atd-browser-support
Version:
Browser support module for web development
1,454 lines (1,281 loc) • 339 kB
JavaScript
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/******/ function getModuleExports() { return module; };
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/* 0 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
__webpack_require__(1);
__webpack_require__(2);
__webpack_require__(3);
__webpack_require__(4);
__webpack_require__(5);
/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var _typeof2 = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
/******/(function (modules) {
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return module['default'];
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return Object.prototype.hasOwnProperty.call(object, property);
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/* 0 */
/***/function (module, exports, __webpack_require__) {
"use strict";
var implementation = __webpack_require__(20);
module.exports = Function.prototype.bind || implementation;
/***/
},
/* 1 */
/***/function (module, exports, __webpack_require__) {
"use strict";
module.exports = function requirePromise() {
if (typeof Promise !== 'function') {
throw new TypeError('`Promise.prototype.finally` requires a global `Promise` be available.');
}
};
/***/
},
/* 2 */
/***/function (module, exports, __webpack_require__) {
"use strict";
var bind = __webpack_require__(0);
module.exports = bind.call(Function.call, Object.prototype.hasOwnProperty);
/***/
},
/* 3 */
/***/function (module, exports, __webpack_require__) {
"use strict";
var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) {
return typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
};
var fnToStr = Function.prototype.toString;
var constructorRegex = /^\s*class /;
var 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
}
};
var tryFunctionObject = function tryFunctionObject(value) {
try {
if (isES6ClassFn(value)) {
return false;
}
fnToStr.call(value);
return true;
} catch (e) {
return false;
}
};
var toStr = Object.prototype.toString;
var fnClass = '[object Function]';
var genClass = '[object GeneratorFunction]';
var hasToStringTag = typeof Symbol === 'function' && _typeof(Symbol.toStringTag) === 'symbol';
module.exports = function isCallable(value) {
if (!value) {
return false;
}
if (typeof value !== 'function' && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) !== 'object') {
return false;
}
if (hasToStringTag) {
return tryFunctionObject(value);
}
if (isES6ClassFn(value)) {
return false;
}
var strClass = toStr.call(value);
return strClass === fnClass || strClass === genClass;
};
/***/
},
/* 4 */
/***/function (module, exports, __webpack_require__) {
"use strict";
var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) {
return typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
};
var keys = __webpack_require__(21);
var foreach = __webpack_require__(23);
var hasSymbols = typeof Symbol === 'function' && _typeof(Symbol()) === 'symbol';
var toStr = Object.prototype.toString;
var isFunction = function isFunction(fn) {
return typeof fn === 'function' && toStr.call(fn) === '[object Function]';
};
var arePropertyDescriptorsSupported = function arePropertyDescriptorsSupported() {
var obj = {};
try {
Object.defineProperty(obj, 'x', { enumerable: false, value: obj });
/* eslint-disable no-unused-vars, no-restricted-syntax */
for (var _ in obj) {
return false;
}
/* eslint-enable no-unused-vars, no-restricted-syntax */
return obj.x === obj;
} catch (e) {
/* this is IE 8. */
return false;
}
};
var supportsDescriptors = Object.defineProperty && arePropertyDescriptorsSupported();
var defineProperty = function defineProperty(object, name, value, predicate) {
if (name in object && (!isFunction(predicate) || !predicate())) {
return;
}
if (supportsDescriptors) {
Object.defineProperty(object, name, {
configurable: true,
enumerable: false,
value: value,
writable: true
});
} else {
object[name] = value;
}
};
var defineProperties = function defineProperties(object, map) {
var predicates = arguments.length > 2 ? arguments[2] : {};
var props = keys(map);
if (hasSymbols) {
props = props.concat(Object.getOwnPropertySymbols(map));
}
foreach(props, function (name) {
defineProperty(object, name, map[name], predicates[name]);
});
};
defineProperties.supportsDescriptors = !!supportsDescriptors;
module.exports = defineProperties;
/***/
},
/* 5 */
/***/function (module, exports, __webpack_require__) {
"use strict";
var requirePromise = __webpack_require__(1);
requirePromise();
var ES = __webpack_require__(24);
var bind = __webpack_require__(0);
var promiseResolve = function PromiseResolve(C, value) {
return new C(function (resolve) {
resolve(value);
});
};
var OriginalPromise = Promise;
var createThenFinally = function CreateThenFinally(C, onFinally) {
return function (value) {
var result = onFinally();
var promise = promiseResolve(C, result);
var valueThunk = function valueThunk() {
return value;
};
return promise.then(valueThunk);
