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fullstack ruleP1universalStack: TypeScript
typescriptasynctypescorrectness
Type async functions as returning a Promise
An async function always returns a Promise, so its annotated return type must be Promise<T>, not T.
PR: vinify-frontend · org-mining-hist-2026-06Created: Jun 19, 2026
Bad example
Old codetypescript
| 1 | const geocode = async (place: string): CoordsWithLocationName | null => { /* ... */ }; |
Explanation (EN)
Objašnjenje (HR)
Good example
New codetypescript
| 1 | const geocode = async (place: string): Promise<CoordsWithLocationName | null> => { /* ... */ }; |
Explanation (EN)
Objašnjenje (HR)