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Determine which props causes React components to re-render
import React, { Component } from 'react';
export default function withPropsChecker(WrappedComponent) {
return class PropsChecker extends Component {
componentWillReceiveProps(nextProps) {
Object.keys(nextProps)
.filter(key => {
return nextProps[key] !== this.props[key];
})
.map(key => {
console.log(
'changed property:',
key,
'from',
this.props[key],
'to',
nextProps[key]
);
});
}
render() {
return <WrappedComponent {...this.props} />;
}
};
}
// Usage
withPropsChecker(MyComponent)
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