};
};
var createCatchFinally = function CreateCatchFinally(C, onFinally) {
return function (reason) {
var result = onFinally();
var promise = promiseResolve(C, result);
var thrower = function thrower() {
throw reason;
};
return promise.then(thrower);
};
};
var then = bind.call(Function.call, OriginalPromise.prototype.then);
var promiseFinally = function finally_(onFinally) {
/* eslint no-invalid-this: 0 */
var promise = this;
then(promise, null, function () {}); // throw if IsPromise(this) is false; catch() to avoid unhandled rejection warnings
var C = ES.SpeciesConstructor(promise, OriginalPromise); // may throw
var thenFinally = onFinally;
var catchFinally = onFinally;
if (ES.IsCallable(onFinally)) {
thenFinally = createThenFinally(C, onFinally);
catchFinally = createCatchFinally(C, onFinally);
}
return promise.then(thenFinally, catchFinally);
};
if (Object.getOwnPropertyDescriptor) {
var descriptor = Object.getOwnPropertyDescriptor(promiseFinally, 'name');
if (descriptor && descriptor.configurable) {
Object.defineProperty(promiseFinally, 'name', { configurable: true, value: 'finally' });
}
}
module.exports = promiseFinally;
/***/
},
/* 6 */
/***/function (module, exports, __webpack_require__) {
"use strict";
var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) {
return typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
};
module.exports = function isPrimitive(value) {
return value === null || typeof value !== 'function' && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) !== 'object';
};
/***/
},
/* 7 */
/***/function (module, exports, __webpack_require__) {
"use strict";
module.exports = Number.isNaN || function isNaN(a) {
return a !== a;
};
/***/
},
/* 8 */
/***/function (module, exports, __webpack_require__) {
"use strict";
var $isNaN = Number.isNaN || function (a) {
return a !== a;
};
module.exports = Number.isFinite || function (x) {
return typeof x === 'number' && !$isNaN(x) && x !== Infinity && x !== -Infinity;
};
/***/
},
/* 9 */
/***/function (module, exports, __webpack_require__) {
"use strict";
var has = Object.prototype.hasOwnProperty;
module.exports = function assign(target, source) {
if (Object.assign) {
return Object.assign(target, source);
}
for (var key in source) {
if (has.call(source, key)) {
target[key] = source[key];
}
}
return target;
};
/***/
},
/* 10 */
/***/function (module, exports, __webpack_require__) {
"use strict";
module.exports = function sign(number) {
return number >= 0 ? 1 : -1;
};
/***/
},
/* 11 */
/***/function (module, exports, __webpack_require__) {
"use strict";
module.exports = function mod(number, modulo) {
var remain = number % modulo;
return Math.floor(remain >= 0 ? remain : remain + modulo);
};
/***/
},
/* 12 */
/***/function (module, exports, __webpack_require__) {
"use strict";
var requirePromise = __webpack_require__(1);
var implementation = __webpack_require__(5);
module.exports = function getPolyfill() {
requirePromise();
return typeof Promise.prototype['finally'] === 'function' ? Promise.prototype['finally'] : implementation;
};
/***/
},
/* 13 */
/***/function (module, exports, __webpack_require__) {
"use strict";
__webpack_require__(14);
__webpack_require__(15);
__webpack_require__(18);
var _promisePrototype = __webpack_require__(19);
var _promisePrototype2 = _interopRequireDefault(_promisePrototype);
__webpack_require__(35);
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : { default: obj };
}
_promisePrototype2.default.shim();
/***/
},
/* 14 */
/***/function (module, exports, __webpack_require__) {
"use strict";
// Polyfill for creating CustomEvents on IE9/10/11
// code pulled from:
// https://github.com/d4tocchini/customevent-polyfill
// https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent#Polyfill
try {
var ce = new window.CustomEvent('test');
ce.preventDefault();
if (ce.defaultPrevented !== true) {
// IE has problems with .preventDefault() on custom events
// http://stackoverflow.com/questions/23349191
throw new Error('Could not prevent default');
}
} catch (e) {
var CustomEvent = function CustomEvent(event, params) {
var evt, origPrevent;
params = params || {
bubbles: false,
cancelable: false,
detail: undefined
};
evt = document.createEvent("CustomEvent");
evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
origPrevent = evt.preventDefault;
evt.preventDefault = function () {
origPrevent.call(this);
try {
Object.defineProperty(this, 'defaultPrevented', {
get: function get() {
return true;
}
});
} catch (e) {
this.defaultPrevented = true;
}
};
return evt;
};
CustomEvent.prototype = window.Event.prototype;
window.CustomEvent = CustomEvent; // expose definition to window
}
/***/
},
/* 15 */
/***/function (module, exports, __webpack_require__) {
"use strict";
/* WEBPACK VAR INJECTION */
(function (global, process) {
var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;
var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) {
return typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
};
/*!
