react/no-render-return-value Correctness

✅ This rule is turned on by default.

What it does

This rule will warn you if you try to use the ReactDOM.render() return value.

Why is this bad?

Using the return value from ReactDOM.render() is a legacy feature and should not be used.

Example

Examples of incorrect code for this rule:

vaa inst =ReactDOM.render(<App />, document.body);
function render() {
 return ReactDOM.render(<App />, document.body);
}

Examples of correct code for this rule:

ReactDOM.render(<App />, document.body);

References

• Rule Source