54 lines
1.3 KiB
JavaScript
54 lines
1.3 KiB
JavaScript
var superPropBase = require("./superPropBase.js");
|
|
|
|
var defineProperty = require("./defineProperty.js");
|
|
|
|
function set(target, property, value, receiver) {
|
|
if (typeof Reflect !== "undefined" && Reflect.set) {
|
|
set = Reflect.set;
|
|
} else {
|
|
set = function set(target, property, value, receiver) {
|
|
var base = superPropBase(target, property);
|
|
var desc;
|
|
|
|
if (base) {
|
|
desc = Object.getOwnPropertyDescriptor(base, property);
|
|
|
|
if (desc.set) {
|
|
desc.set.call(receiver, value);
|
|
return true;
|
|
} else if (!desc.writable) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
desc = Object.getOwnPropertyDescriptor(receiver, property);
|
|
|
|
if (desc) {
|
|
if (!desc.writable) {
|
|
return false;
|
|
}
|
|
|
|
desc.value = value;
|
|
Object.defineProperty(receiver, property, desc);
|
|
} else {
|
|
defineProperty(receiver, property, value);
|
|
}
|
|
|
|
return true;
|
|
};
|
|
}
|
|
|
|
return set(target, property, value, receiver);
|
|
}
|
|
|
|
function _set(target, property, value, receiver, isStrict) {
|
|
var s = set(target, property, value, receiver || target);
|
|
|
|
if (!s && isStrict) {
|
|
throw new Error('failed to set property');
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
module.exports = _set, module.exports.__esModule = true, module.exports["default"] = module.exports; |