24 lines
535 B
TypeScript
24 lines
535 B
TypeScript
export class LockManager {
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private locks: { [key: string]: Promise<any> }
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constructor() {
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this.locks = {}
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}
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async acquireLock<T>(key: string, task: () => Promise<T>): Promise<T> {
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if (!this.locks[key]) {
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this.locks[key] = new Promise<T>(async (resolve, reject) => {
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try {
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const result = await task()
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resolve(result)
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} catch (error) {
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reject(error)
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} finally {
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delete this.locks[key]
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}
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})
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}
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return await this.locks[key]
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}
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}
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