diff --git a/packages/babel-runtime/package.js b/packages/babel-runtime/package.js index 8eb9322e7e..2492ebacc8 100644 --- a/packages/babel-runtime/package.js +++ b/packages/babel-runtime/package.js @@ -10,10 +10,6 @@ Npm.depends({ }); Package.onUse(function (api) { - // If the es5-shim package is installed, make sure it loads before - // babel-runtime, since babel-runtime uses some ES5 APIs like - // Object.defineProperties that are buggy in older browsers. - api.use("es5-shim", { weak: true }); api.use("modules"); api.use("promise"); // Needed by Regenerator. api.mainModule("babel-runtime.js"); diff --git a/packages/ecmascript-runtime-client/package.js b/packages/ecmascript-runtime-client/package.js index ec764de087..6e8094aa75 100644 --- a/packages/ecmascript-runtime-client/package.js +++ b/packages/ecmascript-runtime-client/package.js @@ -7,10 +7,6 @@ Package.describe({ }); Package.onUse(function(api) { - // If the es5-shim package is installed, make sure it loads before - // ecmascript-runtime-server, since the runtime uses some ES5 APIs like - // Object.defineProperties that are buggy in older browsers. - api.use("es5-shim", { weak: true }); api.use("modules", "client"); api.use("promise", "client"); api.mainModule("runtime.js", "client"); diff --git a/packages/es5-shim/.npm/package/.gitignore b/packages/es5-shim/.npm/package/.gitignore deleted file mode 100644 index 3c3629e647..0000000000 --- a/packages/es5-shim/.npm/package/.gitignore +++ /dev/null @@ -1 +0,0 @@ -node_modules diff --git a/packages/es5-shim/.npm/package/README b/packages/es5-shim/.npm/package/README deleted file mode 100644 index 3d492553a4..0000000000 --- a/packages/es5-shim/.npm/package/README +++ /dev/null @@ -1,7 +0,0 @@ -This directory and the files immediately inside it are automatically generated -when you change this package's NPM dependencies. Commit the files in this -directory (npm-shrinkwrap.json, .gitignore, and this README) to source control -so that others run the same versions of sub-dependencies. - -You should NOT check in the node_modules directory that Meteor automatically -creates; if you are using git, the .gitignore file tells git to ignore it. diff --git a/packages/es5-shim/.npm/package/npm-shrinkwrap.json b/packages/es5-shim/.npm/package/npm-shrinkwrap.json deleted file mode 100644 index b868dd4637..0000000000 --- a/packages/es5-shim/.npm/package/npm-shrinkwrap.json +++ /dev/null @@ -1,10 +0,0 @@ -{ - "lockfileVersion": 1, - "dependencies": { - "es5-shim": { - "version": "4.5.9", - "resolved": "https://registry.npmjs.org/es5-shim/-/es5-shim-4.5.9.tgz", - "integrity": "sha1-Kh4rnlg/9f7Qwgo+4svz91IwpcA=" - } - } -} diff --git a/packages/es5-shim/client.js b/packages/es5-shim/client.js deleted file mode 100644 index aa0d54b091..0000000000 --- a/packages/es5-shim/client.js +++ /dev/null @@ -1,5 +0,0 @@ -require("./import_globals.js"); -require("es5-shim/es5-shim.js"); -require("es5-shim/es5-sham.js"); -require("./console.js"); -require("./export_globals.js"); diff --git a/packages/es5-shim/es5-shim-sham.js b/packages/es5-shim/es5-shim-sham.js new file mode 100644 index 0000000000..9134f10840 --- /dev/null +++ b/packages/es5-shim/es5-shim-sham.js @@ -0,0 +1,2629 @@ +/*! + * https://github.com/es-shims/es5-shim + * @license es5-shim Copyright 2009-2015 by contributors, MIT License + * see https://github.com/es-shims/es5-shim/blob/master/LICENSE + * @version 4.5.9 + */ + +// vim: ts=4 sts=4 sw=4 expandtab + +// Add semicolon to prevent IIFE from being passed as argument to concatenated code. +; + +// UMD (Universal Module Definition) +// see https://github.com/umdjs/umd/blob/master/templates/returnExports.js +(function (root, factory) { + 'use strict'; + + /* global define, exports, module */ + if (typeof define === 'function' && define.amd) { + // AMD. Register as an anonymous module. + define(factory); + } else if (typeof exports === 'object') { + // Node. Does not work with strict CommonJS, but + // only CommonJS-like enviroments that support module.exports, + // like Node. + module.exports = factory(); + } else { + // Browser globals (root is window) + root.returnExports = factory(); + } +}(this, function () { + /** + * Brings an environment as close to ECMAScript 5 compliance + * as is possible with the facilities of erstwhile engines. + * + * Annotated ES5: http://es5.github.com/ (specific links below) + * ES5 Spec: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf + * Required reading: http://javascriptweblog.wordpress.com/2011/12/05/extending-javascript-natives/ + */ + + // Shortcut to an often accessed properties, in order to avoid multiple + // dereference that costs universally. This also holds a reference to known-good + // functions. + var $Array = Array; + var ArrayPrototype = $Array.prototype; + var $Object = Object; + var ObjectPrototype = $Object.prototype; + var $Function = Function; + var FunctionPrototype = $Function.prototype; + var $String = String; + var StringPrototype = $String.prototype; + var $Number = Number; + var NumberPrototype = $Number.prototype; + var array_slice = ArrayPrototype.slice; + var array_splice = ArrayPrototype.splice; + var array_push = ArrayPrototype.push; + var array_unshift = ArrayPrototype.unshift; + var array_concat = ArrayPrototype.concat; + var array_join = ArrayPrototype.join; + var call = FunctionPrototype.call; + var apply = FunctionPrototype.apply; + var max = Math.max; + var min = Math.min; + + // Having a toString local variable name breaks in Opera so use to_string. + var to_string = ObjectPrototype.toString; + + /* global Symbol */ + /* eslint-disable one-var-declaration-per-line, no-redeclare, max-statements-per-line */ + var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; + var isCallable; /* inlined from https://npmjs.com/is-callable */ var fnToStr = Function.prototype.toString, constructorRegex = /^\s*class /, isES6ClassFn = function isES6ClassFn(value) { try { var fnStr = fnToStr.call(value); var singleStripped = fnStr.replace(/\/\/.*\n/g, ''); var multiStripped = singleStripped.replace(/\/\*[.\s\S]*\*\//g, ''); var spaceStripped = multiStripped.replace(/\n/mg, ' ').replace(/ {2}/g, ' '); return constructorRegex.test(spaceStripped); } catch (e) { return false; /* not a function */ } }, tryFunctionObject = function tryFunctionObject(value) { try { if (isES6ClassFn(value)) { return false; } fnToStr.call(value); return true; } catch (e) { return false; } }, fnClass = '[object Function]', genClass = '[object GeneratorFunction]', isCallable = function isCallable(value) { if (!value) { return false; } if (typeof value !== 'function' && typeof value !== 'object') { return false; } if (hasToStringTag) { return tryFunctionObject(value); } if (isES6ClassFn(value)) { return false; } var strClass = to_string.call(value); return strClass === fnClass || strClass === genClass; }; + + var isRegex; /* inlined from https://npmjs.com/is-regex */ var regexExec = RegExp.prototype.exec, tryRegexExec = function tryRegexExec(value) { try { regexExec.call(value); return true; } catch (e) { return false; } }, regexClass = '[object RegExp]'; isRegex = function isRegex(value) { if (typeof value !== 'object') { return false; } return hasToStringTag ? tryRegexExec(value) : to_string.call(value) === regexClass; }; + var isString; /* inlined from https://npmjs.com/is-string */ var strValue = String.prototype.valueOf, tryStringObject = function tryStringObject(value) { try { strValue.call(value); return true; } catch (e) { return false; } }, stringClass = '[object String]'; isString = function isString(value) { if (typeof value === 'string') { return true; } if (typeof value !== 'object') { return false; } return hasToStringTag ? tryStringObject(value) : to_string.call(value) === stringClass; }; + /* eslint-enable one-var-declaration-per-line, no-redeclare, max-statements-per-line */ + + /* inlined from http://npmjs.com/define-properties */ + var supportsDescriptors = $Object.defineProperty && (function () { + try { + var obj = {}; + $Object.defineProperty(obj, 'x', { enumerable: false, value: obj }); + for (var _ in obj) { // jscs:ignore disallowUnusedVariables + return false; + } + return obj.x === obj; + } catch (e) { /* this is ES3 */ + return false; + } + }()); + var defineProperties = (function (has) { + // Define configurable, writable, and non-enumerable props + // if they don't exist. + var defineProperty; + if (supportsDescriptors) { + defineProperty = function (object, name, method, forceAssign) { + if (!forceAssign && (name in object)) { + return; + } + $Object.defineProperty(object, name, { + configurable: true, + enumerable: false, + writable: true, + value: method + }); + }; + } else { + defineProperty = function (object, name, method, forceAssign) { + if (!forceAssign && (name in object)) { + return; + } + object[name] = method; + }; + } + return function defineProperties(object, map, forceAssign) { + for (var name in map) { + if (has.call(map, name)) { + defineProperty(object, name, map[name], forceAssign); + } + } + }; + }(ObjectPrototype.hasOwnProperty)); + + // + // Util + // ====== + // + + /* replaceable with https://npmjs.com/package/es-abstract /helpers/isPrimitive */ + var isPrimitive = function isPrimitive(input) { + var type = typeof input; + return input === null || (type !== 'object' && type !== 'function'); + }; + + var isActualNaN = $Number.isNaN || function isActualNaN(x) { + return x !