(value);
 }
 
-
 /**
  * @ngdoc function
  * @name angular.isString
@@ -593,8 +623,9 @@ function isBlankObject(value) {
  * @param {*} value Reference to check.
  * @returns {boolean} True if `value` is a `String`.
  */
-function isString(value) {return typeof value === 'string';}
-
+function isString(value) {
+	return typeof value === "string";
+}
 
 /**
  * @ngdoc function
@@ -614,8 +645,9 @@ function isString(value) {return typeof value === 'string';}
  * @param {*} value Reference to check.
  * @returns {boolean} True if `value` is a `Number`.
  */
-function isNumber(value) {return typeof value === 'number';}
-
+function isNumber(value) {
+	return typeof value === "number";
+}
 
 /**
  * @ngdoc function
@@ -630,24 +662,9 @@ function isNumber(value) {return typeof value === 'number';}
  * @returns {boolean} True if `value` is a `Date`.
  */
 function isDate(value) {
-  return toString.call(value) === '[object Date]';
+	return toString.call(value) === "[object Date]";
 }
 
-
-/**
- * @ngdoc function
- * @name angular.isArray
- * @module ng
- * @kind function
- *
- * @description
- * Determines if a reference is an `Array`.
- *
- * @param {*} value Reference to check.
- * @returns {boolean} True if `value` is an `Array`.
- */
-var isArray = Array.isArray;
-
 /**
  * @ngdoc function
  * @name angular.isFunction
@@ -660,8 +677,9 @@ var isArray = Array.isArray;
  * @param {*} value Reference to check.
  * @returns {boolean} True if `value` is a `Function`.
  */
-function isFunction(value) {return typeof value === 'function';}
-
+function isFunction(value) {
+	return typeof value === "function";
+}
 
 /**
  * Determines if a value is a regular expression object.
@@ -671,10 +689,9 @@ function isFunction(value) {return typeof value === 'function';}
  * @returns {boolean} True if `value` is a `RegExp`.
  */
 function isRegExp(value) {
-  return toString.call(value) === '[object RegExp]';
+	return toString.call(value) === "[object RegExp]";
 }
 
-
 /**
  * Checks if `obj` is a window object.
  *
@@ -683,65 +700,62 @@ function isRegExp(value) {
  * @returns {boolean} True if `obj` is a window obj.
  */
 function isWindow(obj) {
-  return obj && obj.window === obj;
+	return obj && obj.window === obj;
 }
 
-
 function isScope(obj) {
-  return obj && obj.$evalAsync && obj.$watch;
+	return obj && obj.$evalAsync && obj.$watch;
 }
 
-
 function isFile(obj) {
-  return toString.call(obj) === '[object File]';
+	return toString.call(obj) === "[object File]";
 }
 
-
 function isFormData(obj) {
-  return toString.call(obj) === '[object FormData]';
+	return toString.call(obj) === "[object FormData]";
 }
 
-
 function isBlob(obj) {
-  return toString.call(obj) === '[object Blob]';
+	return toString.call(obj) === "[object Blob]";
 }
 
-
 function isBoolean(value) {
-  return typeof value === 'boolean';
+	return typeof value === "boolean";
 }
 
-
 function isPromiseLike(obj) {
-  return obj && isFunction(obj.then);
+	return obj && isFunction(obj.then);
 }
 
-
 var TYPED_ARRAY_REGEXP = /^\[object (?:Uint8|Uint8Clamped|Uint16|Uint32|Int8|Int16|Int32|Float32|Float64)Array\]$/;
 function isTypedArray(value) {
-  return value && isNumber(value.length) && TYPED_ARRAY_REGEXP.test(toString.call(value));
+	return (
+		value &&
+		isNumber(value.length) &&
+		TYPED_ARRAY_REGEXP.test(toString.call(value))
+	);
 }
 
 function isArrayBuffer(obj) {
-  return toString.call(obj) === '[object ArrayBuffer]';
+	return toString.call(obj) === "[object ArrayBuffer]";
 }
 
-
 var trim = function(value) {
-  return isString(value) ? value.trim() : value;
+	return isString(value) ? value.trim() : value;
 };
 
 // Copied from:
 // http://docs.closure-library.googlecode.com/git/local_closure_goog_string_string.js.source.html#line1021
 // Prereq: s is a string.
 var escapeForRegexp = function(s) {
-  return s
-    .replace(/([-()\[\]{}+?*.$\^|,:#<!\\])/g, '\\$1')
-    // eslint-disable-next-line no-control-regex
-    .replace(/\x08/g, '\\x08');
+	return (
+		s
+			.replace(/([-()\[\]{}+?*.$\^|,:#<!\\])/g, "\\$1")
+			// eslint-disable-next-line no-control-regex
+			.replace(/\x08/g, "\\x08")
+	);
 };
 
-
 /**
  * @ngdoc function
  * @name angular.isElement
@@ -755,9 +769,11 @@ var escapeForRegexp = function(s) {
  * @returns {boolean} True if `value` is a DOM element (or wrapped jQuery element).
  */
 function isElement(node) {
-  return !!(node &&
-    (node.nodeName  // We are a direct element.
-    || (node.prop && node.attr && node.find)));  // We have an on and find method part of jQuery API.
+	return !!(
+		node &&
+		(node.nodeName || // We are a direct element.
+			(node.prop && node.attr && node.find))
+	); // We have an on and find method part of jQuery API.
 }
 
 /**
@@ -765,28 +781,29 @@ function isElement(node) {
  * @returns {object} in the form of {key1:true, key2:true, ...}
  */
 function makeMap(str) {
-  var obj = {}, items = str.split(','), i;
-  for (i = 0; i < items.length; i++) {
-    obj[items[i]] = true;
-  }
-  return obj;
+	var obj = {},
+		items = str.split(","),
+		i;
+	for (i = 0; i < items.length; i++) {
+		obj[items[i]] = true;
+	}
+	return obj;
 }
 
-
 function nodeName_(element) {
-  return lowercase(element.nodeName || (element[0] && element[0].nodeName));
+	return lowercase(element.nodeName || (element[0] && element[0].nodeName));
 }
 
 function includes(array, obj) {
-  return Array.prototype.indexOf.call(array, obj) !== -1;
+	return Array.prototype.indexOf.call(array, obj) !== -1;
 }
 
 function arrayRemove(array, value) {
-  var index = array.indexOf(value);
-  if (index >= 0) {
-    array.splice(index, 1);
-  }
-  return index;
+	var index = array.indexOf(value);
+	if (index >= 0) {
+		array.splice(index, 1);
+	}
+	return index;
 }
 
 /**
@@ -855,146 +872,161 @@ function arrayRemove(array, value) {
   </example>
  */
 function copy(source, destination) {
-  var stackSource = [];
-  var stackDest = [];
-
-  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 !== '$$hashKey') {
-          delete destination[key];
-        }
-      });
-    }
-
-    stackSource.push(source);
-    stackDest.push(destination);
-    return copyRecurse(source, destination);
-  }
-
-  return copyElement(source);
-
-  function copyRecurse(source, destination) {
-    var h = destination.$$hashKey;
-    var key;
-    if (isArray(source)) {
-      for (var i = 0, ii = source.length; i < ii; i++) {
-        destination.push(copyElement(source[i]));
-      }
-    } 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]);
-      }
-    } 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]);
-        }
-      }
-    } 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]);
-        }
-      }
-    }
-    setHashKey(destination, h);
-    return destination;
-  }
-
-  function copyElement(source) {
-    // 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)
-      : 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);
-    }
-  }
+	var stackSource = [];
+	var stackDest = [];
+
+	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 !== "$$hashKey") {
+					delete destination[key];
+				}
+			});
+		}
+
+		stackSource.push(source);
+		stackDest.push(destination);
+		return copyRecurse(source, destination);
+	}
+
+	return copyElement(source);
+
+	function copyRecurse(source, destination) {
+		var h = destination.$$hashKey;
+		var key;
+		if (isArray(source)) {
+			for (var i = 0, ii = source.length; i < ii; i++) {
+				destination.push(copyElement(source[i]));
+			}
+		} else if (isBlankObject(source)) {
+			// createMap() fast path --- Safe to avoid hasOwnProperty check because prototype chain is empty
+			// eslint-disable-next-line guard-for-in
+			for (key in source) {
+				destination[key] = copyElement(source[key]);
+			}
+		} 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]);
+				}
+			}
+		} 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]);
+				}
+			}
+		}
+		setHashKey(destination, h);
+		return destination;
+	}
+
+	function copyElement(source) {
+		// 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) : 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);
+		}
+	}
 }
 
-
 /**
  * @ngdoc function
  * @name angular.equals
@@ -1059,80 +1091,97 @@ function copy(source, destination) {
   </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 equals(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;
+	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 equals(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;
-    }
-  }
+	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;
+		}
+	}
 };
 
