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Diffstat (limited to 'vnfmarket/common/thirdparty/es5-shim/es5-sham.js')
-rw-r--r-- | vnfmarket/common/thirdparty/es5-shim/es5-sham.js | 466 |
1 files changed, 466 insertions, 0 deletions
diff --git a/vnfmarket/common/thirdparty/es5-shim/es5-sham.js b/vnfmarket/common/thirdparty/es5-shim/es5-sham.js new file mode 100644 index 00000000..f2970566 --- /dev/null +++ b/vnfmarket/common/thirdparty/es5-shim/es5-sham.js @@ -0,0 +1,466 @@ +/*! + * https://github.com/es-shims/es5-shim + * @license es5-shim Copyright 2009-2014 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 concated code. +; +// Module systems magic dance +(function (definition) { + // RequireJS + if (typeof define === "function") { + define(definition); + // YUI3 + } else if (typeof YUI === "function") { + YUI.add("es5-sham", definition); + // CommonJS and <script> + } else { + definition(); + } +})(function () { + + +var call = Function.prototype.call; +var prototypeOfObject = Object.prototype; +var owns = call.bind(prototypeOfObject.hasOwnProperty); + +// If JS engine supports accessors creating shortcuts. +var defineGetter; +var defineSetter; +var lookupGetter; +var lookupSetter; +var supportsAccessors; +if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) { + defineGetter = call.bind(prototypeOfObject.__defineGetter__); + defineSetter = call.bind(prototypeOfObject.__defineSetter__); + lookupGetter = call.bind(prototypeOfObject.__lookupGetter__); + lookupSetter = call.bind(prototypeOfObject.__lookupSetter__); +} + +// 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) { + var proto = object.__proto__; + if (proto || proto === null) { + return proto; + } else if (object.constructor) { + return object.constructor.prototype; + } else { + return prototypeOfObject; + } + }; +} + +//ES5 15.2.3.3 +//http://es5.github.com/#x15.2.3.3 + +function doesGetOwnPropertyDescriptorWork(object) { + try { + object.sentinel = 0; + return Object.getOwnPropertyDescriptor( + object, + "sentinel" + ).value === 0; + } catch (exception) { + // returns falsy + } +} + +//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: "; + + Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) { + if ((typeof object !== "object" && typeof object !== "function") || object === null) { + 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 + } + } + + // If object does not owns property return undefined immediately. + if (!owns(object, property)) { + return; + } + + // If object has a property then it's for sure both `enumerable` and + // `configurable`. + var descriptor = { enumerable: true, 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; + }; +} + +// 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 + 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 () { + var iframe = document.createElement('iframe'); + var parent = document.body || document.documentElement; + iframe.style.display = 'none'; + parent.appendChild(iframe); + iframe.src = 'javascript:'; + var empty = iframe.contentWindow.Object.prototype; + parent.removeChild(iframe); + iframe = null; + delete empty.constructor; + delete empty.hasOwnProperty; + delete empty.propertyIsEnumerable; + delete empty.isPrototypeOf; + delete empty.toLocaleString; + delete empty.toString; + delete empty.valueOf; + empty.__proto__ = null; + + 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; + function Type() {} // An empty constructor. + + if (prototype === null) { + object = createEmpty(); + } else { + if (typeof prototype !== "object" && typeof prototype !== "function") { + // 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` + object.__proto__ = prototype; + } + + 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 <hax.github.com> +// 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 + +function doesDefinePropertyWork(object) { + try { + Object.defineProperty(object, "sentinel", {}); + return "sentinel" in object; + } catch (exception) { + // returns falsy + } +} + +// 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 ((typeof object !== "object" && typeof object !== "function") || object === null) { + throw new TypeError(ERR_NON_OBJECT_TARGET + object); + } + if ((typeof descriptor !== "object" && typeof descriptor !== "function") || descriptor === null) { + 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 (owns(descriptor, "value")) { + // 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 + !(owns(descriptor, "writable") ? descriptor.writable : true) || + !(owns(descriptor, "enumerable") ? descriptor.enumerable : true) || + !(owns(descriptor, "configurable") ? descriptor.configurable : true) + ) + 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. + 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; + } else { + object[property] = descriptor.value; + } + } else { + if (!supportsAccessors) { + throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED); + } + // If we got that far then getters and setters can be defined !! + if (owns(descriptor, "get")) { + defineGetter(object, property, descriptor.get); + } + if (owns(descriptor, "set")) { + 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 + } + } + + for (var property in properties) { + if (owns(properties, property) && 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) { + // 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) { + // 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 freeze(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) { + // 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) { + return false; + }; +} + +// ES5 15.2.3.12 +// http://es5.github.com/#x15.2.3.12 +if (!Object.isFrozen) { + Object.isFrozen = function isFrozen(object) { + return false; + }; +} + +// ES5 15.2.3.13 +// http://es5.github.com/#x15.2.3.13 +if (!Object.isExtensible) { + Object.isExtensible = function isExtensible(object) { + // 1. If Type(O) is not Object throw a TypeError exception. + if (Object(object) !== object) { + throw new TypeError(); // TODO message + } + // 2. Return the Boolean value of the [[Extensible]] internal property of O. + var name = ''; + while (owns(object, name)) { + name += '?'; + } + object[name] = true; + var returnValue = owns(object, name); + delete object[name]; + return returnValue; + }; +} + +}); |