== x; + }; + + var ES = { + // ES5 9.4 + // http://es5.github.com/#x9.4 + // http://jsperf.com/to-integer + /* replaceable with https://npmjs.com/package/es-abstract ES5.ToInteger */ + ToInteger: function ToInteger(num) { + var n = +num; + if (isActualNaN(n)) { + n = 0; + } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) { + n = (n > 0 || -1) * Math.floor(Math.abs(n)); + } + return n; + }, + + /* replaceable with https://npmjs.com/package/es-abstract ES5.ToPrimitive */ + ToPrimitive: function ToPrimitive(input) { + var val, valueOf, toStr; + if (isPrimitive(input)) { + return input; + } + valueOf = input.valueOf; + if (isCallable(valueOf)) { + val = valueOf.call(input); + if (isPrimitive(val)) { + return val; + } + } + toStr = input.toString; + if (isCallable(toStr)) { + val = toStr.call(input); + if (isPrimitive(val)) { + return val; + } + } + throw new TypeError(); + }, + + // ES5 9.9 + // http://es5.github.com/#x9.9 + /* replaceable with https://npmjs.com/package/es-abstract ES5.ToObject */ + ToObject: function (o) { + if (o == null) { // this matches both null and undefined + throw new TypeError("can't convert " + o + ' to object'); + } + return $Object(o); + }, + + /* replaceable with https://npmjs.com/package/es-abstract ES5.ToUint32 */ + ToUint32: function ToUint32(x) { + return x >>> 0; + } + }; + + // + // Function + // ======== + // + + // ES-5 15.3.4.5 + // http://es5.github.com/#x15.3.4.5 + + var Empty = function Empty() {}; + + defineProperties(FunctionPrototype, { + bind: function bind(that) { // .length is 1 + // 1. Let Target be the this value. + var target = this; + // 2. If IsCallable(Target) is false, throw a TypeError exception. + if (!isCallable(target)) { + throw new TypeError('Function.prototype.bind called on incompatible ' + target); + } + // 3. Let A be a new (possibly empty) internal list of all of the + // argument values provided after thisArg (arg1, arg2 etc), in order. + // XXX slicedArgs will stand in for "A" if used + var args = array_slice.call(arguments, 1); // for normal call + // 4. Let F be a new native ECMAScript object. + // 11. Set the [[Prototype]] internal property of F to the standard + // built-in Function prototype object as specified in 15.3.3.1. + // 12. Set the [[Call]] internal property of F as described in + // 15.3.4.5.1. + // 13. Set the [[Construct]] internal property of F as described in + // 15.3.4.5.2. + // 14. Set the [[HasInstance]] internal property of F as described in + // 15.3.4.5.3. + var bound; + var binder = function () { + + if (this instanceof bound) { + // 15.3.4.5.2 [[Construct]] + // When the [[Construct]] internal method of a function object, + // F that was created using the bind function is called with a + // list of arguments ExtraArgs, the following steps are taken: + // 1. Let target be the value of F's [[TargetFunction]] + // internal property. + // 2. If target has no [[Construct]] internal method, a + // TypeError exception is thrown. + // 3. Let boundArgs be the value of F's [[BoundArgs]] internal + // property. + // 4. Let args be a new list containing the same values as the + // list boundArgs in the same order followed by the same + // values as the list ExtraArgs in the same order. + // 5. Return the result of calling the [[Construct]] internal + // method of target providing args as the arguments. + + var result = apply.call( + target, + this, + array_concat.call(args, array_slice.call(arguments)) + ); + if ($Object(result) === result) { + return result; + } + return this; + + } else { + // 15.3.4.5.1 [[Call]] + // When the [[Call]] internal method of a function object, F, + // which was created using the bind function is called with a + // this value and a list of arguments ExtraArgs, the following + // steps are taken: + // 1. Let boundArgs be the value of F's [[BoundArgs]] internal + // property. + // 2. Let boundThis be the value of F's [[BoundThis]] internal + // property. + // 3. Let target be the value of F's [[TargetFunction]] internal + // property. + // 4. Let args be a new list containing the same values as the + // list boundArgs in the same order followed by the same + // values as the list ExtraArgs in the same order. + // 5. Return the result of calling the [[Call]] internal method + // of target providing boundThis as the this value and + // providing args as the arguments. + + // equiv: target.call(this, ...boundArgs, ...args) + return apply.call( + target, + that, + array_concat.call(args, array_slice.call(arguments)) + ); + + } + + }; + + // 15. If the [[Class]] internal property of Target is "Function", then + // a. Let L be the length property of Target minus the length of A. + // b. Set the length own property of F to either 0 or L, whichever is + // larger. + // 16. Else set the length own property of F to 0. + + var boundLength = max(0, target.length - args.length); + + // 17. Set the attributes of the length own property of F to the values + // specified in 15.3.5.1. + var boundArgs = []; + for (var i = 0; i < boundLength; i++) { + array_push.call(boundArgs, '$' + i); + } + + // XXX Build a dynamic function with desired amount of arguments is the only + // way to set the length property of a function. + // In environments where Content Security Policies enabled (Chrome extensions, + // for ex.) all use of eval or Function costructor throws an exception. + // However in all of these environments Function.prototype.bind exists + // and so this code will never be executed. + bound = $Function('binder', 'return function (' + array_join.call(boundArgs, ',') + '){ return binder.apply(this, arguments); }')(binder); + + if (target.prototype) { + Empty.prototype = target.prototype; + bound.prototype = new Empty(); + // Clean up dangling references. + Empty.prototype = null; + } + + // TODO + // 18. Set the [[Extensible]] internal property of F to true. + + // TODO + // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3). + // 20. Call the [[DefineOwnProperty]] internal method of F with + // arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]: + // thrower, [[Enumerable]]: false, [[Configurable]]: false}, and + // false. + // 21. Call the [[DefineOwnProperty]] internal method of F with + // arguments "arguments", PropertyDescriptor {[[Get]]: thrower, + // [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false}, + // and false. + + // TODO + // NOTE Function objects created using Function.prototype.bind do not + // have a prototype property or the [[Code]], [[FormalParameters]], and + // [[Scope]] internal properties. + // XXX can't delete prototype in pure-js. + + // 22. Return F. + return bound; + } + }); + + // _Please note: Shortcuts are defined after `Function.prototype.bind` as we + // use it in defining shortcuts. + var owns = call.bind(ObjectPrototype.hasOwnProperty); + var toStr = call.bind(ObjectPrototype.toString); + var arraySlice = call.bind(array_slice); + var arraySliceApply = apply.bind(array_slice); + var strSlice = call.bind(StringPrototype.slice); + var strSplit = call.bind(StringPrototype.split); + var strIndexOf = call.bind(StringPrototype.indexOf); + var pushCall = call.bind(array_push); + var isEnum = call.bind(ObjectPrototype.propertyIsEnumerable); + var arraySort = call.bind(ArrayPrototype.sort); + + // + // Array + // ===== + // + + var isArray = $Array.isArray || function isArray(obj) { + return toStr(obj) === '[object Array]'; + }; + + // ES5 15.4.4.12 + // http://es5.github.com/#x15.4.4.13 + // Return len+argCount. + // [bugfix, ielt8] + // IE < 8 bug: [].unshift(0) === undefined but should be "1" + var hasUnshiftReturnValueBug = [].unshift(0) !== 1; + defineProperties(ArrayPrototype, { + unshift: function () { + array_unshift.apply(this, arguments); + return this.length; + } + }, hasUnshiftReturnValueBug); + + // ES5 15.4.3.2 + // http://es5.github.com/#x15.4.3.2 + // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray + defineProperties($Array, { isArray: isArray }); + + // The IsCallable() check in the Array functions + // has been replaced with a strict check on the + // internal class of the object to trap cases where + // the provided function was actually a regular + // expression literal, which in V8 and + // JavaScriptCore is a typeof "function". Only in + // V8 are regular expression literals permitted as + // reduce parameters, so it is desirable in the + // general case for the shim to match the more + // strict and common behavior of rejecting regular + // expressions. + + // ES5 15.4.4.18 + // http://es5.github.com/#x15.4.4.18 + // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/forEach + + // Check failure of by-index access of string characters (IE < 9) + // and failure of `0 in boxedString` (Rhino) + var boxedString = $Object('a'); + var splitString = boxedString[0] !== 'a' || !(0 in boxedString); + + var properlyBoxesContext = function properlyBoxed(method) { + // Check node 0.6.21 bug where third parameter is not boxed + var properlyBoxesNonStrict = true; + var properlyBoxesStrict = true; + var threwException = false; + if (method) { + try { + method.call('foo', function (_, __, context) { + if (typeof context !== 'object') { + properlyBoxesNonStrict = false; + } + }); + + method.call([1], function () { + 'use strict'; + + properlyBoxesStrict = typeof this === 'string'; + }, 'x'); + } catch (e) { + threwException = true; + } + } + return !!method && !threwException && properlyBoxesNonStrict && properlyBoxesStrict; + }; + + defineProperties(ArrayPrototype, { + forEach: function forEach(callbackfn/*, thisArg*/) { + var object = ES.ToObject(this); + var self = splitString && isString(this) ? strSplit(this, '') : object; + var i = -1; + var length = ES.ToUint32(self.length); + var T; + if (arguments.length > 1) { + T = arguments[1]; + } + + // If no callback function or if callback is not a callable function + if (!isCallable(callbackfn)) { + throw new TypeError('Array.prototype.forEach callback must be a function'); + } + + while (++i < length) { + if (i in self) { + // Invoke the callback function with call, passing arguments: + // context, property value, property key, thisArg object + if (typeof T === 'undefined') { + callbackfn(self[i], i, object); + } else { + callbackfn.call(T, self[i], i, object); + } + } + } + } + }, !properlyBoxesContext(ArrayPrototype.forEach)); + + // ES5 15.4.4.19 + // http://es5.github.com/#x15.4.4.19 + // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map + defineProperties(ArrayPrototype, { + map: function map(callbackfn/*, thisArg*/) { + var object = ES.ToObject(this); + var self = splitString && isString(this) ? strSplit(this, '') : object; + var length = ES.ToUint32(self.length); + var result = $Array(length); + var T; + if (arguments.length > 1) { + T = arguments[1]; + } + + // If no callback function or if callback is not a callable function + if (!isCallable(callbackfn)) { + throw new TypeError('Array.prototype.map callback must be a function'); + } + + for (var i = 0; i < length; i++) { + if (i in self) { + if (typeof T === 'undefined') { + result[i] = callbackfn(self[i], i, object); + } else { + result[i] = callbackfn.call(T, self[i], i, object); + } + } + } + return result; + } + }, !properlyBoxesContext(ArrayPrototype.map)); + + // ES5 15.4.4.20 + // http://es5.github.com/#x15.4.4.20 + // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter + defineProperties(ArrayPrototype, { + filter: function filter(callbackfn/*, thisArg*/) { + var object = ES.ToObject(this); + var self = splitString && isString(this) ? strSplit(this, '') : object; + var length = ES.ToUint32(self.length); + var result = []; + var value; + var T; + if (arguments.length > 1) { + T = arguments[1]; + } + + // If no callback function or if callback is not a callable function + if (!isCallable(callbackfn)) { + throw new TypeError('Array.prototype.filter callback must be a function'); + } + + for (var i = 0; i < length; i++) { + if (i in self) { + value = self[i]; + if (typeof T === 'undefined' ? callbackfn(value, i, object) : callbackfn.call(T, value, i, object)) { + pushCall(result, value); + } + } + } + return result; + } + }, !properlyBoxesContext(ArrayPrototype.filter)); + + // ES5 15.4.4.16 + // http://es5.github.com/#x15.4.4.16 + // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every + defineProperties(ArrayPrototype, { + every: function every(callbackfn/*, thisArg*/) { + var object = ES.ToObject(this); + var self = splitString && isString(this) ? strSplit(this, '') : object; + var length = ES.ToUint32(self.length); + var T; + if (arguments.length > 1) { + T = arguments[1]; + } + + // If no callback function or if callback is not a callable function + if (!isCallable(callbackfn)) { + throw new TypeError('Array.prototype.every callback must be a function'); + } + + for (var i = 0; i < length; i++) { + if (i in self && !(typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) { + return false; + } + } + return true; + } + }, !properlyBoxesContext(ArrayPrototype.every)); + + // ES5 15.4.4.17 + // http://es5.github.com/#x15.4.4.17 + // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some + defineProperties(ArrayPrototype, { + some: function some(callbackfn/*, thisArg */) { + var object = ES.ToObject(this); + var self = splitString && isString(this) ? strSplit(this, '') : object; + var length = ES.ToUint32(self.length); + var T; + if (arguments.length > 1) { + T = arguments[1]; + } + + // If no callback function or if callback is not a callable function + if (!isCallable(callbackfn)) { + throw new TypeError('Array.prototype.some callback must be a function'); + } + + for (var i = 0; i < length; i++) { + if (i in self && (typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) { + return true; + } + } + return false; + } + }, !properlyBoxesContext(ArrayPrototype.some)); + + // ES5 15.4.4.21 + // http://es5.github.com/#x15.4.4.21 + // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce + var reduceCoercesToObject = false; + if (ArrayPrototype.reduce) { + reduceCoercesToObject = typeof ArrayPrototype.reduce.call('es5', function (_, __, ___, list) { + return list; + }) === 'object'; + } + defineProperties(ArrayPrototype, { + reduce: function reduce(callbackfn/*, initialValue*/) { + var object = ES.ToObject(this); + var self = splitString && isString(this) ? strSplit(this, '') : object; + var length = ES.ToUint32(self.length); + + // If no callback function or if callback is not a callable function + if (!isCallable(callbackfn)) { + throw new TypeError('Array.prototype.reduce callback must be a function'); + } + + // no value to return if no initial value and an empty array + if (length === 0 && arguments.length === 1) { + throw new TypeError('reduce of empty array with no initial value'); + } + + var i = 0; + var result; + if (arguments.length >= 2) { + result = arguments[1]; + } else { + do { + if (i in self) { + result = self[i++]; + break; + } + + // if array contains no values, no initial value to return + if (++i >= length) { + throw new TypeError('reduce of empty array with no initial value'); + } + } while (true); + } + + for (; i < length; i++) { + if (i in self) { + result = callbackfn(result, self[i], i, object); + } + } + + return result; + } + }, !reduceCoercesToObject); + + // ES5 15.4.4.22 + // http://es5.github.com/#x15.4.4.22 + // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight + var reduceRightCoercesToObject = false; + if (ArrayPrototype.reduceRight) { + reduceRightCoercesToObject = typeof ArrayPrototype.reduceRight.call('es5', function (_, __, ___, list) { + return list; + }) === 'object'; + } + defineProperties(ArrayPrototype, { + reduceRight: function reduceRight(callbackfn/*, initial*/) { + var object = ES.ToObject(this); + var self = splitString && isString(this) ? strSplit(this, '') : object; + var length = ES.ToUint32(self.length); + + // If no callback function or if callback is not a callable function + if (!isCallable(callbackfn)) { + throw new TypeError('Array.prototype.reduceRight callback must be a function'); + } + + // no value to return if no initial value, empty array + if (length === 0 && arguments.length === 1) { + throw new TypeError('reduceRight of empty array with no initial value'); + } + + var result; + var i = length - 1; + if (arguments.length >= 2) { + result = arguments[1]; + } else { + do { + if (i in self) { + result = self[i--]; + break; + } + + // if array contains no values, no initial value to return + if (--i < 0) { + throw new TypeError('reduceRight of empty array with no initial value'); + } + } while (true); + } + + if (i < 0) { + return result; + } + + do { + if (i in self) { + result = callbackfn(result, self[i], i, object); + } + } while (i--); + + return result; + } + }, !reduceRightCoercesToObject); + + // ES5 15.4.4.14 + // http://es5.github.com/#x15.4.4.14 + // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf + var hasFirefox2IndexOfBug = ArrayPrototype.indexOf && [0, 1].indexOf(1, 2) !== -1; + defineProperties(ArrayPrototype, { + indexOf: function indexOf(searchElement/*, fromIndex */) { + var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this); + var length = ES.ToUint32(self.length); + + if (length === 0) { + return -1; + } + + var i = 0; + if (arguments.length > 1) { + i = ES.ToInteger(arguments[1]); + } + + // handle negative indices + i = i >= 0 ? i : max(0, length + i); + for (; i < length; i++) { + if (i in self && self[i] === searchElement) { + return i; + } + } + return -1; + } + }, hasFirefox2IndexOfBug); + + // ES5 15.4.4.15 + // http://es5.github.com/#x15.4.4.15 + // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf + var hasFirefox2LastIndexOfBug = ArrayPrototype.lastIndexOf && [0, 1].lastIndexOf(0, -3) !== -1; + defineProperties(ArrayPrototype, { + lastIndexOf: function lastIndexOf(searchElement/*, fromIndex */) { + var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this); + var length = ES.ToUint32(self.length); + + if (length === 0) { + return -1; + } + var i = length - 1; + if (arguments.length > 1) { + i = min(i, ES.ToInteger(arguments[1])); + } + // handle negative indices + i = i >= 0 ? i : length - Math.abs(i); + for (; i >= 0; i--) { + if (i in self && searchElement === self[i]) { + return i; + } + } + return -1; + } + }, hasFirefox2LastIndexOfBug); + + // ES5 15.4.4.12 + // http://es5.github.com/#x15.4.4.12 + var spliceNoopReturnsEmptyArray = (function () { + var a = [1, 2]; + var result = a.splice(); + return a.length === 2 && isArray(result) && result.length === 0; + }()); + defineProperties(ArrayPrototype, { + // Safari 5.0 bug where .splice() returns undefined + splice: function splice(start, deleteCount) { + if (arguments.length === 0) { + return []; + } else { + return array_splice.apply(this, arguments); + } + } + }, !spliceNoopReturnsEmptyArray); + + var spliceWorksWithEmptyObject = (function () { + var obj = {}; + ArrayPrototype.splice.call(obj, 0, 0, 1); + return obj.length === 1; + }()); + defineProperties(ArrayPrototype, { + splice: function splice(start, deleteCount) { + if (arguments.length === 0) { + return []; + } + var args = arguments; + this.length = max(ES.ToInteger(this.length), 0); + if (arguments.length > 0 && typeof deleteCount !== 'number') { + args = arraySlice(arguments); + if (args.length < 2) { + pushCall(args, this.length - start); + } else { + args[1] = ES.ToInteger(deleteCount); + } + } + return array_splice.apply(this, args); + } + }, !spliceWorksWithEmptyObject); + var spliceWorksWithLargeSparseArrays = (function () { + // Per https://github.com/es-shims/es5-shim/issues/295 + // Safari 7/8 breaks with sparse arrays of size 1e5 or greater + var arr = new $Array(1e5); + // note: the index MUST be 8 or larger or the test will false pass + arr[8] = 'x'; + arr.splice(1, 1); + // note: this test must be defined *after* the indexOf shim + // per https://github.com/es-shims/es5-shim/issues/313 + return arr.indexOf('x') === 7; + }()); + var spliceWorksWithSmallSparseArrays = (function () { + // Per https://github.com/es-shims/es5-shim/issues/295 + // Opera 12.15 breaks on this, no idea why. + var n = 256; + var arr = []; + arr[n] = 'a'; + arr.splice(n + 1, 0, 'b'); + return arr[n] === 'a'; + }()); + defineProperties(ArrayPrototype, { + splice: function splice(start, deleteCount) { + var O = ES.ToObject(this); + var A = []; + var len = ES.ToUint32(O.length); + var relativeStart = ES.ToInteger(start); + var actualStart = relativeStart < 0 ? max((len + relativeStart), 0) : min(relativeStart, len); + var actualDeleteCount = min(max(ES.ToInteger(deleteCount), 0), len - actualStart); + + var k = 0; + var from; + while (k < actualDeleteCount) { + from = $String(actualStart + k); + if (owns(O, from)) { + A[k] = O[from]; + } + k += 1; + } + + var items = arraySlice(arguments, 2); + var itemCount = items.length; + var to; + if (itemCount < actualDeleteCount) { + k = actualStart; + var maxK = len - actualDeleteCount; + while (k < maxK) { + from = $String(k + actualDeleteCount); + to = $String(k + itemCount); + if (owns(O, from)) { + O[to] = O[from]; + } else { + delete O[to]; + } + k += 1; + } + k = len; + var minK = len - actualDeleteCount + itemCount; + while (k > minK) { + delete O[k - 1]; + k -= 1; + } + } else if (itemCount > actualDeleteCount) { + k = len - actualDeleteCount; + while (k > actualStart) { + from = $String(k + actualDeleteCount - 1); + to = $String(k + itemCount - 1); + if (owns(O, from)) { + O[to] = O[from]; + } else { + delete O[to]; + } + k -= 1; + } + } + k = actualStart; + for (var i = 0; i < items.length; ++i) { + O[k] = items[i]; + k += 1; + } + O.length = len - actualDeleteCount + itemCount; + + return A; + } + }, !spliceWorksWithLargeSparseArrays || !spliceWorksWithSmallSparseArrays); + + var originalJoin = ArrayPrototype.join; + var hasStringJoinBug; + try { + hasStringJoinBug = Array.prototype.join.call('123', ',') !== '1,2,3'; + } catch (e) { + hasStringJoinBug = true; + } + if (hasStringJoinBug) { + defineProperties(ArrayPrototype, { + join: function join(separator) { + var sep = typeof separator === 'undefined' ? ',' : separator; + return originalJoin.call(isString(this) ? strSplit(this, '') : this, sep); + } + }, hasStringJoinBug); + } + + var hasJoinUndefinedBug = [1, 2].join(undefined) !== '1,2'; + if (hasJoinUndefinedBug) { + defineProperties(ArrayPrototype, { + join: function join(separator) { + var sep = typeof separator === 'undefined' ? ',' : separator; + return originalJoin.call(this, sep); + } + }, hasJoinUndefinedBug); + } + + var pushShim = function push(item) { + var O = ES.ToObject(this); + var n = ES.ToUint32(O.length); + var i = 0; + while (i < arguments.length) { + O[n + i] = arguments[i]; + i += 1; + } + O.length = n + i; + return n + i; + }; + + var pushIsNotGeneric = (function () { + var obj = {}; + var result = Array.prototype.push.call(obj, undefined); + return result !== 1 || obj.length !== 1 || typeof obj[0] !== 'undefined' || !owns(obj, 0); + }()); + defineProperties(ArrayPrototype, { + push: function push(item) { + if (isArray(this)) { + return array_push.apply(this, arguments); + } + return pushShim.apply(this, arguments); + } + }, pushIsNotGeneric); + + // This fixes a very weird bug in Opera 10.6 when pushing `undefined + var pushUndefinedIsWeird = (function () { + var arr = []; + var result = arr.push(undefined); + return result !