117 lines
3.2 KiB
JavaScript
117 lines
3.2 KiB
JavaScript
import * as React from 'react';
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import { Dimensions, Platform, StyleSheet, View } from 'react-native';
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import { initialWindowMetrics, SafeAreaFrameContext, SafeAreaInsetsContext, SafeAreaProvider } from 'react-native-safe-area-context';
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const {
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width = 0,
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height = 0
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} = Dimensions.get('window');
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// To support SSR on web, we need to have empty insets for initial values
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// Otherwise there can be mismatch between SSR and client output
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// We also need to specify empty values to support tests environments
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const initialMetrics = Platform.OS === 'web' || initialWindowMetrics == null ? {
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frame: {
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x: 0,
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y: 0,
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width,
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height
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},
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insets: {
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top: 0,
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left: 0,
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right: 0,
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bottom: 0
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}
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} : initialWindowMetrics;
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export default function SafeAreaProviderCompat(_ref) {
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let {
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children,
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style
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} = _ref;
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const insets = React.useContext(SafeAreaInsetsContext);
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if (insets) {
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// If we already have insets, don't wrap the stack in another safe area provider
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// This avoids an issue with updates at the cost of potentially incorrect values
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// https://github.com/react-navigation/react-navigation/issues/174
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return /*#__PURE__*/React.createElement(View, {
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style: [styles.container, style]
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}, children);
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}
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if (Platform.OS === 'web') {
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children = /*#__PURE__*/React.createElement(SafeAreaFrameProvider, {
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initialMetrics: initialMetrics
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}, children);
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}
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return /*#__PURE__*/React.createElement(SafeAreaProvider, {
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initialMetrics: initialMetrics,
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style: style
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}, children);
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}
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// FIXME: On the Web, the safe area frame value doesn't update on resize
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// So we workaround this by measuring the frame on resize
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const SafeAreaFrameProvider = _ref2 => {
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let {
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initialMetrics,
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children
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} = _ref2;
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const element = React.useRef(null);
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const [frame, setFrame] = React.useState(initialMetrics.frame);
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React.useEffect(() => {
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if (element.current == null) {
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return;
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}
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const rect = element.current.getBoundingClientRect();
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setFrame({
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x: rect.x,
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y: rect.y,
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width: rect.width,
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height: rect.height
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});
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let timeout;
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const observer = new ResizeObserver(entries => {
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const entry = entries[0];
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if (entry) {
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const {
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x,
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y,
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width,
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height
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} = entry.contentRect;
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// Debounce the frame updates to avoid too many updates in a short time
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clearTimeout(timeout);
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timeout = setTimeout(() => {
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setFrame({
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x,
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y,
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width,
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height
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});
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}, 100);
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}
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});
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observer.observe(element.current);
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return () => {
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observer.disconnect();
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clearTimeout(timeout);
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};
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}, []);
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return /*#__PURE__*/React.createElement(SafeAreaFrameContext.Provider, {
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value: frame
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}, /*#__PURE__*/React.createElement("div", {
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ref: element,
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style: {
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...StyleSheet.absoluteFillObject,
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pointerEvents: 'none',
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visibility: 'hidden'
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}
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}), children);
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};
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SafeAreaProviderCompat.initialMetrics = initialMetrics;
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const styles = StyleSheet.create({
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container: {
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flex: 1
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}
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});
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//# sourceMappingURL=SafeAreaProviderCompat.js.map
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