 /**
@@ -1174,30 +1223,34 @@ var csp = function() {
  ```
  */
 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);
+	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));
+	return array1.concat(slice.call(array2, index));
 }
 
 function sliceArgs(args, startIndex) {
-  return slice.call(args, startIndex || 0);
+	return slice.call(args, startIndex || 0);
 }
 
-
 /**
  * @ngdoc function
  * @name angular.bind
@@ -1215,44 +1268,45 @@ function sliceArgs(args, startIndex) {
  * @param {...*} args Optional arguments to be prebound to the `fn` function call.
  * @returns {function()} Function that wraps the `fn` with all the specified bindings.
  */
+// eslint-disable-next-line consistent-this
 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;
-  }
+	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 = '$SCOPE';
-  }
-
-  return val;
+	var val = value;
+
+	if (
+		typeof key === "string" &&
+		key.charAt(0) === "$" &&
+		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
@@ -1290,14 +1344,13 @@ function toJsonReplacer(key, value) {
  * 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);
+	if (isUndefined(obj)) return undefined;
+	if (!isNumber(pretty)) {
+		pretty = pretty ? 2 : null;
+	}
+	return JSON.stringify(obj, toJsonReplacer, pretty);
 }
 
-
 /**
  * @ngdoc function
  * @name angular.fromJson
@@ -1311,59 +1364,61 @@ function toJson(obj, pretty) {
  * @returns {Object|Array|string|number} Deserialized JSON string.
  */
 function fromJson(json) {
-  return isString(json)
-      ? JSON.parse(json)
-      : json;
+	return isString(json) ? JSON.parse(json) : json;
 }
 
-
 var ALL_COLONS = /:/g;
 function timezoneToOffset(timezone, fallback) {
-  // 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;
+	// 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;
+	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));
+	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.
  */
 function startingTag(element) {
-  element = jqLite(element).clone();
-  try {
-    // turns out IE does not let you set .html() on elements which
-    // are not allowed to have children. So we just ignore it.
-    element.empty();
-  } catch (e) { /* empty */ }
-  var elemHtml = jqLite('<div>').append(element).html();
-  try {
-    return element[0].nodeType === NODE_TYPE_TEXT ? lowercase(elemHtml) :
-        elemHtml.
-          match(/^(<[^>]+>)/)[1].
-          replace(/^<([\w\-]+)/, function(match, nodeName) {return '<' + lowercase(nodeName);});
-  } catch (e) {
-    return lowercase(elemHtml);
-  }
-
+	element = jqLite(element).clone();
+	try {
+		// turns out IE does not let you set .html() on elements which
+		// are not allowed to have children. So we just ignore it.
+		element.empty();
+	} catch (e) {
+		/* empty */
+	}
+	var elemHtml = jqLite("<div>")
+		.append(element)
+		.html();
+	try {
+		return element[0].nodeType === NODE_TYPE_TEXT
+			? lowercase(elemHtml)
+			: elemHtml
+					.match(/^(<[^>]+>)/)[1]
+					.replace(/^<([\w\-]+)/, function(match, nodeName) {
+						return "<" + lowercase(nodeName);
+					});
+	} catch (e) {
+		return lowercase(elemHtml);
+	}
 }
 
-
 /////////////////////////////////////////////////
 
 /**
@@ -1375,62 +1430,64 @@ function startingTag(element) {
  * with the decodeURIComponent function.
  */
 function tryDecodeURIComponent(value) {
-  try {
-    return decodeURIComponent(value);
-  } catch (e) {
-    // Ignore any invalid uri component.
-  }
+	try {
+		return decodeURIComponent(value);
+	} catch (e) {
+		// Ignore any invalid uri component.
+	}
 }
 
-
 /**
  * Parses an escaped url query string into key-value pairs.
  * @returns {Object.<string,boolean|Array>}
  */
-function parseKeyValue(/**string*/keyValue) {
-  var obj = {};
-  forEach((keyValue || '').split('&'), function(keyValue) {
-    var splitPoint, key, val;
-    if (keyValue) {
-      key = keyValue = keyValue.replace(/\+/g,'%20');
-      splitPoint = keyValue.indexOf('=');
-      if (splitPoint !== -1) {
-        key = keyValue.substring(0, splitPoint);
-        val = keyValue.substring(splitPoint + 1);
-      }
-      key = tryDecodeURIComponent(key);
-      if (isDefined(key)) {
-        val = isDefined(val) ? tryDecodeURIComponent(val) : true;
-        if (!hasOwnProperty.call(obj, key)) {
-          obj[key] = val;
-        } else if (isArray(obj[key])) {
-          obj[key].push(val);
-        } else {
-          obj[key] = [obj[key],val];
-        }
-      }
-    }
-  });
-  return obj;
+function parseKeyValue(/**string*/ keyValue) {
+	var obj = {};
+	forEach((keyValue || "").split("&"), function(keyValue) {
+		var splitPoint, key, val;
+		if (keyValue) {
+			key = keyValue = keyValue.replace(/\+/g, "%20");
+			splitPoint = keyValue.indexOf("=");
+			if (splitPoint !== -1) {
+				key = keyValue.substring(0, splitPoint);
+				val = keyValue.substring(splitPoint + 1);
+			}
+			key = tryDecodeURIComponent(key);
+			if (isDefined(key)) {
+				val = isDefined(val) ? tryDecodeURIComponent(val) : true;
+				if (!hasOwnProperty.call(obj, key)) {
+					obj[key] = val;
+				} else if (isArray(obj[key])) {
+					obj[key].push(val);
+				} else {
+					obj[key] = [obj[key], val];
+				}
+			}
+		}
+	});
+	return obj;
 }
 
 function toKeyValue(obj) {
-  var parts = [];
-  forEach(obj, function(value, key) {
-    if (isArray(value)) {
-      forEach(value, function(arrayValue) {
-        parts.push(encodeUriQuery(key, true) +
-                   (arrayValue === true ? '' : '=' + encodeUriQuery(arrayValue, true)));
-      });
-    } else {
-    parts.push(encodeUriQuery(key, true) +
-               (value === true ? '' : '=' + encodeUriQuery(value, true)));
-    }
-  });
-  return parts.length ? parts.join('&') : '';
+	var parts = [];
+	forEach(obj, function(value, key) {
+		if (isArray(value)) {
+			forEach(value, function(arrayValue) {
+				parts.push(
+					encodeUriQuery(key, true) +
+						(arrayValue === true ? "" : "=" + encodeUriQuery(arrayValue, true))
+				);
+			});
+		} else {
+			parts.push(
+				encodeUriQuery(key, true) +
+					(value === true ? "" : "=" + encodeUriQuery(value, true))
+			);
+		}
+	});
+	return parts.length ? parts.join("&") : "";
 }
 
-
 /**
  * We need our custom method because encodeURIComponent is too aggressive and doesn't follow
  * http://www.ietf.org/rfc/rfc3986.txt with regards to the character set (pchar) allowed in path
@@ -1443,13 +1500,12 @@ function toKeyValue(obj) {
  *                     / "*" / "+" / "," / ";" / "="
  */
 function encodeUriSegment(val) {
-  return encodeUriQuery(val, true).
-             replace(/%26/gi, '&').
-             replace(/%3D/gi, '=').
-             replace(/%2B/gi, '+');
+	return encodeUriQuery(val, true)
+		.replace(/%26/gi, "&")
+		.replace(/%3D/gi, "=")
+		.replace(/%2B/gi, "+");
 }
 
-
 /**
  * This method is intended for encoding *key* or *value* parts of query component. We need a custom
  * method because encodeURIComponent is too aggressive and encodes stuff that doesn't have to be
@@ -1462,43 +1518,45 @@ function encodeUriSegment(val) {
  *                     / "*" / "+" / "," / ";" / "="
  */
 function encodeUriQuery(val, pctEncodeSpaces) {
-  return encodeURIComponent(val).
-             replace(/%40/gi, '@').
-             replace(/%3A/gi, ':').
-             replace(/%24/g, '$').
-             replace(/%2C/gi, ',').
-             replace(/%3B/gi, ';').
-             replace(/%20/g, (pctEncodeSpaces ? '%20' : '+'));
+	return encodeURIComponent(val)
+		.replace(/%40/gi, "@")
+		.replace(/%3A/gi, ":")
+		.replace(/%24/g, "$")
+		.replace(/%2C/gi, ",")
+		.replace(/%3B/gi, ";")
+		.replace(/%20/g, pctEncodeSpaces ? "%20" : "+");
 }
 
-var ngAttrPrefixes = ['ng-', 'data-ng-', 'ng:', 'x-ng-'];
-
 function getNgAttribute(element, ngAttr) {
-  var attr, i, ii = ngAttrPrefixes.length;
-  for (i = 0; i < ii; ++i) {
-    attr = ngAttrPrefixes[i] + ngAttr;
-    if (isString(attr = element.getAttribute(attr))) {
-      return attr;
-    }
-  }
-  return null;
+	var attr,
+		i,
+		ii = ngAttrPrefixes.length;
+	for (i = 0; i < ii; ++i) {
+		attr = ngAttrPrefixes[i] + ngAttr;
+		if (isString((attr = element.getAttribute(attr)))) {
+			return attr;
+		}
+	}
+	return null;
 }
 
 function allowAutoBootstrap(document) {
-  if (!document.currentScript) {
-    return true;
-  }
-  var src = document.currentScript.getAttribute('src');
-  var link = document.createElement('a');
-  link.href = src;
-  var scriptProtocol = link.protocol;
-  var docLoadProtocol = document.location.protocol;
-  if ((scriptProtocol === 'resource:' ||
-       scriptProtocol === 'chrome-extension:') &&
-      docLoadProtocol !== scriptProtocol) {
-    return false;
-  }
-  return true;
+	if (!document.currentScript) {
+		return true;
+	}
+	var src = document.currentScript.getAttribute("src");
+	var link = document.createElement("a");
+	link.href = src;
+	var scriptProtocol = link.protocol;
+	var docLoadProtocol = document.location.protocol;
+	if (
+		(scriptProtocol === "resource:" ||
+			scriptProtocol === "chrome-extension:") &&
+		docLoadProtocol !== scriptProtocol
+	) {
+		return false;
+	}
+	return true;
 }
 
 // Cached as it has to run during loading so that document.currentScript is available.
@@ -1639,37 +1697,42 @@ var isAutoBootstrapAllowed = allowAutoBootstrap(window.document);
  </example>
  */
 function angularInit(element, bootstrap) {
-  var appElement,
-      module,
-      config = {};
-
-  // The element `element` has priority over any other element.
-  forEach(ngAttrPrefixes, function(prefix) {
-    var name = prefix + 'app';
-
-    if (!appElement && element.hasAttribute && element.hasAttribute(name)) {
-      appElement = element;
-      module = element.getAttribute(name);
-    }
-  });
-  forEach(ngAttrPrefixes, function(prefix) {
-    var name = prefix + 'app';
-    var candidate;
-
-    if (!appElement && (candidate = element.querySelector('[' + name.replace(':', '\\:') + ']'))) {
-      appElement = candidate;
-      module = candidate.getAttribute(name);
-    }
-  });
-  if (appElement) {
-    if (!isAutoBootstrapAllowed) {
-      window.console.error('Angular: disabling automatic bootstrap. <script> protocol indicates ' +
-          'an extension, document.location.href does not match.');
-      return;
-    }
-    config.strictDi = getNgAttribute(appElement, 'strict-di') !== null;
-    bootstrap(appElement, module ? [module] : [], config);
-  }
+	var appElement,
+		module,
+		config = {};
+
+	// The element `element` has priority over any other element.
+	forEach(ngAttrPrefixes, function(prefix) {
+		var name = prefix + "app";
+
+		if (!appElement && element.hasAttribute && element.hasAttribute(name)) {
+			appElement = element;
+			module = element.getAttribute(name);
+		}
+	});
+	forEach(ngAttrPrefixes, function(prefix) {
+		var name = prefix + "app";
+		var candidate;
+
+		if (
+			!appElement &&
+			(candidate = element.querySelector("[" + name.replace(":", "\\:") + "]"))
+		) {
+			appElement = candidate;
+			module = candidate.getAttribute(name);
+		}
+	});
+	if (appElement) {
+		if (!isAutoBootstrapAllowed) {
+			window.console.error(
+				"Angular: disabling automatic bootstrap. <script> protocol indicates " +
+					"an extension, document.location.href does not match."
+			);
+			return;
+		}
+		config.strictDi = getNgAttribute(appElement, "strict-di") !== null;
+		bootstrap(appElement, module ? [module] : [], config);
+	}
 }
 
 /**
@@ -1732,71 +1795,69 @@ function angularInit(element, bootstrap) {
  * @returns {auto.$injector} Returns the newly created injector for this app.
  */
 function bootstrap(element, modules, config) {
-  if (!isObject(config)) config = {};
-  var defaultConfig = {
-    strictDi: false
-  };
-  config = extend(defaultConfig, config);
-  var doBootstrap = function() {
-    element = jqLite(element);
-
-    if (element.injector()) {
-      var tag = (element[0] === window.document) ? 'document' : startingTag(element);
-      // Encode angle brackets to prevent input from being sanitized to empty string #8683.
-      throw ngMinErr(
-          'btstrpd',
-          'App already bootstrapped with this element \'{0}\'',
-          tag.replace(/</,'&lt;').replace(/>/,'&gt;'));
-    }
-
-    modules = modules || [];
-    modules.unshift(['$provide', function($provide) {
-      $provide.value('$rootElement', element);
-    }]);
-
-    if (config.debugInfoEnabled) {
-      // Pushing so that this overrides `debugInfoEnabled` setting defined in user's `modules`.
-      modules.push(['$compileProvider', function($compileProvider) {
-        $compileProvider.debugInfoEnabled(true);
-      }]);
-    }
-
-    modules.unshift('ng');
-    var injector = createInjector(modules, config.strictDi);
-    injector.invoke(['$rootScope', '$rootElement', '$compile', '$injector',
-       function bootstrapApply(scope, element, compile, injector) {
-        scope.$apply(function() {
-          element.data('$injector', injector);
-          compile(element)(scope);
-        });
-      }]
-    );
-    return injector;
-  };
-
-  var NG_ENABLE_DEBUG_INFO = /^NG_ENABLE_DEBUG_INFO!/;
-  var NG_DEFER_BOOTSTRAP = /^NG_DEFER_BOOTSTRAP!/;
-
-  if (window && NG_ENABLE_DEBUG_INFO.test(window.name)) {
-    config.debugInfoEnabled = true;
-    window.name = window.name.replace(NG_ENABLE_DEBUG_INFO, '');
-  }
-
-  if (window && !NG_DEFER_BOOTSTRAP.test(window.name)) {
-    return doBootstrap();
-  }
-
-  window.name = window.name.replace(NG_DEFER_BOOTSTRAP, '');
-  angular.resumeBootstrap = function(extraModules) {
-    forEach(extraModules, function(module) {
-      modules.push(module);
-    });
-    return doBootstrap();
-  };
-
-  if (isFunction(angular.resumeDeferredBootstrap)) {
-    angular.resumeDeferredBootstrap();
-  }
+	if (!isObject(config)) config = {};
+	var defaultConfig = {
+		strictDi: false
+	};
+	config = extend(defaultConfig, config);
+	var doBootstrap = function() {
+		element = jqLite(element);
+
+		if (element.injector()) {
+			var tag =
+				element[0] === window.document ? "document" : startingTag(element);
+			// Encode angle brackets to prevent input from being sanitized to empty string #8683.
+			throw ngMinErr(
+				"btstrpd",
+				"App already bootstrapped with this element '{0}'",
+				tag.replace(/</, "&lt;").replace(/>/, "&gt;")
+			);
+		}
+
+		modules = modules || [];
+		modules.unshift([
+			"$provide",
+			function($provide) {
+				$provide.value("$rootElement", element);
+			}
+		]);
+
+		if (config.debugInfoEnabled) {
+			// Pushing so that this overrides `debugInfoEnabled` setting defined in user's `modules`.
+			modules.push([
+				"$compileProvider",
+				function($compileProvider) {
+					$compileProvider.debugInfoEnabled(true);
+				}
+			]);
+		}
+
+		modules.unshift("ng");
+	};
+
+	var NG_ENABLE_DEBUG_INFO = /^NG_ENABLE_DEBUG_INFO!/;
+	var NG_DEFER_BOOTSTRAP = /^NG_DEFER_BOOTSTRAP!/;
+
+	if (window && NG_ENABLE_DEBUG_INFO.test(window.name)) {
+		config.debugInfoEnabled = true;
+		window.name = window.name.replace(NG_ENABLE_DEBUG_INFO, "");
+	}
+
+	if (window && !NG_DEFER_BOOTSTRAP.test(window.name)) {
+		return doBootstrap();
+	}
+
+	window.name = window.name.replace(NG_DEFER_BOOTSTRAP, "");
+	angular.resumeBootstrap = function(extraModules) {
+		forEach(extraModules, function(module) {
+			modules.push(module);
+		});
+		return doBootstrap();
+	};
+
+	if (isFunction(angular.resumeDeferredBootstrap)) {
+		angular.resumeDeferredBootstrap();
+	}
 }
 
 /**
@@ -1810,8 +1871,8 @@ function bootstrap(element, modules, config) {
  * See {@link ng.$compileProvider#debugInfoEnabled} for more.
  */
 function reloadWithDebugInfo() {
-  window.name = 'NG_ENABLE_DEBUG_INFO!' + window.name;
-  window.location.reload();
+	window.name = "NG_ENABLE_DEBUG_INFO!" + window.name;
+	window.location.reload();
 }
 
 /**
@@ -1823,92 +1884,107 @@ function reloadWithDebugInfo() {
  * @param {DOMElement} element DOM element which is the root of angular application.
  */
 function getTestability(rootElement) {
-  var injector = angular.element(rootElement).injector();
-  if (!injector) {
-    throw ngMinErr('test',
-      'no injector found for element argument to getTestability');
-  }
-  return injector.get('$$testability');
+	var injector = angular.element(rootElement).injector();
+	if (!injector) {
+		throw ngMinErr(
+			"test",
+			"no injector found for element argument to getTestability"
+		);
+	}
+	return injector.get("$$testability");
 }
 
 var SNAKE_CASE_REGEXP = /[A-Z]/g;
 function snake_case(name, separator) {
-  separator = separator || '_';
-  return name.replace(SNAKE_CASE_REGEXP, function(letter, pos) {
-    return (pos ? separator : '') + letter.toLowerCase();
-  });
+	separator = separator || "_";
+	return name.replace(SNAKE_CASE_REGEXP, function(letter, pos) {
+		return (pos ? separator : "") + letter.toLowerCase();
+	});
 }
 
 var bindJQueryFired = false;
 function bindJQuery() {
-  var originalCleanData;
-
-  if (bindJQueryFired) {
-    return;
-  }
-
-  // bind to jQuery if present;
-  var jqName = jq();
-  jQuery = isUndefined(jqName) ? window.jQuery :   // use jQuery (if present)
-           !jqName             ? undefined     :   // use jqLite
-                                 window[jqName];   // use jQuery specified by `ngJq`
-
-  // Use jQuery if it exists with proper functionality, otherwise default to us.
-  // Angular 1.2+ requires jQuery 1.7+ for on()/off() support.
-  // Angular 1.3+ technically requires at least jQuery 2.1+ but it may work with older
-  // versions. It will not work for sure with jQuery <1.7, though.
-  if (jQuery && jQuery.fn.on) {
-    jqLite = jQuery;
-    extend(jQuery.fn, {
-      scope: JQLitePrototype.scope,
-      isolateScope: JQLitePrototype.isolateScope,
-      controller: JQLitePrototype.controller,
-      injector: JQLitePrototype.injector,
-      inheritedData: JQLitePrototype.inheritedData
-    });
-
-    // All nodes removed from the DOM via various jQuery APIs like .remove()
-    // are passed through jQuery.cleanData. Monkey-patch this method to fire
-    // the $destroy event on all removed nodes.
-    originalCleanData = jQuery.cleanData;
-    jQuery.cleanData = function(elems) {
-      var events;
-      for (var i = 0, elem; (elem = elems[i]) != null; i++) {
-        events = jQuery._data(elem, 'events');
-        if (events && events.$destroy) {
-          jQuery(elem).triggerHandler('$destroy');
-        }
-      }
-      originalCleanData(elems);
-    };
-  } else {
-    jqLite = JQLite;
-  }
-
-  angular.element = jqLite;
-
-  // Prevent double-proxying.
-  bindJQueryFired = true;
+	var originalCleanData;
+
+	if (bindJQueryFired) {
+		return;
+	}
+
+	// bind to jQuery if present;
+	var jqName = jq();
+	jQuery = isUndefined(jqName)
+		? window.jQuery // use jQuery (if present)
+		: !jqName
+		? undefined // use jqLite
+		: window[jqName]; // use jQuery specified by `ngJq`
+
+	// Use jQuery if it exists with proper functionality, otherwise default to us.
+	// Angular 1.2+ requires jQuery 1.7+ for on()/off() support.
+	// Angular 1.3+ technically requires at least jQuery 2.1+ but it may work with older
+	// versions. It will not work for sure with jQuery <1.7, though.
+	if (jQuery && jQuery.fn.on) {
+		jqLite = jQuery;
+		extend(jQuery.fn, {
+			scope: JQLitePrototype.scope,
+			isolateScope: JQLitePrototype.isolateScope,
+			controller: JQLitePrototype.controller,
+			injector: JQLitePrototype.injector,
+			inheritedData: JQLitePrototype.inheritedData
+		});
+
+		// All nodes removed from the DOM via various jQuery APIs like .remove()
+		// are passed through jQuery.cleanData. Monkey-patch this method to fire
+		// the $destroy event on all removed nodes.
+		originalCleanData = jQuery.cleanData;
+		jQuery.cleanData = function(elems) {
+			var events;
+			for (var i = 0, elem; (elem = elems[i]) != null; i++) {
+				events = jQuery._data(elem, "events");
+				if (events && events.$destroy) {
+					jQuery(elem).triggerHandler("$destroy");
+				}
+			}
+			originalCleanData(elems);
+		};
+	} else {
+		jqLite = JQLite;
+	}
+
+	angular.element = jqLite;
+
+	// Prevent double-proxying.
+	bindJQueryFired = true;
 }
 
 /**
  * throw error if the argument is falsy.
  */
 function assertArg(arg, name, reason) {
-  if (!arg) {
-    throw ngMinErr('areq', 'Argument \'{0}\' is {1}', (name || '?'), (reason || 'required'));
-  }
-  return arg;
+	if (!arg) {
+		throw ngMinErr(
+			"areq",
+			"Argument '{0}' is {1}",
+			name || "?",
+			reason || "required"
+		);
+	}
+	return arg;
 }
 
 function assertArgFn(arg, name, acceptArrayAnnotation) {
-  if (acceptArrayAnnotation && isArray(arg)) {
-      arg = arg[arg.length - 1];
-  }
-
-  assertArg(isFunction(arg), name, 'not a function, got ' +
-      (arg && typeof arg === 'object' ? arg.constructor.name || 'Object' : typeof arg));
-  return arg;
+	if (acceptArrayAnnotation && isArray(arg)) {
+		arg = arg[arg.length - 1];
+	}
+
+	assertArg(
+		isFunction(arg),
+		name,
+		"not a function, got " +
+			(arg && typeof arg === "object"
+				? arg.constructor.name || "Object"
+				: typeof arg)
+	);
+	return arg;
 }
 
 /**
@@ -1917,9 +1993,13 @@ function assertArgFn(arg, name, acceptArrayAnnotation) {
  * @param  {String} context the context in which the name is used, such as module or directive
  */
 function assertNotHasOwnProperty(name, context) {
-  if (name === 'hasOwnProperty') {
-    throw ngMinErr('badname', 'hasOwnProperty is not a valid {0} name', context);
-  }
+	if (name === "hasOwnProperty") {
+		throw ngMinErr(
+			"badname",
+			"hasOwnProperty is not a valid {0} name",
+			context
+		);
+	}
 }
 
 /**
@@ -1931,22 +2011,22 @@ function assertNotHasOwnProperty(name, context) {
  */
 //TODO(misko): this function needs to be removed
 function getter(obj, path, bindFnToScope) {
-  if (!path) return obj;
-  var keys = path.split('.');
-  var key;
-  var lastInstance = obj;
-  var len = keys.length;
-
-  for (var i = 0; i < len; i++) {
-    key = keys[i];
-    if (obj) {
-      obj = (lastInstance = obj)[key];
-    }
-  }
-  if (!bindFnToScope && isFunction(obj)) {
-    return bind(lastInstance, obj);
-  }
-  return obj;
+	if (!path) return obj;
+	var keys = path.split(".");
+	var key;
+	var lastInstance = obj;
+	var len = keys.length;
+
+	for (var i = 0; i < len; i++) {
+		key = keys[i];
+		if (obj) {
+			obj = (lastInstance = obj)[key];
+		}
+	}
+	if (!bindFnToScope && isFunction(obj)) {
+		return bind(lastInstance, obj);
+	}
+	return obj;
 }
 
 /**
@@ -1955,24 +2035,23 @@ function getter(obj, path, bindFnToScope) {
  * @returns {Array} the inputted object or a jqLite collection containing the nodes
  */
 function getBlockNodes(nodes) {
-  // TODO(perf): update `nodes` instead of creating a new object?
-  var node = nodes[0];
-  var endNode = nodes[nodes.length - 1];
-  var blockNodes;
-
-  for (var i = 1; node !== endNode && (node = node.nextSibling); i++) {
-    if (blockNodes || nodes[i] !== node) {
-      if (!blockNodes) {
-        blockNodes = jqLite(slice.call(nodes, 0, i));
-      }
-      blockNodes.push(node);
-    }
-  }
-
-  return blockNodes || nodes;
+	// TODO(perf): update `nodes` instead of creating a new object?
+	var node = nodes[0];
+	var endNode = nodes[nodes.length - 1];
+	var blockNodes;
+
+	for (var i = 1; node !== endNode && (node = node.nextSibling); i++) {
+		if (blockNodes || nodes[i] !== node) {
+			if (!blockNodes) {
+				blockNodes = jqLite(slice.call(nodes, 0, i));
+			}
+			blockNodes.push(node);
+		}
+	}
+
+	return blockNodes || nodes;
 }
 
-
 /**
  * Creates a new object without a prototype. This object is useful for lookup without having to
  * guard against prototypically inherited properties via hasOwnProperty.
@@ -1985,66 +2064,57 @@ function getBlockNodes(nodes) {
  * @returns {Object}
  */
 function createMap() {
-  return Object.create(null);
+	return Object.create(null);
 }
 
 function stringify(value) {
-  if (value == null) { // null || undefined
-    return '';
-  }
-  switch (typeof value) {
-    case 'string':
-      break;
-    case 'number':
-      value = '' + value;
-      break;
-    default:
-      if (hasCustomToString(value) && !isArray(value) && !isDate(value)) {
-        value = value.toString();
-      } else {
-        value = toJson(value);
-      }
-  }
-
-  return value;
+	if (value == null) {
+		// null || undefined
+		return "";
+	}
+	switch (typeof value) {
+		case "string":
+			break;
+		case "number":
+			value = "" + value;
+			break;
+		default:
+			if (hasCustomToString(value) && !isArray(value) && !isDate(value)) {
+				value = value.toString();
+			} else {
+				value = toJson(value);
+			}
+	}
+
+	return value;
 }
 
-var NODE_TYPE_ELEMENT = 1;
-var NODE_TYPE_ATTRIBUTE = 2;
-var NODE_TYPE_TEXT = 3;
-var NODE_TYPE_COMMENT = 8;
-var NODE_TYPE_DOCUMENT = 9;
-var NODE_TYPE_DOCUMENT_FRAGMENT = 11;
-'use strict';
-
 /* global toDebugString: true */
 
 function serializeObject(obj) {
-  var seen = [];
+	var seen = [];
 
-  return JSON.stringify(obj, function(key, val) {
-    val = toJsonReplacer(key, val);
-    if (isObject(val)) {
+	return JSON.stringify(obj, function(key, val) {
+		val = toJsonReplacer(key, val);
+		if (isObject(val)) {
+			if (seen.indexOf(val) >= 0) return "...";
 
-      if (seen.indexOf(val) >= 0) return '...';
-
-      seen.push(val);
-    }
-    return val;
-  });
+			seen.push(val);
+		}
+		return val;
+	});
 }
 
 function toDebugString(obj) {
-  if (typeof obj === 'function') {
-    return obj.toString().replace(/ \{[\s\S]*$/, '');
-  } else if (isUndefined(obj)) {
-    return 'undefined';
-  } else if (typeof obj !== 'string') {
-    return serializeObject(obj);
-  }
-  return obj;
+	if (typeof obj === "function") {
+		return obj.toString().replace(/ \{[\s\S]*$/, "");
+	} else if (isUndefined(obj)) {
+		return "undefined";
+	} else if (typeof obj !== "string") {
+		return serializeObject(obj);
+	}
+	return obj;
 }
-'use strict';
 
 /**
  * @description
