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Define Object.defineProperties in FF36.

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This commit is contained in:
Kris Maglione
2011-01-26 13:32:53 -05:00
parent 77e3ba58c5
commit a6fe97b787
1 changed files with 10 additions and 5 deletions
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15
common/modules/base.jsm
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@@ -23,20 +23,20 @@ if (typeof XPCSafeJSObjectWrapper === "undefined")
this.XPCSafeJSObjectWrapper = XPCNativeWrapper;
if (!XPCNativeWrapper.unwrap)
XPCNativeWrapper.unwrap = function (obj) {
XPCNativeWrapper.unwrap = function unwrap(obj) {
if (hasOwnProperty.call(obj, "wrappedJSObject"))
return obj.wrappedJSObject;
return obj;
};
if (!Object.create)
Object.create = function (proto, props) {
Object.create = function create(proto, props) {
let obj = { __proto__: proto };
for (let k in properties(props || {}))
Object.defineProperty(obj, k, props[k]);
return obj;
};
if (!Object.defineProperty)
Object.defineProperty = function (obj, prop, desc) {
Object.defineProperty = function defineProperty(obj, prop, desc) {
let value = desc.value;
if ("value" in desc)
if (desc.writable && !objproto.__lookupGetter__.call(obj, prop)
@@ -56,6 +56,11 @@ if (!Object.defineProperty)
if ("set" in desc)
objproto.__defineSetter__.call(obj, prop, desc.set);
};
if (!Object.defineProperties)
Object.defineProperties = function defineProperties(obj, props) {
for (let [k, v] in Iterator(props))
Object.defineProperty(obj, k, v);
}
if (!Object.getOwnPropertyDescriptor)
Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(obj, prop) {
if (!hasOwnProperty.call(obj, prop))
@@ -91,9 +96,9 @@ if (!Object.getOwnPropertyNames)
return res;
};
if (!Object.getPrototypeOf)
Object.getPrototypeOf = function (obj) obj.__proto__;
Object.getPrototypeOf = function getPrototypeOf(obj) obj.__proto__;
if (!Object.keys)
Object.keys = function (obj)
Object.keys = function keys(obj)
Object.getOwnPropertyNames(obj).filter(function (k) objproto.propertyIsEnumerable.call(obj, k));
let use = {};