TS2368
TypeScriptERRORNotableTypeHIGH confidence
Type parameter name cannot be 'X'.
Production Risk
Build will fail; resolve before shipping.
What this means
A type-checking error (TS2368): Type parameter name cannot be 'X'.. This diagnostic is emitted by the TypeScript compiler when type parameter name cannot be 'X'..
Why it happens
- 1Incorrect number or type of generic type arguments
How to reproduce
TypeScript compiler reports TS2368 during type checking.
trigger — this will error
trigger — this will error
// Triggers TS2368 // Type parameter name cannot be 'X'.
expected output
error TS2368: Type parameter name cannot be 'X'.
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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