EC
TS2315
TypeScriptERRORNotableTypeHIGH confidence

Type 'X' is not generic.

Production Risk

Build will fail; resolve before shipping.

What this means

A type-checking error (TS2315): Type 'X' is not generic.. This diagnostic is emitted by the TypeScript compiler when type 'X' is not generic..

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

TypeScript compiler reports TS2315 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS2315
// Type 'X' is not generic.

expected output

error TS2315: Type 'X' is not generic.

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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