EC
TS95130
TypeScriptERRORNotableConfigHIGH confidence

This file already has a default export

Production Risk

Build will fail; resolve before shipping.

What this means

A TypeScript diagnostic (TS95130): This file already has a default export. This diagnostic is emitted by the TypeScript compiler when this file already has a default export.

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

TypeScript compiler reports TS95130 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS95130
// This file already has a default export

expected output

error TS95130: This file already has a default export

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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