web-atoms-core
Version:
51 lines • 1.71 kB
JavaScript
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var Disposable = function (target, key) {
// property value
var iVal = target[key];
var keyName = "_" + key;
var disposableKey = "_$_disposable" + key;
target[keyName] = iVal;
if (iVal) {
target[disposableKey] = target.registerDisposable(iVal);
}
// property getter
var getter = function () {
return this[keyName];
};
// property setter
var setter = function (newVal) {
var oldValue = this[keyName];
// tslint:disable-next-line:triple-equals
if (oldValue == newVal) {
return;
}
var oldDisposable = this[disposableKey];
if (oldDisposable && oldDisposable.dispose) {
oldDisposable.dispose();
}
this[keyName] = newVal;
};
// delete property
if (delete target[key]) {
// create new property with getter and setter
Object.defineProperty(target, key, {
get: getter,
set: setter,
enumerable: true,
configurable: true
});
}
};
exports.default = Disposable;
});
//# sourceMappingURL=Disposable.js.map