fix: race condition causing prompt.set undefined error #7872
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The following comment was made by an LLM, it may be inaccurate: Perfect! I found a highly relevant duplicate: Potential Duplicate FoundPR #7764 - fix: prevent prompt crash when opening new session with existing prompt This PR appears to address the same issue: preventing a crash related to the prompt when opening/starting a new session from within an existing session. It's almost certainly covering the same race condition bug that PR #7872 is fixing. |
Fixes a race condition where onMount() was called before the prompt ref was initialized, causing "undefined is not an object (evaluating 'prompt.set')" error when starting a new session from inside an existing session. Changed from onMount() to createEffect() with a prompt existence check, matching the pattern used in session/index.tsx. Fixes anomalyco#7870
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Summary
Fixes a race condition where
onMount()was called before thepromptref was initialized, causing a "undefined is not an object (evaluating 'prompt.set')" error when starting a new session from inside an existing session.Root Cause
In
packages/opencode/src/cli/cmd/tui/routes/home.tsx:79-90, theonMount()hook attempted to callprompt.set()before the ref had been assigned by the<Prompt ref={(r) => { prompt = r }} />component. This resulted inpromptbeing undefined during execution.Fix
onMount()tocreateEffect()which re-evaluates when reactive dependencies changeif (once || !prompt) returnto check if the prompt ref existsFixes #7870