@@ -2077,39 +2147,49 @@ function toDebugString(obj) {
  */
 
 function minErr(module, ErrorConstructor) {
-  ErrorConstructor = ErrorConstructor || Error;
-  return function() {
-    var SKIP_INDEXES = 2;
-
-    var templateArgs = arguments,
-      code = templateArgs[0],
-      message = '[' + (module ? module + ':' : '') + code + '] ',
-      template = templateArgs[1],
-      paramPrefix, i;
-
-    message += template.replace(/\{\d+\}/g, function(match) {
-      var index = +match.slice(1, -1),
-        shiftedIndex = index + SKIP_INDEXES;
-
-      if (shiftedIndex < templateArgs.length) {
-        return toDebugString(templateArgs[shiftedIndex]);
-      }
-
-      return match;
-    });
-
-    message += '\nhttp://errors.angularjs.org/"NG_VERSION_FULL"/' +
-      (module ? module + '/' : '') + code;
-
-    for (i = SKIP_INDEXES, paramPrefix = '?'; i < templateArgs.length; i++, paramPrefix = '&') {
-      message += paramPrefix + 'p' + (i - SKIP_INDEXES) + '=' +
-        encodeURIComponent(toDebugString(templateArgs[i]));
-    }
-
-    return new ErrorConstructor(message);
-  };
+	ErrorConstructor = ErrorConstructor || Error;
+	return function() {
+		var SKIP_INDEXES = 2;
+
+		var templateArgs = arguments,
+			code = templateArgs[0],
+			message = "[" + (module ? module + ":" : "") + code + "] ",
+			template = templateArgs[1],
+			paramPrefix,
+			i;
+
+		message += template.replace(/\{\d+\}/g, function(match) {
+			var index = +match.slice(1, -1),
+				shiftedIndex = index + SKIP_INDEXES;
+
+			if (shiftedIndex < templateArgs.length) {
+				return toDebugString(templateArgs[shiftedIndex]);
+			}
+
+			return match;
+		});
+
+		message +=
+			'\nhttp://errors.angularjs.org/"NG_VERSION_FULL"/' +
+			(module ? module + "/" : "") +
+			code;
+
+		for (
+			i = SKIP_INDEXES, paramPrefix = "?";
+			i < templateArgs.length;
+			i++, paramPrefix = "&"
+		) {
+			message +=
+				paramPrefix +
+				"p" +
+				(i - SKIP_INDEXES) +
+				"=" +
+				encodeURIComponent(toDebugString(templateArgs[i]));
+		}
+
+		return new ErrorConstructor(message);
+	};
 }
-'use strict';
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  *     Any commits to this file should be reviewed with security in mind.  *
@@ -2122,7 +2202,7 @@ function minErr(module, ErrorConstructor) {
  *     Or gives undesired access to variables likes document or window?    *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
-var $parseMinErr = minErr('$parse');
+var $parseMinErr = minErr("$parse");
 
 var objectValueOf = {}.constructor.prototype.valueOf;
 
@@ -2140,1604 +2220,1972 @@ var objectValueOf = {}.constructor.prototype.valueOf;
 //
 // See https://docs.angularjs.org/guide/security
 
-
 function getStringValue(name) {
-  // Property names must be strings. This means that non-string objects cannot be used
-  // as keys in an object. Any non-string object, including a number, is typecasted
-  // into a string via the toString method.
-  // -- MDN, https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Property_accessors#Property_names
-  //
-  // So, to ensure that we are checking the same `name` that JavaScript would use, we cast it
-  // to a string. It's not always possible. If `name` is an object and its `toString` method is
-  // 'broken' (doesn't return a string, isn't a function, etc.), an error will be thrown:
-  //
-  // TypeError: Cannot convert object to primitive value
-  //
-  // For performance reasons, we don't catch this error here and allow it to propagate up the call
-  // stack. Note that you'll get the same error in JavaScript if you try to access a property using
-  // such a 'broken' object as a key.
-  return name + '';
+	// Property names must be strings. This means that non-string objects cannot be used
+	// as keys in an object. Any non-string object, including a number, is typecasted
+	// into a string via the toString method.
+	// -- MDN, https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Property_accessors#Property_names
+	//
+	// So, to ensure that we are checking the same `name` that JavaScript would use, we cast it
+	// to a string. It's not always possible. If `name` is an object and its `toString` method is
+	// 'broken' (doesn't return a string, isn't a function, etc.), an error will be thrown:
+	//
+	// TypeError: Cannot convert object to primitive value
+	//
+	// For performance reasons, we don't catch this error here and allow it to propagate up the call
+	// stack. Note that you'll get the same error in JavaScript if you try to access a property using
+	// such a 'broken' object as a key.
+	return name + "";
 }
 
-
 var OPERATORS = createMap();
-forEach('+ - * / % === !== == != < > <= >= && || ! = |'.split(' '), function(operator) { OPERATORS[operator] = true; });
-var ESCAPE = {'n':'\n', 'f':'\f', 'r':'\r', 't':'\t', 'v':'\v', '\'':'\'', '"':'"'};
-
+forEach("+ - * / % === !== == != < > <= >= && || ! = |".split(" "), function(
+	operator
+) {
+	OPERATORS[operator] = true;
+});
+var ESCAPE = {
+	n: "\n",
+	f: "\f",
+	r: "\r",
+	t: "\t",
+	v: "\v",
+	"'": "'",
+	'"': '"'
+};
 
 /////////////////////////////////////////
 
-
 /**
  * @constructor
  */
 var Lexer = function Lexer(options) {
-  this.options = options;
+	this.options = options;
 };
 
 Lexer.prototype = {
-  constructor: Lexer,
-
-  lex: function(text) {
-    this.text = text;
-    this.index = 0;
-    this.tokens = [];
-
-    while (this.index < this.text.length) {
-      var ch = this.text.charAt(this.index);
-      if (ch === '"' || ch === '\'') {
-        this.readString(ch);
-      } else if (this.isNumber(ch) || ch === '.' && this.isNumber(this.peek())) {
-        this.readNumber();
-      } else if (this.isIdentifierStart(this.peekMultichar())) {
-        this.readIdent();
-      } else if (this.is(ch, '(){}[].,;:?')) {
-        this.tokens.push({index: this.index, text: ch});
-        this.index++;
-      } else if (this.isWhitespace(ch)) {
-        this.index++;
-      } else {
-        var ch2 = ch + this.peek();
-        var ch3 = ch2 + this.peek(2);
-        var op1 = OPERATORS[ch];
-        var op2 = OPERATORS[ch2];
-        var op3 = OPERATORS[ch3];
-        if (op1 || op2 || op3) {
-          var token = op3 ? ch3 : (op2 ? ch2 : ch);
-          this.tokens.push({index: this.index, text: token, operator: true});
-          this.index += token.length;
-        } else {
-          this.throwError('Unexpected next character ', this.index, this.index + 1);
-        }
-      }
-    }
-    return this.tokens;
-  },
-
-  is: function(ch, chars) {
-    return chars.indexOf(ch) !== -1;
-  },
-
-  peek: function(i) {
-    var num = i || 1;
-    return (this.index + num < this.text.length) ? this.text.charAt(this.index + num) : false;
-  },
-
-  isNumber: function(ch) {
-    return ('0' <= ch && ch <= '9') && typeof ch === 'string';
-  },
-
-  isWhitespace: function(ch) {
-    // IE treats non-breaking space as \u00A0
-    return (ch === ' ' || ch === '\r' || ch === '\t' ||
-            ch === '\n' || ch === '\v' || ch === '\u00A0');
-  },
-
-  isIdentifierStart: function(ch) {
-    return this.options.isIdentifierStart ?
-        this.options.isIdentifierStart(ch, this.codePointAt(ch)) :
-        this.isValidIdentifierStart(ch);
-  },
-
-  isValidIdentifierStart: function(ch) {
-    return ('a' <= ch && ch <= 'z' ||
-            'A' <= ch && ch <= 'Z' ||
-            '_' === ch || ch === '$');
-  },
-
-  isIdentifierContinue: function(ch) {
-    return this.options.isIdentifierContinue ?
-        this.options.isIdentifierContinue(ch, this.codePointAt(ch)) :
-        this.isValidIdentifierContinue(ch);
-  },
-
-  isValidIdentifierContinue: function(ch, cp) {
-    return this.isValidIdentifierStart(ch, cp) || this.isNumber(ch);
-  },
-
-  codePointAt: function(ch) {
-    if (ch.length === 1) return ch.charCodeAt(0);
-    // eslint-disable-next-line no-bitwise
-    return (ch.charCodeAt(0) << 10) + ch.charCodeAt(1) - 0x35FDC00;
-  },
-
-  peekMultichar: function() {
-    var ch = this.text.charAt(this.index);
-    var peek = this.peek();
-    if (!peek) {
-      return ch;
-    }
-    var cp1 = ch.charCodeAt(0);
-    var cp2 = peek.charCodeAt(0);
-    if (cp1 >= 0xD800 && cp1 <= 0xDBFF && cp2 >= 0xDC00 && cp2 <= 0xDFFF) {
-      return ch + peek;
-    }
-    return ch;
-  },
-
-  isExpOperator: function(ch) {
-    return (ch === '-' || ch === '+' || this.isNumber(ch));
-  },
-
-  throwError: function(error, start, end) {
-    end = end || this.index;
-    var colStr = (isDefined(start)
-            ? 's ' + start +  '-' + this.index + ' [' + this.text.substring(start, end) + ']'
-            : ' ' + end);
-    throw $parseMinErr('lexerr', 'Lexer Error: {0} at column{1} in expression [{2}].',
-        error, colStr, this.text);
-  },
-
-  readNumber: function() {
-    var number = '';
-    var start = this.index;
-    while (this.index < this.text.length) {
-      var ch = lowercase(this.text.charAt(this.index));
-      if (ch === '.' || this.isNumber(ch)) {
-        number += ch;
-      } else {
-        var peekCh = this.peek();
-        if (ch === 'e' && this.isExpOperator(peekCh)) {
-          number += ch;
-        } else if (this.isExpOperator(ch) &&
-            peekCh && this.isNumber(peekCh) &&
-            number.charAt(number.length - 1) === 'e') {
-          number += ch;
-        } else if (this.isExpOperator(ch) &&
-            (!peekCh || !this.isNumber(peekCh)) &&
-            number.charAt(number.length - 1) === 'e') {
-          this.throwError('Invalid exponent');
-        } else {
-          break;
-        }
-      }
-      this.index++;
-    }
-    this.tokens.push({
-      index: start,
-      text: number,
-      constant: true,
-      value: Number(number)
-    });
-  },
-
-  readIdent: function() {
-    var start = this.index;
-    this.index += this.peekMultichar().length;
-    while (this.index < this.text.length) {
-      var ch = this.peekMultichar();
-      if (!this.isIdentifierContinue(ch)) {
-        break;
-      }
-      this.index += ch.length;
-    }
-    this.tokens.push({
-      index: start,
-      text: this.text.slice(start, this.index),
-      identifier: true
-    });
-  },
-
-  readString: function(quote) {
-    var start = this.index;
-    this.index++;
-    var string = '';
-    var rawString = quote;
-    var escape = false;
-    while (this.index < this.text.length) {
-      var ch = this.text.charAt(this.index);
-      rawString += ch;
-      if (escape) {
-        if (ch === 'u') {
-          var hex = this.text.substring(this.index + 1, this.index + 5);
-          if (!hex.match(/[\da-f]{4}/i)) {
-            this.throwError('Invalid unicode escape [\\u' + hex + ']');
-          }
-          this.index += 4;
-          string += String.fromCharCode(parseInt(hex, 16));
-        } else {
-          var rep = ESCAPE[ch];
-          string = string + (rep || ch);
-        }
-        escape = false;
-      } else if (ch === '\\') {
-        escape = true;
-      } else if (ch === quote) {
-        this.index++;
-        this.tokens.push({
-          index: start,
-          text: rawString,
-          constant: true,
-          value: string
-        });
-        return;
-      } else {
-        string += ch;
-      }
-      this.index++;
-    }
-    this.throwError('Unterminated quote', start);
-  }
+	constructor: Lexer,
+
+	lex: function(text) {
+		this.text = text;
+		this.index = 0;
+		this.tokens = [];
+
+		while (this.index < this.text.length) {
+			var ch = this.text.charAt(this.index);
+			if (ch === '"' || ch === "'") {
+				this.readString(ch);
+			} else if (
+				this.isNumber(ch) ||
+				(ch === "." && this.isNumber(this.peek()))
+			) {
+				this.readNumber();
+			} else if (this.isIdentifierStart(this.peekMultichar())) {
+				this.readIdent();
+			} else if (this.is(ch, "(){}[].,;:?")) {
+				this.tokens.push({ index: this.index, text: ch });
+				this.index++;
+			} else if (this.isWhitespace(ch)) {
+				this.index++;
+			} else {
+				var ch2 = ch + this.peek();
+				var ch3 = ch2 + this.peek(2);
+				var op1 = OPERATORS[ch];
+				var op2 = OPERATORS[ch2];
+				var op3 = OPERATORS[ch3];
+				if (op1 || op2 || op3) {
+					var token = op3 ? ch3 : op2 ? ch2 : ch;
+					this.tokens.push({ index: this.index, text: token, operator: true });
+					this.index += token.length;
+				} else {
+					this.throwError(
+						"Unexpected next character ",
+						this.index,
+						this.index + 1
+					);
+				}
+			}
+		}
+		return this.tokens;
+	},
+
+	is: function(ch, chars) {
+		return chars.indexOf(ch) !== -1;
+	},
+
+	peek: function(i) {
+		var num = i || 1;
+		return this.index + num < this.text.length
+			? this.text.charAt(this.index + num)
+			: false;
+	},
+
+	isNumber: function(ch) {
+		return "0" <= ch && ch <= "9" && typeof ch === "string";
+	},
+
+	isWhitespace: function(ch) {
+		// IE treats non-breaking space as \u00A0
+		return (
+			ch === " " ||
+			ch === "\r" ||
+			ch === "\t" ||
+			ch === "\n" ||
+			ch === "\v" ||
+			ch === "\u00A0"
+		);
+	},
+
+	isIdentifierStart: function(ch) {
+		return this.options.isIdentifierStart
+			? this.options.isIdentifierStart(ch, this.codePointAt(ch))
+			: this.isValidIdentifierStart(ch);
+	},
+
+	isValidIdentifierStart: function(ch) {
+		return (
+			("a" <= ch && ch <= "z") ||
+			("A" <= ch && ch <= "Z") ||
+			"_" === ch ||
+			ch === "$"
+		);
+	},
+
+	isIdentifierContinue: function(ch) {
+		return this.options.isIdentifierContinue
+			? this.options.isIdentifierContinue(ch, this.codePointAt(ch))
+			: this.isValidIdentifierContinue(ch);
+	},
+
+	isValidIdentifierContinue: function(ch, cp) {
+		return this.isValidIdentifierStart(ch, cp) || this.isNumber(ch);
+	},
+
+	codePointAt: function(ch) {
+		if (ch.length === 1) return ch.charCodeAt(0);
+		// eslint-disable-next-line no-bitwise
+		return (ch.charCodeAt(0) << 10) + ch.charCodeAt(1) - 0x35fdc00;
+	},
+
+	peekMultichar: function() {
+		var ch = this.text.charAt(this.index);
+		var peek = this.peek();
+		if (!peek) {
+			return ch;
+		}
+		var cp1 = ch.charCodeAt(0);
+		var cp2 = peek.charCodeAt(0);
+		if (cp1 >= 0xd800 && cp1 <= 0xdbff && cp2 >= 0xdc00 && cp2 <= 0xdfff) {
+			return ch + peek;
+		}
+		return ch;
+	},
+
+	isExpOperator: function(ch) {
+		return ch === "-" || ch === "+" || this.isNumber(ch);
+	},
+
+	throwError: function(error, start, end) {
+		end = end || this.index;
+		var colStr = isDefined(start)
+			? "s " +
+			  start +
+			  "-" +
+			  this.index +
+			  " [" +
+			  this.text.substring(start, end) +
+			  "]"
+			: " " + end;
+		throw $parseMinErr(
+			"lexerr",
+			"Lexer Error: {0} at column{1} in expression [{2}].",
+			error,
+			colStr,
+			this.text
+		);
+	},
+
+	readNumber: function() {
+		var number = "";
+		var start = this.index;
+		while (this.index < this.text.length) {
+			var ch = lowercase(this.text.charAt(this.index));
+			if (ch === "." || this.isNumber(ch)) {
+				number += ch;
+			} else {
+				var peekCh = this.peek();
+				if (ch === "e" && this.isExpOperator(peekCh)) {
+					number += ch;
+				} else if (
+					this.isExpOperator(ch) &&
+					peekCh &&
+					this.isNumber(peekCh) &&
+					number.charAt(number.length - 1) === "e"
+				) {
+					number += ch;
+				} else if (
+					this.isExpOperator(ch) &&
+					(!peekCh || !this.isNumber(peekCh)) &&
+					number.charAt(number.length - 1) === "e"
+				) {
+					this.throwError("Invalid exponent");
+				} else {
+					break;
+				}
+			}
+			this.index++;
+		}
+		this.tokens.push({
+			index: start,
+			text: number,
+			constant: true,
+			value: Number(number)
+		});
+	},
+
+	readIdent: function() {
+		var start = this.index;
+		this.index += this.peekMultichar().length;
+		while (this.index < this.text.length) {
+			var ch = this.peekMultichar();
+			if (!this.isIdentifierContinue(ch)) {
+				break;
+			}
+			this.index += ch.length;
+		}
+		this.tokens.push({
+			index: start,
+			text: this.text.slice(start, this.index),
+			identifier: true
+		});
+	},
+
+	readString: function(quote) {
+		var start = this.index;
+		this.index++;
+		var string = "";
+		var rawString = quote;
+		var escape = false;
+		while (this.index < this.text.length) {
+			var ch = this.text.charAt(this.index);
+			rawString += ch;
+			if (escape) {
+				if (ch === "u") {
+					var hex = this.text.substring(this.index + 1, this.index + 5);
+					if (!hex.match(/[\da-f]{4}/i)) {
+						this.throwError("Invalid unicode escape [\\u" + hex + "]");
+					}
+					this.index += 4;
+					string += String.fromCharCode(parseInt(hex, 16));
+				} else {
+					var rep = ESCAPE[ch];
+					string = string + (rep || ch);
+				}
+				escape = false;
+			} else if (ch === "\\") {
+				escape = true;
+			} else if (ch === quote) {
+				this.index++;
+				this.tokens.push({
+					index: start,
+					text: rawString,
+					constant: true,
+					value: string
+				});
+				return;
+			} else {
+				string += ch;
+			}
+			this.index++;
+		}
+		this.throwError("Unterminated quote", start);
+	}
 };
 
 var AST = function AST(lexer, options) {
-  this.lexer = lexer;
-  this.options = options;
+	this.lexer = lexer;
+	this.options = options;
 };
 
-AST.Program = 'Program';
-AST.ExpressionStatement = 'ExpressionStatement';
-AST.AssignmentExpression = 'AssignmentExpression';
-AST.ConditionalExpression = 'ConditionalExpression';
-AST.LogicalExpression = 'LogicalExpression';
-AST.BinaryExpression = 'BinaryExpression';
-AST.UnaryExpression = 'UnaryExpression';
-AST.CallExpression = 'CallExpression';
-AST.MemberExpression = 'MemberExpression';
-AST.Identifier = 'Identifier';
-AST.Literal = 'Literal';
-AST.ArrayExpression = 'ArrayExpression';
-AST.Property = 'Property';
-AST.ObjectExpression = 'ObjectExpression';
-AST.ThisExpression = 'ThisExpression';
-AST.LocalsExpression = 'LocalsExpression';
+AST.Program = "Program";
+AST.ExpressionStatement = "ExpressionStatement";
+AST.AssignmentExpression = "AssignmentExpression";
+AST.ConditionalExpression = "ConditionalExpression";
+AST.LogicalExpression = "LogicalExpression";
+AST.BinaryExpression = "BinaryExpression";
+AST.UnaryExpression = "UnaryExpression";
+AST.CallExpression = "CallExpression";
+AST.MemberExpression = "MemberExpression";
+AST.Identifier = "Identifier";
+AST.Literal = "Literal";
+AST.ArrayExpression = "ArrayExpression";
+AST.Property = "Property";
+AST.ObjectExpression = "ObjectExpression";
+AST.ThisExpression = "ThisExpression";
+AST.LocalsExpression = "LocalsExpression";
 
 // Internal use only
-AST.NGValueParameter = 'NGValueParameter';
+AST.NGValueParameter = "NGValueParameter";
 
 AST.prototype = {
-  ast: function(text) {
-    this.text = text;
-    this.tokens = this.lexer.lex(text);
-
-    var value = this.program();
-
-    if (this.tokens.length !== 0) {
-      this.throwError('is an unexpected token', this.tokens[0]);
-    }
-
-    return value;
-  },
-
-  program: function() {
-    var body = [];
-    while (true) {
-      if (this.tokens.length > 0 && !this.peek('}', ')', ';', ']'))
-        body.push(this.expressionStatement());
-      if (!this.expect(';')) {
-        return { type: AST.Program, body: body};
-      }
-    }
-  },
-
-  expressionStatement: function() {
-    return { type: AST.ExpressionStatement, expression: this.filterChain() };
-  },
-
-  filterChain: function() {
-    var left = this.expression();
-    while (this.expect('|')) {
-      left = this.filter(left);
-    }
-    return left;
-  },
-
-  expression: function() {
-    return this.assignment();
-  },
-
-  assignment: function() {
-    var result = this.ternary();
-    if (this.expect('=')) {
-      if (!isAssignable(result)) {
-        throw $parseMinErr('lval', 'Trying to assign a value to a non l-value');
-      }
-
-      result = { type: AST.AssignmentExpression, left: result, right: this.assignment(), operator: '='};
-    }
-    return result;
-  },
-
-  ternary: function() {
-    var test = this.logicalOR();
-    var alternate;
-    var consequent;
-    if (this.expect('?')) {
-      alternate = this.expression();
-      if (this.consume(':')) {
-        consequent = this.expression();
-        return { type: AST.ConditionalExpression, test: test, alternate: alternate, consequent: consequent};
-      }
-    }
-    return test;
-  },
-
-  logicalOR: function() {
-    var left = this.logicalAND();
-    while (this.expect('||')) {
-      left = { type: AST.LogicalExpression, operator: '||', left: left, right: this.logicalAND() };
-    }
-    return left;
-  },
-
-  logicalAND: function() {
-    var left = this.equality();
-    while (this.expect('&&')) {
-      left = { type: AST.LogicalExpression, operator: '&&', left: left, right: this.equality()};
-    }
-    return left;
-  },
-
-  equality: function() {
-    var left = this.relational();
-    var token;
-    while ((token = this.expect('==','!=','===','!=='))) {
-      left = { type: AST.BinaryExpression, operator: token.text, left: left, right: this.relational() };
-    }
-    return left;
-  },
-
-  relational: function() {
-    var left = this.additive();
-    var token;
-    while ((token = this.expect('<', '>', '<=', '>='))) {
-      left = { type: AST.BinaryExpression, operator: token.text, left: left, right: this.additive() };
-    }
-    return left;
-  },
-
-  additive: function() {
-    var left = this.multiplicative();
-    var token;
-    while ((token = this.expect('+','-'))) {
-      left = { type: AST.BinaryExpression, operator: token.text, left: left, right: this.multiplicative() };
-    }
-    return left;
-  },
-
-  multiplicative: function() {
-    var left = this.unary();
-    var token;
-    while ((token = this.expect('*','/','%'))) {
-      left = { type: AST.BinaryExpression, operator: token.text, left: left, right: this.unary() };
-    }
-    return left;
-  },
-
-  unary: function() {
-    var token;
-    if ((token = this.expect('+', '-', '!'))) {
-      return { type: AST.UnaryExpression, operator: token.text, prefix: true, argument: this.unary() };
-    } else {
-      return this.primary();
-    }
-  },
-
-  primary: function() {
-    var primary;
-    if (this.expect('(')) {
-      primary = this.filterChain();
-      this.consume(')');
-    } else if (this.expect('[')) {
-      primary = this.arrayDeclaration();
-    } else if (this.expect('{')) {
-      primary = this.object();
-    } else if (this.selfReferential.hasOwnProperty(this.peek().text)) {
-      primary = copy(this.selfReferential[this.consume().text]);
-    } else if (this.options.literals.hasOwnProperty(this.peek().text)) {
-      primary = { type: AST.Literal, value: this.options.literals[this.consume().text]};
-    } else if (this.peek().identifier) {
-      primary = this.identifier();
-    } else if (this.peek().constant) {
-      primary = this.constant();
-    } else {
-      this.throwError('not a primary expression', this.peek());
-    }
-
-    var next;
-    while ((next = this.expect('(', '[', '.'))) {
-      if (next.text === '(') {
-        primary = {type: AST.CallExpression, callee: primary, arguments: this.parseArguments() };
-        this.consume(')');
-      } else if (next.text === '[') {
-        primary = { type: AST.MemberExpression, object: primary, property: this.expression(), computed: true };
-        this.consume(']');
-      } else if (next.text === '.') {
-        primary = { type: AST.MemberExpression, object: primary, property: this.identifier(), computed: false };
-      } else {
-        this.throwError('IMPOSSIBLE');
-      }
-    }
-    return primary;
-  },
-
-  filter: function(baseExpression) {
-    var args = [baseExpression];
-    var result = {type: AST.CallExpression, callee: this.identifier(), arguments: args, filter: true};
-
-    while (this.expect(':')) {
-      args.push(this.expression());
-    }
-
-    return result;
-  },
-
-  parseArguments: function() {
-    var args = [];
-    if (this.peekToken().text !== ')') {
-      do {
-        args.push(this.filterChain());
-      } while (this.expect(','));
-    }
-    return args;
-  },
-
-  identifier: function() {
-    var token = this.consume();
-    if (!token.identifier) {
-      this.throwError('is not a valid identifier', token);
-    }
-    return { type: AST.Identifier, name: token.text };
-  },
-
-  constant: function() {
-    // TODO check that it is a constant
-    return { type: AST.Literal, value: this.consume().value };
-  },
-
-  arrayDeclaration: function() {
-    var elements = [];
-    if (this.peekToken().text !== ']') {
-      do {
-        if (this.peek(']')) {
-          // Support trailing commas per ES5.1.
-          break;
-        }
-        elements.push(this.expression());
-      } while (this.expect(','));
-    }
-    this.consume(']');
-
-    return { type: AST.ArrayExpression, elements: elements };
-  },
-
-  object: function() {
-    var properties = [], property;
-    if (this.peekToken().text !== '}') {
-      do {
-        if (this.peek('}')) {
-          // Support trailing commas per ES5.1.
-          break;
-        }
-        property = {type: AST.Property, kind: 'init'};
-        if (this.peek().constant) {
-          property.key = this.constant();
-          property.computed = false;
-          this.consume(':');
-          property.value = this.expression();
-        } else if (this.peek().identifier) {
-          property.key = this.identifier();
-          property.computed = false;
-          if (this.peek(':')) {
-            this.consume(':');
-            property.value = this.expression();
-          } else {
-            property.value = property.key;
-          }
-        } else if (this.peek('[')) {
-          this.consume('[');
-          property.key = this.expression();
-          this.consume(']');
-          property.computed = true;
-          this.consume(':');
-          property.value = this.expression();
-        } else {
-          this.throwError('invalid key', this.peek());
-        }
-        properties.push(property);