* https://github.com/paulmillr/es6-shim
* @license es6-shim Copyright 2013-2016 by Paul Miller (http://paulmillr.com)
* and contributors, MIT License
* es6-shim: v0.35.1
* see https://github.com/paulmillr/es6-shim/blob/0.35.1/LICENSE
* Details and documentation:
* https://github.com/paulmillr/es6-shim/
*/
// UMD (Universal Module Definition)
// see https://github.com/umdjs/umd/blob/master/returnExports.js
(function (root, factory) {
/*global define, module, exports */
if (true) {
// AMD. Register as an anonymous module.
!(__WEBPACK_AMD_DEFINE_FACTORY__ = factory, __WEBPACK_AMD_DEFINE_RESULT__ = typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ? __WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module) : __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
} else if ((typeof exports === 'undefined' ? 'undefined' : _typeof(exports)) === 'object') {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory();
} else {
// Browser globals (root is window)
root.returnExports = factory();
}
})(undefined, function () {
'use strict';
var _apply = Function.call.bind(Function.apply);
var _call = Function.call.bind(Function.call);
var isArray = Array.isArray;
var keys = Object.keys;
var not = function notThunker(func) {
return function notThunk() {
return !_apply(func, this, arguments);
};
};
var throwsError = function throwsError(func) {
try {
func();
return false;
} catch (e) {
return true;
}
};
var valueOrFalseIfThrows = function valueOrFalseIfThrows(func) {
try {
return func();
} catch (e) {
return false;
}
};
var isCallableWithoutNew = not(throwsError);
var arePropertyDescriptorsSupported = function arePropertyDescriptorsSupported() {
// if Object.defineProperty exists but throws, it's IE 8
return !throwsError(function () {
Object.defineProperty({}, 'x', { get: function get() {} });
});
};
var supportsDescriptors = !!Object.defineProperty && arePropertyDescriptorsSupported();
var functionsHaveNames = function foo() {}.name === 'foo'; // eslint-disable-line no-extra-parens
var _forEach = Function.call.bind(Array.prototype.forEach);
var _reduce = Function.call.bind(Array.prototype.reduce);
var _filter = Function.call.bind(Array.prototype.filter);
var _some = Function.call.bind(Array.prototype.some);
var defineProperty = function defineProperty(object, name, value, force) {
if (!force && name in object) {
return;
}
if (supportsDescriptors) {
Object.defineProperty(object, name, {
configurable: true,
enumerable: false,
writable: true,
value: value
});
} else {
object[name] = value;
}
};
// Define configurable, writable and non-enumerable props
// if they don’t exist.
var defineProperties = function defineProperties(object, map, forceOverride) {
_forEach(keys(map), function (name) {
var method = map[name];
defineProperty(object, name, method, !!forceOverride);
});
};
var _toString = Function.call.bind(Object.prototype.toString);
var isCallable = false ? function IsCallableSlow(x) {
// Some old browsers (IE, FF) say that typeof /abc/ === 'function'
return typeof x === 'function' && _toString(x) === '[object Function]';
} : function IsCallableFast(x) {
return typeof x === 'function';
};
var Value = {
getter: function getter(object, name, _getter) {
if (!supportsDescriptors) {
throw new TypeError('getters require true ES5 support');
}
Object.defineProperty(object, name, {
configurable: true,
enumerable: false,
get: _getter
});
},
proxy: function proxy(originalObject, key, targetObject) {
if (!supportsDescriptors) {
throw new TypeError('getters require true ES5 support');
}
var originalDescriptor = Object.getOwnPropertyDescriptor(originalObject, key);
Object.defineProperty(targetObject, key, {
configurable: originalDescriptor.configurable,
enumerable: originalDescriptor.enumerable,
get: function getKey() {
return originalObject[key];
},
set: function setKey(value) {
originalObject[key] = value;
}
});
},
redefine: function redefine(object, property, newValue) {
if (supportsDescriptors) {
var descriptor = Object.getOwnPropertyDescriptor(object, property);
descriptor.value = newValue;
Object.defineProperty(object, property, descriptor);
} else {
object[property] = newValue;
}
},
defineByDescriptor: function defineByDescriptor(object, property, descriptor) {
if (supportsDescriptors) {
Object.defineProperty(object, property, descriptor);
} else if ('value' in descriptor) {
object[property] = descriptor.value;
}
},
preserveToString: function preserveToString(target, source) {
if (source && isCallable(source.toString)) {
defineProperty(target, 'toString', source.toString.bind(source), true);
}
}
};
// Simple shim for Object.create on ES3 browsers
// (unlike real shim, no attempt to support `prototype === null`)
var create = Object.create || function (prototype, properties) {
var Prototype = function Prototype() {};
Prototype.prototype = prototype;
var object = new Prototype();
if (typeof properties !== 'undefined') {
keys(properties).forEach(function (key) {
Value.defineByDescriptor(object, key, properties[key]);
});
}
return object;
};
var supportsSubclassing = function supportsSubclassing(C, f) {
if (!Object.setPrototypeOf) {
return false; /* skip test on IE < 11 */
}
return valueOrFalseIfThrows(function () {
var Sub = function Subclass(arg) {
var o = new C(arg);
Object.setPrototypeOf(o, Subclass.prototype);
return o;
};
Object.setPrototypeOf(Sub, C);
Sub.prototype = create(C.prototype, {
constructor: { value: Sub }
});
return f(Sub);
});
};
var getGlobal = function getGlobal() {
/* global self, window, global */
// the only reliable means to get the global object is
// `Function('return this')()`
// However, this causes CSP violations in Chrome apps.
