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23 lines
424 B

// Before
class ExampleComponent extends React.Component {
// highlight-range{1-5}
state = {
derivedData: computeDerivedState(
this.props
),
};
// highlight-range{1-12}
componentWillReceiveProps(nextProps) {
if (
this.props.someValue !==
nextProps.someValue
) {
this.setState({
derivedData: computeDerivedState(
nextProps
),
});
}
}
}