-      } while (this.expect(','));
-    }
-    this.consume('}');
-
-    return {type: AST.ObjectExpression, properties: properties };
-  },
-
-  throwError: function(msg, token) {
-    throw $parseMinErr('syntax',
-        'Syntax Error: Token \'{0}\' {1} at column {2} of the expression [{3}] starting at [{4}].',
-          token.text, msg, (token.index + 1), this.text, this.text.substring(token.index));
-  },
-
-  consume: function(e1) {
-    if (this.tokens.length === 0) {
-      throw $parseMinErr('ueoe', 'Unexpected end of expression: {0}', this.text);
-    }
-
-    var token = this.expect(e1);
-    if (!token) {
-      this.throwError('is unexpected, expecting [' + e1 + ']', this.peek());
-    }
-    return token;
-  },
-
-  peekToken: function() {
-    if (this.tokens.length === 0) {
-      throw $parseMinErr('ueoe', 'Unexpected end of expression: {0}', this.text);
-    }
-    return this.tokens[0];
-  },
-
-  peek: function(e1, e2, e3, e4) {
-    return this.peekAhead(0, e1, e2, e3, e4);
-  },
-
-  peekAhead: function(i, e1, e2, e3, e4) {
-    if (this.tokens.length > i) {
-      var token = this.tokens[i];
-      var t = token.text;
-      if (t === e1 || t === e2 || t === e3 || t === e4 ||
-          (!e1 && !e2 && !e3 && !e4)) {
-        return token;
-      }
-    }
-    return false;
-  },
-
-  expect: function(e1, e2, e3, e4) {
-    var token = this.peek(e1, e2, e3, e4);
-    if (token) {
-      this.tokens.shift();
-      return token;
-    }
-    return false;
-  },
-
-  selfReferential: {
-    'this': {type: AST.ThisExpression },
-    '$locals': {type: AST.LocalsExpression }
-  }
+	ast: function(text) {
+		this.text = text;
+		this.tokens = this.lexer.lex(text);
+
+		var value = this.program();
+
+		if (this.tokens.length !== 0) {
+			this.throwError("is an unexpected token", this.tokens[0]);
+		}
+
+		return value;
+	},
+
+	program: function() {
+		var body = [];
+		while (true) {
+			if (this.tokens.length > 0 && !this.peek("}", ")", ";", "]"))
+				body.push(this.expressionStatement());
+			if (!this.expect(";")) {
+				return { type: AST.Program, body: body };
+			}
+		}
+	},
+
+	expressionStatement: function() {
+		return { type: AST.ExpressionStatement, expression: this.filterChain() };
+	},
+
+	filterChain: function() {
+		var left = this.expression();
+		while (this.expect("|")) {
+			left = this.filter(left);
+		}
+		return left;
+	},
+
+	expression: function() {
+		return this.assignment();
+	},
+
+	assignment: function() {
+		var result = this.ternary();
+		if (this.expect("=")) {
+			if (!isAssignable(result)) {
+				throw $parseMinErr("lval", "Trying to assign a value to a non l-value");
+			}
+
+			result = {
+				type: AST.AssignmentExpression,
+				left: result,
+				right: this.assignment(),
+				operator: "="
+			};
+		}
+		return result;
+	},
+
+	ternary: function() {
+		var test = this.logicalOR();
+		var alternate;
+		var consequent;
+		if (this.expect("?")) {
+			alternate = this.expression();
+			if (this.consume(":")) {
+				consequent = this.expression();
+				return {
+					type: AST.ConditionalExpression,
+					test: test,
+					alternate: alternate,
+					consequent: consequent
+				};
+			}
+		}
+		return test;
+	},
+
+	logicalOR: function() {
+		var left = this.logicalAND();
+		while (this.expect("||")) {
+			left = {
+				type: AST.LogicalExpression,
+				operator: "||",
+				left: left,
+				right: this.logicalAND()
+			};
+		}
+		return left;
+	},
+
+	logicalAND: function() {
+		var left = this.equality();
+		while (this.expect("&&")) {
+			left = {
+				type: AST.LogicalExpression,
+				operator: "&&",
+				left: left,
+				right: this.equality()
+			};
+		}
+		return left;
+	},
+
+	equality: function() {
+		var left = this.relational();
+		var token;
+		while ((token = this.expect("==", "!=", "===", "!=="))) {
+			left = {
+				type: AST.BinaryExpression,
+				operator: token.text,
+				left: left,
+				right: this.relational()
+			};
+		}
+		return left;
+	},
+
+	relational: function() {
+		var left = this.additive();
+		var token;
+		while ((token = this.expect("<", ">", "<=", ">="))) {
+			left = {
+				type: AST.BinaryExpression,
+				operator: token.text,
+				left: left,
+				right: this.additive()
+			};
+		}
+		return left;
+	},
+
+	additive: function() {
+		var left = this.multiplicative();
+		var token;
+		while ((token = this.expect("+", "-"))) {
+			left = {
+				type: AST.BinaryExpression,
+				operator: token.text,
+				left: left,
+				right: this.multiplicative()
+			};
+		}
+		return left;
+	},
+
+	multiplicative: function() {
+		var left = this.unary();
+		var token;
+		while ((token = this.expect("*", "/", "%"))) {
+			left = {
+				type: AST.BinaryExpression,
+				operator: token.text,
+				left: left,
+				right: this.unary()
+			};
+		}
+		return left;
+	},
+
+	unary: function() {
+		var token;
+		if ((token = this.expect("+", "-", "!"))) {
+			return {
+				type: AST.UnaryExpression,
+				operator: token.text,
+				prefix: true,
+				argument: this.unary()
+			};
+		} else {
+			return this.primary();
+		}
+	},
+
+	primary: function() {
+		var primary;
+		if (this.expect("(")) {
+			primary = this.filterChain();
+			this.consume(")");
+		} else if (this.expect("[")) {
+			primary = this.arrayDeclaration();
+		} else if (this.expect("{")) {
+			primary = this.object();
+		} else if (this.selfReferential.hasOwnProperty(this.peek().text)) {
+			primary = copy(this.selfReferential[this.consume().text]);
+		} else if (this.options.literals.hasOwnProperty(this.peek().text)) {
+			primary = {
+				type: AST.Literal,
+				value: this.options.literals[this.consume().text]
+			};
+		} else if (this.peek().identifier) {
+			primary = this.identifier();
+		} else if (this.peek().constant) {
+			primary = this.constant();
+		} else {
+			this.throwError("not a primary expression", this.peek());
+		}
+
+		var next;
+		while ((next = this.expect("(", "[", "."))) {
+			if (next.text === "(") {
+				primary = {
+					type: AST.CallExpression,
+					callee: primary,
+					arguments: this.parseArguments()
+				};
+				this.consume(")");
+			} else if (next.text === "[") {
+				primary = {
+					type: AST.MemberExpression,
+					object: primary,
+					property: this.expression(),
+					computed: true
+				};
+				this.consume("]");
+			} else if (next.text === ".") {
+				primary = {
+					type: AST.MemberExpression,
+					object: primary,
+					property: this.identifier(),
+					computed: false
+				};
+			} else {
+				this.throwError("IMPOSSIBLE");
+			}
+		}
+		return primary;
+	},
+
+	filter: function(baseExpression) {
+		var args = [baseExpression];
+		var result = {
+			type: AST.CallExpression,
+			callee: this.identifier(),
+			arguments: args,
+			filter: true
+		};
+
+		while (this.expect(":")) {
+			args.push(this.expression());
+		}
+
+		return result;
+	},
+
+	parseArguments: function() {
+		var args = [];
+		if (this.peekToken().text !== ")") {
+			do {
+				args.push(this.filterChain());
+			} while (this.expect(","));
+		}
+		return args;
+	},
+
+	identifier: function() {
+		var token = this.consume();
+		if (!token.identifier) {
+			this.throwError("is not a valid identifier", token);
+		}
+		return { type: AST.Identifier, name: token.text };
+	},
+
+	constant: function() {
+		// TODO check that it is a constant
+		return { type: AST.Literal, value: this.consume().value };
+	},
+
+	arrayDeclaration: function() {
+		var elements = [];
+		if (this.peekToken().text !== "]") {
+			do {
+				if (this.peek("]")) {
+					// Support trailing commas per ES5.1.
+					break;
+				}
+				elements.push(this.expression());
+			} while (this.expect(","));
+		}
+		this.consume("]");
+
+		return { type: AST.ArrayExpression, elements: elements };
+	},
+
+	object: function() {
+		var properties = [],
+			property;
+		if (this.peekToken().text !== "}") {
+			do {
+				if (this.peek("}")) {
+					// Support trailing commas per ES5.1.
+					break;
+				}
+				property = { type: AST.Property, kind: "init" };
+				if (this.peek().constant) {
+					property.key = this.constant();
+					property.computed = false;
+					this.consume(":");
+					property.value = this.expression();
+				} else if (this.peek().identifier) {
+					property.key = this.identifier();
+					property.computed = false;
+					if (this.peek(":")) {
+						this.consume(":");
+						property.value = this.expression();
+					} else {
+						property.value = property.key;
+					}
+				} else if (this.peek("[")) {
+					this.consume("[");
+					property.key = this.expression();
+					this.consume("]");
+					property.computed = true;
+					this.consume(":");
+					property.value = this.expression();
+				} else {
+					this.throwError("invalid key", this.peek());
+				}
+				properties.push(property);
+			} while (this.expect(","));
+		}
+		this.consume("}");
+
+		return { type: AST.ObjectExpression, properties: properties };
+	},
+
+	throwError: function(msg, token) {
+		throw $parseMinErr(
+			"syntax",
+			"Syntax Error: Token '{0}' {1} at column {2} of the expression [{3}] starting at [{4}].",
+			token.text,
+			msg,
+			token.index + 1,
+			this.text,
+			this.text.substring(token.index)
+		);
+	},
+
+	consume: function(e1) {
+		if (this.tokens.length === 0) {
+			throw $parseMinErr(
+				"ueoe",
+				"Unexpected end of expression: {0}",
+				this.text
+			);
+		}
+
+		var token = this.expect(e1);
+		if (!token) {
+			this.throwError("is unexpected, expecting [" + e1 + "]", this.peek());
+		}
+		return token;
+	},
+
+	peekToken: function() {
+		if (this.tokens.length === 0) {
+			throw $parseMinErr(
+				"ueoe",
+				"Unexpected end of expression: {0}",
+				this.text
+			);
+		}
+		return this.tokens[0];
+	},
+
+	peek: function(e1, e2, e3, e4) {
+		return this.peekAhead(0, e1, e2, e3, e4);
+	},
+
+	peekAhead: function(i, e1, e2, e3, e4) {
+		if (this.tokens.length > i) {
+			var token = this.tokens[i];
+			var t = token.text;
+			if (
+				t === e1 ||
+				t === e2 ||
+				t === e3 ||
+				t === e4 ||
+				(!e1 && !e2 && !e3 && !e4)
+			) {
+				return token;
+			}
+		}
+		return false;
+	},
+
+	expect: function(e1, e2, e3, e4) {
+		var token = this.peek(e1, e2, e3, e4);
+		if (token) {
+			this.tokens.shift();
+			return token;
+		}
+		return false;
+	},
+
+	selfReferential: {
+		this: { type: AST.ThisExpression },
+		$locals: { type: AST.LocalsExpression }
+	}
 };
 
 function ifDefined(v, d) {
-  return typeof v !== 'undefined' ? v : d;
+	return typeof v !== "undefined" ? v : d;
 }
 
 function plusFn(l, r) {
-  if (typeof l === 'undefined') return r;
-  if (typeof r === 'undefined') return l;
-  return l + r;
+	if (typeof l === "undefined") return r;
+	if (typeof r === "undefined") return l;
+	return l + r;
 }
 
 function isStateless($filter, filterName) {
-  var fn = $filter(filterName);
-  return !fn.$stateful;
+	var fn = $filter(filterName);
+	return !fn.$stateful;
 }
 
 function findConstantAndWatchExpressions(ast, $filter) {
-  var allConstants;
-  var argsToWatch;
-  var isStatelessFilter;
-  switch (ast.type) {
-  case AST.Program:
-    allConstants = true;
-    forEach(ast.body, function(expr) {
-      findConstantAndWatchExpressions(expr.expression, $filter);
-      allConstants = allConstants && expr.expression.constant;
-    });
-    ast.constant = allConstants;
-    break;
-  case AST.Literal:
-    ast.constant = true;
-    ast.toWatch = [];
-    break;
-  case AST.UnaryExpression:
-    findConstantAndWatchExpressions(ast.argument, $filter);
-    ast.constant = ast.argument.constant;
-    ast.toWatch = ast.argument.toWatch;
-    break;
-  case AST.BinaryExpression:
-    findConstantAndWatchExpressions(ast.left, $filter);
-    findConstantAndWatchExpressions(ast.right, $filter);
-    ast.constant = ast.left.constant && ast.right.constant;
-    ast.toWatch = ast.left.toWatch.concat(ast.right.toWatch);
-    break;
-  case AST.LogicalExpression:
-    findConstantAndWatchExpressions(ast.left, $filter);
-    findConstantAndWatchExpressions(ast.right, $filter);
-    ast.constant = ast.left.constant && ast.right.constant;
-    ast.toWatch = ast.constant ? [] : [ast];
-    break;
-  case AST.ConditionalExpression:
-    findConstantAndWatchExpressions(ast.test, $filter);
-    findConstantAndWatchExpressions(ast.alternate, $filter);
-    findConstantAndWatchExpressions(ast.consequent, $filter);
-    ast.constant = ast.test.constant && ast.alternate.constant && ast.consequent.constant;
-    ast.toWatch = ast.constant ? [] : [ast];
-    break;
-  case AST.Identifier:
-    ast.constant = false;
-    ast.toWatch = [ast];
-    break;
-  case AST.MemberExpression:
-    findConstantAndWatchExpressions(ast.object, $filter);
-    if (ast.computed) {
-      findConstantAndWatchExpressions(ast.property, $filter);
-    }
-    ast.constant = ast.object.constant && (!ast.computed || ast.property.constant);
-    ast.toWatch = [ast];
-    break;
-  case AST.CallExpression:
-    isStatelessFilter = ast.filter ? isStateless($filter, ast.callee.name) : false;
-    allConstants = isStatelessFilter;
-    argsToWatch = [];
-    forEach(ast.arguments, function(expr) {
-      findConstantAndWatchExpressions(expr, $filter);
-      allConstants = allConstants && expr.constant;
-      if (!expr.constant) {
-        argsToWatch.push.apply(argsToWatch, expr.toWatch);
-      }
-    });
-    ast.constant = allConstants;
-    ast.toWatch = isStatelessFilter ? argsToWatch : [ast];
-    break;
-  case AST.AssignmentExpression:
-    findConstantAndWatchExpressions(ast.left, $filter);
-    findConstantAndWatchExpressions(ast.right, $filter);
-    ast.constant = ast.left.constant && ast.right.constant;
-    ast.toWatch = [ast];
-    break;
-  case AST.ArrayExpression:
-    allConstants = true;
-    argsToWatch = [];
-    forEach(ast.elements, function(expr) {
-      findConstantAndWatchExpressions(expr, $filter);
-      allConstants = allConstants && expr.constant;
-      if (!expr.constant) {
-        argsToWatch.push.apply(argsToWatch, expr.toWatch);
-      }
-    });
-    ast.constant = allConstants;
-    ast.toWatch = argsToWatch;
-    break;
-  case AST.ObjectExpression:
-    allConstants = true;
-    argsToWatch = [];
-    forEach(ast.properties, function(property) {
-      findConstantAndWatchExpressions(property.value, $filter);
-      allConstants = allConstants && property.value.constant && !property.computed;
-      if (!property.value.constant) {
-        argsToWatch.push.apply(argsToWatch, property.value.toWatch);
-      }
-    });
-    ast.constant = allConstants;
-    ast.toWatch = argsToWatch;
-    break;
-  case AST.ThisExpression:
-    ast.constant = false;
-    ast.toWatch = [];
-    break;
-  case AST.LocalsExpression:
-    ast.constant = false;
-    ast.toWatch = [];
-    break;
-  }
+	var allConstants;
+	var argsToWatch;
+	var isStatelessFilter;
+	switch (ast.type) {
+		case AST.Program:
+			allConstants = true;
+			forEach(ast.body, function(expr) {
+				findConstantAndWatchExpressions(expr.expression, $filter);
+				allConstants = allConstants && expr.expression.constant;
+			});
+			ast.constant = allConstants;
+			break;
+		case AST.Literal:
+			ast.constant = true;
+			ast.toWatch = [];
+			break;
+		case AST.UnaryExpression:
+			findConstantAndWatchExpressions(ast.argument, $filter);
+			ast.constant = ast.argument.constant;
+			ast.toWatch = ast.argument.toWatch;
+			break;
+		case AST.BinaryExpression:
+			findConstantAndWatchExpressions(ast.left, $filter);
+			findConstantAndWatchExpressions(ast.right, $filter);
+			ast.constant = ast.left.constant && ast.right.constant;
+			ast.toWatch = ast.left.toWatch.concat(ast.right.toWatch);
+			break;
+		case AST.LogicalExpression:
+			findConstantAndWatchExpressions(ast.left, $filter);
+			findConstantAndWatchExpressions(ast.right, $filter);
+			ast.constant = ast.left.constant && ast.right.constant;
+			ast.toWatch = ast.constant ? [] : [ast];
+			break;
+		case AST.ConditionalExpression:
+			findConstantAndWatchExpressions(ast.test, $filter);
+			findConstantAndWatchExpressions(ast.alternate, $filter);
+			findConstantAndWatchExpressions(ast.consequent, $filter);
+			ast.constant =
+				ast.test.constant && ast.alternate.constant && ast.consequent.constant;
+			ast.toWatch = ast.constant ? [] : [ast];
+			break;
+		case AST.Identifier:
+			ast.constant = false;
+			ast.toWatch = [ast];
+			break;
+		case AST.MemberExpression:
+			findConstantAndWatchExpressions(ast.object, $filter);
+			if (ast.computed) {
+				findConstantAndWatchExpressions(ast.property, $filter);
+			}
+			ast.constant =
+				ast.object.constant && (!ast.computed || ast.property.constant);
+			ast.toWatch = [ast];
+			break;
+		case AST.CallExpression:
+			isStatelessFilter = ast.filter
+				? isStateless($filter, ast.callee.name)
+				: false;
+			allConstants = isStatelessFilter;
+			argsToWatch = [];
+			forEach(ast.arguments, function(expr) {
+				findConstantAndWatchExpressions(expr, $filter);
+				allConstants = allConstants && expr.constant;
+				if (!expr.constant) {
+					argsToWatch.push.apply(argsToWatch, expr.toWatch);
+				}
+			});
+			ast.constant = allConstants;
+			ast.toWatch = isStatelessFilter ? argsToWatch : [ast];
+			break;
+		case AST.AssignmentExpression:
+			findConstantAndWatchExpressions(ast.left, $filter);
+			findConstantAndWatchExpressions(ast.right, $filter);
+			ast.constant = ast.left.constant && ast.right.constant;
+			ast.toWatch = [ast];
+			break;
+		case AST.ArrayExpression:
+			allConstants = true;
+			argsToWatch = [];
+			forEach(ast.elements, function(expr) {
+				findConstantAndWatchExpressions(expr, $filter);
+				allConstants = allConstants && expr.constant;
+				if (!expr.constant) {
+					argsToWatch.push.apply(argsToWatch, expr.toWatch);
+				}
+			});
+			ast.constant = allConstants;
+			ast.toWatch = argsToWatch;
+			break;
+		case AST.ObjectExpression:
+			allConstants = true;
+			argsToWatch = [];
+			forEach(ast.properties, function(property) {
+				findConstantAndWatchExpressions(property.value, $filter);
+				allConstants =
+					allConstants && property.value.constant && !property.computed;
+				if (!property.value.constant) {
+					argsToWatch.push.apply(argsToWatch, property.value.toWatch);
+				}
+			});
+			ast.constant = allConstants;
+			ast.toWatch = argsToWatch;
+			break;
+		case AST.ThisExpression:
+			ast.constant = false;
+			ast.toWatch = [];
+			break;
+		case AST.LocalsExpression:
+			ast.constant = false;
+			ast.toWatch = [];
+			break;
+	}
 }
 
 function getInputs(body) {
-  if (body.length !== 1) return;
-  var lastExpression = body[0].expression;
-  var candidate = lastExpression.toWatch;
-  if (candidate.length !== 1) return candidate;
-  return candidate[0] !== lastExpression ? candidate : undefined;
+	if (body.length !== 1) return;
+	var lastExpression = body[0].expression;
+	var candidate = lastExpression.toWatch;
+	if (candidate.length !== 1) return candidate;
+	return candidate[0] !== lastExpression ? candidate : undefined;
 }
 
 function isAssignable(ast) {
-  return ast.type === AST.Identifier || ast.type === AST.MemberExpression;
+	return ast.type === AST.Identifier || ast.type === AST.MemberExpression;
 }
 
 function assignableAST(ast) {
-  if (ast.body.length === 1 && isAssignable(ast.body[0].expression)) {
-    return {type: AST.AssignmentExpression, left: ast.body[0].expression, right: {type: AST.NGValueParameter}, operator: '='};
-  }
+	if (ast.body.length === 1 && isAssignable(ast.body[0].expression)) {
+		return {
+			type: AST.AssignmentExpression,
+			left: ast.body[0].expression,
+			right: { type: AST.NGValueParameter },
+			operator: "="
+		};
+	}
 }
 
 function isLiteral(ast) {
-  return ast.body.length === 0 ||
-      ast.body.length === 1 && (
-      ast.body[0].expression.type === AST.Literal ||
-      ast.body[0].expression.type === AST.ArrayExpression ||
-      ast.body[0].expression.type === AST.ObjectExpression);
+	return (
+		ast.body.length === 0 ||
+		(ast.body.length === 1 &&
+			(ast.body[0].expression.type === AST.Literal ||
+				ast.body[0].expression.type === AST.ArrayExpression ||
+				ast.body[0].expression.type === AST.ObjectExpression))
+	);
 }
 
 function isConstant(ast) {
-  return ast.constant;
+	return ast.constant;
 }
 
 function ASTCompiler(astBuilder, $filter) {
-  this.astBuilder = astBuilder;
-  this.$filter = $filter;
+	this.astBuilder = astBuilder;
+	this.$filter = $filter;
 }
 
 ASTCompiler.prototype = {
-  compile: function(expression) {
-    var self = this;
-    var ast = this.astBuilder.ast(expression);
-    this.state = {
-      nextId: 0,
-      filters: {},
-      fn: {vars: [], body: [], own: {}},
-      assign: {vars: [], body: [], own: {}},
-      inputs: []
-    };
-    findConstantAndWatchExpressions(ast, self.$filter);
-    var extra = '';
-    var assignable;
-    this.stage = 'assign';
-    if ((assignable = assignableAST(ast))) {
-      this.state.computing = 'assign';
-      var result = this.nextId();
-      this.recurse(assignable, result);
-      this.return_(result);
-      extra = 'fn.assign=' + this.generateFunction('assign', 's,v,l');
-    }
-    var toWatch = getInputs(ast.body);
-    self.stage = 'inputs';
-    forEach(toWatch, function(watch, key) {
-      var fnKey = 'fn' + key;
-      self.state[fnKey] = {vars: [], body: [], own: {}};
-      self.state.computing = fnKey;
-      var intoId = self.nextId();
-      self.recurse(watch, intoId);
-      self.return_(intoId);
-      self.state.inputs.push(fnKey);
-      watch.watchId = key;
-    });
-    this.state.computing = 'fn';
-    this.stage = 'main';
-    this.recurse(ast);
-    var fnString =
-      // The build and minification steps remove the string "use strict" from the code, but this is done using a regex.
-      // This is a workaround for this until we do a better job at only removing the prefix only when we should.
-      '"' + this.USE + ' ' + this.STRICT + '";\n' +
-      this.filterPrefix() +
-      'var fn=' + this.generateFunction('fn', 's,l,a,i') +
-      extra +
-      this.watchFns() +
-      'return fn;';
-
-    // eslint-disable-next-line no-new-func
-    var fn = (new Function('$filter',
-        'getStringValue',
-        'ifDefined',
-        'plus',
-        fnString))(
-          this.$filter,
-          getStringValue,
-          ifDefined,
-          plusFn);
-    this.state = this.stage = undefined;
-    fn.ast = ast;
-fn.literal = isLiteral(ast);
-    fn.constant = isConstant(ast);
-    return fn;
-  },
-
-  USE: 'use',
-
-  STRICT: 'strict',
-
-  watchFns: function() {
-    var result = [];
-    var fns = this.state.inputs;
-    var self = this;
-    forEach(fns, function(name) {
-      result.push('var ' + name + '=' + self.generateFunction(name, 's'));
-    });
-    if (fns.length) {
-      result.push('fn.inputs=[' + fns.join(',') + '];');
-    }
-    return result.join('');
-  },
-
-  generateFunction: function(name, params) {
-    return 'function(' + params + '){' +
-        this.varsPrefix(name) +
-        this.body(name) +
-        '};';
-  },
-
-  filterPrefix: function() {
-    var parts = [];
-    var self = this;
-    forEach(this.state.filters, function(id, filter) {
-      parts.push(id + '=$filter(' + self.escape(filter) + ')');
-    });
-    if (parts.length) return 'var ' + parts.join(',') + ';';
-    return '';
-  },
-
-  varsPrefix: function(section) {
-    return this.state[section].vars.length ? 'var ' + this.state[section].vars.join(',') + ';' : '';
-  },
-
-  body: function(section) {
-    return this.state[section].body.join('');
-  },
-
-  recurse: function(ast, intoId, nameId, recursionFn, create, skipWatchIdCheck) {
-    var left, right, self = this, args, expression, computed;
-    recursionFn = recursionFn || noop;
-    if (!skipWatchIdCheck && isDefined(ast.watchId)) {
-      intoId = intoId || this.nextId();
-      this.if_('i',
-        this.lazyAssign(intoId, this.computedMember('i', ast.watchId)),
-        this.lazyRecurse(ast, intoId, nameId, recursionFn, create, true)
-      );
-      return;
-    }
-    switch (ast.type) {
-    case AST.Program:
-      forEach(ast.body, function(expression, pos) {
-        self.recurse(expression.expression, undefined, undefined, function(expr) { right = expr; });
-        if (pos !== ast.body.length - 1) {
-          self.current().body.push(right, ';');
-        } else {
-          self.return_(right);
-        }
-      });
-      break;
-    case AST.Literal:
-      expression = this.escape(ast.value);
-      this.assign(intoId, expression);
-      recursionFn(intoId || expression);
-      break;
-    case AST.UnaryExpression:
-      this.recurse(ast.argument, undefined, undefined, function(expr) { right = expr; });
-      expression = ast.operator + '(' + this.ifDefined(right, 0) + ')';
-      this.assign(intoId, expression);
-      recursionFn(expression);
-      break;
-    case AST.BinaryExpression:
-      this.recurse(ast.left, undefined, undefined, function(expr) { left = expr; });
-      this.recurse(ast.right, undefined, undefined, function(expr) { right = expr; });
-      if (ast.operator === '+') {
-        expression = this.plus(left, right);
-      } else if (ast.operator === '-') {
-        expression = this.ifDefined(left, 0) + ast.operator + this.ifDefined(right, 0);
-      } else {
-        expression = '(' + left + ')' + ast.operator + '(' + right + ')';
-      }
-      this.assign(intoId, expression);
-      recursionFn(expression);
-      break;
-    case AST.LogicalExpression:
-      intoId = intoId || this.nextId();
-      self.recurse(ast.left, intoId);
-      self.if_(ast.operator === '&&' ? intoId : self.not(intoId), self.lazyRecurse(ast.right, intoId));
-      recursionFn(intoId);
-      break;
-    case AST.ConditionalExpression:
-      intoId = intoId || this.nextId();
-      self.recurse(ast.test, intoId);
-      self.if_(intoId, self.lazyRecurse(ast.alternate, intoId), self.lazyRecurse(ast.consequent, intoId));