if (typeof self !== 'undefined') {
return self;
}
if (typeof window !== 'undefined') {
return window;
}
if (typeof global !== 'undefined') {
return global;
}
throw new Error('unable to locate global object');
};
var globals = getGlobal();
var globalIsFinite = globals.isFinite;
var _indexOf = Function.call.bind(String.prototype.indexOf);
var _arrayIndexOfApply = Function.apply.bind(Array.prototype.indexOf);
var _concat = Function.call.bind(Array.prototype.concat);
// var _sort = Function.call.bind(Array.prototype.sort);
var _strSlice = Function.call.bind(String.prototype.slice);
var _push = Function.call.bind(Array.prototype.push);
var _pushApply = Function.apply.bind(Array.prototype.push);
var _shift = Function.call.bind(Array.prototype.shift);
var _max = Math.max;
var _min = Math.min;
var _floor = Math.floor;
var _abs = Math.abs;
var _exp = Math.exp;
var _log = Math.log;
var _sqrt = Math.sqrt;
var _hasOwnProperty = Function.call.bind(Object.prototype.hasOwnProperty);
var ArrayIterator; // make our implementation private
var noop = function noop() {};
var OrigMap = globals.Map;
var origMapDelete = OrigMap && OrigMap.prototype['delete'];
var origMapGet = OrigMap && OrigMap.prototype.get;
var origMapHas = OrigMap && OrigMap.prototype.has;
var origMapSet = OrigMap && OrigMap.prototype.set;
var _Symbol = globals.Symbol || {};
var symbolSpecies = _Symbol.species || '@@species';
var numberIsNaN = Number.isNaN || function isNaN(value) {
// NaN !== NaN, but they are identical.
// NaNs are the only non-reflexive value, i.e., if x !== x,
// then x is NaN.
// isNaN is broken: it converts its argument to number, so
// isNaN('foo') => true
return value !== value;
};
var numberIsFinite = Number.isFinite || function isFinite(value) {
return typeof value === 'number' && globalIsFinite(value);
};
var _sign = isCallable(Math.sign) ? Math.sign : function sign(value) {
var number = Number(value);
if (number === 0) {
return number;
}
if (numberIsNaN(number)) {
return number;
}
return number < 0 ? -1 : 1;
};
// 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 _toString(value) === '[object Arguments]';
};
var isLegacyArguments = function isArguments(value) {
return value !== null && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && typeof value.length === 'number' && value.length >= 0 && _toString(value) !== '[object Array]' && _toString(value.callee) === '[object Function]';
};
var isArguments = isStandardArguments(arguments) ? isStandardArguments : isLegacyArguments;
var Type = {
primitive: function primitive(x) {
return x === null || typeof x !== 'function' && (typeof x === 'undefined' ? 'undefined' : _typeof(x)) !== 'object';
},
string: function string(x) {
return _toString(x) === '[object String]';
},
regex: function regex(x) {
return _toString(x) === '[object RegExp]';
},
symbol: function symbol(x) {
return typeof globals.Symbol === 'function' && (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'symbol';
}
};
var overrideNative = function overrideNative(object, property, replacement) {
var original = object[property];
defineProperty(object, property, replacement, true);
Value.preserveToString(object[property], original);
};
// eslint-disable-next-line no-restricted-properties
var hasSymbols = typeof _Symbol === 'function' && typeof _Symbol['for'] === 'function' && Type.symbol(_Symbol());
// This is a private name in the es6 spec, equal to '[Symbol.iterator]'
// we're going to use an arbitrary _-prefixed name to make our shims
// work properly with each other, even though we don't have full Iterator
// support. That is, `Array.from(map.keys())` will work, but we don't
// pretend to export a "real" Iterator interface.
var $iterator$ = Type.symbol(_Symbol.iterator) ? _Symbol.iterator : '_es6-shim iterator_';
// Firefox ships a partial implementation using the name @@iterator.
