EC
TS6115
TypeScriptERRORNotableConfigHIGH confidence

Raise error on 'this' expressions with an implied 'any' type.

Production Risk

Build will fail; resolve before shipping.

What this means

A compiler configuration error (TS6115): Raise error on 'this' expressions with an implied 'any' type.. This diagnostic is emitted by the TypeScript compiler when raise error on 'this' expressions with an implied 'any' type..

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

TypeScript compiler reports TS6115 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS6115
// Raise error on 'this' expressions with an implied 'any' type.

expected output

error TS6115: Raise error on 'this' expressions with an implied 'any' type.

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.

What not to do

✕ Suppress with @ts-ignore instead of fixing the type

ts-ignore hides real type errors and makes refactoring unsafe.

Sources
Official documentation ↗

TypeScript Compiler Diagnostics

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