| 3 | } |
| 4 | |
| 5 | export class SingletonLocker implements Locker { |
| 6 | lockedResource = new Map<string, Lock>(); |
| 7 | constructor() {} |
| 8 | |
| 9 | async lock(domain: string, resource: string) { |
| 10 | const key = `${domain}:${resource}`; |
| 11 | let lock = this.lockedResource.get(key); |
| 12 | |
| 13 | if (!lock) { |
| 14 | lock = new Lock(); |
| 15 | this.lockedResource.set(key, lock); |
| 16 | } |
| 17 | |
| 18 | await lock.acquire(); |
| 19 | |
| 20 | return lock; |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | export class Lock { |
| 25 | private inner: Promise<void> = Promise.resolve(); |
nothing calls this directly
no outgoing calls
no test coverage detected