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96 lines
3.7 KiB
96 lines
3.7 KiB
import { EventEmitter } from 'expo-modules-core';
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import React, { useEffect, useState, useRef, useMemo } from 'react';
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import { Animated, StyleSheet, Text, Platform, View } from 'react-native';
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import DevLoadingViewNativeModule from './DevLoadingViewNativeModule';
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import { getInitialSafeArea } from './getInitialSafeArea';
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export default function DevLoadingView() {
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const [message, setMessage] = useState('Refreshing...');
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const [isDevLoading, setIsDevLoading] = useState(false);
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const [isAnimating, setIsAnimating] = useState(false);
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const translateY = useRef(new Animated.Value(0)).current;
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const emitter = useMemo(() => {
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try {
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return new EventEmitter(DevLoadingViewNativeModule);
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}
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catch (error) {
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throw new Error('Failed to instantiate native emitter in `DevLoadingView` because the native module `DevLoadingView` is undefined: ' +
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error.message);
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}
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}, []);
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useEffect(() => {
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if (!emitter)
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return;
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function handleShowMessage(event) {
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setMessage(event.message);
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// TODO: if we show the refreshing banner and don't get a hide message
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// for 3 seconds, warn the user that it's taking a while and suggest
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// they reload
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translateY.setValue(0);
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setIsDevLoading(true);
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}
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function handleHide() {
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// TODO: if we showed the 'refreshing' banner less than 250ms ago, delay
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// switching to the 'finished' banner
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setIsAnimating(true);
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setIsDevLoading(false);
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Animated.timing(translateY, {
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toValue: 150,
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delay: 1000,
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duration: 350,
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useNativeDriver: Platform.OS !== 'web',
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}).start(({ finished }) => {
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if (finished) {
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setIsAnimating(false);
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translateY.setValue(0);
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}
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});
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}
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const showMessageSubscription = emitter.addListener('devLoadingView:showMessage', handleShowMessage);
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const hideSubscription = emitter.addListener('devLoadingView:hide', handleHide);
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return function cleanup() {
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showMessageSubscription.remove();
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hideSubscription.remove();
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};
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}, [translateY, emitter]);
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if (!isDevLoading && !isAnimating) {
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return null;
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}
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return (React.createElement(Animated.View, { style: [styles.animatedContainer, { transform: [{ translateY }] }], pointerEvents: "none" },
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React.createElement(View, { style: styles.banner },
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React.createElement(View, { style: styles.contentContainer },
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React.createElement(View, { style: { flexDirection: 'row' } },
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React.createElement(Text, { style: styles.text }, message)),
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React.createElement(View, { style: { flex: 1 } },
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React.createElement(Text, { style: styles.subtitle }, isDevLoading ? 'Using Fast Refresh' : "Don't see your changes? Reload the app"))))));
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}
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const styles = StyleSheet.create({
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animatedContainer: {
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position: 'absolute',
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bottom: 0,
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left: 0,
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right: 0,
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zIndex: 42, // arbitrary
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},
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banner: {
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flex: 1,
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overflow: 'visible',
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backgroundColor: 'rgba(0,0,0,0.75)',
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paddingBottom: getInitialSafeArea().bottom,
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},
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contentContainer: {
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flex: 1,
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paddingTop: 10,
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paddingBottom: 5,
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alignItems: 'center',
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justifyContent: 'center',
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textAlign: 'center',
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},
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text: {
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color: '#fff',
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fontSize: 15,
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},
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subtitle: {
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color: 'rgba(255,255,255,0.8)',
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},
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});
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//# sourceMappingURL=DevLoadingView.js.map
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