monaco-editor
Version:
A browser based code editor
36 lines (33 loc) • 993 B
JavaScript
import { ConvenientObservable } from './baseObservable.js';
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
/**
* Represents an efficient observable whose value never changes.
*/
function constObservable(value) {
return new ConstObservable(value);
}
class ConstObservable extends ConvenientObservable {
constructor(value) {
super();
this.value = value;
}
get debugName() {
return this.toString();
}
get() {
return this.value;
}
addObserver(observer) {
// NO OP
}
removeObserver(observer) {
// NO OP
}
toString() {
return `Const: ${this.value}`;
}
}
export { constObservable };