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Convert Disposables to typescript

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This commit is contained in:
RMidhunSuresh 2021-11-15 13:43:39 +05:30
parent dd74ed1957
commit 7270918b65
1 changed files with 17 additions and 12 deletions
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29
src/utils/Disposables.ts
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@ -25,14 +25,15 @@ function disposeValue(value: Disposable): void {
}
}
function isDisposable(value) {
function isDisposable(value: Disposable): boolean {
// todo: value can be undefined I think?
return value && (typeof value === "function" || typeof value.dispose === "function");
}
export class Disposables {
private readonly _disposables = [];
private _disposables: Disposable[] | null = [];
track(disposable) {
track(disposable: Disposable): Disposable {
if (!isDisposable(disposable)) {
throw new Error("Not a disposable");
}
@ -41,19 +42,23 @@ export class Disposables {
disposeValue(disposable);
return disposable;
}
this._disposables.push(disposable);
this._disposables!.push(disposable);
return disposable;
}
untrack(disposable) {
const idx = this._disposables.indexOf(disposable);
untrack(disposable: Disposable) {
if (this.isDisposed) {
console.warn("Disposables already disposed, cannot untrack");
return;
}
const idx = this._disposables!.indexOf(disposable);
if (idx >= 0) {
this._disposables.splice(idx, 1);
this._disposables!.splice(idx, 1);
}
return null;
}
dispose() {
dispose(): void {
if (this._disposables) {
for (const d of this._disposables) {
disposeValue(d);
@ -62,17 +67,17 @@ export class Disposables {
}
}
get isDisposed() {
get isDisposed(): boolean {
return this._disposables === null;
}
disposeTracked(value) {
disposeTracked(value: Disposable): null {
if (value === undefined || value === null || this.isDisposed) {
return null;
}
const idx = this._disposables.indexOf(value);
const idx = this._disposables!.indexOf(value);
if (idx !== -1) {
const [foundValue] = this._disposables.splice(idx, 1);
const [foundValue] = this._disposables!.splice(idx, 1);
disposeValue(foundValue);
} else {
console.warn("disposable not found, did it leak?", value);