-      recursionFn(intoId);
-      break;
-    case AST.Identifier:
-      intoId = intoId || this.nextId();
-      if (nameId) {
-        nameId.context = self.stage === 'inputs' ? 's' : this.assign(this.nextId(), this.getHasOwnProperty('l', ast.name) + '?l:s');
-        nameId.computed = false;
-        nameId.name = ast.name;
-      }
-      self.if_(self.stage === 'inputs' || self.not(self.getHasOwnProperty('l', ast.name)),
-        function() {
-          self.if_(self.stage === 'inputs' || 's', function() {
-            if (create && create !== 1) {
-              self.if_(
-                self.isNull(self.nonComputedMember('s', ast.name)),
-                self.lazyAssign(self.nonComputedMember('s', ast.name), '{}'));
-            }
-            self.assign(intoId, self.nonComputedMember('s', ast.name));
-          });
-        }, intoId && self.lazyAssign(intoId, self.nonComputedMember('l', ast.name))
-        );
-      recursionFn(intoId);
-      break;
-    case AST.MemberExpression:
-      left = nameId && (nameId.context = this.nextId()) || this.nextId();
-      intoId = intoId || this.nextId();
-      self.recurse(ast.object, left, undefined, function() {
-        self.if_(self.notNull(left), function() {
-          if (ast.computed) {
-            right = self.nextId();
-            self.recurse(ast.property, right);
-            self.getStringValue(right);
-            if (create && create !== 1) {
-              self.if_(self.not(self.computedMember(left, right)), self.lazyAssign(self.computedMember(left, right), '{}'));
-            }
-            expression = self.computedMember(left, right);
-            self.assign(intoId, expression);
-            if (nameId) {
-              nameId.computed = true;
-              nameId.name = right;
-            }
-          } else {
-            if (create && create !== 1) {
-              self.if_(self.isNull(self.nonComputedMember(left, ast.property.name)), self.lazyAssign(self.nonComputedMember(left, ast.property.name), '{}'));
-            }
-            expression = self.nonComputedMember(left, ast.property.name);
-            self.assign(intoId, expression);
-            if (nameId) {
-              nameId.computed = false;
-              nameId.name = ast.property.name;
-            }
-          }
-        }, function() {
-          self.assign(intoId, 'undefined');
-        });
-        recursionFn(intoId);
-      }, !!create);
-      break;
-    case AST.CallExpression:
-      intoId = intoId || this.nextId();
-      if (ast.filter) {
-        right = self.filter(ast.callee.name);
-        args = [];
-        forEach(ast.arguments, function(expr) {
-          var argument = self.nextId();
-          self.recurse(expr, argument);
-          args.push(argument);
-        });
-        expression = right + '(' + args.join(',') + ')';
-        self.assign(intoId, expression);
-        recursionFn(intoId);
-      } else {
-        right = self.nextId();
-        left = {};
-        args = [];
-        self.recurse(ast.callee, right, left, function() {
-          self.if_(self.notNull(right), function() {
-            forEach(ast.arguments, function(expr) {
-              self.recurse(expr, ast.constant ? undefined : self.nextId(), undefined, function(argument) {
-                args.push(argument);
-              });
-            });
-            if (left.name) {
-              expression = self.member(left.context, left.name, left.computed) + '(' + args.join(',') + ')';
-            } else {
-              expression = right + '(' + args.join(',') + ')';
-            }
-            self.assign(intoId, expression);
-          }, function() {
-            self.assign(intoId, 'undefined');
-          });
-          recursionFn(intoId);
-        });
-      }
-      break;
-    case AST.AssignmentExpression:
-      right = this.nextId();
-      left = {};
-      this.recurse(ast.left, undefined, left, function() {
-        self.if_(self.notNull(left.context), function() {
-          self.recurse(ast.right, right);
-          expression = self.member(left.context, left.name, left.computed) + ast.operator + right;
-          self.assign(intoId, expression);
-          recursionFn(intoId || expression);
-        });
-      }, 1);
-      break;
-    case AST.ArrayExpression:
-      args = [];
-      forEach(ast.elements, function(expr) {
-        self.recurse(expr, ast.constant ? undefined : self.nextId(), undefined, function(argument) {
-          args.push(argument);
-        });
-      });
-      expression = '[' + args.join(',') + ']';
-      this.assign(intoId, expression);
-      recursionFn(intoId || expression);
-      break;
-    case AST.ObjectExpression:
-      args = [];
-      computed = false;
-      forEach(ast.properties, function(property) {
-        if (property.computed) {
-          computed = true;
-        }
-      });
-      if (computed) {
-        intoId = intoId || this.nextId();
-        this.assign(intoId, '{}');
-        forEach(ast.properties, function(property) {
-          if (property.computed) {
-            left = self.nextId();
-            self.recurse(property.key, left);
-          } else {
-            left = property.key.type === AST.Identifier ?
-                       property.key.name :
-                       ('' + property.key.value);
-          }
-          right = self.nextId();
-          self.recurse(property.value, right);
-          self.assign(self.member(intoId, left, property.computed), right);
-        });
-      } else {
-        forEach(ast.properties, function(property) {
-          self.recurse(property.value, ast.constant ? undefined : self.nextId(), undefined, function(expr) {
-            args.push(self.escape(
-                property.key.type === AST.Identifier ? property.key.name :
-                  ('' + property.key.value)) +
-                ':' + expr);
-          });
-        });
-        expression = '{' + args.join(',') + '}';
-        this.assign(intoId, expression);
-      }
-      recursionFn(intoId || expression);
-      break;
-    case AST.ThisExpression:
-      this.assign(intoId, 's');
-      recursionFn(intoId || 's');
-      break;
-    case AST.LocalsExpression:
-      this.assign(intoId, 'l');
-      recursionFn(intoId || 'l');
-      break;
-    case AST.NGValueParameter:
-      this.assign(intoId, 'v');
-      recursionFn(intoId || 'v');
-      break;
-    }
-  },
-
-  getHasOwnProperty: function(element, property) {
-    var key = element + '.' + property;
-    var own = this.current().own;
-    if (!own.hasOwnProperty(key)) {
-      own[key] = this.nextId(false, element + '&&(' + this.escape(property) + ' in ' + element + ')');
-    }
-    return own[key];
-  },
-
-  assign: function(id, value) {
-    if (!id) return;
-    this.current().body.push(id, '=', value, ';');
-    return id;
-  },
-
-  filter: function(filterName) {
-    if (!this.state.filters.hasOwnProperty(filterName)) {
-      this.state.filters[filterName] = this.nextId(true);
-    }
-    return this.state.filters[filterName];
-  },
-
-  ifDefined: function(id, defaultValue) {
-    return 'ifDefined(' + id + ',' + this.escape(defaultValue) + ')';
-  },
-
-  plus: function(left, right) {
-    return 'plus(' + left + ',' + right + ')';
-  },
-
-  return_: function(id) {
-    this.current().body.push('return ', id, ';');
-  },
-
-  if_: function(test, alternate, consequent) {
-    if (test === true) {
-      alternate();
-    } else {
-      var body = this.current().body;
-      body.push('if(', test, '){');
-      alternate();
-      body.push('}');
-      if (consequent) {
-        body.push('else{');
-        consequent();
-        body.push('}');
-      }
-    }
-  },
-
-  not: function(expression) {
-    return '!(' + expression + ')';
-  },
-
-  isNull: function(expression) {
-    return expression + '==null';
-  },
-
-  notNull: function(expression) {
-    return expression + '!=null';
-  },
-
-  nonComputedMember: function(left, right) {
-    var SAFE_IDENTIFIER = /^[$_a-zA-Z][$_a-zA-Z0-9]*$/;
-    var UNSAFE_CHARACTERS = /[^$_a-zA-Z0-9]/g;
-    if (SAFE_IDENTIFIER.test(right)) {
-      return left + '.' + right;
-    } else {
-      return left  + '["' + right.replace(UNSAFE_CHARACTERS, this.stringEscapeFn) + '"]';
-    }
-  },
-
-  computedMember: function(left, right) {
-    return left + '[' + right + ']';
-  },
-
-  member: function(left, right, computed) {
-    if (computed) return this.computedMember(left, right);
-    return this.nonComputedMember(left, right);
-  },
-
-  getStringValue: function(item) {
-    this.assign(item, 'getStringValue(' + item + ')');
-  },
-
-  lazyRecurse: function(ast, intoId, nameId, recursionFn, create, skipWatchIdCheck) {
-    var self = this;
-    return function() {
-      self.recurse(ast, intoId, nameId, recursionFn, create, skipWatchIdCheck);
-    };
-  },
-
-  lazyAssign: function(id, value) {
-    var self = this;
-    return function() {
-      self.assign(id, value);
-    };
-  },
-
-  stringEscapeRegex: /[^ a-zA-Z0-9]/g,
-
-  stringEscapeFn: function(c) {
-    return '\\u' + ('0000' + c.charCodeAt(0).toString(16)).slice(-4);
-  },
-
-  escape: function(value) {
-    if (isString(value)) return '\'' + value.replace(this.stringEscapeRegex, this.stringEscapeFn) + '\'';
-    if (isNumber(value)) return value.toString();
-    if (value === true) return 'true';
-    if (value === false) return 'false';
-    if (value === null) return 'null';
-    if (typeof value === 'undefined') return 'undefined';
-
-    throw $parseMinErr('esc', 'IMPOSSIBLE');
-  },
-
-  nextId: function(skip, init) {
-    var id = 'v' + (this.state.nextId++);
-    if (!skip) {
-      this.current().vars.push(id + (init ? '=' + init : ''));
-    }
-    return id;
-  },
-
-  current: function() {
-    return this.state[this.state.computing];
-  }
+	compile: function(expression) {
+		var self = this;
+		var ast = this.astBuilder.ast(expression);
+		this.state = {
+			nextId: 0,
+			filters: {},
+			fn: { vars: [], body: [], own: {} },
+			assign: { vars: [], body: [], own: {} },
+			inputs: []
+		};
+		findConstantAndWatchExpressions(ast, self.$filter);
+		var extra = "";
+		var assignable;
+		this.stage = "assign";
+		if ((assignable = assignableAST(ast))) {
+			this.state.computing = "assign";
+			var result = this.nextId();
+			this.recurse(assignable, result);
+			this.return_(result);
+			extra = "fn.assign=" + this.generateFunction("assign", "s,v,l");
+		}
+		var toWatch = getInputs(ast.body);
+		self.stage = "inputs";
+		forEach(toWatch, function(watch, key) {
+			var fnKey = "fn" + key;
+			self.state[fnKey] = { vars: [], body: [], own: {} };
+			self.state.computing = fnKey;
+			var intoId = self.nextId();
+			self.recurse(watch, intoId);
+			self.return_(intoId);
+			self.state.inputs.push(fnKey);
+			watch.watchId = key;
+		});
+		this.state.computing = "fn";
+		this.stage = "main";
+		this.recurse(ast);
+		var fnString =
+			// The build and minification steps remove the string "use strict" from the code, but this is done using a regex.
+			// This is a workaround for this until we do a better job at only removing the prefix only when we should.
+			'"' +
+			this.USE +
+			" " +
+			this.STRICT +
+			'";\n' +
+			this.filterPrefix() +
+			"var fn=" +
+			this.generateFunction("fn", "s,l,a,i") +
+			extra +
+			this.watchFns() +
+			"return fn;";
+		// eslint-disable-next-line no-new-func
+		var fn = new Function(
+			"$filter",
+			"getStringValue",
+			"ifDefined",
+			"plus",
+			fnString
+		)(this.$filter, getStringValue, ifDefined, plusFn);
+
+		this.state = this.stage = undefined;
+		fn.ast = ast;
+		fn.literal = isLiteral(ast);
+		fn.constant = isConstant(ast);
+		return fn;
+	},
+
+	USE: "use",
+
+	STRICT: "strict",
+
+	watchFns: function() {
+		var result = [];
+		var fns = this.state.inputs;
+		var self = this;
+		forEach(fns, function(name) {
+			result.push("var " + name + "=" + self.generateFunction(name, "s"));
+		});
+		if (fns.length) {
+			result.push("fn.inputs=[" + fns.join(",") + "];");
+		}
+		return result.join("");
+	},
+
+	generateFunction: function(name, params) {
+		return (
+			"function(" +
+			params +
+			"){" +
+			this.varsPrefix(name) +
+			this.body(name) +
+			"};"
+		);
+	},
+
+	filterPrefix: function() {
+		var parts = [];
+		var self = this;
+		forEach(this.state.filters, function(id, filter) {
+			parts.push(id + "=$filter(" + self.escape(filter) + ")");
+		});
+		if (parts.length) return "var " + parts.join(",") + ";";
+		return "";
+	},
+
+	varsPrefix: function(section) {
+		return this.state[section].vars.length
+			? "var " + this.state[section].vars.join(",") + ";"
+			: "";
+	},
+
+	body: function(section) {
+		return this.state[section].body.join("");
+	},
+
+	recurse: function(
+		ast,
+		intoId,
+		nameId,
+		recursionFn,
+		create,
+		skipWatchIdCheck
+	) {
+		var left,
+			right,
+			self = this,
+			args,
+			expression,
+			computed;
+		recursionFn = recursionFn || noop;
+		if (!skipWatchIdCheck && isDefined(ast.watchId)) {
+			intoId = intoId || this.nextId();
+			this.if_(
+				"i",
+				this.lazyAssign(intoId, this.computedMember("i", ast.watchId)),
+				this.lazyRecurse(ast, intoId, nameId, recursionFn, create, true)
+			);
+			return;
+		}
+		switch (ast.type) {
+			case AST.Program:
+				forEach(ast.body, function(expression, pos) {
+					self.recurse(expression.expression, undefined, undefined, function(
+						expr
+					) {
+						right = expr;
+					});
+					if (pos !== ast.body.length - 1) {
+						self.current().body.push(right, ";");
+					} else {
+						self.return_(right);
+					}
+				});
+				break;
+			case AST.Literal:
+				expression = this.escape(ast.value);
+				this.assign(intoId, expression);
+				recursionFn(intoId || expression);
+				break;
+			case AST.UnaryExpression:
+				this.recurse(ast.argument, undefined, undefined, function(expr) {
+					right = expr;
+				});
+				expression = ast.operator + "(" + this.ifDefined(right, 0) + ")";
+				this.assign(intoId, expression);
+				recursionFn(expression);
+				break;
+			case AST.BinaryExpression:
+				this.recurse(ast.left, undefined, undefined, function(expr) {
+					left = expr;
+				});
+				this.recurse(ast.right, undefined, undefined, function(expr) {
+					right = expr;
+				});
+				if (ast.operator === "+") {
+					expression = this.plus(left, right);
+				} else if (ast.operator === "-") {
+					expression =
+						this.ifDefined(left, 0) + ast.operator + this.ifDefined(right, 0);
+				} else {
+					expression = "(" + left + ")" + ast.operator + "(" + right + ")";
+				}
+				this.assign(intoId, expression);
+				recursionFn(expression);
+				break;
+			case AST.LogicalExpression:
+				intoId = intoId || this.nextId();
+				self.recurse(ast.left, intoId);
+				self.if_(
+					ast.operator === "&&" ? intoId : self.not(intoId),
+					self.lazyRecurse(ast.right, intoId)
+				);
+				recursionFn(intoId);
+				break;
+			case AST.ConditionalExpression:
+				intoId = intoId || this.nextId();
+				self.recurse(ast.test, intoId);
+				self.if_(
+					intoId,
+					self.lazyRecurse(ast.alternate, intoId),
+					self.lazyRecurse(ast.consequent, intoId)
+				);
+				recursionFn(intoId);
+				break;
+			case AST.Identifier:
+				intoId = intoId || this.nextId();
+				if (nameId) {
+					nameId.context =
+						self.stage === "inputs"
+							? "s"
+							: this.assign(
+									this.nextId(),
+									this.getHasOwnProperty("l", ast.name) + "?l:s"
+							  );
+					nameId.computed = false;
+					nameId.name = ast.name;
+				}
+				self.if_(
+					self.stage === "inputs" ||
+						self.not(self.getHasOwnProperty("l", ast.name)),
+					function() {
+						self.if_(
+							self.stage === "inputs" ||
+								self.and_(
+									"s",
+									self.or_(
+										self.isNull(self.nonComputedMember("s", ast.name)),
+										self.hasOwnProperty_("s", ast.name)
+									)
+								),
+							function() {
+								if (create && create !== 1) {
+									self.if_(
+										self.isNull(self.nonComputedMember("s", ast.name)),
+										self.lazyAssign(self.nonComputedMember("s", ast.name), "{}")
+									);
+								}
+								self.assign(intoId, self.nonComputedMember("s", ast.name));
+							}
+						);
+					},
+					intoId &&
+						self.lazyAssign(intoId, self.nonComputedMember("l", ast.name))
+				);
+				recursionFn(intoId);
+				break;
+			case AST.MemberExpression:
+				left = (nameId && (nameId.context = this.nextId())) || this.nextId();
+				intoId = intoId || this.nextId();
+				self.recurse(
+					ast.object,
+					left,
+					undefined,
+					function() {
+						var member = null;
+						if (ast.computed) {
+							right = self.nextId();
+							member = self.computedMember(left, right);
+						} else {
+							member = self.nonComputedMember(left, ast.property.name);
+							right = ast.property.name;
+						}
+
+						if (ast.computed) {
+							if (ast.property.type === AST.Literal) {
+								self.recurse(ast.property, right);
+							}
+						}
+						self.if_(
+							self.and_(
+								self.notNull(left),
+								self.or_(
+									self.isNull(member),
+									self.hasOwnProperty_(left, right, ast.computed)
+								)
+							),
+							function() {
+								if (ast.computed) {
+									if (ast.property.type !== AST.Literal) {
+										self.recurse(ast.property, right);
+									}
+									if (create && create !== 1) {
+										self.if_(self.not(member), self.lazyAssign(member, "{}"));
+									}
+									self.assign(intoId, member);
+									if (nameId) {
+										nameId.computed = true;
+										nameId.name = right;
+									}
+								} else {
+									if (create && create !== 1) {
+										self.if_(
+											self.isNull(member),
+											self.lazyAssign(member, "{}")
+										);
+									}
+									self.assign(intoId, member);
+									if (nameId) {
+										nameId.computed = false;
+										nameId.name = ast.property.name;
+									}
+								}
+							},
+							function() {
+								self.assign(intoId, "undefined");
+							}
+						);
+						recursionFn(intoId);
+					},
+					!!create
+				);
+				break;
+			case AST.CallExpression:
+				intoId = intoId || this.nextId();
+				if (ast.filter) {
+					right = self.filter(ast.callee.name);
+					args = [];
+					forEach(ast.arguments, function(expr) {
+						var argument = self.nextId();
+						self.recurse(expr, argument);
+						args.push(argument);
+					});
+					expression = right + ".call(" + right + "," + args.join(",") + ")";
+					self.assign(intoId, expression);
+					recursionFn(intoId);
+				} else {
+					right = self.nextId();
+					left = {};
+					args = [];
+					self.recurse(ast.callee, right, left, function() {
+						self.if_(
+							self.notNull(right),
+							function() {
+								forEach(ast.arguments, function(expr) {
+									self.recurse(
+										expr,
+										ast.constant ? undefined : self.nextId(),
+										undefined,
+										function(argument) {
+											args.push(argument);
+										}
+									);
+								});
+								if (left.name) {
+									var x = self.member(left.context, left.name, left.computed);
+									expression =
+										x + ".call(" + [left.context].concat(args).join(",") + ")";
+								} else {
+									expression = right + "(" + args.join(",") + ")";
+								}
+								self.assign(intoId, expression);
+							},
+							function() {
+								self.assign(intoId, "undefined");
+							}
+						);
+						recursionFn(intoId);
+					});
+				}
+				break;
+			case AST.AssignmentExpression:
+				right = this.nextId();
+				left = {};
+				this.recurse(
+					ast.left,
+					undefined,
+					left,
+					function() {
+						self.if_(
+							self.and_(
+								self.notNull(left.context),
+								self.or_(
+									self.hasOwnProperty_(left.context, left.name),
+									self.isNull(
+										self.member(left.context, left.name, left.computed)
+									)
+								)
+							),
+							function() {
+								self.recurse(ast.right, right);
+								expression =
+									self.member(left.context, left.name, left.computed) +
+									ast.operator +
+									right;
+								self.assign(intoId, expression);
+								recursionFn(intoId || expression);
+							}
+						);
+					},
+					1
+				);
+				break;
+			case AST.ArrayExpression:
+				args = [];
+				forEach(ast.elements, function(expr) {
+					self.recurse(
+						expr,
+						ast.constant ? undefined : self.nextId(),
+						undefined,
+						function(argument) {
+							args.push(argument);
+						}
+					);
+				});
+				expression = "[" + args.join(",") + "]";
+				this.assign(intoId, expression);
+				recursionFn(intoId || expression);
+				break;
+			case AST.ObjectExpression:
+				args = [];
+				computed = false;
+				forEach(ast.properties, function(property) {
+					if (property.computed) {
+						computed = true;
+					}
+				});
+				if (computed) {
+					intoId = intoId || this.nextId();
+					this.assign(intoId, "{}");
+					forEach(ast.properties, function(property) {
+						if (property.computed) {
+							left = self.nextId();
+							self.recurse(property.key, left);
+						} else {
+							left =
+								property.key.type === AST.Identifier
+									? property.key.name
+									: "" + property.key.value;
+						}
+						right = self.nextId();
+						self.recurse(property.value, right);
+						self.assign(self.member(intoId, left, property.computed), right);
+					});
+				} else {
+					forEach(ast.properties, function(property) {
+						self.recurse(
+							property.value,
+							ast.constant ? undefined : self.nextId(),
+							undefined,
+							function(expr) {
+								args.push(
+									self.escape(
+										property.key.type === AST.Identifier
+											? property.key.name
+											: "" + property.key.value
+									) +
+										":" +
+										expr
+								);
+							}
+						);
+					});
+					expression = "{" + args.join(",") + "}";
+					this.assign(intoId, expression);
+				}
+				recursionFn(intoId || expression);
+				break;
+			case AST.ThisExpression:
+				this.assign(intoId, "s");
+				recursionFn(intoId || "s");
+				break;
+			case AST.LocalsExpression:
+				this.assign(intoId, "l");
+				recursionFn(intoId || "l");
+				break;
+			case AST.NGValueParameter:
+				this.assign(intoId, "v");
+				recursionFn(intoId || "v");
+				break;
+		}
+	},
+
+	getHasOwnProperty: function(element, property) {
+		var key = element + "." + property;
+		var own = this.current().own;
+		if (!own.hasOwnProperty(key)) {
+			own[key] = this.nextId(
+				false,
+				element + "&&(" + this.escape(property) + " in " + element + ")"
+			);
+		}
+		return own[key];
+	},
+
+	assign: function(id, value) {
+		if (!id) return;
+		this.current().body.push(id, "=", value, ";");
+		return id;
+	},
+
+	filter: function(filterName) {
+		if (!this.state.filters.hasOwnProperty(filterName)) {
+			this.state.filters[filterName] = this.nextId(true);
+		}
+		return this.state.filters[filterName];
+	},
+
+	ifDefined: function(id, defaultValue) {
+		return "ifDefined(" + id + "," + this.escape(defaultValue) + ")";
+	},
+
+	plus: function(left, right) {
+		return "plus(" + left + "," + right + ")";
+	},
+
+	return_: function(id) {
+		this.current().body.push("return ", id, ";");
+	},
+
+	if_: function(test, alternate, consequent) {
+		if (test === true) {
+			alternate();
+		} else {
+			var body = this.current().body;
+			body.push("if(", test, "){");
+			alternate();
+			body.push("}");
+			if (consequent) {
+				body.push("else{");
+				consequent();
+				body.push("}");
+			}
+		}
+	},
+	or_: function(expr1, expr2) {
+		return "(" + expr1 + ") || (" + expr2 + ")";
+	},
+	hasOwnProperty_: function(obj, prop, computed) {
+		if (computed) {
+			return "(Object.prototype.hasOwnProperty.call(" + obj + "," + prop + "))";
+		} else {
+			return (
+				"(Object.prototype.hasOwnProperty.call(" + obj + ",'" + prop + "'))"
+			);
+		}
+	},
+	and_: function(expr1, expr2) {
+		return "(" + expr1 + ") && (" + expr2 + ")";
+	},
+	not: function(expression) {
+		return "!(" + expression + ")";
+	},
+
+	isNull: function(expression) {
+		return expression + "==null";
+	},
+
+	notNull: function(expression) {
+		return expression + "!=null";
+	},
+
+	nonComputedMember: function(left, right) {
+		var SAFE_IDENTIFIER = /^[$_a-zA-Z][$_a-zA-Z0-9]*$/;
+		var UNSAFE_CHARACTERS = /[^$_a-zA-Z0-9]/g;
+		var expr = "";
+		if (SAFE_IDENTIFIER.test(right)) {
+			expr = left + "." + right;
+		} else {
+			right = right.replace(UNSAFE_CHARACTERS, this.stringEscapeFn);
+			expr = left + '["' + right + '"]';
+		}
+
+		return expr;
+	},
+
+	computedMember: function(left, right) {
+		return left + "[" + right + "]";
+	},
+
+	member: function(left, right, computed) {
+		if (computed) return this.computedMember(left, right);
+		return this.nonComputedMember(left, right);
+	},
+
+	getStringValue: function(item) {
+		this.assign(item, "getStringValue(" + item + ")");
+	},
+
+	lazyRecurse: function(
+		ast,
+		intoId,
+		nameId,
+		recursionFn,
+		create,
+		skipWatchIdCheck
+	) {
+		var self = this;
+		return function() {
+			self.recurse(ast, intoId, nameId, recursionFn, create, skipWatchIdCheck);
+		};
+	},
+
+	lazyAssign: function(id, value) {
+		var self = this;
+		return function() {
+			self.assign(id, value);
+		};
+	},
+
+	stringEscapeRegex: /[^ a-zA-Z0-9]/g,
+
+	stringEscapeFn: function(c) {
+		return "\\u" + ("0000" + c.charCodeAt(0).toString(16)).slice(-4);
+	},
+
+	escape: function(value) {
+		if (isString(value))
+			return (
+				"'" + value.replace(this.stringEscapeRegex, this.stringEscapeFn) + "'"
+			);
+		if (isNumber(value)) return value.toString();
+		if (value === true) return "true";
+		if (value === false) return "false";
+		if (value === null) return "null";
+		if (typeof value === "undefined") return "undefined";
