2017-06-08_509bba0/509bba0_unpacked_with_node_modules/~/disposables/modules/SerialDisposable.js
2022-07-26 10:06:20 -07:00

88 lines
No EOL
2 KiB
JavaScript
Executable file

'use strict';
var _interopRequireWildcard = function (obj) { return obj && obj.__esModule ? obj : { 'default': obj }; };
var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } };
exports.__esModule = true;
var _isDisposable = require('./isDisposable');
var _isDisposable2 = _interopRequireWildcard(_isDisposable);
var SerialDisposable = (function () {
function SerialDisposable() {
_classCallCheck(this, SerialDisposable);
this.isDisposed = false;
this.current = null;
}
/**
* Gets the underlying disposable.
* @return The underlying disposable.
*/
SerialDisposable.prototype.getDisposable = function getDisposable() {
return this.current;
};
/**
* Sets the underlying disposable.
* @param {Disposable} value The new underlying disposable.
*/
SerialDisposable.prototype.setDisposable = function setDisposable() {
var value = arguments[0] === undefined ? null : arguments[0];
if (value != null && !_isDisposable2['default'](value)) {
throw new Error('Expected either an empty value or a valid disposable');
}
var isDisposed = this.isDisposed;
var previous = undefined;
if (!isDisposed) {
previous = this.current;
this.current = value;
}
if (previous) {
previous.dispose();
}
if (isDisposed && value) {
value.dispose();
}
};
/**
* Disposes the underlying disposable as well as all future replacements.
*/
SerialDisposable.prototype.dispose = function dispose() {
if (this.isDisposed) {
return;
}
this.isDisposed = true;
var previous = this.current;
this.current = null;
if (previous) {
previous.dispose();
}
};
return SerialDisposable;
})();
exports['default'] = SerialDisposable;
module.exports = exports['default'];
//////////////////
// WEBPACK FOOTER
// ./~/disposables/modules/SerialDisposable.js
// module id = 1999
// module chunks = 4