EC
TS2347
TypeScriptERRORNotableTypeHIGH confidence

Untyped function calls may not accept type arguments.

Production Risk

Build will fail; resolve before shipping.

What this means

A type-checking error (TS2347): Untyped function calls may not accept type arguments.. This diagnostic is emitted by the TypeScript compiler when untyped function calls may not accept type arguments..

Why it happens
  1. 1Incorrect number or type of generic type arguments
How to reproduce

TypeScript compiler reports TS2347 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS2347
// Untyped function calls may not accept type arguments.

expected output

error TS2347: Untyped function calls may not accept type arguments.

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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