== 1 || arr.length !== 1 || typeof arr[0] !== 'undefined' || !owns(arr, 0); + }()); + defineProperties(ArrayPrototype, { push: pushShim }, pushUndefinedIsWeird); + + // ES5 15.2.3.14 + // http://es5.github.io/#x15.4.4.10 + // Fix boxed string bug + defineProperties(ArrayPrototype, { + slice: function (start, end) { + var arr = isString(this) ? strSplit(this, '') : this; + return arraySliceApply(arr, arguments); + } + }, splitString); + + var sortIgnoresNonFunctions = (function () { + try { + [1, 2].sort(null); + [1, 2].sort({}); + return true; + } catch (e) {} + return false; + }()); + var sortThrowsOnRegex = (function () { + // this is a problem in Firefox 4, in which `typeof /a/ === 'function'` + try { + [1, 2].sort(/a/); + return false; + } catch (e) {} + return true; + }()); + var sortIgnoresUndefined = (function () { + // applies in IE 8, for one. + try { + [1, 2].sort(undefined); + return true; + } catch (e) {} + return false; + }()); + defineProperties(ArrayPrototype, { + sort: function sort(compareFn) { + if (typeof compareFn === 'undefined') { + return arraySort(this); + } + if (!isCallable(compareFn)) { + throw new TypeError('Array.prototype.sort callback must be a function'); + } + return arraySort(this, compareFn); + } + }, sortIgnoresNonFunctions || !sortIgnoresUndefined || !sortThrowsOnRegex); + + // + // Object + // ====== + // + + // ES5 15.2.3.14 + // http://es5.github.com/#x15.2.3.14 + + // http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation + var hasDontEnumBug = !isEnum({ 'toString': null }, 'toString'); + var hasProtoEnumBug = isEnum(function () {}, 'prototype'); + var hasStringEnumBug = !owns('x', '0'); + var equalsConstructorPrototype = function (o) { + var ctor = o.constructor; + return ctor && ctor.prototype === o; + }; + var blacklistedKeys = { + $window: true, + $console: true, + $parent: true, + $self: true, + $frame: true, + $frames: true, + $frameElement: true, + $webkitIndexedDB: true, + $webkitStorageInfo: true, + $external: true + }; + var hasAutomationEqualityBug = (function () { + /* globals window */ + if (typeof window === 'undefined') { + return false; + } + for (var k in window) { + try { + if (!blacklistedKeys['$' + k] && owns(window, k) && window[k] !== null && typeof window[k] === 'object') { + equalsConstructorPrototype(window[k]); + } + } catch (e) { + return true; + } + } + return false; + }()); + var equalsConstructorPrototypeIfNotBuggy = function (object) { + if (typeof window === 'undefined' || !hasAutomationEqualityBug) { + return equalsConstructorPrototype(object); + } + try { + return equalsConstructorPrototype(object); + } catch (e) { + return false; + } + }; + var dontEnums = [ + 'toString', + 'toLocaleString', + 'valueOf', + 'hasOwnProperty', + 'isPrototypeOf', + 'propertyIsEnumerable', + 'constructor' + ]; + var dontEnumsLength = dontEnums.length; + + // taken directly from https://github.com/ljharb/is-arguments/blob/master/index.js + // can be replaced with require('is-arguments') if we ever use a build process instead + var isStandardArguments = function isArguments(value) { + return toStr(value) === '[object Arguments]'; + }; + var isLegacyArguments = function isArguments(value) { + return value !== null && + typeof value === 'object' && + typeof value.length === 'number' && + value.length >= 0 && + !isArray(value) && + isCallable(value.callee); + }; + var isArguments = isStandardArguments(arguments) ? isStandardArguments : isLegacyArguments; + + defineProperties($Object, { + keys: function keys(object) { + var isFn = isCallable(object); + var isArgs = isArguments(object); + var isObject = object !== null && typeof object === 'object'; + var isStr = isObject && isString(object); + + if (!isObject && !isFn && !isArgs) { + throw new TypeError('Object.keys called on a non-object'); + } + + var theKeys = []; + var skipProto = hasProtoEnumBug && isFn; + if ((isStr && hasStringEnumBug) || isArgs) { + for (var i = 0; i < object.length; ++i) { + pushCall(theKeys, $String(i)); + } + } + + if (!isArgs) { + for (var name in object) { + if (!(skipProto && name === 'prototype') && owns(object, name)) { + pushCall(theKeys, $String(name)); + } + } + } + + if (hasDontEnumBug) { + var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object); + for (var j = 0; j < dontEnumsLength; j++) { + var dontEnum = dontEnums[j]; + if (!(skipConstructor && dontEnum === 'constructor') && owns(object, dontEnum)) { + pushCall(theKeys, dontEnum); + } + } + } + return theKeys; + } + }); + + var keysWorksWithArguments = $Object.keys && (function () { + // Safari 5.0 bug + return $Object.keys(arguments).length === 2; + }(1, 2)); + var keysHasArgumentsLengthBug = $Object.keys && (function () { + var argKeys = $Object.keys(arguments); + return arguments.length !== 1 || argKeys.length !== 1 || argKeys[0] !== 1; + }(1)); + var originalKeys = $Object.keys; + defineProperties($Object, { + keys: function keys(object) { + if (isArguments(object)) { + return originalKeys(arraySlice(object)); + } else { + return originalKeys(object); + } + } + }, !keysWorksWithArguments || keysHasArgumentsLengthBug); + + // + // Date + // ==== + // + + var hasNegativeMonthYearBug = new Date(-3509827329600292).getUTCMonth() !== 0; + var aNegativeTestDate = new Date(-1509842289600292); + var aPositiveTestDate = new Date(1449662400000); + var hasToUTCStringFormatBug = aNegativeTestDate.toUTCString() !== 'Mon, 01 Jan -45875 11:59:59 GMT'; + var hasToDateStringFormatBug; + var hasToStringFormatBug; + var timeZoneOffset = aNegativeTestDate.getTimezoneOffset(); + if (timeZoneOffset < -720) { + hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Tue Jan 02 -45875'; + hasToStringFormatBug = !(/^Thu Dec 10 2015 \d\d:\d\d:\d\d GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString()); + } else { + hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Mon Jan 01 -45875'; + hasToStringFormatBug = !(/^Wed Dec 09 2015 \d\d:\d\d:\d\d GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString()); + } + + var originalGetFullYear = call.bind(Date.prototype.getFullYear); + var originalGetMonth = call.bind(Date.prototype.getMonth); + var originalGetDate = call.bind(Date.prototype.getDate); + var originalGetUTCFullYear = call.bind(Date.prototype.getUTCFullYear); + var originalGetUTCMonth = call.bind(Date.prototype.getUTCMonth); + var originalGetUTCDate = call.bind(Date.prototype.getUTCDate); + var originalGetUTCDay = call.bind(Date.prototype.getUTCDay); + var originalGetUTCHours = call.bind(Date.prototype.getUTCHours); + var originalGetUTCMinutes = call.bind(Date.prototype.getUTCMinutes); + var originalGetUTCSeconds = call.bind(Date.prototype.getUTCSeconds); + var originalGetUTCMilliseconds = call.bind(Date.prototype.getUTCMilliseconds); + var dayName = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']; + var monthName = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; + var daysInMonth = function daysInMonth(month, year) { + return originalGetDate(new Date(year, month, 0)); + }; + + defineProperties(Date.prototype, { + getFullYear: function getFullYear() { + if (!this || !(this instanceof Date)) { + throw new TypeError('this is not a Date object.'); + } + var year = originalGetFullYear(this); + if (year < 0 && originalGetMonth(this) > 11) { + return year + 1; + } + return year; + }, + getMonth: function getMonth() { + if (!this || !(this instanceof Date)) { + throw new TypeError('this is not a Date object.'); + } + var year = originalGetFullYear(this); + var month = originalGetMonth(this); + if (year < 0 && month > 11) { + return 0; + } + return month; + }, + getDate: function getDate() { + if (!this || !(this instanceof Date)) { + throw new TypeError('this is not a Date object.'); + } + var year = originalGetFullYear(this); + var month = originalGetMonth(this); + var date = originalGetDate(this); + if (year < 0 && month > 11) { + if (month === 12) { + return date; + } + var days = daysInMonth(0, year + 1); + return (days - date) + 1; + } + return date; + }, + getUTCFullYear: function getUTCFullYear() { + if (!this || !(this instanceof Date)) { + throw new TypeError('this is not a Date object.'); + } + var year = originalGetUTCFullYear(this); + if (year < 0 && originalGetUTCMonth(this) > 11) { + return year + 1; + } + return year; + }, + getUTCMonth: function getUTCMonth() { + if (!this || !(this instanceof Date)) { + throw new TypeError('this is not a Date object.'); + } + var year = originalGetUTCFullYear(this); + var month = originalGetUTCMonth(this); + if (year < 0 && month > 11) { + return 0; + } + return month; + }, + getUTCDate: function getUTCDate() { + if (!this || !(this instanceof Date)) { + throw new TypeError('this is not a Date object.'); + } + var year = originalGetUTCFullYear(this); + var month = originalGetUTCMonth(this); + var date = originalGetUTCDate(this); + if (year < 0 && month > 11) { + if (month === 12) { + return date; + } + var days = daysInMonth(0, year + 1); + return (days - date) + 1; + } + return date; + } + }, hasNegativeMonthYearBug); + + defineProperties(Date.prototype, { + toUTCString: function toUTCString() { + if (!this || !(this instanceof Date)) { + throw new TypeError('this is not a Date object.'); + } + var day = originalGetUTCDay(this); + var date = originalGetUTCDate(this); + var month = originalGetUTCMonth(this); + var year = originalGetUTCFullYear(this); + var hour = originalGetUTCHours(this); + var minute = originalGetUTCMinutes(this); + var second = originalGetUTCSeconds(this); + return dayName[day] + ', ' + + (date < 10 ? '0' + date : date) + ' ' + + monthName[month] + ' ' + + year + ' ' + + (hour < 10 ? '0' + hour : hour) + ':' + + (minute < 10 ? '0' + minute : minute) + ':' + + (second < 10 ? '0' + second : second) + ' GMT'; + } + }, hasNegativeMonthYearBug || hasToUTCStringFormatBug); + + // Opera 12 has `,` + defineProperties(Date.prototype, { + toDateString: function toDateString() { + if (!this || !(this instanceof Date)) { + throw new TypeError('this is not a Date object.'); + } + var day = this.getDay(); + var date = this.getDate(); + var month = this.getMonth(); + var year = this.getFullYear(); + return dayName[day] + ' ' + + monthName[month] + ' ' + + (date < 10 ? '0' + date : date) + ' ' + + year; + } + }, hasNegativeMonthYearBug || hasToDateStringFormatBug); + + // can't use defineProperties here because of toString enumeration issue in IE <= 8 + if (hasNegativeMonthYearBug || hasToStringFormatBug) { + Date.prototype.toString = function toString() { + if (!this || !