EC
TS95009
TypeScriptERRORNotableConfigHIGH confidence

Annotate with type from JSDoc

Production Risk

Build will fail; resolve before shipping.

What this means

A TypeScript diagnostic (TS95009): Annotate with type from JSDoc. This diagnostic is emitted by the TypeScript compiler when annotate with type from JSDoc.

Why it happens
  1. 1Incorrect TypeScript syntax or type usage
  2. 2Type mismatch between declared and actual value
How to reproduce

TypeScript compiler reports TS95009 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS95009
// Annotate with type from JSDoc

expected output

error TS95009: Annotate with type from JSDoc

Fix

Fix the tsconfig.json option

WHEN When a compiler option is invalid or missing

Fix the tsconfig.json option
// tsconfig.json
{
  "compilerOptions": {
    // Review and correct the flagged option
  }
}
// Run: npx tsc --showConfig to see effective config

Why this works

TypeScript validates tsconfig.json options; check the official tsconfig reference for valid values.

Sources
Official documentation ↗

TypeScript Compiler Diagnostics

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