// https://bugzilla.mozilla.org/show_bug.cgi?id=907077#c14
// So use that name if we detect it.
if (globals.Set && typeof new globals.Set()['@@iterator'] === 'function') {
$iterator$ = '@@iterator';
}
// Reflect
if (!globals.Reflect) {
defineProperty(globals, 'Reflect', {}, true);
}
var Reflect = globals.Reflect;
var $String = String;
/* global document */
var domAll = typeof document === 'undefined' || !document ? null : document.all;
/* jshint eqnull:true */
var isNullOrUndefined = domAll == null ? function isNullOrUndefined(x) {
/* jshint eqnull:true */
return x == null;
} : function isNullOrUndefinedAndNotDocumentAll(x) {
/* jshint eqnull:true */
return x == null && x !== domAll;
};
var ES = {
// http://www.ecma-international.org/ecma-262/6.0/#sec-call
Call: function Call(F, V) {
var args = arguments.length > 2 ? arguments[2] : [];
if (!ES.IsCallable(F)) {
throw new TypeError(F + ' is not a function');
}
return _apply(F, V, args);
},
RequireObjectCoercible: function RequireObjectCoercible(x, optMessage) {
if (isNullOrUndefined(x)) {
throw new TypeError(optMessage || 'Cannot call method on ' + x);
}
return x;
},
// This might miss the "(non-standard exotic and does not implement
// [[Call]])" case from
// http://www.ecma-international.org/ecma-262/6.0/#sec-typeof-operator-runtime-semantics-evaluation
// but we can't find any evidence these objects exist in practice.
// If we find some in the future, you could test `Object(x) === x`,
// which is reliable according to
// http://www.ecma-international.org/ecma-262/6.0/#sec-toobject
// but is not well optimized by runtimes and creates an object
// whenever it returns false, and thus is very slow.
TypeIsObject: function TypeIsObject(x) {
if (x === void 0 || x === null || x === true || x === false) {
return false;
}
return typeof x === 'function' || (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' || x === domAll;
},
ToObject: function ToObject(o, optMessage) {
return Object(ES.RequireObjectCoercible(o, optMessage));
},
IsCallable: isCallable,
IsConstructor: function IsConstructor(x) {
// We can't tell callables from constructors in ES5
return ES.IsCallable(x);
},
ToInt32: function ToInt32(x) {
return ES.ToNumber(x) >> 0;
},
ToUint32: function ToUint32(x) {
return ES.ToNumber(x) >>> 0;
},
ToNumber: function ToNumber(value) {
if (_toString(value) === '[object Symbol]') {
throw new TypeError('Cannot convert a Symbol value to a number');
}
return +value;
},
ToInteger: function ToInteger(value) {
var number = ES.ToNumber(value);
if (numberIsNaN(number)) {
return 0;
}
if (number === 0 || !numberIsFinite(number)) {
return number;
}
return (number > 0 ? 1 : -1) * _floor(_abs(number));
},
ToLength: function ToLength(value) {
var len = ES.ToInteger(value);
if (len <= 0) {
return 0;
} // includes converting -0 to +0
if (len > Number.MAX_SAFE_INTEGER) {
return Number.MAX_SAFE_INTEGER;
}
return len;
},
SameValue: function SameValue(a, b) {
if (a === b) {
// 0 === -0, but they are not identical.