(this instanceof Date)) { + throw new TypeError('this is not a Date object.'); + } + var day = this.getDay(); + var date = this.getDate(); + var month = this.getMonth(); + var year = this.getFullYear(); + var hour = this.getHours(); + var minute = this.getMinutes(); + var second = this.getSeconds(); + var timezoneOffset = this.getTimezoneOffset(); + var hoursOffset = Math.floor(Math.abs(timezoneOffset) / 60); + var minutesOffset = Math.floor(Math.abs(timezoneOffset) % 60); + return dayName[day] + ' ' + + monthName[month] + ' ' + + (date < 10 ? '0' + date : date) + ' ' + + year + ' ' + + (hour < 10 ? '0' + hour : hour) + ':' + + (minute < 10 ? '0' + minute : minute) + ':' + + (second < 10 ? '0' + second : second) + ' GMT' + + (timezoneOffset > 0 ? '-' : '+') + + (hoursOffset < 10 ? '0' + hoursOffset : hoursOffset) + + (minutesOffset < 10 ? '0' + minutesOffset : minutesOffset); + }; + if (supportsDescriptors) { + $Object.defineProperty(Date.prototype, 'toString', { + configurable: true, + enumerable: false, + writable: true + }); + } + } + + // ES5 15.9.5.43 + // http://es5.github.com/#x15.9.5.43 + // This function returns a String value represent the instance in time + // represented by this Date object. The format of the String is the Date Time + // string format defined in 15.9.1.15. All fields are present in the String. + // The time zone is always UTC, denoted by the suffix Z. If the time value of + // this object is not a finite Number a RangeError exception is thrown. + var negativeDate = -62198755200000; + var negativeYearString = '-000001'; + var hasNegativeDateBug = Date.prototype.toISOString && new Date(negativeDate).toISOString().indexOf(negativeYearString) === -1; + var hasSafari51DateBug = Date.prototype.toISOString && new Date(-1).toISOString() !== '1969-12-31T23:59:59.999Z'; + + var getTime = call.bind(Date.prototype.getTime); + + defineProperties(Date.prototype, { + toISOString: function toISOString() { + if (!isFinite(this) || !isFinite(getTime(this))) { + // Adope Photoshop requires the second check. + throw new RangeError('Date.prototype.toISOString called on non-finite value.'); + } + + var year = originalGetUTCFullYear(this); + + var month = originalGetUTCMonth(this); + // see https://github.com/es-shims/es5-shim/issues/111 + year += Math.floor(month / 12); + month = (month % 12 + 12) % 12; + + // the date time string format is specified in 15.9.1.15. + var result = [month + 1, originalGetUTCDate(this), originalGetUTCHours(this), originalGetUTCMinutes(this), originalGetUTCSeconds(this)]; + year = ( + (year < 0 ? '-' : (year > 9999 ? '+' : '')) + + strSlice('00000' + Math.abs(year), (0 <= year && year <= 9999) ? -4 : -6) + ); + + for (var i = 0; i < result.length; ++i) { + // pad months, days, hours, minutes, and seconds to have two digits. + result[i] = strSlice('00' + result[i], -2); + } + // pad milliseconds to have three digits. + return ( + year + '-' + arraySlice(result, 0, 2).join('-') + + 'T' + arraySlice(result, 2).join(':') + '.' + + strSlice('000' + originalGetUTCMilliseconds(this), -3) + 'Z' + ); + } + }, hasNegativeDateBug || hasSafari51DateBug); + + // ES5 15.9.5.44 + // http://es5.github.com/#x15.9.5.44 + // This function provides a String representation of a Date object for use by + // JSON.stringify (15.12.3). + var dateToJSONIsSupported = (function () { + try { + return Date.prototype.toJSON && + new Date(NaN).toJSON() === null && + new Date(negativeDate).toJSON().indexOf(negativeYearString) !== -1 && + Date.prototype.toJSON.call({ // generic + toISOString: function () { return true; } + }); + } catch (e) { + return false; + } + }()); + if (!dateToJSONIsSupported) { + Date.prototype.toJSON = function toJSON(key) { + // When the toJSON method is called with argument key, the following + // steps are taken: + + // 1. Let O be the result of calling ToObject, giving it the this + // value as its argument. + // 2. Let tv be ES.ToPrimitive(O, hint Number). + var O = $Object(this); + var tv = ES.ToPrimitive(O); + // 3. If tv is a Number and is not finite, return null. + if (typeof tv === 'number' && !isFinite(tv)) { + return null; + } + // 4. Let toISO be the result of calling the [[Get]] internal method of + // O with argument "toISOString". + var toISO = O.toISOString; + // 5. If IsCallable(toISO) is false, throw a TypeError exception. + if (!isCallable(toISO)) { + throw new TypeError('toISOString property is not callable'); + } + // 6. Return the result of calling the [[Call]] internal method of + // toISO with O as the this value and an empty argument list. + return toISO.call(O); + + // NOTE 1 The argument is ignored. + + // NOTE 2 The toJSON function is intentionally generic; it does not + // require that its this value be a Date object. Therefore, it can be + // transferred to other kinds of objects for use as a method. However, + // it does require that any such object have a toISOString method. An + // object is free to use the argument key to filter its + // stringification. + }; + } + + // ES5 15.9.4.2 + // http://es5.github.com/#x15.9.4.2 + // based on work shared by Daniel Friesen (dantman) + // http://gist.github.com/303249 + var supportsExtendedYears = Date.parse('+033658-09-27T01:46:40.000Z') === 1e15; + var acceptsInvalidDates = !isNaN(Date.parse('2012-04-04T24:00:00.500Z')) || !isNaN(Date.parse('2012-11-31T23:59:59.000Z')) || !isNaN(Date.parse('2012-12-31T23:59:60.000Z')); + var doesNotParseY2KNewYear = isNaN(Date.parse('2000-01-01T00:00:00.000Z')); + if (doesNotParseY2KNewYear || acceptsInvalidDates || !supportsExtendedYears) { + // XXX global assignment won't work in embeddings that use + // an alternate object for the context. + /* global Date: true */ + /* eslint-disable no-undef */ + var maxSafeUnsigned32Bit = Math.pow(2, 31) - 1; + var hasSafariSignedIntBug = isActualNaN(new Date(1970, 0, 1, 0, 0, 0, maxSafeUnsigned32Bit + 1).getTime()); + /* eslint-disable no-implicit-globals */ + Date = (function (NativeDate) { + /* eslint-enable no-implicit-globals */ + /* eslint-enable no-undef */ + // Date.length === 7 + var DateShim = function Date(Y, M, D, h, m, s, ms) { + var length = arguments.length; + var date; + if (this instanceof NativeDate) { + var seconds = s; + var millis = ms; + if (hasSafariSignedIntBug && length >= 7 && ms > maxSafeUnsigned32Bit) { + // work around a Safari 8/9 bug where it treats the seconds as signed + var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit; + var sToShift = Math.floor(msToShift / 1e3); + seconds += sToShift; + millis -= sToShift * 1e3; + } + date = length === 1 && $String(Y) === Y ? // isString(Y) + // We explicitly pass it through parse: + new NativeDate(DateShim.parse(Y)) : + // We have to manually make calls depending on argument + // length here + length >= 7 ? new NativeDate(Y, M, D, h, m, seconds, millis) : + length >= 6 ? new NativeDate(Y, M, D, h, m, seconds) : + length >= 5 ? new NativeDate(Y, M, D, h, m) : + length >= 4 ? new NativeDate(Y, M, D, h) : + length >= 3 ? new NativeDate(Y, M, D) : + length >= 2 ? new NativeDate(Y, M) : + length >= 1 ? new NativeDate(Y instanceof NativeDate ? +Y : Y) : + new NativeDate(); + } else { + date = NativeDate.apply(this, arguments); + } + if (!isPrimitive(date)) { + // Prevent mixups with unfixed Date object + defineProperties(date, { constructor: DateShim }, true); + } + return date; + }; + + // 15.9.1.15 Date Time String Format. + var isoDateExpression = new RegExp('^' + + '(\\d{4}|[+-]\\d{6})' + // four-digit year capture or sign + + // 6-digit extended year + '(?:-(\\d{2})' + // optional month capture + '(?:-(\\d{2})' + // optional day capture + '(?:' + // capture hours:minutes:seconds.milliseconds + 'T(\\d{2})' + // hours capture + ':(\\d{2})' + // minutes capture + '(?:' + // optional :seconds.milliseconds + ':(\\d{2})' + // seconds capture + '(?:(\\.\\d{1,}))?' + // milliseconds capture + ')?' + + '(' + // capture UTC offset component + 'Z|' + // UTC capture + '(?:' + // offset specifier +/-hours:minutes + '([-+])' + // sign capture + '(\\d{2})' + // hours offset capture + ':(\\d{2})' + // minutes offset capture + ')' + + ')?)?)?)?' + + '$'); + + var months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365]; + + var dayFromMonth = function dayFromMonth(year, month) { + var t = month > 1 ? 1 : 0; + return ( + months[month] + + Math.floor((year - 1969 + t) / 4) - + Math.floor((year - 1901 + t) / 100) + + Math.floor((year - 1601 + t) / 400) + + 365 * (year - 1970) + ); + }; + + var toUTC = function toUTC(t) { + var s = 0; + var ms = t; + if (hasSafariSignedIntBug && ms > maxSafeUnsigned32Bit) { + // work around a Safari 8/9 bug where it treats the seconds as signed + var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit; + var sToShift = Math.floor(msToShift / 1e3); + s += sToShift; + ms -= sToShift * 1e3; + } + return $Number(new NativeDate(1970, 0, 1, 0, 0, s, ms)); + }; + + // Copy any custom methods a 3rd party library may have added + for (var key in NativeDate) { + if (owns(NativeDate, key)) { + DateShim[key] = NativeDate[key]; + } + } + + // Copy "native" methods explicitly; they may be non-enumerable + defineProperties(DateShim, { + now: NativeDate.now, + UTC: NativeDate.UTC + }, true); + DateShim.prototype = NativeDate.prototype; + defineProperties(DateShim.prototype, { + constructor: DateShim + }, true); + + // Upgrade Date.parse to handle simplified ISO 8601 strings + var parseShim = function parse(string) { + var match = isoDateExpression.exec(string); + if (match) { + // parse months, days, hours, minutes, seconds, and milliseconds + // provide default values if necessary + // parse the UTC offset component + var year = $Number(match[1]), + month = $Number(match[2] || 1) - 1, + day = $Number(match[3] || 1) - 1, + hour = $Number(match[4] || 0), + minute = $Number(match[5] || 0), + second = $Number(match[6] || 0), + millisecond = Math.floor($Number(match[7] || 0) * 1000), + // When time zone is missed, local offset should be used + // (ES 5.1 bug) + // see https://bugs.ecmascript.org/show_bug.cgi?id=112 + isLocalTime = Boolean(match[4] && !match[8]), + signOffset = match[9] === '-' ? 1 : -1, + hourOffset = $Number(match[10] || 0), + minuteOffset = $Number(match[11] || 0), + result; + var hasMinutesOrSecondsOrMilliseconds = minute > 0 || second > 0 || millisecond > 0; + if ( + hour < (hasMinutesOrSecondsOrMilliseconds ? 24 : 25) && + minute < 60 && second < 60 && millisecond < 1000 && + month > -1 && month < 12 && hourOffset < 24 && + minuteOffset < 60 && // detect invalid offsets + day > -1 && + day < (dayFromMonth(year, month + 1) - dayFromMonth(year, month)) + ) { + result = ( + (dayFromMonth(year, month) + day) * 24 + + hour + + hourOffset * signOffset + ) * 60; + result = ( + (result + minute + minuteOffset * signOffset) * 60 + + second + ) * 1000 + millisecond; + if (isLocalTime) { + result = toUTC(result); + } + if (-8.64e15 <= result && result <= 8.64e15) { + return result; + } + } + return NaN; + } + return NativeDate.parse.apply(this, arguments); + }; + defineProperties(DateShim, { parse: parseShim }); + + return DateShim; + }(Date)); + /* global Date: false */ + } + + // ES5 15.9.4.4 + // http://es5.github.com/#x15.9.4.4 + if (!Date.now) { + Date.now = function now() { + return new Date().getTime(); + }; + } + + // + // Number + // ====== + // + + // ES5.1 15.7.4.5 + // http://es5.github.com/#x15.7.4.5 + var hasToFixedBugs = NumberPrototype.toFixed && ( + (0.00008).toFixed(3) !