mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Micha Reiser
93377ff508
Summary: ES Modules implicitly enable strict mode. Adding the "use strict" directive is, therefore, not required. This diff removes all "use strict" directives from ES modules. Changelog: [Internal] Reviewed By: motiz88 Differential Revision: D26172715 fbshipit-source-id: 57957bcbb672c4c3e62b1db633cf425c1c9d6430
73 lines
1.7 KiB
JavaScript
73 lines
1.7 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict-local
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* @format
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*/
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import type {Node} from 'react';
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import {ImageBackground, StyleSheet, Text, useColorScheme} from 'react-native';
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import React from 'react';
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import Colors from './Colors';
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import HermesBadge from './HermesBadge';
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const Header = (): Node => {
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const isDarkMode = useColorScheme() === 'dark';
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return (
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<ImageBackground
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accessibilityRole="image"
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source={require('./logo.png')}
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style={[
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styles.background,
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{
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backgroundColor: isDarkMode ? Colors.darker : Colors.lighter,
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},
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]}
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imageStyle={styles.logo}>
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<HermesBadge />
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<Text
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style={[
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styles.text,
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{
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color: isDarkMode ? Colors.white : Colors.black,
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},
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]}>
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Welcome to
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{'\n'}
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React Native
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</Text>
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</ImageBackground>
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);
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};
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const styles = StyleSheet.create({
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background: {
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paddingBottom: 40,
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paddingTop: 96,
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paddingHorizontal: 32,
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},
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logo: {
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opacity: 0.2,
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overflow: 'visible',
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resizeMode: 'cover',
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/*
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* These negative margins allow the image to be offset similarly across screen sizes and component sizes.
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*
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* The source logo.png image is 512x512px, so as such, these margins attempt to be relative to the
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* source image's size.
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*/
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marginLeft: -128,
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marginBottom: -192,
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},
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text: {
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fontSize: 40,
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fontWeight: '700',
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textAlign: 'center',
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},
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});
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export default Header;
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