EC
TS95160
TypeScriptERRORNotableConfigHIGH confidence

Add 'override' modifier

Production Risk

Build will fail; resolve before shipping.

What this means

A TypeScript diagnostic (TS95160): Add 'override' modifier. This diagnostic is emitted by the TypeScript compiler when add 'override' modifier.

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

TypeScript compiler reports TS95160 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS95160
// Add 'override' modifier

expected output

error TS95160: Add 'override' modifier

Fix

Implement all abstract members

WHEN Extending an abstract class

Implement all abstract members
abstract class Base {
  abstract doWork(): void;
}
class Derived extends Base {
  doWork(): void { /* implementation */ }
}

Why this works

All abstract members must be implemented in concrete subclasses.

Sources
Official documentation ↗

TypeScript Compiler Diagnostics

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