== '0.000' || + (0.9).toFixed(0) !== '1' || + (1.255).toFixed(2) !== '1.25' || + (1000000000000000128).toFixed(0) !== '1000000000000000128' + ); + + var toFixedHelpers = { + base: 1e7, + size: 6, + data: [0, 0, 0, 0, 0, 0], + multiply: function multiply(n, c) { + var i = -1; + var c2 = c; + while (++i < toFixedHelpers.size) { + c2 += n * toFixedHelpers.data[i]; + toFixedHelpers.data[i] = c2 % toFixedHelpers.base; + c2 = Math.floor(c2 / toFixedHelpers.base); + } + }, + divide: function divide(n) { + var i = toFixedHelpers.size; + var c = 0; + while (--i >= 0) { + c += toFixedHelpers.data[i]; + toFixedHelpers.data[i] = Math.floor(c / n); + c = (c % n) * toFixedHelpers.base; + } + }, + numToString: function numToString() { + var i = toFixedHelpers.size; + var s = ''; + while (--i >= 0) { + if (s !== '' || i === 0 || toFixedHelpers.data[i] !== 0) { + var t = $String(toFixedHelpers.data[i]); + if (s === '') { + s = t; + } else { + s += strSlice('0000000', 0, 7 - t.length) + t; + } + } + } + return s; + }, + pow: function pow(x, n, acc) { + return (n === 0 ? acc : (n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc))); + }, + log: function log(x) { + var n = 0; + var x2 = x; + while (x2 >= 4096) { + n += 12; + x2 /= 4096; + } + while (x2 >= 2) { + n += 1; + x2 /= 2; + } + return n; + } + }; + + var toFixedShim = function toFixed(fractionDigits) { + var f, x, s, m, e, z, j, k; + + // Test for NaN and round fractionDigits down + f = $Number(fractionDigits); + f = isActualNaN(f) ? 0 : Math.floor(f); + + if (f < 0 || f > 20) { + throw new RangeError('Number.toFixed called with invalid number of decimals'); + } + + x = $Number(this); + + if (isActualNaN(x)) { + return 'NaN'; + } + + // If it is too big or small, return the string value of the number + if (x <= -1e21 || x >= 1e21) { + return $String(x); + } + + s = ''; + + if (x < 0) { + s = '-'; + x = -x; + } + + m = '0'; + + if (x > 1e-21) { + // 1e-21 < x < 1e21 + // -70 < log2(x) < 70 + e = toFixedHelpers.log(x * toFixedHelpers.pow(2, 69, 1)) - 69; + z = (e < 0 ? x * toFixedHelpers.pow(2, -e, 1) : x / toFixedHelpers.pow(2, e, 1)); + z *= 0x10000000000000; // Math.pow(2, 52); + e = 52 - e; + + // -18 < e < 122 + // x = z / 2 ^ e + if (e > 0) { + toFixedHelpers.multiply(0, z); + j = f; + + while (j >= 7) { + toFixedHelpers.multiply(1e7, 0); + j -= 7; + } + + toFixedHelpers.multiply(toFixedHelpers.pow(10, j, 1), 0); + j = e - 1; + + while (j >= 23) { + toFixedHelpers.divide(1 << 23); + j -= 23; + } + + toFixedHelpers.divide(1 << j); + toFixedHelpers.multiply(1, 1); + toFixedHelpers.divide(2); + m = toFixedHelpers.numToString(); + } else { + toFixedHelpers.multiply(0, z); + toFixedHelpers.multiply(1 << (-e), 0); + m = toFixedHelpers.numToString() + strSlice('0.00000000000000000000', 2, 2 + f); + } + } + + if (f > 0) { + k = m.length; + + if (k <= f) { + m = s + strSlice('0.0000000000000000000', 0, f - k + 2) + m; + } else { + m = s + strSlice(m, 0, k - f) + '.' + strSlice(m, k - f); + } + } else { + m = s + m; + } + + return m; + }; + defineProperties(NumberPrototype, { toFixed: toFixedShim }, hasToFixedBugs); + + var hasToPrecisionUndefinedBug = (function () { + try { + return 1.0.toPrecision(undefined) === '1'; + } catch (e) { + return true; + } + }()); + var originalToPrecision = NumberPrototype.toPrecision; + defineProperties(NumberPrototype, { + toPrecision: function toPrecision(precision) { + return typeof precision === 'undefined' ? originalToPrecision.call(this) : originalToPrecision.call(this, precision); + } + }, hasToPrecisionUndefinedBug); + + // + // String + // ====== + // + + // ES5 15.5.4.14 + // http://es5.github.com/#x15.5.4.14 + + // [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers] + // Many browsers do not split properly with regular expressions or they + // do not perform the split correctly under obscure conditions. + // See http://blog.stevenlevithan.com/archives/cross-browser-split + // I've tested in many browsers and this seems to cover the deviant ones: + // 'ab'.split(/(?:ab)*/) should be ["", ""], not [""] + // '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""] + // 'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not + // [undefined, "t", undefined, "e", ...] + // ''.split(/.?/) should be [], not [""] + // '.'.split(/()()/) should be ["."], not ["", "", "."] + + if ( + 'ab'.split(/(?:ab)*/).length !== 2 || + '.'.split(/(.?)(.?)/).length !== 4 || + 'tesst'.split(/(s)*/)[1] === 't' || + 'test'.split(/(?:)/, -1).length !== 4 || + ''.split(/.?/).length || + '.'.split(/()()/).length > 1 + ) { + (function () { + var compliantExecNpcg = typeof (/()??/).exec('')[1] === 'undefined'; // NPCG: nonparticipating capturing group + var maxSafe32BitInt = Math.pow(2, 32) - 1; + + StringPrototype.split = function (separator, limit) { + var string = String(this); + if (typeof separator === 'undefined' && limit === 0) { + return []; + } + + // If `separator` is not a regex, use native split + if (!isRegex(separator)) { + return strSplit(this, separator, limit); + } + + var output = []; + var flags = (separator.ignoreCase ? 'i' : '') + + (separator.multiline ? 'm' : '') + + (separator.unicode ? 'u' : '') + // in ES6 + (separator.sticky ? 'y' : ''), // Firefox 3+ and ES6 + lastLastIndex = 0, + // Make `global` and avoid `lastIndex` issues by working with a copy + separator2, match, lastIndex, lastLength; + var separatorCopy = new RegExp(separator.source, flags + 'g'); + if (!compliantExecNpcg) { + // Doesn't need flags gy, but they don't hurt + separator2 = new RegExp('^' + separatorCopy.source + '$(?!\\s)', flags); + } + /* Values for `limit`, per the spec: + * If undefined: 4294967295 // maxSafe32BitInt + * If 0, Infinity, or NaN: 0 + * If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296; + * If negative number: 4294967296 - Math.floor(Math.abs(limit)) + * If other: Type-convert, then use the above rules + */ + var splitLimit = typeof limit === 'undefined' ? maxSafe32BitInt : ES.ToUint32(limit); + match = separatorCopy.exec(string); + while (match) { + // `separatorCopy.lastIndex` is not reliable cross-browser + lastIndex = match.index + match[0].length; + if (lastIndex > lastLastIndex) { + pushCall(output, strSlice(string, lastLastIndex, match.index)); + // Fix browsers whose `exec` methods don't consistently return `undefined` for + // nonparticipating capturing groups + if (!compliantExecNpcg && match.length > 1) { + /* eslint-disable no-loop-func */ + match[0].replace(separator2, function () { + for (var i = 1; i < arguments.length - 2; i++) { + if (typeof arguments[i] === 'undefined') { + match[i] = void 0; + } + } + }); + /* eslint-enable no-loop-func */ + } + if (match.length > 1 && match.index < string.length) { + array_push.apply(output, arraySlice(match, 1)); + } + lastLength = match[0].length; + lastLastIndex = lastIndex; + if (output.length >= splitLimit) { + break; + } + } + if (separatorCopy.lastIndex === match.index) { + separatorCopy.lastIndex++; // Avoid an infinite loop + } + match = separatorCopy.exec(string); + } + if (lastLastIndex === string.length) { + if (lastLength || !separatorCopy.test('')) { + pushCall(output, ''); + } + } else { + pushCall(output, strSlice(string, lastLastIndex)); + } + return output.length > splitLimit ? arraySlice(output, 0, splitLimit) : output; + }; + }()); + + // [bugfix, chrome] + // If separator is undefined, then the result array contains just one String, + // which is the this value (converted to a String). If limit is not undefined, + // then the output array is truncated so that it contains no more than limit + // elements. + // "0".split(undefined, 0) -> [] + } else if ('0'.split(void 0, 0).length) { + StringPrototype.split = function split(separator, limit) { + if (typeof separator === 'undefined' && limit === 0) { + return []; + } + return strSplit(this, separator, limit); + }; + } + + var str_replace = StringPrototype.replace; + var replaceReportsGroupsCorrectly = (function () { + var groups = []; + 'x'.replace(/x(.)?/g, function (match, group) { + pushCall(groups, group); + }); + return groups.length === 1 && typeof groups[0] === 'undefined'; + }()); + + if (!replaceReportsGroupsCorrectly) { + StringPrototype.replace = function replace(searchValue, replaceValue) { + var isFn = isCallable(replaceValue); + var hasCapturingGroups = isRegex(searchValue) && (/\)[*?]/).test(searchValue.source); + if (!isFn || !hasCapturingGroups) { + return str_replace.call(this, searchValue, replaceValue); + } else { + var wrappedReplaceValue = function (match) { + var length = arguments.length; + var originalLastIndex = searchValue.lastIndex; + searchValue.lastIndex = 0; + var args = searchValue.exec(match) || []; + searchValue.lastIndex = originalLastIndex; + pushCall(args, arguments[length - 2], arguments[length - 1]); + return replaceValue.apply(this, args); + }; + return str_replace.call(this, searchValue, wrappedReplaceValue); + } + }; + } + + // ECMA-262, 3rd B.2.3 + // Not an ECMAScript standard, although ECMAScript 3rd Edition has a + // non-normative section suggesting uniform semantics and it should be + // normalized across all browsers + // [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE + var string_substr = StringPrototype.substr; + var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b'; + defineProperties(StringPrototype, { + substr: function substr(start, length) { + var normalizedStart = start; + if (start < 0) { + normalizedStart = max(this.length + start, 0); + } + return string_substr.call(this, normalizedStart, length); + } + }, hasNegativeSubstrBug); + + // ES5 15.5.4.20 + // whitespace from: http://es5.github.io/#x15.5.4.20 + var ws = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003' + + '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028' + + '\u2029\uFEFF'; + var zeroWidth = '\u200b'; + var wsRegexChars = '[' + ws + ']'; + var trimBeginRegexp = new RegExp('^' + wsRegexChars + wsRegexChars + '*'); + var trimEndRegexp = new RegExp(wsRegexChars + wsRegexChars + '*$'); + var hasTrimWhitespaceBug = StringPrototype.trim && (ws.trim() || !zeroWidth.trim()); + defineProperties(StringPrototype, { + // http://blog.stevenlevithan.com/archives/faster-trim-javascript + // http://perfectionkills.com/whitespace-deviations/ + trim: function trim() { + if (typeof this === 'undefined' || this === null) { + throw new TypeError("can't convert " + this + ' to object'); + } + return $String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, ''); + } + }, hasTrimWhitespaceBug); + var trim = call.bind(String.prototype.trim); + + var hasLastIndexBug = StringPrototype.lastIndexOf && 'abcあい'.lastIndexOf('あい', 2) !