()
| 65 | return null |
| 66 | }, |
| 67 | async readAsync(): Promise<SecureStorageData | null> { |
| 68 | const prev = keychainCacheState.cache |
| 69 | if (Date.now() - prev.cachedAt < KEYCHAIN_CACHE_TTL_MS) { |
| 70 | return prev.data |
| 71 | } |
| 72 | if (keychainCacheState.readInFlight) { |
| 73 | return keychainCacheState.readInFlight |
| 74 | } |
| 75 | |
| 76 | const gen = keychainCacheState.generation |
| 77 | const promise = doReadAsync().then(data => { |
| 78 | // If the cache was invalidated or updated while we were reading, |
| 79 | // our subprocess result is stale — don't overwrite the newer entry. |
| 80 | if (gen === keychainCacheState.generation) { |
| 81 | // Stale-while-error — mirror read() above. |
| 82 | if (data === null && prev.data !== null) { |
| 83 | logForDebugging('[keychain] readAsync failed; serving stale cache', { |
| 84 | level: 'warn', |
| 85 | }) |
| 86 | } |
| 87 | const next = data ?? prev.data |
| 88 | keychainCacheState.cache = { data: next, cachedAt: Date.now() } |
| 89 | keychainCacheState.readInFlight = null |
| 90 | return next |
| 91 | } |
| 92 | return data |
| 93 | }) |
| 94 | keychainCacheState.readInFlight = promise |
| 95 | return promise |
| 96 | }, |
| 97 | update(data: SecureStorageData): { success: boolean; warning?: string } { |
| 98 | // Invalidate cache before update |
| 99 | clearKeychainCache() |
nothing calls this directly
no test coverage detected