+
+		throw $parseMinErr("esc", "IMPOSSIBLE");
+	},
+
+	nextId: function(skip, init) {
+		var id = "v" + this.state.nextId++;
+		if (!skip) {
+			this.current().vars.push(id + (init ? "=" + init : ""));
+		}
+		return id;
+	},
+
+	current: function() {
+		return this.state[this.state.computing];
+	}
 };
 
-
 function ASTInterpreter(astBuilder, $filter) {
-  this.astBuilder = astBuilder;
-  this.$filter = $filter;
+	this.astBuilder = astBuilder;
+	this.$filter = $filter;
 }
 
 ASTInterpreter.prototype = {
-  compile: function(expression) {
-    var self = this;
-    var ast = this.astBuilder.ast(expression);
-    findConstantAndWatchExpressions(ast, self.$filter);
-    var assignable;
-    var assign;
-    if ((assignable = assignableAST(ast))) {
-      assign = this.recurse(assignable);
-    }
-    var toWatch = getInputs(ast.body);
-    var inputs;
-    if (toWatch) {
-      inputs = [];
-      forEach(toWatch, function(watch, key) {
-        var input = self.recurse(watch);
-        watch.input = input;
-        inputs.push(input);
-        watch.watchId = key;
-      });
-    }
-    var expressions = [];
-    forEach(ast.body, function(expression) {
-      expressions.push(self.recurse(expression.expression));
-    });
-    var fn = ast.body.length === 0 ? noop :
-             ast.body.length === 1 ? expressions[0] :
-             function(scope, locals) {
-               var lastValue;
-               forEach(expressions, function(exp) {
-                 lastValue = exp(scope, locals);
-               });
-               return lastValue;
-             };
-    if (assign) {
-      fn.assign = function(scope, value, locals) {
-        return assign(scope, locals, value);
-      };
-    }
-    if (inputs) {
-      fn.inputs = inputs;
-    }
-    fn.ast = ast;
-fn.literal = isLiteral(ast);
-    fn.constant = isConstant(ast);
-    return fn;
-  },
-
-  recurse: function(ast, context, create) {
-    var left, right, self = this, args;
-    if (ast.input) {
-      return this.inputs(ast.input, ast.watchId);
-    }
-    switch (ast.type) {
-    case AST.Literal:
-      return this.value(ast.value, context);
-    case AST.UnaryExpression:
-      right = this.recurse(ast.argument);
-      return this['unary' + ast.operator](right, context);
-    case AST.BinaryExpression:
-      left = this.recurse(ast.left);
-      right = this.recurse(ast.right);
-      return this['binary' + ast.operator](left, right, context);
-    case AST.LogicalExpression:
-      left = this.recurse(ast.left);
-      right = this.recurse(ast.right);
-      return this['binary' + ast.operator](left, right, context);
-    case AST.ConditionalExpression:
-      return this['ternary?:'](
-        this.recurse(ast.test),
-        this.recurse(ast.alternate),
-        this.recurse(ast.consequent),
-        context
-      );
-    case AST.Identifier:
-      return self.identifier(ast.name, context, create);
-    case AST.MemberExpression:
-      left = this.recurse(ast.object, false, !!create);
-      if (!ast.computed) {
-        right = ast.property.name;
-      }
-      if (ast.computed) right = this.recurse(ast.property);
-      return ast.computed ?
-        this.computedMember(left, right, context, create) :
-        this.nonComputedMember(left, right, context, create);
-    case AST.CallExpression:
-      args = [];
-      forEach(ast.arguments, function(expr) {
-        args.push(self.recurse(expr));
-      });
-      if (ast.filter) right = this.$filter(ast.callee.name);
-      if (!ast.filter) right = this.recurse(ast.callee, true);
-      return ast.filter ?
-        function(scope, locals, assign, inputs) {
-          var values = [];
-          for (var i = 0; i < args.length; ++i) {
-            values.push(args[i](scope, locals, assign, inputs));
-          }
-          var value = right.apply(undefined, values, inputs);
-          return context ? {context: undefined, name: undefined, value: value} : value;
-        } :
-        function(scope, locals, assign, inputs) {
-          var rhs = right(scope, locals, assign, inputs);
-          var value;
-          if (rhs.value != null) {
-            var values = [];
-            for (var i = 0; i < args.length; ++i) {
-              values.push(args[i](scope, locals, assign, inputs));
-            }
-            value = rhs.value.apply(rhs.context, values);
-          }
-          return context ? {value: value} : value;
-        };
-    case AST.AssignmentExpression:
-      left = this.recurse(ast.left, true, 1);
-      right = this.recurse(ast.right);
-      return function(scope, locals, assign, inputs) {
-        var lhs = left(scope, locals, assign, inputs);
-        var rhs = right(scope, locals, assign, inputs);
-        lhs.context[lhs.name] = rhs;
-        return context ? {value: rhs} : rhs;
-      };
-    case AST.ArrayExpression:
-      args = [];
-      forEach(ast.elements, function(expr) {
-        args.push(self.recurse(expr));
-      });
-      return function(scope, locals, assign, inputs) {
-        var value = [];
-        for (var i = 0; i < args.length; ++i) {
-          value.push(args[i](scope, locals, assign, inputs));
-        }
-        return context ? {value: value} : value;
-      };
-    case AST.ObjectExpression:
-      args = [];
-      forEach(ast.properties, function(property) {
-        if (property.computed) {
-          args.push({key: self.recurse(property.key),
-                     computed: true,
-                     value: self.recurse(property.value)
-          });
-        } else {
-          args.push({key: property.key.type === AST.Identifier ?
-                          property.key.name :
-                          ('' + property.key.value),
-                     computed: false,
-                     value: self.recurse(property.value)
-          });
-        }
-      });
-      return function(scope, locals, assign, inputs) {
-        var value = {};
-        for (var i = 0; i < args.length; ++i) {
-          if (args[i].computed) {
-            value[args[i].key(scope, locals, assign, inputs)] = args[i].value(scope, locals, assign, inputs);
-          } else {
-            value[args[i].key] = args[i].value(scope, locals, assign, inputs);
-          }
-        }
-        return context ? {value: value} : value;
-      };
-    case AST.ThisExpression:
-      return function(scope) {
-        return context ? {value: scope} : scope;
-      };
-    case AST.LocalsExpression:
-      return function(scope, locals) {
-        return context ? {value: locals} : locals;
-      };
-    case AST.NGValueParameter:
-      return function(scope, locals, assign) {
-        return context ? {value: assign} : assign;
-      };
-    }
-  },
-
-  'unary+': function(argument, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = argument(scope, locals, assign, inputs);
-      if (isDefined(arg)) {
-        arg = +arg;
-      } else {
-        arg = 0;
-      }
-      return context ? {value: arg} : arg;
-    };
-  },
-  'unary-': function(argument, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = argument(scope, locals, assign, inputs);
-      if (isDefined(arg)) {
-        arg = -arg;
-      } else {
-        arg = -0;
-      }
-      return context ? {value: arg} : arg;
-    };
-  },
-  'unary!': function(argument, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = !argument(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary+': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var lhs = left(scope, locals, assign, inputs);
-      var rhs = right(scope, locals, assign, inputs);
-      var arg = plusFn(lhs, rhs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary-': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var lhs = left(scope, locals, assign, inputs);
-      var rhs = right(scope, locals, assign, inputs);
-      var arg = (isDefined(lhs) ? lhs : 0) - (isDefined(rhs) ? rhs : 0);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary*': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) * right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary/': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) / right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary%': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) % right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary===': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) === right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary!==': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) !== right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary==': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      // eslint-disable-next-line eqeqeq
-      var arg = left(scope, locals, assign, inputs) == right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary!=': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      // eslint-disable-next-line eqeqeq
-      var arg = left(scope, locals, assign, inputs) != right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary<': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) < right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary>': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) > right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary<=': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) <= right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary>=': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) >= right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary&&': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) && right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'binary||': function(left, right, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = left(scope, locals, assign, inputs) || right(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  'ternary?:': function(test, alternate, consequent, context) {
-    return function(scope, locals, assign, inputs) {
-      var arg = test(scope, locals, assign, inputs) ? alternate(scope, locals, assign, inputs) : consequent(scope, locals, assign, inputs);
-      return context ? {value: arg} : arg;
-    };
-  },
-  value: function(value, context) {
-    return function() { return context ? {context: undefined, name: undefined, value: value} : value; };
-  },
-  identifier: function(name, context, create) {
-    return function(scope, locals, assign, inputs) {
-      var base = locals && (name in locals) ? locals : scope;
-      if (create && create !== 1 && base && base[name] == null) {
-        base[name] = {};
-      }
-      var value = base ? base[name] : undefined;
-      if (context) {
-        return {context: base, name: name, value: value};
-      } else {
-        return value;
-      }
-    };
-  },
-  computedMember: function(left, right, context, create) {
-    return function(scope, locals, assign, inputs) {
-      var lhs = left(scope, locals, assign, inputs);
-      var rhs;
-      var value;
-      if (lhs != null) {
-        rhs = right(scope, locals, assign, inputs);
-        rhs = getStringValue(rhs);
-        if (create && create !== 1) {
-          if (lhs && !(lhs[rhs])) {
-            lhs[rhs] = {};
-          }
-        }
-        value = lhs[rhs];
-      }
-      if (context) {
-        return {context: lhs, name: rhs, value: value};
-      } else {
-        return value;
-      }
-    };
-  },
-  nonComputedMember: function(left, right, context, create) {
-    return function(scope, locals, assign, inputs) {
-      var lhs = left(scope, locals, assign, inputs);
-      if (create && create !== 1) {
-        if (lhs && lhs[right] == null) {
-          lhs[right] = {};
-        }
-      }
-      var value = lhs != null ? lhs[right] : undefined;
-      if (context) {
-        return {context: lhs, name: right, value: value};
-      } else {
-        return value;
-      }
-    };
-  },
-  inputs: function(input, watchId) {
-    return function(scope, value, locals, inputs) {
-      if (inputs) return inputs[watchId];
-      return input(scope, value, locals);
-    };
-  }
+	compile: function(expression) {
+		var self = this;
+		var ast = this.astBuilder.ast(expression);
+		findConstantAndWatchExpressions(ast, self.$filter);
+		var assignable;
+		var assign;
+		if ((assignable = assignableAST(ast))) {
+			assign = this.recurse(assignable);
+		}
+		var toWatch = getInputs(ast.body);
+		var inputs;
+		if (toWatch) {
+			inputs = [];
+			forEach(toWatch, function(watch, key) {
+				var input = self.recurse(watch);
+				watch.input = input;
+				inputs.push(input);
+				watch.watchId = key;
+			});
+		}
+		var expressions = [];
+		forEach(ast.body, function(expression) {
+			expressions.push(self.recurse(expression.expression));
+		});
+		var fn =
+			ast.body.length === 0
+				? noop
+				: ast.body.length === 1
+				? expressions[0]
+				: function(scope, locals) {
+						var lastValue;
+						forEach(expressions, function(exp) {
+							lastValue = exp(scope, locals);
+						});
+						return lastValue;
+				  };
+
+		if (assign) {
+			fn.assign = function(scope, value, locals) {
+				return assign(scope, locals, value);
+			};
+		}
+		if (inputs) {
+			fn.inputs = inputs;
+		}
+		fn.ast = ast;
+		fn.literal = isLiteral(ast);
+		fn.constant = isConstant(ast);
+		return fn;
+	},
+
+	recurse: function(ast, context, create) {
+		var left,
+			right,
+			self = this,
+			args;
+		if (ast.input) {
+			return this.inputs(ast.input, ast.watchId);
+		}
+		switch (ast.type) {
+			case AST.Literal:
+				return this.value(ast.value, context);
+			case AST.UnaryExpression:
+				right = this.recurse(ast.argument);
+				return this["unary" + ast.operator](right, context);
+			case AST.BinaryExpression:
+				left = this.recurse(ast.left);
+				right = this.recurse(ast.right);
+				return this["binary" + ast.operator](left, right, context);
+			case AST.LogicalExpression:
+				left = this.recurse(ast.left);
+				right = this.recurse(ast.right);
+				return this["binary" + ast.operator](left, right, context);
+			case AST.ConditionalExpression:
+				return this["ternary?:"](
+					this.recurse(ast.test),
+					this.recurse(ast.alternate),
+					this.recurse(ast.consequent),
+					context
+				);
+			case AST.Identifier:
+				return self.identifier(ast.name, context, create);
+			case AST.MemberExpression:
+				left = this.recurse(ast.object, false, !!create);
+				if (!ast.computed) {
+					right = ast.property.name;
+				}
+				if (ast.computed) right = this.recurse(ast.property);
+				return ast.computed
+					? this.computedMember(left, right, context, create)
+					: this.nonComputedMember(left, right, context, create);
+			case AST.CallExpression:
+				args = [];
+				forEach(ast.arguments, function(expr) {
+					args.push(self.recurse(expr));
+				});
+				if (ast.filter) right = this.$filter(ast.callee.name);
+				if (!ast.filter) right = this.recurse(ast.callee, true);
+				return ast.filter
+					? function(scope, locals, assign, inputs) {
+							var values = [];
+							for (var i = 0; i < args.length; ++i) {
+								values.push(args[i](scope, locals, assign, inputs));
+							}
+							var value = right.apply(undefined, values, inputs);
+							return context
+								? { context: undefined, name: undefined, value: value }
+								: value;
+					  }
+					: function(scope, locals, assign, inputs) {
+							var rhs = right(scope, locals, assign, inputs);
+							var value;
+							if (rhs.value != null) {
+								var values = [];
+								for (var i = 0; i < args.length; ++i) {
+									values.push(args[i](scope, locals, assign, inputs));
+								}
+								value = rhs.value.apply(rhs.context, values);
+							}
+							return context ? { value: value } : value;
+					  };
+			case AST.AssignmentExpression:
+				left = this.recurse(ast.left, true, 1);
+				right = this.recurse(ast.right);
+				return function(scope, locals, assign, inputs) {
+					var lhs = left(scope, locals, assign, inputs);
+					var rhs = right(scope, locals, assign, inputs);
+					lhs.context[lhs.name] = rhs;
+					return context ? { value: rhs } : rhs;
+				};
+			case AST.ArrayExpression:
+				args = [];
+				forEach(ast.elements, function(expr) {
+					args.push(self.recurse(expr));
+				});
+				return function(scope, locals, assign, inputs) {
+					var value = [];
+					for (var i = 0; i < args.length; ++i) {
+						value.push(args[i](scope, locals, assign, inputs));
+					}
+					return context ? { value: value } : value;
+				};
+			case AST.ObjectExpression:
+				args = [];
+				forEach(ast.properties, function(property) {
+					if (property.computed) {
+						args.push({
+							key: self.recurse(property.key),
+							computed: true,
+							value: self.recurse(property.value)
+						});
+					} else {
+						args.push({
+							key:
+								property.key.type === AST.Identifier
+									? property.key.name
+									: "" + property.key.value,
+							computed: false,
+							value: self.recurse(property.value)
+						});
+					}
+				});
+				return function(scope, locals, assign, inputs) {
+					var value = {};
+					for (var i = 0; i < args.length; ++i) {
+						if (args[i].computed) {
+							value[args[i].key(scope, locals, assign, inputs)] = args[i].value(
+								scope,
+								locals,
+								assign,
+								inputs
+							);
+						} else {
+							value[args[i].key] = args[i].value(scope, locals, assign, inputs);
+						}
+					}
+					return context ? { value: value } : value;
+				};
+			case AST.ThisExpression:
+				return function(scope) {
+					return context ? { value: scope } : scope;
+				};
+			case AST.LocalsExpression:
+				return function(scope, locals) {
+					return context ? { value: locals } : locals;
+				};
+			case AST.NGValueParameter:
+				return function(scope, locals, assign) {
+					return context ? { value: assign } : assign;
+				};
+		}
+	},
+
+	"unary+": function(argument, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg = argument(scope, locals, assign, inputs);
+			if (isDefined(arg)) {
+				arg = +arg;
+			} else {
+				arg = 0;
+			}
+			return context ? { value: arg } : arg;
+		};
+	},
+	"unary-": function(argument, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg = argument(scope, locals, assign, inputs);
+			if (isDefined(arg)) {
+				arg = -arg;
+			} else {
+				arg = -0;
+			}
+			return context ? { value: arg } : arg;
+		};
+	},
+	"unary!": function(argument, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg = !argument(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary+": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var lhs = left(scope, locals, assign, inputs);
+			var rhs = right(scope, locals, assign, inputs);
+			var arg = plusFn(lhs, rhs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary-": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var lhs = left(scope, locals, assign, inputs);
+			var rhs = right(scope, locals, assign, inputs);
+			var arg = (isDefined(lhs) ? lhs : 0) - (isDefined(rhs) ? rhs : 0);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary*": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) *
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary/": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) /
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary%": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) %
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary===": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) ===
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary!==": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) !==
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary==": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			// eslint-disable-next-line eqeqeq
+			var arg =
+				left(scope, locals, assign, inputs) ==
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary!=": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			// eslint-disable-next-line eqeqeq
+			var arg =
+				left(scope, locals, assign, inputs) !=
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary<": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) <
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary>": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) >
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary<=": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) <=
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary>=": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) >=
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary&&": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) &&
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"binary||": function(left, right, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg =
+				left(scope, locals, assign, inputs) ||
+				right(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	"ternary?:": function(test, alternate, consequent, context) {
+		return function(scope, locals, assign, inputs) {
+			var arg = test(scope, locals, assign, inputs)
+				? alternate(scope, locals, assign, inputs)
+				: consequent(scope, locals, assign, inputs);
+			return context ? { value: arg } : arg;
+		};
+	},
+	value: function(value, context) {
+		return function() {
+			return context
+				? { context: undefined, name: undefined, value: value }
+				: value;
+		};
+	},
+	identifier: function(name, context, create) {
+		return function(scope, locals, assign, inputs) {
+			var base = locals && name in locals ? locals : scope;
+			if (create && create !== 1 && base && base[name] == null) {
+				base[name] = {};
+			}
+			var value = base ? base[name] : undefined;
+			if (context) {
+				return { context: base, name: name, value: value };
+			} else {
+				return value;
+			}
+		};
+	},
+	computedMember: function(left, right, context, create) {
+		return function(scope, locals, assign, inputs) {
+			var lhs = left(scope, locals, assign, inputs);
+			var rhs;
+			var value;
+			if (lhs != null) {
+				rhs = right(scope, locals, assign, inputs);
+				rhs = getStringValue(rhs);
+				if (create && create !== 1) {
+					if (lhs && !lhs[rhs]) {
+						lhs[rhs] = {};
+					}
+				}
+				if (Object.prototype.hasOwnProperty.call(lhs, rhs)) {
+					value = lhs[rhs];
+				}
+			}
+			if (context) {
+				return { context: lhs, name: rhs, value: value };
+			} else {
+				return value;
+			}
+		};
+	},
+	nonComputedMember: function(left, right, context, create) {
+		return function(scope, locals, assign, inputs) {
+			var lhs = left(scope, locals, assign, inputs);
+			if (create && create !== 1) {
+				if (lhs && lhs[right] == null) {
+					lhs[right] = {};
+				}
+			}
+			var value = undefined;
+			if (lhs != null && Object.prototype.hasOwnProperty.call(lhs, right)) {
+				value = lhs[right];
+			}
+
+			if (context) {
+				return { context: lhs, name: right, value: value };
+			} else {
+				return value;
+			}
+		};
+	},
+	inputs: function(input, watchId) {
+		return function(scope, value, locals, inputs) {
+			if (inputs) return inputs[watchId];
+			return input(scope, value, locals);
+		};
+	}
 };
 
 /**
  * @constructor
  */
 var Parser = function Parser(lexer, $filter, options) {
-  this.lexer = lexer;
-  this.$filter = $filter;
-  this.options = options;
-  this.ast = new AST(lexer, options);
-  this.astCompiler = options.csp ? new ASTInterpreter(this.ast, $filter) :
-                                   new ASTCompiler(this.ast, $filter);
+	this.lexer = lexer;
+	this.$filter = $filter;
+	this.options = options;
+	this.ast = new AST(lexer, options);
+	this.astCompiler = options.csp
+		? new ASTInterpreter(this.ast, $filter)
+		: new ASTCompiler(this.ast, $filter);
 };
 
 Parser.prototype = {
-  constructor: Parser,
+	constructor: Parser,
 
-  parse: function(text) {
-    return this.astCompiler.compile(text);
-  }
+	parse: function(text) {
+		return this.astCompiler.compile(text);
+	}
 };
 
 function getValueOf(value) {
-  return isFunction(value.valueOf) ? value.valueOf() : objectValueOf.call(value);
+	return isFunction(value.valueOf)
+		? value.valueOf()
+		: objectValueOf.call(value);
 }
 
 ///////////////////////////////////
@@ -3782,7 +4230,6 @@ function getValueOf(value) {
  *
  */
 
-
 /**
  * @ngdoc provider
  * @name $parseProvider
@@ -3793,278 +4240,361 @@ function getValueOf(value) {
  *  service.
  */
 function $ParseProvider() {
-  var cache = createMap();
-  var literals = {
-    'true': true,
-    'false': false,
-    'null': null,
-    'undefined': undefined
-  };
-  var identStart, identContinue;
-
-  /**
-   * @ngdoc method
-   * @name $parseProvider#addLiteral
-   * @description
-   *
-   * Configure $parse service to add literal values that will be present as literal at expressions.
-   *
-   * @param {string} literalName Token for the literal value. The literal name value must be a valid literal name.
-   * @param {*} literalValue Value for this literal. All literal values must be primitives or `undefined`.
-   *
-   **/
-  this.addLiteral = function(literalName, literalValue) {
-    literals[literalName] = literalValue;
-  };
-
- /**
-  * @ngdoc method
-  * @name $parseProvider#setIdentifierFns
-  *
-  * @description
-  *
-  * Allows defining the set of characters that are allowed in Angular expressions. The function
-  * `identifierStart` will get called to know if a given character is a valid character to be the
-  * first character for an identifier. The function `identifierContinue` will get called to know if
-  * a given character is a valid character to be a follow-up identifier character. The functions
-  * `identifierStart` and `identifierContinue` will receive as arguments the single character to be
-  * identifier and the character code point. These arguments will be `string` and `numeric`. Keep in
-  * mind that the `string` parameter can be two characters long depending on the character
-  * representation. It is expected for the function to return `true` or `false`, whether that