== -1; + defineProperties(StringPrototype, { + lastIndexOf: function lastIndexOf(searchString) { + if (typeof this === 'undefined' || this === null) { + throw new TypeError("can't convert " + this + ' to object'); + } + var S = $String(this); + var searchStr = $String(searchString); + var numPos = arguments.length > 1 ? $Number(arguments[1]) : NaN; + var pos = isActualNaN(numPos) ? Infinity : ES.ToInteger(numPos); + var start = min(max(pos, 0), S.length); + var searchLen = searchStr.length; + var k = start + searchLen; + while (k > 0) { + k = max(0, k - searchLen); + var index = strIndexOf(strSlice(S, k, start + searchLen), searchStr); + if (index !== -1) { + return k + index; + } + } + return -1; + } + }, hasLastIndexBug); + + var originalLastIndexOf = StringPrototype.lastIndexOf; + defineProperties(StringPrototype, { + lastIndexOf: function lastIndexOf(searchString) { + return originalLastIndexOf.apply(this, arguments); + } + }, StringPrototype.lastIndexOf.length !== 1); + + // ES-5 15.1.2.2 + /* eslint-disable radix */ + if (parseInt(ws + '08') !== 8 || parseInt(ws + '0x16') !== 22) { + /* eslint-enable radix */ + /* global parseInt: true */ + parseInt = (function (origParseInt) { + var hexRegex = /^[\-+]?0[xX]/; + return function parseInt(str, radix) { + var string = trim(String(str)); + var defaultedRadix = $Number(radix) || (hexRegex.test(string) ? 16 : 10); + return origParseInt(string, defaultedRadix); + }; + }(parseInt)); + } + + // https://es5.github.io/#x15.1.2.3 + if (1 / parseFloat('-0') !== -Infinity) { + /* global parseFloat: true */ + parseFloat = (function (origParseFloat) { + return function parseFloat(string) { + var inputString = trim(String(string)); + var result = origParseFloat(inputString); + return result === 0 && strSlice(inputString, 0, 1) === '-' ? -0 : result; + }; + }(parseFloat)); + } + + if (String(new RangeError('test')) !== 'RangeError: test') { + var errorToStringShim = function toString() { + if (typeof this === 'undefined' || this === null) { + throw new TypeError("can't convert " + this + ' to object'); + } + var name = this.name; + if (typeof name === 'undefined') { + name = 'Error'; + } else if (typeof name !== 'string') { + name = $String(name); + } + var msg = this.message; + if (typeof msg === 'undefined') { + msg = ''; + } else if (typeof msg !== 'string') { + msg = $String(msg); + } + if (!name) { + return msg; + } + if (!msg) { + return name; + } + return name + ': ' + msg; + }; + // can't use defineProperties here because of toString enumeration issue in IE <= 8 + Error.prototype.toString = errorToStringShim; + } + + if (supportsDescriptors) { + var ensureNonEnumerable = function (obj, prop) { + if (isEnum(obj, prop)) { + var desc = Object.getOwnPropertyDescriptor(obj, prop); + if (desc.configurable) { + desc.enumerable = false; + Object.defineProperty(obj, prop, desc); + } + } + }; + ensureNonEnumerable(Error.prototype, 'message'); + if (Error.prototype.message !== '') { + Error.prototype.message = ''; + } + ensureNonEnumerable(Error.prototype, 'name'); + } + + if (String(/a/mig) !== '/a/gim') { + var regexToString = function toString() { + var str = '/' + this.source + '/'; + if (this.global) { + str += 'g'; + } + if (this.ignoreCase) { + str += 'i'; + } + if (this.multiline) { + str += 'm'; + } + return str; + }; + // can't use defineProperties here because of toString enumeration issue in IE <= 8 + RegExp.prototype.toString = regexToString; + } +})); +/*! + * https://github.com/es-shims/es5-shim + * @license es5-shim Copyright 2009-2015 by contributors, MIT License + * see https://github.com/es-shims/es5-shim/blob/master/LICENSE + */ + +// vim: ts=4 sts=4 sw=4 expandtab + +// Add semicolon to prevent IIFE from being passed as argument to concatenated code. +; + +// UMD (Universal Module Definition) +// see https://github.com/umdjs/umd/blob/master/templates/returnExports.js +(function (root, factory) { + 'use strict'; + + /* global define, exports, module */ + if (typeof define === 'function' && define.amd) { + // AMD. Register as an anonymous module. + define(factory); + } else if (typeof exports === 'object') { + // Node. Does not work with strict CommonJS, but + // only CommonJS-like enviroments that support module.exports, + // like Node. + module.exports = factory(); + } else { + // Browser globals (root is window) + root.returnExports = factory(); + } +}(this, function () { + + var call = Function.call; + var prototypeOfObject = Object.prototype; + var owns = call.bind(prototypeOfObject.hasOwnProperty); + var isEnumerable = call.bind(prototypeOfObject.propertyIsEnumerable); + var toStr = call.bind(prototypeOfObject.toString); + + // If JS engine supports accessors creating shortcuts. + var defineGetter; + var defineSetter; + var lookupGetter; + var lookupSetter; + var supportsAccessors = owns(prototypeOfObject, '__defineGetter__'); + if (supportsAccessors) { + /* eslint-disable no-underscore-dangle */ + defineGetter = call.bind(prototypeOfObject.__defineGetter__); + defineSetter = call.bind(prototypeOfObject.__defineSetter__); + lookupGetter = call.bind(prototypeOfObject.__lookupGetter__); + lookupSetter = call.bind(prototypeOfObject.__lookupSetter__); + /* eslint-enable no-underscore-dangle */ + } + + var isPrimitive = function isPrimitive(o) { + return o == null || (typeof o !== 'object' && typeof o !== 'function'); + }; + + // ES5 15.2.3.2 + // http://es5.github.com/#x15.2.3.2 + if (!Object.getPrototypeOf) { + // https://github.com/es-shims/es5-shim/issues#issue/2 + // http://ejohn.org/blog/objectgetprototypeof/ + // recommended by fschaefer on github + // + // sure, and webreflection says ^_^ + // ... this will nerever possibly return null + // ... Opera Mini breaks here with infinite loops + Object.getPrototypeOf = function getPrototypeOf(object) { + /* eslint-disable no-proto */ + var proto = object.__proto__; + /* eslint-enable no-proto */ + if (proto || proto === null) { + return proto; + } else if (toStr(object.constructor) === '[object Function]') { + return object.constructor.prototype; + } else if (object instanceof Object) { + return prototypeOfObject; + } else { + // Correctly return null for Objects created with `Object.create(null)` + // (shammed or native) or `{ __proto__: null}`. Also returns null for + // cross-realm objects on browsers that lack `__proto__` support (like + // IE <11), but that's the best we can do. + return null; + } + }; + } + + // ES5 15.2.3.3 + // http://es5.github.com/#x15.2.3.3 + + var doesGetOwnPropertyDescriptorWork = function doesGetOwnPropertyDescriptorWork(object) { + try { + object.sentinel = 0; + return Object.getOwnPropertyDescriptor(object, 'sentinel').value === 0; + } catch (exception) { + return false; + } + }; + + // check whether getOwnPropertyDescriptor works if it's given. Otherwise, shim partially. + if (Object.defineProperty) { + var getOwnPropertyDescriptorWorksOnObject = doesGetOwnPropertyDescriptorWork({}); + var getOwnPropertyDescriptorWorksOnDom = typeof document === 'undefined' || + doesGetOwnPropertyDescriptorWork(document.createElement('div')); + if (!getOwnPropertyDescriptorWorksOnDom || !getOwnPropertyDescriptorWorksOnObject) { + var getOwnPropertyDescriptorFallback = Object.getOwnPropertyDescriptor; + } + } + + if (!Object.getOwnPropertyDescriptor || getOwnPropertyDescriptorFallback) { + var ERR_NON_OBJECT = 'Object.getOwnPropertyDescriptor called on a non-object: '; + + /* eslint-disable no-proto */ + Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) { + if (isPrimitive(object)) { + throw new TypeError(ERR_NON_OBJECT + object); + } + + // make a valiant attempt to use the real getOwnPropertyDescriptor + // for I8's DOM elements. + if (getOwnPropertyDescriptorFallback) { + try { + return getOwnPropertyDescriptorFallback.call(Object, object, property); + } catch (exception) { + // try the shim if the real one doesn't work + } + } + + var descriptor; + + // If object does not owns property return undefined immediately. + if (!owns(object, property)) { + return descriptor; + } + + // If object has a property then it's for sure `configurable`, and + // probably `enumerable`. Detect enumerability though. + descriptor = { + enumerable: isEnumerable(object, property), + configurable: true + }; + + // If JS engine supports accessor properties then property may be a + // getter or setter. + if (supportsAccessors) { + // Unfortunately `__lookupGetter__` will return a getter even + // if object has own non getter property along with a same named + // inherited getter. To avoid misbehavior we temporary remove + // `__proto__` so that `__lookupGetter__` will return getter only + // if it's owned by an object. + var prototype = object.__proto__; + var notPrototypeOfObject = object !== prototypeOfObject; + // avoid recursion problem, breaking in Opera Mini when + // Object.getOwnPropertyDescriptor(Object.prototype, 'toString') + // or any other Object.prototype accessor + if (notPrototypeOfObject) { + object.__proto__ = prototypeOfObject; + } + + var getter = lookupGetter(object, property); + var setter = lookupSetter(object, property); + + if (notPrototypeOfObject) { + // Once we have getter and setter we can put values back. + object.__proto__ = prototype; + } + + if (getter || setter) { + if (getter) { + descriptor.get = getter; + } + if (setter) { + descriptor.set = setter; + } + // If it was accessor property we're done and return here + // in order to avoid adding `value` to the descriptor. + return descriptor; + } + } + + // If we got this far we know that object has an own property that is + // not an accessor so we set it as a value and return descriptor. + descriptor.value = object[property]; + descriptor.writable = true; + return descriptor; + }; + /* eslint-enable no-proto */ + } + + // ES5 15.2.3.4 + // http://es5.github.com/#x15.2.3.4 + if (!Object.getOwnPropertyNames) { + Object.getOwnPropertyNames = function getOwnPropertyNames(object) { + return Object.keys(object); + }; + } + + // ES5 15.2.3.5 + // http://es5.github.com/#x15.2.3.5 + if (!Object.create) { + + // Contributed by Brandon Benvie, October, 2012 + var createEmpty; + var supportsProto = !({ __proto__: null } instanceof Object); + // the following produces false positives + // in Opera Mini => not a reliable check + // Object.prototype.