EC
TS95001
TypeScriptERRORNotableConfigHIGH confidence

Convert function to an ES2015 class

Production Risk

Build will fail; resolve before shipping.

What this means

A TypeScript diagnostic (TS95001): Convert function to an ES2015 class. This diagnostic is emitted by the TypeScript compiler when convert function to an ES2015 class.

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

TypeScript compiler reports TS95001 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS95001
// Convert function to an ES2015 class

expected output

error TS95001: Convert function to an ES2015 class

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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