-  * character is allowed or not.
-  *
-  * Since this function will be called extensively, keep the implementation of these functions fast,
-  * as the performance of these functions have a direct impact on the expressions parsing speed.
-  *
-  * @param {function=} identifierStart The function that will decide whether the given character is
-  *   a valid identifier start character.
-  * @param {function=} identifierContinue The function that will decide whether the given character is
-  *   a valid identifier continue character.
-  */
-  this.setIdentifierFns = function(identifierStart, identifierContinue) {
-    identStart = identifierStart;
-    identContinue = identifierContinue;
-    return this;
-  };
-
-  this.$get = ['$filter', function($filter) {
-    var noUnsafeEval = csp().noUnsafeEval;
-    var $parseOptions = {
-          csp: noUnsafeEval,
-          literals: copy(literals),
-          isIdentifierStart: isFunction(identStart) && identStart,
-          isIdentifierContinue: isFunction(identContinue) && identContinue
-        };
-    return $parse;
-
-    function $parse(exp, interceptorFn) {
-      var parsedExpression, oneTime, cacheKey;
-
-      switch (typeof exp) {
-        case 'string':
-          exp = exp.trim();
-          cacheKey = exp;
-
-          parsedExpression = cache[cacheKey];
-
-          if (!parsedExpression) {
-            if (exp.charAt(0) === ':' && exp.charAt(1) === ':') {
-              oneTime = true;
-              exp = exp.substring(2);
-            }
-            var lexer = new Lexer($parseOptions);
-            var parser = new Parser(lexer, $filter, $parseOptions);
-            parsedExpression = parser.parse(exp);
-            if (parsedExpression.constant) {
-              parsedExpression.$$watchDelegate = constantWatchDelegate;
-            } else if (oneTime) {
-              parsedExpression.$$watchDelegate = parsedExpression.literal ?
-                  oneTimeLiteralWatchDelegate : oneTimeWatchDelegate;
-            } else if (parsedExpression.inputs) {
-              parsedExpression.$$watchDelegate = inputsWatchDelegate;
-            }
-            cache[cacheKey] = parsedExpression;
-          }
-          return addInterceptor(parsedExpression, interceptorFn);
-
-        case 'function':
-          return addInterceptor(exp, interceptorFn);
-
-        default:
-          return addInterceptor(noop, interceptorFn);
-      }
-    }
-
-    function expressionInputDirtyCheck(newValue, oldValueOfValue) {
-
-      if (newValue == null || oldValueOfValue == null) { // null/undefined
-        return newValue === oldValueOfValue;
-      }
-
-      if (typeof newValue === 'object') {
-
-        // attempt to convert the value to a primitive type
-        // TODO(docs): add a note to docs that by implementing valueOf even objects and arrays can
-        //             be cheaply dirty-checked
-        newValue = getValueOf(newValue);
-
-        if (typeof newValue === 'object') {
-          // objects/arrays are not supported - deep-watching them would be too expensive
-          return false;
-        }
-
-        // fall-through to the primitive equality check
-      }
-
-      //Primitive or NaN
-      // eslint-disable-next-line no-self-compare
-      return newValue === oldValueOfValue || (newValue !== newValue && oldValueOfValue !== oldValueOfValue);
-    }
-
-    function inputsWatchDelegate(scope, listener, objectEquality, parsedExpression, prettyPrintExpression) {
-      var inputExpressions = parsedExpression.inputs;
-      var lastResult;
-
-      if (inputExpressions.length === 1) {
-        var oldInputValueOf = expressionInputDirtyCheck; // init to something unique so that equals check fails
-        inputExpressions = inputExpressions[0];
-        return scope.$watch(function expressionInputWatch(scope) {
-          var newInputValue = inputExpressions(scope);
-          if (!expressionInputDirtyCheck(newInputValue, oldInputValueOf)) {
-            lastResult = parsedExpression(scope, undefined, undefined, [newInputValue]);
-            oldInputValueOf = newInputValue && getValueOf(newInputValue);
-          }
-          return lastResult;
-        }, listener, objectEquality, prettyPrintExpression);
-      }
-
-      var oldInputValueOfValues = [];
-      var oldInputValues = [];
-      for (var i = 0, ii = inputExpressions.length; i < ii; i++) {
-        oldInputValueOfValues[i] = expressionInputDirtyCheck; // init to something unique so that equals check fails
-        oldInputValues[i] = null;
-      }
-
-      return scope.$watch(function expressionInputsWatch(scope) {
-        var changed = false;
-
-        for (var i = 0, ii = inputExpressions.length; i < ii; i++) {
-          var newInputValue = inputExpressions[i](scope);
-          if (changed || (changed = !expressionInputDirtyCheck(newInputValue, oldInputValueOfValues[i]))) {
-            oldInputValues[i] = newInputValue;
-            oldInputValueOfValues[i] = newInputValue && getValueOf(newInputValue);
-          }
-        }
-
-        if (changed) {
-          lastResult = parsedExpression(scope, undefined, undefined, oldInputValues);
-        }
-
-        return lastResult;
-      }, listener, objectEquality, prettyPrintExpression);
-    }
-
-    function oneTimeWatchDelegate(scope, listener, objectEquality, parsedExpression, prettyPrintExpression) {
-      var unwatch, lastValue;
-      if (parsedExpression.inputs) {
-        unwatch = inputsWatchDelegate(scope, oneTimeListener, objectEquality, parsedExpression, prettyPrintExpression);
-      } else {
-        unwatch = scope.$watch(oneTimeWatch, oneTimeListener, objectEquality);
-      }
-      return unwatch;
-
-      function oneTimeWatch(scope) {
-        return parsedExpression(scope);
-      }
-      function oneTimeListener(value, old, scope) {
-        lastValue = value;
-        if (isFunction(listener)) {
-          listener(value, old, scope);
-        }
-        if (isDefined(value)) {
-          scope.$$postDigest(function() {
-            if (isDefined(lastValue)) {
-              unwatch();
-            }
-          });
-        }
-      }
-    }
-
-    function oneTimeLiteralWatchDelegate(scope, listener, objectEquality, parsedExpression) {
-      var unwatch, lastValue;
-      unwatch = scope.$watch(function oneTimeWatch(scope) {
-        return parsedExpression(scope);
-      }, function oneTimeListener(value, old, scope) {
-        lastValue = value;
-        if (isFunction(listener)) {
-          listener(value, old, scope);
-        }
-        if (isAllDefined(value)) {
-          scope.$$postDigest(function() {
-            if (isAllDefined(lastValue)) unwatch();
-          });
-        }
-      }, objectEquality);
-
-      return unwatch;
-
-      function isAllDefined(value) {
-        var allDefined = true;
-        forEach(value, function(val) {
-          if (!isDefined(val)) allDefined = false;
-        });
-        return allDefined;
-      }
-    }
-
-    function constantWatchDelegate(scope, listener, objectEquality, parsedExpression) {
-      var unwatch = scope.$watch(function constantWatch(scope) {
-        unwatch();
-        return parsedExpression(scope);
-      }, listener, objectEquality);
-      return unwatch;
-    }
-
-    function addInterceptor(parsedExpression, interceptorFn) {
-      if (!interceptorFn) return parsedExpression;
-      var watchDelegate = parsedExpression.$$watchDelegate;
-      var useInputs = false;
-
-      var regularWatch =
-          watchDelegate !== oneTimeLiteralWatchDelegate &&
-          watchDelegate !== oneTimeWatchDelegate;
-
-      var fn = regularWatch ? function regularInterceptedExpression(scope, locals, assign, inputs) {
-        var value = useInputs && inputs ? inputs[0] : parsedExpression(scope, locals, assign, inputs);
-        return interceptorFn(value, scope, locals);
-      } : function oneTimeInterceptedExpression(scope, locals, assign, inputs) {
-        var value = parsedExpression(scope, locals, assign, inputs);
-        var result = interceptorFn(value, scope, locals);
-        // we only return the interceptor's result if the
-        // initial value is defined (for bind-once)
-        return isDefined(value) ? result : value;
-      };
-
-      // Propagate $$watchDelegates other then inputsWatchDelegate
-      useInputs = !parsedExpression.inputs;
-      if (parsedExpression.$$watchDelegate &&
-          parsedExpression.$$watchDelegate !== inputsWatchDelegate) {
-        fn.$$watchDelegate = parsedExpression.$$watchDelegate;
-        fn.inputs = parsedExpression.inputs;
-      } else if (!interceptorFn.$stateful) {
-        // If there is an interceptor, but no watchDelegate then treat the interceptor like
-        // we treat filters - it is assumed to be a pure function unless flagged with $stateful
-        fn.$$watchDelegate = inputsWatchDelegate;
-        fn.inputs = parsedExpression.inputs ? parsedExpression.inputs : [parsedExpression];
-      }
-
-      return fn;
-    }
-  }];
+	var cache = createMap();
+	var literals = {
+		true: true,
+		false: false,
+		null: null,
+		undefined: undefined
+	};
+	var identStart, identContinue;
+
+	/**
+	 * @ngdoc method
+	 * @name $parseProvider#addLiteral
+	 * @description
+	 *
+	 * Configure $parse service to add literal values that will be present as literal at expressions.
+	 *
+	 * @param {string} literalName Token for the literal value. The literal name value must be a valid literal name.
+	 * @param {*} literalValue Value for this literal. All literal values must be primitives or `undefined`.
+	 *
+	 **/
+	this.addLiteral = function(literalName, literalValue) {
+		literals[literalName] = literalValue;
+	};
+
+	/**
+	 * @ngdoc method
+	 * @name $parseProvider#setIdentifierFns
+	 *
+	 * @description
+	 *
+	 * Allows defining the set of characters that are allowed in Angular expressions. The function
+	 * `identifierStart` will get called to know if a given character is a valid character to be the
+	 * first character for an identifier. The function `identifierContinue` will get called to know if
+	 * a given character is a valid character to be a follow-up identifier character. The functions
+	 * `identifierStart` and `identifierContinue` will receive as arguments the single character to be
+	 * identifier and the character code point. These arguments will be `string` and `numeric`. Keep in
+	 * mind that the `string` parameter can be two characters long depending on the character
+	 * representation. It is expected for the function to return `true` or `false`, whether that
+	 * character is allowed or not.
+	 *
+	 * Since this function will be called extensively, keep the implementation of these functions fast,
+	 * as the performance of these functions have a direct impact on the expressions parsing speed.
+	 *
+	 * @param {function=} identifierStart The function that will decide whether the given character is
+	 *   a valid identifier start character.
+	 * @param {function=} identifierContinue The function that will decide whether the given character is
+	 *   a valid identifier continue character.
+	 */
+	this.setIdentifierFns = function(identifierStart, identifierContinue) {
+		identStart = identifierStart;
+		identContinue = identifierContinue;
+		return this;
+	};
+
+	this.$get = [
+		"$filter",
+		function($filter) {
+			var noUnsafeEval = csp().noUnsafeEval;
+			var $parseOptions = {
+				csp: noUnsafeEval,
+				literals: copy(literals),
+				isIdentifierStart: isFunction(identStart) && identStart,
+				isIdentifierContinue: isFunction(identContinue) && identContinue
+			};
+			return $parse;
+
+			function $parse(exp, interceptorFn) {
+				var parsedExpression, oneTime, cacheKey;
+
+				switch (typeof exp) {
+					case "string":
+						exp = exp.trim();
+						cacheKey = exp;
+
+						parsedExpression = cache[cacheKey];
+
+						if (!parsedExpression) {
+							if (exp.charAt(0) === ":" && exp.charAt(1) === ":") {
+								oneTime = true;
+								exp = exp.substring(2);
+							}
+							var lexer = new Lexer($parseOptions);
+							var parser = new Parser(lexer, $filter, $parseOptions);
+							parsedExpression = parser.parse(exp);
+							if (parsedExpression.constant) {
+								parsedExpression.$$watchDelegate = constantWatchDelegate;
+							} else if (oneTime) {
+								parsedExpression.$$watchDelegate = parsedExpression.literal
+									? oneTimeLiteralWatchDelegate
+									: oneTimeWatchDelegate;
+							} else if (parsedExpression.inputs) {
+								parsedExpression.$$watchDelegate = inputsWatchDelegate;
+							}
+							cache[cacheKey] = parsedExpression;
+						}
+						return addInterceptor(parsedExpression, interceptorFn);
+
+					case "function":
+						return addInterceptor(exp, interceptorFn);
+
+					default:
+						return addInterceptor(noop, interceptorFn);
+				}
+			}
+
+			function expressionInputDirtyCheck(newValue, oldValueOfValue) {
+				if (newValue == null || oldValueOfValue == null) {
+					// null/undefined
+					return newValue === oldValueOfValue;
+				}
+
+				if (typeof newValue === "object") {
+					// attempt to convert the value to a primitive type
+					// TODO(docs): add a note to docs that by implementing valueOf even objects and arrays can
+					//             be cheaply dirty-checked
+					newValue = getValueOf(newValue);
+
+					if (typeof newValue === "object") {
+						// objects/arrays are not supported - deep-watching them would be too expensive
+						return false;
+					}
+
+					// fall-through to the primitive equality check
+				}
+
+				//Primitive or NaN
+				// eslint-disable-next-line no-self-compare
+				return (
+					newValue === oldValueOfValue ||
+					(newValue !== newValue && oldValueOfValue !== oldValueOfValue)
+				);
+			}
+
+			function inputsWatchDelegate(
+				scope,
+				listener,
+				objectEquality,
+				parsedExpression,
+				prettyPrintExpression
+			) {
+				var inputExpressions = parsedExpression.inputs;
+				var lastResult;
+
+				if (inputExpressions.length === 1) {
+					var oldInputValueOf = expressionInputDirtyCheck; // init to something unique so that equals check fails
+					inputExpressions = inputExpressions[0];
+					return scope.$watch(
+						function expressionInputWatch(scope) {
+							var newInputValue = inputExpressions(scope);
+							if (!expressionInputDirtyCheck(newInputValue, oldInputValueOf)) {
+								lastResult = parsedExpression(scope, undefined, undefined, [
+									newInputValue
+								]);
+								oldInputValueOf = newInputValue && getValueOf(newInputValue);
+							}
+							return lastResult;
+						},
+						listener,
+						objectEquality,
+						prettyPrintExpression
+					);
+				}
+
+				var oldInputValueOfValues = [];
+				var oldInputValues = [];
+				for (var i = 0, ii = inputExpressions.length; i < ii; i++) {
+					oldInputValueOfValues[i] = expressionInputDirtyCheck; // init to something unique so that equals check fails
+					oldInputValues[i] = null;
+				}
+
+				return scope.$watch(
+					function expressionInputsWatch(scope) {
+						var changed = false;
+
+						for (var i = 0, ii = inputExpressions.length; i < ii; i++) {
+							var newInputValue = inputExpressions[i](scope);
+							if (
+								changed ||
+								(changed = !expressionInputDirtyCheck(
+									newInputValue,
+									oldInputValueOfValues[i]
+								))
+							) {
+								oldInputValues[i] = newInputValue;
+								oldInputValueOfValues[i] =
+									newInputValue && getValueOf(newInputValue);
+							}
+						}
+
+						if (changed) {
+							lastResult = parsedExpression(
+								scope,
+								undefined,
+								undefined,
+								oldInputValues
+							);
+						}
+
+						return lastResult;
+					},
+					listener,
+					objectEquality,
+					prettyPrintExpression
+				);
+			}
+
+			function oneTimeWatchDelegate(
+				scope,
+				listener,
+				objectEquality,
+				parsedExpression,
+				prettyPrintExpression
+			) {
+				var unwatch, lastValue;
+				if (parsedExpression.inputs) {
+					unwatch = inputsWatchDelegate(
+						scope,
+						oneTimeListener,
+						objectEquality,
+						parsedExpression,
+						prettyPrintExpression
+					);
+				} else {
+					unwatch = scope.$watch(oneTimeWatch, oneTimeListener, objectEquality);
+				}
+				return unwatch;
+
+				function oneTimeWatch(scope) {
+					return parsedExpression(scope);
+				}
+				function oneTimeListener(value, old, scope) {
+					lastValue = value;
+					if (isFunction(listener)) {
+						listener(value, old, scope);
+					}
+					if (isDefined(value)) {
+						scope.$$postDigest(function() {
+							if (isDefined(lastValue)) {
+								unwatch();
+							}
+						});
+					}
+				}
+			}
+
+			function oneTimeLiteralWatchDelegate(
+				scope,
+				listener,
+				objectEquality,
+				parsedExpression
+			) {
+				var unwatch, lastValue;
+				unwatch = scope.$watch(
+					function oneTimeWatch(scope) {
+						return parsedExpression(scope);
+					},
+					function oneTimeListener(value, old, scope) {
+						lastValue = value;
+						if (isFunction(listener)) {
+							listener(value, old, scope);
+						}
+						if (isAllDefined(value)) {
+							scope.$$postDigest(function() {
+								if (isAllDefined(lastValue)) unwatch();
+							});
+						}
+					},
+					objectEquality
+				);
+
+				return unwatch;
+
+				function isAllDefined(value) {
+					var allDefined = true;
+					forEach(value, function(val) {
+						if (!isDefined(val)) allDefined = false;
+					});
+					return allDefined;
+				}
+			}
+
+			function constantWatchDelegate(
+				scope,
+				listener,
+				objectEquality,
+				parsedExpression
+			) {
+				var unwatch = scope.$watch(
+					function constantWatch(scope) {
+						unwatch();
+						return parsedExpression(scope);
+					},
+					listener,
+					objectEquality
+				);
+				return unwatch;
+			}
+
+			function addInterceptor(parsedExpression, interceptorFn) {
+				if (!interceptorFn) return parsedExpression;
+				var watchDelegate = parsedExpression.$$watchDelegate;
+				var useInputs = false;
+
+				var regularWatch =
+					watchDelegate !== oneTimeLiteralWatchDelegate &&
+					watchDelegate !== oneTimeWatchDelegate;
+
+				var fn = regularWatch
+					? function regularInterceptedExpression(
+							scope,
+							locals,
+							assign,
+							inputs
+					  ) {
+							var value =
+								useInputs && inputs
+									? inputs[0]
+									: parsedExpression(scope, locals, assign, inputs);
+							return interceptorFn(value, scope, locals);
+					  }
+					: function oneTimeInterceptedExpression(
+							scope,
+							locals,
+							assign,
+							inputs
+					  ) {
+							var value = parsedExpression(scope, locals, assign, inputs);
+							var result = interceptorFn(value, scope, locals);
+							// we only return the interceptor's result if the
+							// initial value is defined (for bind-once)
+							return isDefined(value) ? result : value;
+					  };
+
+				// Propagate $$watchDelegates other then inputsWatchDelegate
+				useInputs = !parsedExpression.inputs;
+				if (
+					parsedExpression.$$watchDelegate &&
+					parsedExpression.$$watchDelegate !== inputsWatchDelegate
+				) {
+					fn.$$watchDelegate = parsedExpression.$$watchDelegate;
+					fn.inputs = parsedExpression.inputs;
+				} else if (!interceptorFn.$stateful) {
+					// If there is an interceptor, but no watchDelegate then treat the interceptor like
+					// we treat filters - it is assumed to be a pure function unless flagged with $stateful
+					fn.$$watchDelegate = inputsWatchDelegate;
+					fn.inputs = parsedExpression.inputs
+						? parsedExpression.inputs
+						: [parsedExpression];
+				}
+
+				return fn;
+			}
+		}
+	];
 }
 
 exports.Lexer = Lexer;
 exports.Parser = Parser;
-
-

programming_language: JavaScript
filename: package-lock.json
change_type: ModificationType.ADD
diff: @@ -0,0 +1,7178 @@
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+    },
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+      }
+    },
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+}

programming_language: TypeScript
filename: package.json
change_type: ModificationType.MODIFY
diff: @@ -5,8 +5,8 @@
   "main": "./lib/main.js",
   "scripts": {
     "test": "mocha test/main.test.js -R spec",
-    "test-browser": "webpack-dev-server mocha\\!./test/main.test.js -d",
-    "posttest": "eslint --fix lib test"
+    "test-browser": "webpack-dev-server 'mocha-loader!./test/main.test.js' --output-filename output.js --port 8081",
+    "posttest": "eslint --fix lib test && prettier --write lib/*.js test/*.js"
   },
   "keywords": [
     "angular",
@@ -20,11 +20,13 @@
   "dependencies": {},
   "devDependencies": {
     "chai": "^3.2.0",
-    "eslint": "^1.5.0",
-    "eslint-config-peerigon": "^0.1.0",
-    "mocha": "^2.3.2",
-    "mocha-loader": "^0.7.1",
-    "webpack-dev-server": "^1.11.0"
+    "eslint": "^5.16.0",
+    "mocha": "^7.0.0",
+    "mocha-loader": "^4.0.1",
+    "prettier": "^1.19.1",
+    "webpack": "^4.41.5",
+    "webpack-cli": "^3.3.10",
+    "webpack-dev-server": "^3.10.1"
   },
   "repository": {
     "type": "git",

programming_language: CoffeeScript
filename: .eslintrc
change_type: ModificationType.DELETE
diff: @@ -1,3 +0,0 @@
-{
-    "extends": "peerigon/es5tests"
-}

programming_language: unknown
filename: main.test.js
change_type: ModificationType.MODIFY
diff: @@ -9,300 +9,279 @@ chai.config.includeStack = true;
 
 // These tests make no claim to be complete. We only test the most important parts of angular expressions.
 // I hope they have their own tests ;)
-describe("expressions", function () {
-
-    describe(".Lexer", function () {
-
-        it("should be a function", function () {
-            expect(expressions.Lexer).to.be.a("function");
-        });
-
-        it("should provide a .lex()-method", function () {
-            var lexer = new expressions.Lexer();
-
-            expect(lexer.lex).to.be.a("function");
-        });
-
-    });
-
-    describe(".Parser", function () {
-
-        it("should be a function", function () {
-            expect(expressions.Parser).to.be.a("function");
-        });
-
-        it("should provide a .parse()-method", function () {
-            var parser = new expressions.Parser(undefined, undefined, {});
-
-            expect(parser.parse).to.be.a("function");
-        });
-
-    });
-
-    describe(".compile(src)", function () {
-        var scope;
-        var evaluate;
-
-        beforeEach(function () {
-            scope = {
-                ship: {
-                    pirate: {
-                        name: "Jenny"
-                    }
-                }
-            };
-        });
-
-        it("should return a function", function () {
-            expect(compile("")).to.be.a("function");
-        });
-
-        it("should throw an error if the given value is not a string", function () {
-            expect(function () {
-                compile();
-            }).to.throw("src must be a string, instead saw 'undefined'");
-        });
-
-        it("should expose the ast", function () {
-            expect(compile("tmp").ast).to.be.a("object");
-        });
-
-        describe("when evaluating literals", function () {
-
-            it("should return null", function () {
-                evaluate = compile("null");
-                expect(evaluate(scope)).to.equal(null);
-            });
-
-            it("should return true", function () {
-                evaluate = compile("true");
-                expect(evaluate(scope)).to.equal(true);
-            });
-
-            it("should return false", function () {
-                evaluate = compile("false");
-                expect(evaluate(scope)).to.equal(false);
-            });
-
-            it("should return 2.34e5", function () {
-                evaluate = compile("2.34e5");
-                expect(evaluate(scope)).to.equal(2.34e5);
-            });
-
-            it("should return 'string'", function () {
-                evaluate = compile("'string'");
-                expect(evaluate(scope)).to.equal("string");
-            });
-
-            it("should return [ship, 1, 2, []]", function () {
-                evaluate = compile("[ship, 1, 2, []]");
-                expect(evaluate(scope)).to.eql([scope.ship, 1, 2, []]);
-            });
-
-            it("should return { test: 'value', 'new-object': {} }", function () {
-                evaluate = compile("{ test: 'value', 'new-object': {} }");
-                expect(evaluate(scope)).to.eql({ test: "value", "new-object": {} });
-            });
-
-        });
-
-        describe("when evaluating simple key look-ups", function () {
-
-            it("should return the value if its defined on scope", function () {
-                evaluate = compile("ship");
-                expect(evaluate(scope)).to.equal(scope.ship);
-            });
-
-            it("should return undefined instead of throwing a ReferenceError if it's not defined on scope", function () {
-                evaluate = compile("notDefined");
-                expect(evaluate(scope)).to.equal(undefined);
-            });
-
-            it("should return the scope even when the 'this' keyword is used", function () {
-                evaluate = compile("this");
-                expect(evaluate(scope)).to.equal(scope);
-            });
-
-        });
-
-        describe("when evaluating simple assignments", function () {
-
-            it("should set the new value on scope", function () {
-                evaluate = compile("newValue = 'new'");
-                evaluate(scope);
-                expect(scope.newValue).to.equal("new");
-            });
-
-            it("should change the value if its defined on scope", function () {
-                evaluate = compile("ship = 'ship'");
-                evaluate(scope);
-                expect(scope.ship).to.equal("ship");
