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Pull out shams

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1 parent 5731ab9 commit fac1f1448eebabf41aeac555905e760571690eeb @ixti ixti committed Dec 3, 2012
Showing with 0 additions and 387 deletions.
  1. +0 −1 demo/index.html
  2. +0 −386 demo/js/es5-sham.js
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@@ -9,7 +9,6 @@
<link rel="stylesheet" href="css/codemirror.default.css">
<link rel="stylesheet" href="css/demo.css">
<script src="js/es5-shim.js"></script>
- <script src="js/es5-sham.js"></script>
<script src="js/js-yaml.js"></script>
<script src="js/codemirror.js"></script>
<script src="js/codemirror/yaml.js"></script>
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@@ -1,386 +0,0 @@
-// Copyright 2009-2012 by contributors, MIT License
-// vim: ts=4 sts=4 sw=4 expandtab
-
-// 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 () {
-
-// ES5 15.2.3.2
-// http://es5.github.com/#x15.2.3.2
-if (!Object.getPrototypeOf) {
- // https://github.com/kriskowal/es5-shim/issues#issue/2
- // http://ejohn.org/blog/objectgetprototypeof/
- // recommended by fschaefer on github
- Object.getPrototypeOf = function getPrototypeOf(object) {
- return object.__proto__ || (
- object.constructor
- ? object.constructor.prototype
- : prototypeOfObject
- );
- };
-}
-
-// ES5 15.2.3.3
-// http://es5.github.com/#x15.2.3.3
-if (!Object.getOwnPropertyDescriptor) {
- 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);
- }
- // 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__;
- object.__proto__ = prototypeOfObject;
-
- var getter = lookupGetter(object, property);
- var setter = lookupSetter(object, property);
-
- // 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];
- 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 = 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;
-
- return function () {
- 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/kriskowal/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;
- };
-}
-
-});

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