33 lines
876 B
JavaScript
33 lines
876 B
JavaScript
import * as React from 'react';
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import {FlatList} from "react-native";
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type Props = {
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data: Array<Object>,
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keyExtractor: Function,
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renderItem: Function,
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updateData: number,
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}
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/**
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* FlatList implementing PureComponent for increased performance.
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*
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* This is a pure component, meaning it will only update if a shallow comparison of state and props is different.
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* To force the component to update, change the value of updateData.
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*/
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export default class PureFlatList extends React.PureComponent<Props> {
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static defaultProps = {
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updateData: null,
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};
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render() {
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return (
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<FlatList
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data={this.props.data}
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keyExtractor={this.props.keyExtractor}
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style={{minHeight: 300, width: '100%'}}
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renderItem={this.props.renderItem}
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/>
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);
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}
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}
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