EC
TS2793
TypeScriptERRORNotableTypeHIGH confidence

The call would have succeeded against this implementation, but implementation...

Production Risk

Build will fail; resolve before shipping.

What this means

A type-checking error (TS2793): The call would have succeeded against this implementation, but implementation signatures of overloads are not externally visible.. This diagnostic is emitted by the TypeScript compiler when the call would have succeeded against this implementation, but implementation signatures of overloads are not externally visible..

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

TypeScript compiler reports TS2793 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS2793
// The call would have succeeded against this implementation, but implementation signatures of overloads are not externally visible.

expected output

error TS2793: The call would have succeeded against this implementation, but implementation signatures of overloads are not externally visible.

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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