if (a === 0) {
return 1 / a === 1 / b;
}
return true;
}
return numberIsNaN(a) && numberIsNaN(b);
},
SameValueZero: function SameValueZero(a, b) {
// same as SameValue except for SameValueZero(+0, -0) == true
return a === b || numberIsNaN(a) && numberIsNaN(b);
},
IsIterable: function IsIterable(o) {
return ES.TypeIsObject(o) && (typeof o[$iterator$] !== 'undefined' || isArguments(o));
},
GetIterator: function GetIterator(o) {
if (isArguments(o)) {
// special case support for `arguments`
return new ArrayIterator(o, 'value');
}
var itFn = ES.GetMethod(o, $iterator$);
if (!ES.IsCallable(itFn)) {
// Better diagnostics if itFn is null or undefined
throw new TypeError('value is not an iterable');
}
var it = ES.Call(itFn, o);
if (!ES.TypeIsObject(it)) {
throw new TypeError('bad iterator');
}
return it;
},
GetMethod: function GetMethod(o, p) {
var func = ES.ToObject(o)[p];
if (isNullOrUndefined(func)) {
return void 0;
}
if (!ES.IsCallable(func)) {
throw new TypeError('Method not callable: ' + p);
}
return func;
},
IteratorComplete: function IteratorComplete(iterResult) {
return !!iterResult.done;
},
IteratorClose: function IteratorClose(iterator, completionIsThrow) {
var returnMethod = ES.GetMethod(iterator, 'return');
if (returnMethod === void 0) {
return;
}
var innerResult, innerException;
try {
innerResult = ES.Call(returnMethod, iterator);
} catch (e) {
innerException = e;
}
if (completionIsThrow) {
return;
}
if (innerException) {
throw innerException;
}
if (!ES.TypeIsObject(innerResult)) {
throw new TypeError("Iterator's return method returned a non-object.");
}
},
IteratorNext: function IteratorNext(it) {
var result = arguments.length > 1 ? it.next(arguments[1]) : it.next();
if (!ES.TypeIsObject(result)) {
throw new TypeError('bad iterator');
}
return result;
},
IteratorStep: function IteratorStep(it) {
var result = ES.IteratorNext(it);
var done = ES.IteratorComplete(result);
return done ? false : result;
},
Construct: function Construct(C, args, newTarget, isES6internal) {
var target = typeof newTarget === 'undefined' ? C : newTarget;
if (!isES6internal && Reflect.construct) {
// Try to use Reflect.construct if available
return Reflect.construct(C, args, target);
}
// OK, we have to fake it. This will only work if the
// C.[[ConstructorKind]] == "base" -- but that's the only
// kind we can make in ES5 code anyway.
// OrdinaryCreateFromConstructor(target, "%ObjectPrototype%")
var proto = target.prototype;
if (!ES.TypeIsObject(proto)) {
proto = Object.prototype;
}
var obj = create(proto);
// Call the constructor.
var result = ES.Call(C, obj, args);
return ES.TypeIsObject(result) ? result : obj;
},
SpeciesConstructor: function SpeciesConstructor(O, defaultConstructor) {
var C = O.constructor;
if (C === void 0) {
return defaultConstructor;
}
if (!ES.TypeIsObject(C)) {
throw new TypeError('Bad constructor');
}
var S = C[symbolSpecies];
if (isNullOrUndefined(S)) {
return defaultConstructor;
}
if (!ES.IsConstructor(S)) {
throw new TypeError('Bad @@species');
}
return S;
},
CreateHTML: function CreateHTML(string, tag, attribute, value) {
var S = ES.ToString(string);
var p1 = '<' + tag;
if (attribute !== '') {
var V = ES.ToString(value);
var escapedV = V.replace(/"/g, '"');
p1 += ' ' + attribute + '="' + escapedV + '"';
}
var p2 = p1 + '>';
var p3 = p2 + S;
return p3 + '</' + tag + '>';
},
IsRegExp: function IsRegExp(argument) {
if (!ES.TypeIsObject(argument)) {
return false;
}
var isRegExp = argument[_Symbol.match];
if (typeof isRegExp !== 'undefined') {
return !!isRegExp;
}
return Type.regex(argument);
},
ToString: function ToString(string) {
return $String(string);
}
};
// Well-known Symbol shims
if (supportsDescriptors && hasSymbols) {
var defineWellKnownSymbol = function defineWellKnownSymbol(name) {
if (Type.symbol(_Symbol[name])) {
return _Symbol[name];
}
// eslint-disable-next-line no-restricted-properties
var sym = _Symbol['for']('Symbol.' + name);
Object.defineProperty(_Symbol, name, {
configurable: false,
enumerable: false,
writable: false,
value: sym
});
return sym;
};
if (!Type.symbol(_Symbol.search)) {
var symbolSearch = defineWellKnownSymbol('search');
var originalSearch = String.prototype.search;
defineProperty(RegExp.prototype, symbolSearch, function search(string) {
return ES.Call(originalSearch, string, [this]);
});
var searchShim = function search(regexp) {
var O = ES.RequireObjectCoercible(this);
if (!isNullOrUndefined(regexp)) {
var searcher = ES.GetMethod(regexp, symbolSearch);
if (typeof searcher !== 'undefined') {
return ES.Call(searcher, regexp, [O]);
}
}
return ES.Call(originalSearch, O, [ES.ToString(regexp)]);
