TS2338
TypeScriptERRORNotableTypeHIGH confidence

'super' property access is permitted only in a constructor, member function, ...

Production Risk

Build will fail; resolve before shipping.

What this means

A type-checking error (TS2338): 'super' property access is permitted only in a constructor, member function, or member accessor of a derived class.. This diagnostic is emitted by the TypeScript compiler when 'super' property access is permitted only in a constructor, member function, or member accessor of a derived 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 TS2338 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS2338
// 'super' property access is permitted only in a constructor, member function, or member accessor of a derived class.

expected output

error TS2338: 'super' property access is permitted only in a constructor, member function, or member accessor of a derived class.

Fix

Address the TypeScript diagnostic

WHEN When this error is reported by the compiler

Address the TypeScript diagnostic
// Run the TypeScript compiler for details:
npx tsc --noEmit
// Use the TypeScript playground to test your code:
// https://www.typescriptlang.org/play

Why this works

Review the full error message and location; the TypeScript handbook provides guidance on each error category.

Sources
Official documentation ↗

TypeScript Compiler Diagnostics

Content generated with AI assistance and reviewed for accuracy. Found an error? hello@errcodes.dev

← All TypeScript errors