async-operations

📁 oimiragieo/agent-studio 📅 8 days ago

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#17983

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安装命令

npx skills add https://github.com/oimiragieo/agent-studio --skill async-operations

Agent 安装分布

cursor 17

antigravity 17

github-copilot 17

gemini-cli 17

continue 16

kimi-cli 16

Async Operations
- Prefer async/await syntax over .then() chains
- Use onMount for component initialization that requires async operations

ALWAYS use async/await over .then() chains â async/await produces linear, readable code; .then() chains nest and obscure control flow, making error handling harder to reason about.
ALWAYS use onMount (Svelte) or useEffect (React) for async component initialization â direct top-level async in component body can run before the DOM is ready; lifecycle hooks guarantee correct timing.
NEVER use forEach with async callbacks â array.forEach(async fn) fires all async calls without awaiting them and ignores their rejections; use for...of for sequential or Promise.all(array.map(async fn)) for parallel.
ALWAYS attach explicit error handling to every promise â unhandled promise rejections crash Node.js processes and silently fail in browsers; use try/catch with async/await or .catch() with .then() chains.
NEVER mix async/await and .then() in the same function â mixing styles creates confusing hybrid control flow; choose one pattern and apply it consistently throughout a function.

Anti-Pattern	Why It Fails	Correct Approach
`array.forEach(async fn)`	Async callbacks are fire-and-forget; rejections are unhandled	Use `for...of` (sequential) or `Promise.all(arr.map(...))` (parallel)
Unhandled promise rejections	Crashes Node.js; silently fails in browser	Always wrap in try/catch or add `.catch()`
Mixing `.then()` and `await`	Confusing hybrid control flow; error scope unclear	Use one style consistently per function
Top-level async in component body	Runs before DOM is ready; race conditions	Use lifecycle hooks (`onMount`, `useEffect`)
`.then()` chains 3+ levels deep	Callback pyramid; hard to debug	Convert to async/await for linear readability

Before starting:

cat .claude/context/memory/learnings.md

After completing: Record any new patterns or exceptions discovered.

ASSUME INTERRUPTION: Your context may reset. If it’s not in memory, it didn’t happen.