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react/jsx-no-undef Correctness ​

✅ This rule is turned on by default.

What it does ​

Disallow undeclared variables in JSX

Why is this bad? ​

It is most likely a potential ReferenceError caused by a misspelling of a variable or parameter name.

Example ​

jsx
const A = () => <App />;
const C = <B />;

References ​

Released under the MIT License.