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27
web/node_modules/rc-util/es/unsafeLifecyclesPolyfill.js
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27
web/node_modules/rc-util/es/unsafeLifecyclesPolyfill.js
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import React from 'react';
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var unsafeLifecyclesPolyfill = function unsafeLifecyclesPolyfill(Component) {
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var prototype = Component.prototype;
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if (!prototype || !prototype.isReactComponent) {
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throw new Error('Can only polyfill class components');
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} // only handle componentWillReceiveProps
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if (typeof prototype.componentWillReceiveProps !== 'function') {
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return Component;
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} // In React 16.9, React.Profiler was introduced together with UNSAFE_componentWillReceiveProps
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// https://reactjs.org/blog/2019/08/08/react-v16.9.0.html#performance-measurements-with-reactprofiler
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if (!React.Profiler) {
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return Component;
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} // Here polyfill get started
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prototype.UNSAFE_componentWillReceiveProps = prototype.componentWillReceiveProps;
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delete prototype.componentWillReceiveProps;
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return Component;
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};
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export default unsafeLifecyclesPolyfill;
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