TS1183
TypeScriptERRORNotableSyntaxHIGH confidence

An implementation cannot be declared in ambient contexts.

Production Risk

Build will fail; resolve before shipping.

What this means

A syntax error (TS1183): An implementation cannot be declared in ambient contexts.. This diagnostic is emitted by the TypeScript compiler when an implementation cannot be declared in ambient contexts..

Why it happens
  1. 1The function overload signatures do not match the implementation
How to reproduce

TypeScript compiler reports TS1183 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS1183
// An implementation cannot be declared in ambient contexts.

expected output

error TS1183: An implementation cannot be declared in ambient contexts.

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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