monaco-editor
Version:
A browser based code editor
48 lines (45 loc) • 1.7 kB
JavaScript
import { transaction } from '../transaction.js';
import { DebugNameData } from '../debugName.js';
import { BaseObservable } from './baseObservable.js';
import { DebugLocation } from '../debugLocation.js';
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
function observableSignal(debugNameOrOwner, debugLocation = DebugLocation.ofCaller()) {
if (typeof debugNameOrOwner === 'string') {
return new ObservableSignal(debugNameOrOwner, undefined, debugLocation);
}
else {
return new ObservableSignal(undefined, debugNameOrOwner, debugLocation);
}
}
class ObservableSignal extends BaseObservable {
get debugName() {
return new DebugNameData(this._owner, this._debugName, undefined).getDebugName(this) ?? 'Observable Signal';
}
toString() {
return this.debugName;
}
constructor(_debugName, _owner, debugLocation) {
super(debugLocation);
this._debugName = _debugName;
this._owner = _owner;
}
trigger(tx, change) {
if (!tx) {
transaction(tx => {
this.trigger(tx, change);
}, () => `Trigger signal ${this.debugName}`);
return;
}
for (const o of this._observers) {
tx.updateObserver(o, this);
o.handleChange(this, change);
}
}
get() {
// NO OP
}
}
export { observableSignal };