@eclipse-glsp/protocol
Version:
The protocol definition for client-server communication in GLSP
82 lines • 2.65 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.DisposableCollection = exports.Disposable = void 0;
const array_util_1 = require("../utils/array-util");
const type_util_1 = require("../utils/type-util");
var Disposable;
(function (Disposable) {
function is(value) {
return type_util_1.AnyObject.is(value) && (0, type_util_1.hasFunctionProp)(value, 'dispose');
}
Disposable.is = is;
/**
* Creates a new empty i.e. no-op {@link Disposable}.
* @returns the newly created disposable
*/
function empty() {
return { dispose: () => { } };
}
Disposable.empty = empty;
/**
* Creates a new {@link Disposable} that delegates to the given callback.
* @param cb The callback that should be invoked on dispose
* @returns the newly created disposable
*/
function create(cb) {
return { dispose: cb };
}
Disposable.create = create;
/**
* Disposes the given object if it is a {@link Disposable}.
* @param value The object that should be disposed
*/
function dispose(value) {
if (is(value)) {
value.dispose();
}
}
Disposable.dispose = dispose;
})(Disposable || (exports.Disposable = Disposable = {}));
/**
* Reusable base class to manage a collection of {@link Disposable}s.
*/
class DisposableCollection {
constructor(...toDispose) {
this.disposables = [];
toDispose.forEach(d => this.push(d));
this.errorHandler = err => console.error(err);
}
dispose() {
var _a, _b;
if (this.disposed) {
return;
}
try {
while (!this.disposed) {
(_a = this.disposables.pop()) === null || _a === void 0 ? void 0 : _a.dispose();
}
}
catch (err) {
(_b = this.errorHandler) === null || _b === void 0 ? void 0 : _b.call(this, err);
}
}
get disposed() {
return this.disposables.length === 0;
}
push(...disposables) {
const toAdd = (0, array_util_1.isArrayOfType)(disposables, Disposable.is) ? disposables : disposables.map(Disposable.create);
this.disposables.push(...toAdd);
return Disposable.create(() => (0, array_util_1.remove)(this.disposables, ...toAdd));
}
get isDisposed() {
return this.disposed;
}
/**
* Removes all disposables in this collection WITHOUT triggering their disposal behavior.
*/
clear() {
this.disposables.length = 0;
}
}
exports.DisposableCollection = DisposableCollection;
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