EC
TS18006
TypeScriptERRORNotableTypeHIGH confidence

Classes may not have a field named 'constructor'.

Production Risk

Build will fail; resolve before shipping.

What this means

A TypeScript diagnostic (TS18006): Classes may not have a field named 'constructor'.. This diagnostic is emitted by the TypeScript compiler when classes may not have a field named 'constructor'..

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

TypeScript compiler reports TS18006 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS18006
// Classes may not have a field named 'constructor'.

expected output

error TS18006: Classes may not have a field named 'constructor'.

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

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