| 1 | import { Component } from 'preact';
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| 2 | import { shallowDiffers } from './util';
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| 3 |
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| 4 | /**
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| 5 | * Component class with a predefined `shouldComponentUpdate` implementation
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| 6 | */
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| 7 | export function PureComponent(p) {
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| 8 | this.props = p;
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| 9 | }
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| 10 | PureComponent.prototype = new Component();
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| 11 | // Some third-party libraries check if this property is present
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| 12 | PureComponent.prototype.isPureReactComponent = true;
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| 13 | PureComponent.prototype.shouldComponentUpdate = function(props, state) {
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| 14 | return shallowDiffers(this.props, props) || shallowDiffers(this.state, state);
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| 15 | };
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