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Use undefined instead of null

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This commit is contained in:
RMidhunSuresh 2021-11-17 16:28:14 +05:30
parent 1beb153f21
commit 5a0c06473c
1 changed files with 5 additions and 5 deletions
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10
src/utils/Lock.ts
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@ -15,8 +15,8 @@ limitations under the License.
*/ */
export class Lock { export class Lock {
private _promise: Promise<void> | null = null; private _promise?: Promise<void>;
private _resolve: (() => void) | null = null; private _resolve?: (() => void);
tryTake(): boolean { tryTake(): boolean {
if (!this._promise) { if (!this._promise) {
@ -40,14 +40,14 @@ export class Lock {
release(): void { release(): void {
if (this._resolve) { if (this._resolve) {
this._promise = null; this._promise = undefined;
const resolve = this._resolve; const resolve = this._resolve;
this._resolve = null; this._resolve = undefined;
resolve(); resolve();
} }
} }
released(): Promise<void> | null { released(): Promise<void> | undefined {
return this._promise; return this._promise;
} }
} }