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kevgathuku/whyDidYouUpdate.js

Created April 25, 2019 17:31
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whyDidYouUpdate.js
componentDidUpdate(prevProps, prevState) {
Object.entries(this.props).forEach(([key, val]) =>
prevProps[key] !== val && console.log(`Prop '${key}' changed`)
);
Object.entries(this.state).forEach(([key, val]) =>
prevState[key] !== val && console.log(`State '${key}' changed`)
);
}
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