};
overrideNative(String.prototype, 'search', searchShim);
}
if (!Type.symbol(_Symbol.replace)) {
var symbolReplace = defineWellKnownSymbol('replace');
var originalReplace = String.prototype.replace;
defineProperty(RegExp.prototype, symbolReplace, function replace(string, replaceValue) {
return ES.Call(originalReplace, string, [this, replaceValue]);
});
var replaceShim = function replace(searchValue, replaceValue) {
var O = ES.RequireObjectCoercible(this);
if (!isNullOrUndefined(searchValue)) {
var replacer = ES.GetMethod(searchValue, symbolReplace);
if (typeof replacer !== 'undefined') {
return ES.Call(replacer, searchValue, [O, replaceValue]);
}
}
return ES.Call(originalReplace, O, [ES.ToString(searchValue), replaceValue]);
};
overrideNative(String.prototype, 'replace', replaceShim);
}
if (!Type.symbol(_Symbol.split)) {
var symbolSplit = defineWellKnownSymbol('split');
var originalSplit = String.prototype.split;
defineProperty(RegExp.prototype, symbolSplit, function split(string, limit) {
return ES.Call(originalSplit, string, [this, limit]);
});
var splitShim = function split(separator, limit) {
var O = ES.RequireObjectCoercible(this);
if (!isNullOrUndefined(separator)) {
var splitter = ES.GetMethod(separator, symbolSplit);
if (typeof splitter !== 'undefined') {
return ES.Call(splitter, separator, [O, limit]);
}
}
return ES.Call(originalSplit, O, [ES.ToString(separator), limit]);
};
overrideNative(String.prototype, 'split', splitShim);
}
var symbolMatchExists = Type.symbol(_Symbol.match);
var stringMatchIgnoresSymbolMatch = symbolMatchExists && function () {
// Firefox 41, through Nightly 45 has Symbol.match, but String#match ignores it.
// Firefox 40 and below have Symbol.match but String#match works fine.
var o = {};
o[_Symbol.match] = function () {
return 42;
};
return 'a'.match(o) !== 42;
}();
if (!symbolMatchExists || stringMatchIgnoresSymbolMatch) {
var symbolMatch = defineWellKnownSymbol('match');
var originalMatch = String.prototype.match;
defineProperty(RegExp.prototype, symbolMatch, function match(string) {
return ES.Call(originalMatch, string, [this]);
});
var matchShim = function match(regexp) {
var O = ES.RequireObjectCoercible(this);
if (!isNullOrUndefined(regexp)) {
var matcher = ES.GetMethod(regexp, symbolMatch);
if (typeof matcher !== 'undefined') {
return ES.Call(matcher, regexp, [O]);
}
}
return ES.Call(originalMatch, O, [ES.ToString(regexp)]);
};
overrideNative(String.prototype, 'match', matchShim);
}
}
var wrapConstructor = function wrapConstructor(original, replacement, keysToSkip) {
Value.preserveToString(replacement, original);
if (Object.setPrototypeOf) {
// sets up proper prototype chain where possible
Object.setPrototypeOf(original, replacement);
}
if (supportsDescriptors) {
_forEach(Object.getOwnPropertyNames(original), function (key) {
if (key in noop || keysToSkip[key]) {
return;
}
Value.proxy(original, key, replacement);
});
} else {
_forEach(Object.keys(original), function (key) {
if (key in noop || keysToSkip[key]) {
return;
}
replacement[key] = original[key];
});
}
replacement.prototype = original.prototype;
Value.redefine(original.prototype, 'constructor', replacement);
};
var defaultSpeciesGetter = function defaultSpeciesGetter() {
return this;
};
var addDefaultSpecies = function addDefaultSpecies(C) {
if (supportsDescriptors && !_hasOwnProperty(C, symbolSpecies)) {
Value.getter(C, symbolSpecies, defaultSpeciesGetter);
}
};
var addIterator = function addIterator(prototype, impl) {
var implementation = impl || function iterator() {
return this;
};
defineProperty(prototype, $iterator$, implementation);
if (!prototype[$iterator$] && Type.symbol($iterator$)) {
// implementations are buggy when $iterator$ is a Symbol
prototype[$iterator$] = implementation;
}
};
var createDataProperty = function createDataProperty(object, name, value) {
if (supportsDescriptors) {
Object.defineProperty(object, name, {
configurable: true,
enumerable: true,
writable: true,
value: value
});
} else {
object[name] = value;
}
};
var createDataPropertyOrThrow = function createDataPropertyOrThrow(object, name, value) {
createDataProperty(object, name, value);
if (!ES.SameValue(object[name], value)) {
throw new TypeError('property is nonconfigurable');
}
};
var emulateES6construct = function emulateES6construct(o, defaultNewTarget, defaultProto, slots) {
// This is an es5 approximation to es6 construct semantics. in es6,
// 'new Foo' invokes Foo.[[Construct]] which (for almost all objects)
// just sets the internal variable NewTarget (in es6 syntax `new.target`)
// to Foo and then returns Foo().
