EC
TS2745
TypeScriptERRORNotableTypeHIGH confidence

This JSX tag's 'X' prop expects type 'X' which requires multiple children, bu...

Production Risk

Build will fail; resolve before shipping.

What this means

A type-checking error (TS2745): This JSX tag's 'X' prop expects type 'X' which requires multiple children, but only a single child was provided.. This diagnostic is emitted by the TypeScript compiler when this JSX tag's 'X' prop expects type 'X' which requires multiple children, but only a single child was provided..

Why it happens
  1. 1JSX syntax used without enabling '--jsx' compiler option
  2. 2Missing React or JSX runtime import
How to reproduce

TypeScript compiler reports TS2745 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS2745
// This JSX tag's 'X' prop expects type 'X' which requires multiple children, but only a single child was provided.

expected output

error TS2745: This JSX tag's 'X' prop expects type 'X' which requires multiple children, but only a single child was provided.

Fix

Enable JSX in tsconfig.json

WHEN Using JSX syntax in TypeScript files

Enable JSX in tsconfig.json
// tsconfig.json
{
  "compilerOptions": {
    "jsx": "react-jsx"  // or "react", "preserve", etc.
  }
}

Why this works

The '--jsx' option tells TypeScript how to transform JSX; choose 'react-jsx' for React 17+ or 'react' for older versions.

Sources
Official documentation ↗

TypeScript Compiler Diagnostics

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