EC
TS6608
TypeScriptERRORNotableConfigHIGH confidence

No longer supported. In early versions, manually set the text encoding for re...

Production Risk

Build will fail; resolve before shipping.

What this means

A compiler configuration error (TS6608): No longer supported. In early versions, manually set the text encoding for reading files.. This diagnostic is emitted by the TypeScript compiler when no longer supported. In early versions, manually set the text encoding for reading files..

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

TypeScript compiler reports TS6608 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS6608
// No longer supported. In early versions, manually set the text encoding for reading files.

expected output

error TS6608: No longer supported. In early versions, manually set the text encoding for reading files.

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