Generator implicitly has yield type 'X'. Consider supplying a return type ann...
Production Risk
Build will fail; resolve before shipping.
A strict mode error (TS7025): Generator implicitly has yield type 'X'. Consider supplying a return type annotation.. This diagnostic is emitted by the TypeScript compiler when generator implicitly has yield type 'X'. Consider supplying a return type annotation..
- 1Incorrect TypeScript syntax or type usage
- 2Type mismatch between declared and actual value
TypeScript compiler reports TS7025 during type checking.
// Triggers TS7025 // Generator implicitly has yield type 'X'. Consider supplying a return type annotation.
expected output
error TS7025: Generator implicitly has yield type 'X'. Consider supplying a return type annotation.
Fix
Address the TypeScript diagnostic
WHEN When this error is reported by the compiler
// Run the TypeScript compiler for details: npx tsc --noEmit // Use the TypeScript playground to test your code: // https://www.typescriptlang.org/play
Why this works
Review the full error message and location; the TypeScript handbook provides guidance on each error category.
✕ Suppress with @ts-ignore instead of fixing the type
ts-ignore hides real type errors and makes refactoring unsafe.
TypeScript Compiler Diagnostics
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