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lowiebenoot/why-did-you-render.js

Created June 20, 2017 09:21
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Log why a react component rendered
Raw
why-did-you-render.js
componentDidUpdate(prevProps) {
Object.keys(this.props).forEach(key => {
if (this.props[key] !== prevProps[key]) {
console.log(key, "changed from", prevProps[key], "to", this.props[key]);
}
});
}
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