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fix: prevent unhandled promise rejection when fetching state #1330

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Merged
aliberski merged 1 commit into from
Mar 9, 2026
Merged

fix: prevent unhandled promise rejection when fetching state #1330

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13 changes: 9 additions & 4 deletions src/BleManager.js
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Original file line number Diff line number Diff line change
Expand Up @@ -316,11 +316,16 @@ export class BleManager {

if (emitCurrentState) {
var cancelled = false
this._callPromise(this.state()).then(currentState => {
if (!cancelled) {
listener(currentState)
this._callPromise(this.state()).then(
currentState => {
if (!cancelled) {
listener(currentState)
}
},
() => {
// Prevent unhandled promise rejection for internal state fetch.
}
Comment on lines +325 to 327

Copilot AI Mar 9, 2026

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There is no test covering the emitCurrentState: true path in onStateChange, and in particular no test verifying that when the internal state fetch rejects, the promise rejection is swallowed and does not propagate (the core behavior this fix adds). The existing test at line 106 only exercises the emitCurrentState: false (default) code path. Given that the rest of BleManager.js is thoroughly covered and the whole purpose of this PR is to prevent an unhandled rejection, a test ensuring this behavior works correctly (e.g. mocking BleModule.state to reject and asserting no unhandled rejection is thrown) would be valuable.

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})
)

wrappedSubscription = {
remove: () => {
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