EC
TS6662
TypeScriptERRORNotableConfigHIGH confidence

Disable emitting files if any type checking errors are reported.

Production Risk

Build will fail; resolve before shipping.

What this means

A compiler configuration error (TS6662): Disable emitting files if any type checking errors are reported.. This diagnostic is emitted by the TypeScript compiler when disable emitting files if any type checking errors are reported..

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

TypeScript compiler reports TS6662 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS6662
// Disable emitting files if any type checking errors are reported.

expected output

error TS6662: Disable emitting files if any type checking errors are reported.

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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