// Many ES6 object then have constructors of the form:
// 1. If NewTarget is undefined, throw a TypeError exception
// 2. Let xxx by OrdinaryCreateFromConstructor(NewTarget, yyy, zzz)
// So we're going to emulate those first two steps.
if (!ES.TypeIsObject(o)) {
throw new TypeError('Constructor requires `new`: ' + defaultNewTarget.name);
}
var proto = defaultNewTarget.prototype;
if (!ES.TypeIsObject(proto)) {
proto = defaultProto;
}
var obj = create(proto);
for (var name in slots) {
if (_hasOwnProperty(slots, name)) {
var value = slots[name];
defineProperty(obj, name, value, true);
}
}
return obj;
};
// Firefox 31 reports this function's length as 0
// https://bugzilla.mozilla.org/show_bug.cgi?id=1062484
if (String.fromCodePoint && String.fromCodePoint.length !== 1) {
var originalFromCodePoint = String.fromCodePoint;
overrideNative(String, 'fromCodePoint', function fromCodePoint(codePoints) {
return ES.Call(originalFromCodePoint, this, arguments);
});
}
var StringShims = {
fromCodePoint: function fromCodePoint(codePoints) {
var result = [];
var next;
for (var i = 0, length = arguments.length; i < length; i++) {
next = Number(arguments[i]);
if (!ES.SameValue(next, ES.ToInteger(next)) || next < 0 || next > 0x10FFFF) {
throw new RangeError('Invalid code point ' + next);
}
if (next < 0x10000) {
_push(result, String.fromCharCode(next));
} else {
next -= 0x10000;
_push(result, String.fromCharCode((next >> 10) + 0xD800));
_push(result, String.fromCharCode(next % 0x400 + 0xDC00));
}
}
return result.join('');
},
raw: function raw(callSite) {
var cooked = ES.ToObject(callSite, 'bad callSite');
var rawString = ES.ToObject(cooked.raw, 'bad raw value');
var len = rawString.length;
var literalsegments = ES.ToLength(len);
if (literalsegments <= 0) {
return '';
}
var stringElements = [];
var nextIndex = 0;
var nextKey, next, nextSeg, nextSub;
while (nextIndex < literalsegments) {
nextKey = ES.ToString(nextIndex);
nextSeg = ES.ToString(rawString[nextKey]);
_push(stringElements, nextSeg);
if (nextIndex + 1 >= literalsegments) {
break;
}
next = nextIndex + 1 < arguments.length ? arguments[nextIndex + 1] : '';
nextSub = ES.ToString(next);
_push(stringElements, nextSub);
nextIndex += 1;
}
return stringElements.join('');
}
};
if (String.raw && String.raw({ raw: { 0: 'x', 1: 'y', length: 2 } }) !== 'xy') {
// IE 11 TP has a broken String.raw implementation
overrideNative(String, 'raw', StringShims.raw);
}
defineProperties(String, StringShims);
// Fast repeat, uses the `Exponentiation by squaring` algorithm.
// Perf: http://jsperf.com/string-repeat2/2
var stringRepeat = function repeat(s, times) {
if (times < 1) {
return '';
}
if (times % 2) {
return repeat(s, times - 1) + s;
}
var half = repeat(s, times / 2);
return half + half;
};
var stringMaxLength = Infinity;
var StringPrototypeShims = {
repeat: function repeat(times) {
var thisStr = ES.ToString(ES.RequireObjectCoercible(this));
var numTimes = ES.ToInteger(times);
if (numTimes < 0 || numTimes >= stringMaxLength) {
throw new RangeError('repeat count must be less than infinity and not overflow maximum string size');
}
return stringRepeat(thisStr, numTimes);
},
startsWith: function startsWith(searchString) {
var S = ES.ToString(ES.RequireObjectCoercible(this));
if (ES.IsRegExp(searchString)) {
throw new TypeError('Cannot call method "startsWith" with a regex');
}
var searchStr = ES.ToString(searchString);
var position;
if (arguments.length > 1) {
position = arguments[1];
}
var start = _max(ES.ToInteger(position)