__proto__ === null + + // Check for document.domain and active x support + // No need to use active x approach when document.domain is not set + // see https://github.com/es-shims/es5-shim/issues/150 + // variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346 + /* global ActiveXObject */ + var shouldUseActiveX = function shouldUseActiveX() { + // return early if document.domain not set + if (!document.domain) { + return false; + } + + try { + return !!new ActiveXObject('htmlfile'); + } catch (exception) { + return false; + } + }; + + // This supports IE8 when document.domain is used + // see https://github.com/es-shims/es5-shim/issues/150 + // variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346 + var getEmptyViaActiveX = function getEmptyViaActiveX() { + var empty; + var xDoc; + + xDoc = new ActiveXObject('htmlfile'); + + var script = 'script'; + xDoc.write('<' + script + '>'); + xDoc.close(); + + empty = xDoc.parentWindow.Object.prototype; + xDoc = null; + + return empty; + }; + + // The original implementation using an iframe + // before the activex approach was added + // see https://github.com/es-shims/es5-shim/issues/150 + var getEmptyViaIFrame = function getEmptyViaIFrame() { + var iframe = document.createElement('iframe'); + var parent = document.body || document.documentElement; + var empty; + + iframe.style.display = 'none'; + parent.appendChild(iframe); + /* eslint-disable no-script-url */ + iframe.src = 'javascript:'; + /* eslint-enable no-script-url */ + + empty = iframe.contentWindow.Object.prototype; + parent.removeChild(iframe); + iframe = null; + + return empty; + }; + + /* global document */ + if (supportsProto || typeof document === 'undefined') { + createEmpty = function () { + return { __proto__: null }; + }; + } else { + // In old IE __proto__ can't be used to manually set `null`, nor does + // any other method exist to make an object that inherits from nothing, + // aside from Object.prototype itself. Instead, create a new global + // object and *steal* its Object.prototype and strip it bare. This is + // used as the prototype to create nullary objects. + createEmpty = function () { + // Determine which approach to use + // see https://github.com/es-shims/es5-shim/issues/150 + var empty = shouldUseActiveX() ? getEmptyViaActiveX() : getEmptyViaIFrame(); + + delete empty.constructor; + delete empty.hasOwnProperty; + delete empty.propertyIsEnumerable; + delete empty.isPrototypeOf; + delete empty.toLocaleString; + delete empty.toString; + delete empty.valueOf; + + var Empty = function Empty() {}; + Empty.prototype = empty; + // short-circuit future calls + createEmpty = function () { + return new Empty(); + }; + return new Empty(); + }; + } + + Object.create = function create(prototype, properties) { + + var object; + var Type = function Type() {}; // An empty constructor. + + if (prototype === null) { + object = createEmpty(); + } else { + if (prototype !== null && isPrimitive(prototype)) { + // In the native implementation `parent` can be `null` + // OR *any* `instanceof Object` (Object|Function|Array|RegExp|etc) + // Use `typeof` tho, b/c in old IE, DOM elements are not `instanceof Object` + // like they are in modern browsers. Using `Object.create` on DOM elements + // is...err...probably inappropriate, but the native version allows for it. + throw new TypeError('Object prototype may only be an Object or null'); // same msg as Chrome + } + Type.prototype = prototype; + object = new Type(); + // IE has no built-in implementation of `Object.getPrototypeOf` + // neither `__proto__`, but this manually setting `__proto__` will + // guarantee that `Object.getPrototypeOf` will work as expected with + // objects created using `Object.create` + /* eslint-disable no-proto */ + object.__proto__ = prototype; + /* eslint-enable no-proto */ + } + + if (properties !== void 0) { + Object.defineProperties(object, properties); + } + + return object; + }; + } + + // ES5 15.2.3.6 + // http://es5.github.com/#x15.2.3.6 + + // Patch for WebKit and IE8 standard mode + // Designed by hax + // related issue: https://github.com/es-shims/es5-shim/issues#issue/5 + // IE8 Reference: + // http://msdn.microsoft.com/en-us/library/dd282900.aspx + // http://msdn.microsoft.com/en-us/library/dd229916.aspx + // WebKit Bugs: + // https://bugs.webkit.org/show_bug.cgi?id=36423 + + var doesDefinePropertyWork = function doesDefinePropertyWork(object) { + try { + Object.defineProperty(object, 'sentinel', {}); + return 'sentinel' in object; + } catch (exception) { + return false; + } + }; + + // check whether defineProperty works if it's given. Otherwise, + // shim partially. + if (Object.defineProperty) { + var definePropertyWorksOnObject = doesDefinePropertyWork({}); + var definePropertyWorksOnDom = typeof document === 'undefined' || + doesDefinePropertyWork(document.createElement('div')); + if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) { + var definePropertyFallback = Object.defineProperty, + definePropertiesFallback = Object.defineProperties; + } + } + + if (!Object.defineProperty || definePropertyFallback) { + var ERR_NON_OBJECT_DESCRIPTOR = 'Property description must be an object: '; + var ERR_NON_OBJECT_TARGET = 'Object.defineProperty called on non-object: '; + var ERR_ACCESSORS_NOT_SUPPORTED = 'getters & setters can not be defined on this javascript engine'; + + Object.defineProperty = function defineProperty(object, property, descriptor) { + if (isPrimitive(object)) { + throw new TypeError(ERR_NON_OBJECT_TARGET + object); + } + if (isPrimitive(descriptor)) { + throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor); + } + // make a valiant attempt to use the real defineProperty + // for I8's DOM elements. + if (definePropertyFallback) { + try { + return definePropertyFallback.call(Object, object, property, descriptor); + } catch (exception) { + // try the shim if the real one doesn't work + } + } + + // If it's a data property. + if ('value' in descriptor) { + // fail silently if 'writable', 'enumerable', or 'configurable' + // are requested but not supported + /* + // alternate approach: + if ( // can't implement these features; allow false but not true + ('writable' in descriptor && !descriptor.writable) || + ('enumerable' in descriptor && !descriptor.enumerable) || + ('configurable' in descriptor && !descriptor.configurable) + )) + throw new RangeError( + 'This implementation of Object.defineProperty does not support configurable, enumerable, or writable.' + ); + */ + + if (supportsAccessors && (lookupGetter(object, property) || lookupSetter(object, property))) { + // As accessors are supported only on engines implementing + // `__proto__` we can safely override `__proto__` while defining + // a property to make sure that we don't hit an inherited + // accessor. + /* eslint-disable no-proto */ + var prototype = object.__proto__; + object.__proto__ = prototypeOfObject; + // Deleting a property anyway since getter / setter may be + // defined on object itself. + delete object[property]; + object[property] = descriptor.value; + // Setting original `__proto__` back now. + object.__proto__ = prototype; + /* eslint-enable no-proto */ + } else { + object[property] = descriptor.value; + } + } else { + var hasGetter = 'get' in descriptor; + var hasSetter = 'set' in descriptor; + if (!supportsAccessors && (hasGetter || hasSetter)) { + throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED); + } + // If we got that far then getters and setters can be defined !! + if (hasGetter) { + defineGetter(object, property, descriptor.get); + } + if (hasSetter) { + defineSetter(object, property, descriptor.set); + } + } + return object; + }; + } + + // ES5 15.2.3.7 + // http://es5.github.com/#x15.2.3.7 + if (!Object.defineProperties || definePropertiesFallback) { + Object.defineProperties = function defineProperties(object, properties) { + // make a valiant attempt to use the real defineProperties + if (definePropertiesFallback) { + try { + return definePropertiesFallback.call(Object, object, properties); + } catch (exception) { + // try the shim if the real one doesn't work + } + } + + Object.keys(properties).forEach(function (property) { + if (property !== '__proto__') { + Object.defineProperty(object, property, properties[property]); + } + }); + return object; + }; + } + + // ES5 15.2.3.8 + // http://es5.github.com/#x15.2.3.8 + if (!Object.seal) { + Object.seal = function seal(object) { + if (Object(object) !== object) { + throw new TypeError('Object.seal can only be called on Objects.'); + } + // this is misleading and breaks feature-detection, but + // allows "securable" code to "gracefully" degrade to working + // but insecure code. + return object; + }; + } + + // ES5 15.2.3.9 + // http://es5.github.com/#x15.2.3.9 + if (!Object.freeze) { + Object.freeze = function freeze(object) { + if (Object(object) !== object) { + throw new TypeError('Object.freeze can only be called on Objects.'); + } + // this is misleading and breaks feature-detection, but + // allows "securable" code to "gracefully" degrade to working + // but insecure code. + return object; + }; + } + + // detect a Rhino bug and patch it + try { + Object.freeze(function () {}); + } catch (exception) { + Object.freeze = (function (freezeObject) { + return function freeze(object) { + if (typeof object === 'function') { + return object; + } else { + return freezeObject(object); + } + }; + }(Object.freeze)); + } + + // ES5 15.2.3.10 + // http://es5.github.com/#x15.2.3.10 + if (!Object.preventExtensions) { + Object.preventExtensions = function preventExtensions(object) { + if (Object(object) !== object) { + throw new TypeError('Object.preventExtensions can only be called on Objects.'); + } + // this is misleading and breaks feature-detection, but + // allows "securable" code to "gracefully" degrade to working + // but insecure code. + return object; + }; + } + + // ES5 15.2.3.11 + // http://es5.github.com/#x15.2.3.11 + if (!Object.isSealed) { + Object.isSealed = function isSealed(object) { + if (Object(object) !== object) { + throw new TypeError('Object.isSealed can only be called on Objects.'); + } + return false; + }; + } + + // ES5 15.2.3.12 + // http://es5.github.com/#x15.2.3.12 + if (!Object.isFrozen) { + Object.isFrozen = function isFrozen(object) { + if (Object(object) !== object) { + throw new TypeError('Object.isFrozen can only be called on Objects.'); + } + return false; + }; + } + + // ES5 15.2.3.13 + // http://es5.github.com/#x15.2.3.13 + if (!Object.isExtensible) { + Object.isExtensible = function isExtensible(object) { + // 1. 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onPageLoad } from "meteor/server-render"; +import { + doNotNeedShim, + makeScript, +} from "meteor/shim-common"; const sockjsVersion = "0.3.4"; -const scriptPath = - "/packages/sockjs-shim/sockjs-" + - sockjsVersion + - (Meteor.isProduction ? ".min.js" : ".js"); - -const hasOwn = Object.prototype.hasOwnProperty; const minimumMajorVersions = { chrome: 16, firefox: 11, @@ -16,21 +14,12 @@ const minimumMajorVersions = { }; onPageLoad(sink => { - const { - browser, - url, - } = sink.request; - - const query = url && url.query; - const forceSockJs = query && query.force_sockjs; - if (! forceSockJs && - browser && - hasOwn.call(minimumMajorVersions, browser.name) && - browser.major >= minimumMajorVersions[browser.name]) { + if (doNotNeedShim(sink.request, + minimumMajorVersions, + "force_sockjs")) { return; } - sink.appendToHead( - '' + makeScript("sockjs-shim/sockjs-" + sockjsVersion) ); });