-            });
-
-        });
-
-        describe("when evaluating dot-notated loop-ups", function () {
-
-            it("should return the value if its defined on scope", function () {
-                evaluate = compile("ship.pirate.name");
-                expect(evaluate(scope)).to.equal("Jenny");
-            });
-
-            it("should return undefined instead of throwing a ReferenceError if it's not defined on scope", function () {
-                evaluate = compile("island.pirate.name");
-                expect(evaluate(scope)).to.equal(undefined);
-            });
-
-        });
-
-        describe("when evaluating dot-notated assignments", function () {
-
-            it("should set the new value on scope", function () {
-                evaluate = compile("island.pirate.name = 'Störtebeker'");
-                evaluate(scope);
-                expect(scope.island.pirate.name).to.equal("Störtebeker");
-            });
-
-            it("should change the value if its defined on scope", function () {
-                evaluate = compile("ship.pirate.name = 'Störtebeker'");
-                evaluate(scope);
-                expect(scope.ship.pirate.name).to.equal("Störtebeker");
-            });
-
-        });
-
-        describe("when evaluating array look-ups", function () {
-
-            beforeEach(function () {
-                scope.ships = [
-                    { pirate: "Jenny" },
-                    { pirate: "Störtebeker" }
-                ];
-            });
-
-            it("should return the value if its defined on scope", function () {
-                evaluate = compile("ships[1].pirate");
-                expect(evaluate(scope)).to.equal("Störtebeker");
-            });
-
-            it("should return undefined instead of throwing a ReferenceError if it's not defined on scope", function () {
-                evaluate = compile("ships[2].pirate");
-                expect(evaluate(scope)).to.equal(undefined);
-            });
-
-        });
-
-        describe("when evaluating array assignments", function () {
-
-            it("should change the value if its defined on scope", function () {
-                scope.ships = [
-                    { pirate: "Jenny" }
-                ];
-                evaluate = compile("ships[0].pirate = 'Störtebeker'");
-                evaluate(scope);
-                expect(scope.ships[0].pirate).to.equal("Störtebeker");
-            });
-
-        });
-
-        describe("when evaluating function calls", function () {
-
-            describe("using no arguments", function () {
-
-                it("should return the function's return value", function () {
-                    scope.findPirate = function () {
-                        return scope.ship.pirate;
-                    };
-
-                    evaluate = compile("findPirate()");
-                    expect(evaluate(scope)).to.equal(scope.ship.pirate);
-                });
-
-                it("should call the function on the scope", function () {
-                    scope.returnThis = function () {
-                        return this;
-                    };
-                    evaluate = compile("returnThis()");
-                    expect(evaluate(scope)).to.equal(scope);
-                });
-
-                it("should call the function on the object where it is defined", function () {
-                    scope.ship.returnThis = function () {
-                        return this;
-                    };
-                    evaluate = compile("ship.returnThis()");
-                    expect(evaluate(scope)).to.equal(scope.ship);
-                });
-
-            });
-
-            describe("using arguments", function () {
-
-                it("should parse the arguments accordingly", function () {
-                    scope.findPirate = function (pirate) {
-                        return Array.prototype.slice.call(arguments);
-                    };
-                    evaluate = compile("findPirate(ship.pirate, 1, [2, 3])");
-                    expect(evaluate(scope)).to.eql([scope.ship.pirate, 1, [2, 3]]);
-                });
-
-            });
-
-        });
-
-        describe("when evaluating operators", function () {
-
-            it("should return the expected result when using +", function () {
-                evaluate = compile("1 + 1");
-                expect(evaluate()).to.equal(2);
-            });
-
-            it("should return the expected result when using -", function () {
-                evaluate = compile("1 - 1");
-                expect(evaluate()).to.equal(0);
-            });
-
-            it("should return the expected result when using *", function () {
-                evaluate = compile("2 * 2");
-                expect(evaluate()).to.equal(4);
-            });
-
-            it("should return the expected result when using /", function () {
-                evaluate = compile("4 / 2");
-                expect(evaluate()).to.equal(2);
-            });
-
-            it("should return the expected result when using %", function () {
-                evaluate = compile("3 % 2");
-                expect(evaluate()).to.equal(1);
-            });
-
-            it("should return the expected result when using &&", function () {
-                evaluate = compile("true && true");
-                expect(evaluate()).to.equal(true);
-                evaluate = compile("true && false");
-                expect(evaluate()).to.equal(false);
-                evaluate = compile("false && false");
-                expect(evaluate()).to.equal(false);
-            });
-
-            it("should return the expected result when using ||", function () {
-                evaluate = compile("true || true");
-                expect(evaluate()).to.equal(true);
-                evaluate = compile("true || false");
-                expect(evaluate()).to.equal(true);
-                evaluate = compile("false || false");
-                expect(evaluate()).to.equal(false);
-            });
-
-            it("should return the expected result when using !", function () {
-                evaluate = compile("!true");
-                expect(evaluate()).to.equal(false);
-                evaluate = compile("!false");
-                expect(evaluate()).to.equal(true);
-            });
-
-            /* Ooops, angular doesn't support ++. Maybe someday?
+describe("expressions", function() {
+	describe(".Lexer", function() {
+		it("should be a function", function() {
+			expect(expressions.Lexer).to.be.a("function");
+		});
+
+		it("should provide a .lex()-method", function() {
+			var lexer = new expressions.Lexer();
+
+			expect(lexer.lex).to.be.a("function");
+		});
+	});
+
+	describe(".Parser", function() {
+		it("should be a function", function() {
+			expect(expressions.Parser).to.be.a("function");
+		});
+
+		it("should provide a .parse()-method", function() {
+			var parser = new expressions.Parser(undefined, undefined, {});
+
+			expect(parser.parse).to.be.a("function");
+		});
+	});
+
+	describe(".compile(src)", function() {
+		var scope;
+		var evaluate;
+
+		beforeEach(function() {
+			scope = {
+				ship: {
+					pirate: {
+						name: "Jenny"
+					}
+				}
+			};
+		});
+
+		it("should return a function", function() {
+			expect(compile("")).to.be.a("function");
+		});
+
+		it("should throw an error if the given value is not a string", function() {
+			expect(function() {
+				compile();
+			}).to.throw("src must be a string, instead saw 'undefined'");
+		});
+
+		it("should expose the ast", function() {
+			expect(compile("tmp").ast).to.be.a("object");
+		});
+
+		describe("when evaluating literals", function() {
+			it("should return null", function() {
+				evaluate = compile("null");
+				expect(evaluate(scope)).to.equal(null);
+			});
+
+			it("should return true", function() {
+				evaluate = compile("true");
+				expect(evaluate(scope)).to.equal(true);
+			});
+
+			it("should return false", function() {
+				evaluate = compile("false");
+				expect(evaluate(scope)).to.equal(false);
+			});
+
+			it("should return 2.34e5", function() {
+				evaluate = compile("2.34e5");
+				expect(evaluate(scope)).to.equal(2.34e5);
+			});
+
+			it("should return 'string'", function() {
+				evaluate = compile("'string'");
+				expect(evaluate(scope)).to.equal("string");
+			});
+
+			it("should return [ship, 1, 2, []]", function() {
+				evaluate = compile("[ship, 1, 2, []]");
+				expect(evaluate(scope)).to.eql([scope.ship, 1, 2, []]);
+			});
+
+			it("should return { test: 'value', 'new-object': {} }", function() {
+				evaluate = compile("{ test: 'value', 'new-object': {} }");
+				expect(evaluate(scope)).to.eql({ test: "value", "new-object": {} });
+			});
+
+			it("should return context value when nothing in the scope", function() {
+				evaluate = compile("test");
+				expect(evaluate(scope, { test: "hello" })).to.equal("hello");
+			});
+
+			it("should return context value when something in the scope", function() {
+				evaluate = compile("test");
+				expect(evaluate({ test: "bye" }, { test: "hello" })).to.equal("hello");
+			});
+		});
+
+		describe("when evaluating simple key look-ups", function() {
+			it("should return the value if its defined on scope", function() {
+				evaluate = compile("ship");
+				expect(evaluate(scope)).to.equal(scope.ship);
+			});
+
+			it("should return undefined instead of throwing a ReferenceError if it's not defined on scope", function() {
+				evaluate = compile("notDefined");
+				expect(evaluate(scope)).to.equal(undefined);
+			});
+
+			it("should return the scope even when the 'this' keyword is used", function() {
+				evaluate = compile("this");
+				expect(evaluate(scope)).to.equal(scope);
+			});
+		});
+
+		describe("when evaluating simple assignments", function() {
+			it("should set the new value on scope", function() {
+				evaluate = compile("newValue = 'new'");
+				evaluate(scope);
+				expect(scope.newValue).to.equal("new");
+			});
+
+			it("should change the value if its defined on scope", function() {
+				evaluate = compile("ship = 'ship'");
+				evaluate(scope);
+				expect(scope.ship).to.equal("ship");
+			});
+		});
+
+		describe("when evaluating dot-notated loop-ups", function() {
+			it("should return the value if its defined on scope", function() {
+				evaluate = compile("ship.pirate.name");
+				expect(evaluate(scope)).to.equal("Jenny");
+			});
+
+			it("should return undefined instead of throwing a ReferenceError if it's not defined on scope", function() {
+				evaluate = compile("island.pirate.name");
+				expect(evaluate(scope)).to.equal(undefined);
+			});
+		});
+
+		describe("when evaluating dot-notated assignments", function() {
+			it("should set the new value on scope", function() {
+				evaluate = compile("island.pirate.name = 'Störtebeker'");
+				evaluate(scope);
+				expect(scope.island.pirate.name).to.equal("Störtebeker");
+			});
+
+			it("should change the value if its defined on scope", function() {
+				evaluate = compile("ship.pirate.name = 'Störtebeker'");
+				evaluate(scope);
+				expect(scope.ship.pirate.name).to.equal("Störtebeker");
+			});
+		});
+
+		describe("when evaluating array look-ups", function() {
+			beforeEach(function() {
+				scope.ships = [{ pirate: "Jenny" }, { pirate: "Störtebeker" }];
+			});
+
+			it("should return the value if its defined on scope", function() {
+				evaluate = compile("ships[1].pirate");
+				expect(evaluate(scope)).to.equal("Störtebeker");
+			});
+
+			it("should return undefined instead of throwing a ReferenceError if it's not defined on scope", function() {
+				evaluate = compile("ships[2].pirate");
+				expect(evaluate(scope)).to.equal(undefined);
+			});
+		});
+
+		describe("when evaluating array assignments", function() {
+			it("should change the value if its defined on scope", function() {
+				scope.ships = [{ pirate: "Jenny" }];
+				evaluate = compile("ships[0].pirate = 'Störtebeker'");
+				evaluate(scope);
+				expect(scope.ships[0].pirate).to.equal("Störtebeker");
+			});
+		});
+
+		describe("when evaluating function calls", function() {
+			describe("using no arguments", function() {
+				it("should return the function's return value", function() {
+					scope.findPirate = function() {
+						return scope.ship.pirate;
+					};
+
+					evaluate = compile("findPirate()");
+					expect(evaluate(scope)).to.equal(scope.ship.pirate);
+				});
+
+				it("should call the function on the scope", function() {
+					scope.returnThis = function() {
+						return this;
+					};
+					evaluate = compile("returnThis()");
+					expect(evaluate(scope)).to.equal(scope);
+				});
+
+				it("should call the function on the object where it is defined", function() {
+					scope.ship.returnThis = function() {
+						return this;
+					};
+					evaluate = compile("ship.returnThis()");
+					expect(evaluate(scope)).to.equal(scope.ship);
+				});
+			});
+
+			describe("using arguments", function() {
+				it("should parse the arguments accordingly", function() {
+					scope.findPirate = function() {
+						return Array.prototype.slice.call(arguments);
+					};
+					evaluate = compile("findPirate(ship.pirate, 1, [2, 3])");
+					expect(evaluate(scope)).to.eql([scope.ship.pirate, 1, [2, 3]]);
+				});
+			});
+		});
+
+		describe("when evaluating operators", function() {
+			it("should return the expected result when using +", function() {
+				evaluate = compile("1 + 1");
+				expect(evaluate()).to.equal(2);
+			});
+
+			it("should return the expected result when using -", function() {
+				evaluate = compile("1 - 1");
+				expect(evaluate()).to.equal(0);
+			});
+
+			it("should return the expected result when using *", function() {
+				evaluate = compile("2 * 2");
+				expect(evaluate()).to.equal(4);
+			});
+
+			it("should return the expected result when using /", function() {
+				evaluate = compile("4 / 2");
+				expect(evaluate()).to.equal(2);
+			});
+
+			it("should return the expected result when using %", function() {
+				evaluate = compile("3 % 2");
+				expect(evaluate()).to.equal(1);
+			});
+
+			it("should return the expected result when using &&", function() {
+				evaluate = compile("true && true");
+				expect(evaluate()).to.equal(true);
+				evaluate = compile("true && false");
+				expect(evaluate()).to.equal(false);
+				evaluate = compile("false && false");
+				expect(evaluate()).to.equal(false);
+			});
+
+			it("should return the expected result when using ||", function() {
+				evaluate = compile("true || true");
+				expect(evaluate()).to.equal(true);
+				evaluate = compile("true || false");
+				expect(evaluate()).to.equal(true);
+				evaluate = compile("false || false");
+				expect(evaluate()).to.equal(false);
+			});
+
+			it("should return the expected result when using !", function() {
+				evaluate = compile("!true");
+				expect(evaluate()).to.equal(false);
+				evaluate = compile("!false");
+				expect(evaluate()).to.equal(true);
+			});
+
+			/* Ooops, angular doesn't support ++. Maybe someday?
             it("should return the expected result when using ++", function () {
                 scope.value = 2;
                 evaluate = compile("value++");
@@ -310,7 +289,7 @@ describe("expressions", function () {
                 expect(scope.value).to.equal(3);
             });*/
 
-            /* Ooops, angular doesn't support --. Maybe someday?
+			/* Ooops, angular doesn't support --. Maybe someday?
             it("should return the expected result when using --", function () {
                 scope.value = 2;
                 evaluate = compile("value--");
@@ -318,157 +297,185 @@ describe("expressions", function () {
                 expect(scope.value).to.equal(1);
             });*/
 
-            it("should return the expected result when using ?", function () {
-                evaluate = compile("true? 'it works' : false");
-                expect(evaluate()).to.equal("it works");
-                evaluate = compile("false? false : 'it works'");
-                expect(evaluate()).to.equal("it works");
-            });
-
-        });
-
-        describe("using complex expressions", function () {
-
-            beforeEach(function () {
-                scope.ships = [
-                    { pirate: function (str) { return str; } },
-                    { pirate: function (str) { return str; } }
-                ];
-                scope.index = 0;
-                scope.pi = "pi";
-                scope.Jenny = "Jenny";
-            });
-
-            it("should still be parseable and executable", function () {
-                evaluate = compile("ships[index][pi + 'rate'](Jenny)");
-                expect(evaluate(scope)).to.equal("Jenny");
-            });
-
-        });
-
-        describe("when evaluating syntactical errors", function () {
-
-            it("should give a readable error message", function () {
-                expect(function () {
-                    compile("'unterminated string");
-                }).to.throw("Lexer Error: Unterminated quote at columns 0-20 ['unterminated string] in expression ['unterminated string].");
-            });
-
-            it("should give a readable error message", function () {
-                expect(function () {
-                    compile("3 = 4");
-                }).to.throw("[$parse:lval] Trying to assign a value to a non l-value\nhttp://errors.angularjs.org/\"NG_VERSION_FULL\"/$parse/lval");
-            });
-
-        });
-
-        describe("when using filters", function () {
-
-            it("should apply the given filter", function () {
-                expressions.filters.currency = function (input, currency, digits) {
-                    input = input.toFixed(digits);
-
-                    if (currency === "EUR") {
-                        return input + "€";
-                    }
-                    return input + "$";
-                };
-
-                evaluate = compile("1.2345 | currency:selectedCurrency:2");
-                expect(evaluate({
-                    selectedCurrency: "EUR"
-                })).to.equal("1.23€");
-            });
-
-        });
-
-        describe("when evaluating the same expression multiple times", function () {
-
-            it("should cache the generated function", function () {
-                expect(compile("a")).to.equal(compile("a"));
-            });
-
-        });
-
-        describe("for assigning values", function () {
-
-            beforeEach(function () {
-                scope = {};
-            });
-
-            it("should expose an 'assign'-function", function () {
-                var fn = compile("a");
-
-                expect(fn.assign).to.be.a("function");
-                fn.assign(scope, 123);
-                expect(scope.a).to.equal(123);
-            });
-
-            describe("the 'assign'-function", function () {
-
-                it("should work for expressions ending with brackets", function () {
-                    var fn = compile("a.b['c']");
-
-                    fn.assign(scope, 123);
-                    expect(scope.a.b.c).to.equal(123);
-                });
-
-                it("should work for expressions with brackets in the middle", function () {
-                    var fn = compile("a[\"b\"].c");
-
-                    fn.assign(scope, 123);
-                    expect(scope.a.b.c).to.equal(123);
-                });
-
-                it("should work for expressions with brackets in the middle", function () {
-                    var fn = compile("a[\"b\"].c");
-
-                    fn.assign(scope, 123);
-                    expect(scope.a.b.c).to.equal(123);
-                });
-
-                it("should return the result of the assignment", function () {
-                    var fn = compile("a[\"b\"].c");
-
-                    expect(fn.assign(scope, 123)).to.equal(123);
-                });
-
-            });
-
-        });
-
-        describe(".cache", function () {
-
-            it("should be an object by default", function () {
-                expect(compile.cache).to.be.an("object");
-            });
-
-            it("should cache the generated function by the expression", function () {
-                var fn = compile("a");
-
-                expect(compile.cache.a).to.equal(fn);
-            });
-
-            describe("when setting it to false", function () {
-
-                it("should disable the cache", function () {
-                    compile.cache = false;
-                    expect(compile("a")).to.not.equal(compile("a"));
-                    compile.cache = {};
-                });
-
-            });
-
-        });
-
-    });
-
-    describe(".filters", function () {
-
-        it("should be an object", function () {
-            expect(expressions.filters).to.be.an("object");
-        });
-
-    });
-
+			it("should return the expected result when using ?", function() {
+				evaluate = compile("true? 'it works' : false");
+				expect(evaluate()).to.equal("it works");
+				evaluate = compile("false? false : 'it works'");
+				expect(evaluate()).to.equal("it works");
+			});
+		});
+
+		describe("using complex expressions", function() {
+			beforeEach(function() {
+				scope.ships = [
+					{
+						pirate: function(str) {
+							return str;
+						}
+					},
+					{
+						pirate: function(str) {
+							return str;
+						}
+					}
+				];
+				scope.index = 0;
+				scope.pi = "pi";
+				scope.Jenny = "Jenny";
+			});
+
+			it("should still be parseable and executable", function() {
+				evaluate = compile("ships[index][pi + 'rate'](Jenny)");
+				expect(evaluate(scope)).to.equal("Jenny");
+			});
+		});
+
+		describe("when evaluating syntactical errors", function() {
+			it("should give a readable error message", function() {
+				expect(function() {
+					compile("'unterminated string");
+				}).to.throw(
+					"Lexer Error: Unterminated quote at columns 0-20 ['unterminated string] in expression ['unterminated string]."
+				);
+			});
+
+			it("should give a readable error message", function() {
+				expect(function() {
+					compile("3 = 4");
+				}).to.throw(
+					'[$parse:lval] Trying to assign a value to a non l-value\nhttp://errors.angularjs.org/"NG_VERSION_FULL"/$parse/lval'
+				);
+			});
+		});
+
+		describe("when using filters", function() {
+			it("should apply the given filter", function() {
+				expressions.filters.currency = function(input, currency, digits) {
+					input = input.toFixed(digits);
+
+					if (currency === "EUR") {
+						return input + "€";
+					}
+					return input + "$";
+				};
+
+				evaluate = compile("1.2345 | currency:selectedCurrency:2");
+				expect(
+					evaluate({
+						selectedCurrency: "EUR"
+					})
+				).to.equal("1.23€");
+			});
+		});
+
+		describe("when evaluating the same expression multiple times", function() {
+			it("should cache the generated function", function() {
+				expect(compile("a")).to.equal(compile("a"));
+			});
+		});
+
+		describe("for assigning values", function() {
+			beforeEach(function() {
+				scope = {};
+			});
+
+			it("should expose an 'assign'-function", function() {
+				var fn = compile("a");
+
+				expect(fn.assign).to.be.a("function");
+				fn.assign(scope, 123);
+				expect(scope.a).to.equal(123);
+			});
+
+			describe("the 'assign'-function", function() {
+				it("should work for expressions ending with brackets", function() {
+					var fn = compile("a.b['c']");
+
+					fn.assign(scope, 123);
+					expect(scope.a.b.c).to.equal(123);
+				});
+
+				it("should work for expressions with brackets in the middle", function() {
+					var fn = compile('a["b"].c');
+
+					fn.assign(scope, 123);
+					expect(scope.a.b.c).to.equal(123);
+				});
+
+				it("should return the result of the assignment", function() {
+					var fn = compile('a["b"].c');
+
+					expect(fn.assign(scope, 123)).to.equal(123);
+				});
+			});
+		});
+
+		describe(".cache", function() {
+			it("should be an object by default", function() {
+				expect(compile.cache).to.be.an("object");
+			});
+
+			it("should cache the generated function by the expression", function() {
+				var fn = compile("a");
+
+				expect(compile.cache.a).to.equal(fn);
+			});
+
+			describe("when setting it to false", function() {
+				it("should disable the cache", function() {
+					compile.cache = false;
+					expect(compile("a")).to.not.equal(compile("a"));
+					compile.cache = Object.create(null);
+				});
+			});
+		});
+	});
+
+	describe(".filters", function() {
+		it("should be an object", function() {
+			expect(expressions.filters).to.be.an("object");
+		});
+	});
+
+	describe("prototype", function() {
+		var evaluate;
+
+		it("should not leak", function() {
+			evaluate = compile("''.split");
+			expect(evaluate({})).to.eql(undefined);
+		});
+
+		it("should not leak with computed prop", function() {
+			evaluate = compile("a['split']");
+			expect(evaluate({ a: "" })).to.eql(undefined);
+		});
+
+		it("should allow to read string length", function() {
+			evaluate = compile("'abc'.length");
+			expect(evaluate({})).to.eql(3);
+		});
+
+		it("should allow to read users length", function() {
+			evaluate = compile("users.length");
+			expect(evaluate({ users: [1, 4, 4] })).to.eql(3);
+		});
+
+		// it("should disallow from changing prototype", function() {
+		// 	evaluate = compile("name.split = 10");
+		// 	var scope = { name: "hello" };
+		// 	evaluate(scope);
+		// 	expect(scope.name.split).to.be.a("function");
+		// });
+		//
+		//
+		it("should work with __proto__", function() {
+			evaluate = compile("__proto__");
+			expect(evaluate({})).to.eql(undefined);
+		});
+
+		it("should work with toString", function() {
+			evaluate = compile("toString");
+			expect(evaluate({ toString: 10 })).to.eql(10);
+		});
+	});
 });

programming_language: JavaScript