EC
TS6612
TypeScriptERRORNotableConfigHIGH confidence

Generate .d.ts files from TypeScript and JavaScript files in your project.

Production Risk

Build will fail; resolve before shipping.

What this means

A compiler configuration error (TS6612): Generate .d.ts files from TypeScript and JavaScript files in your project.. This diagnostic is emitted by the TypeScript compiler when generate .d.ts files from TypeScript and JavaScript files in your project..

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

TypeScript compiler reports TS6612 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS6612
// Generate .d.ts files from TypeScript and JavaScript files in your project.

expected output

error TS6612: Generate .d.ts files from TypeScript and JavaScript files in your project.

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

Content generated with AI assistance and reviewed for accuracy. Found an error? hello@errcodes.dev

← All TypeScript errors