TS95089
TypeScriptERRORNotableConfigHIGH confidence
Add 'await' to initializers
Production Risk
Build will fail; resolve before shipping.
What this means
A TypeScript diagnostic (TS95089): Add 'await' to initializers. This diagnostic is emitted by the TypeScript compiler when add 'await' to initializers.
Why it happens
- 1await used outside an async function, or async/await return type mismatch
How to reproduce
TypeScript compiler reports TS95089 during type checking.
trigger — this will error
trigger — this will error
// Triggers TS95089 // Add 'await' to initializers
expected output
error TS95089: Add 'await' to initializers
Fix
Add 'async' to the containing function
WHEN Using await outside an async function
Add 'async' to the containing function
// Mark the function as async
async function fetchData() {
const result = await fetch('/api/data');
return result.json();
}Why this works
await can only be used inside async functions; the 'async' keyword makes the function return a Promise.
Sources
Official documentation ↗
TypeScript Compiler Diagnostics
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