@react-navigation/bottom-tabs
Version:
Bottom tab navigator following iOS design guidelines
283 lines (282 loc) • 10.5 kB
JavaScript
"use strict";
import { getHeaderTitle, HeaderTitle } from '@react-navigation/elements';
import { useLocale, useTheme } from '@react-navigation/native';
import Color from 'color';
import { Platform, StyleSheet, View } from 'react-native';
import { isSearchBarAvailableForCurrentPlatform, ScreenStackHeaderCenterView, ScreenStackHeaderLeftView, ScreenStackHeaderRightView, ScreenStackHeaderSearchBarView, SearchBar } from 'react-native-screens';
import { jsx as _jsx, Fragment as _Fragment, jsxs as _jsxs } from "react/jsx-runtime";
const processBarButtonItems = (items, colors, fonts) => {
return items?.map((item, index) => {
if (item.type === 'custom') {
// Handled with `ScreenStackHeaderLeftView` or `ScreenStackHeaderRightView`
return null;
}
if (item.type === 'spacing') {
if (item.spacing == null) {
throw new Error(`Spacing item must have a 'spacing' property defined: ${JSON.stringify(item)}`);
}
return item;
}
if (item.type === 'button' || item.type === 'menu') {
if (item.type === 'menu' && item.menu == null) {
throw new Error(`Menu item must have a 'menu' property defined: ${JSON.stringify(item)}`);
}
const {
badge,
label,
labelStyle,
icon,
...rest
} = item;
let processedItem = {
...rest,
index,
title: label,
titleStyle: {
...fonts.regular,
...labelStyle
},
icon: icon?.type === 'image' ? icon.tinted === false ? {
type: 'imageSource',
imageSource: icon.source
} : {
type: 'templateSource',
templateSource: icon.source
} : icon
};
if (processedItem.type === 'menu' && item.type === 'menu') {
processedItem = {
...processedItem,
menu: {
...processedItem.menu,
items: item.menu.items.map(getMenuItem)
}
};
}
if (badge) {
const badgeBackgroundColor = badge.style?.backgroundColor ?? colors.notification;
const badgeTextColor = typeof badgeBackgroundColor === 'string' && Color(badgeBackgroundColor)?.isLight() ? 'black' : 'white';
processedItem = {
...processedItem,
badge: {
...badge,
value: String(badge.value),
style: {
backgroundColor: badgeBackgroundColor,
color: badgeTextColor,
...fonts.regular,
...badge.style
}
}
};
}
return processedItem;
}
throw new Error(`Invalid item type: ${JSON.stringify(item)}. Valid types are 'button', 'menu', 'custom' and 'spacing'.`);
}).filter(item => item != null);
};
const getMenuItem = item => {
const {
label,
...rest
} = item;
if (rest.type === 'submenu') {
return {
...rest,
title: label,
items: rest.items.map(getMenuItem)
};
}
return {
...rest,
title: label
};
};
export function useHeaderConfig({
headerShadowVisible,
headerLargeStyle,
headerLargeTitleEnabled,
headerLargeTitleShadowVisible,
headerLargeTitleStyle,
headerBackground,
headerLeft,
headerRight,
headerShown,
headerStyle,
headerBlurEffect,
headerTintColor,
headerTitle,
headerTitleAlign,
headerTitleStyle,
headerTransparent,
headerSearchBarOptions,
headerTopInsetEnabled,
route,
title,
unstable_headerLeftItems: headerLeftItems,
unstable_headerRightItems: headerRightItems
}) {
const {
direction
} = useLocale();
const {
colors,
fonts
} = useTheme();
const tintColor = headerTintColor ?? (Platform.OS === 'ios' ? colors.primary : colors.text);
const headerLargeTitleStyleFlattened = StyleSheet.flatten([Platform.select({
ios: fonts.heavy,
default: fonts.medium
}), headerLargeTitleStyle]) || {};
const headerTitleStyleFlattened = StyleSheet.flatten([Platform.select({
ios: fonts.bold,
default: fonts.medium
}), headerTitleStyle]) || {};
const headerStyleFlattened = StyleSheet.flatten(headerStyle) || {};
const headerLargeStyleFlattened = StyleSheet.flatten(headerLargeStyle) || {};
const titleText = getHeaderTitle({
title,
headerTitle
}, route.name);
const titleColor = 'color' in headerTitleStyleFlattened ? headerTitleStyleFlattened.color : headerTintColor ?? colors.text;
const titleFontSize = 'fontSize' in headerTitleStyleFlattened ? headerTitleStyleFlattened.fontSize : undefined;
const titleFontFamily = headerTitleStyleFlattened.fontFamily;
const titleFontWeight = headerTitleStyleFlattened.fontWeight;
const largeTitleFontFamily = headerLargeTitleStyleFlattened.fontFamily;
const largeTitleBackgroundColor = headerLargeStyleFlattened.backgroundColor;
const largeTitleColor = 'color' in headerLargeTitleStyleFlattened ? headerLargeTitleStyleFlattened.color : undefined;
const largeTitleFontSize = 'fontSize' in headerLargeTitleStyleFlattened ? headerLargeTitleStyleFlattened.fontSize : undefined;
const largeTitleFontWeight = headerLargeTitleStyleFlattened.fontWeight;
const headerTitleStyleSupported = {
color: titleColor
};
if (headerTitleStyleFlattened.fontFamily != null) {
headerTitleStyleSupported.fontFamily = headerTitleStyleFlattened.fontFamily;
}
if (titleFontSize != null) {
headerTitleStyleSupported.fontSize = titleFontSize;
}
if (titleFontWeight != null) {
headerTitleStyleSupported.fontWeight = titleFontWeight;
}
const headerBackgroundColor = headerStyleFlattened.backgroundColor ?? (headerBackground != null || headerTransparent ? 'transparent' : colors.card);
const headerLeftElement = headerLeft?.({
tintColor
});
const headerRightElement = headerRight?.({
tintColor
});
const headerTitleElement = typeof headerTitle === 'function' ? headerTitle({
tintColor,
children: titleText
}) : null;
const hasHeaderSearchBar = isSearchBarAvailableForCurrentPlatform && headerSearchBarOptions != null;
const translucent = headerBackground != null || headerTransparent ||
// When using a SearchBar or large title, the header needs to be translucent for it to work on iOS
(hasHeaderSearchBar || headerLargeTitleEnabled) && Platform.OS === 'ios' && headerTransparent !== false;
const isCenterViewRenderedAndroid = headerTitleAlign === 'center';
const leftItems = headerLeftItems?.({
tintColor
});
let rightItems = headerRightItems?.({
tintColor
});
if (rightItems) {
// iOS renders right items in reverse order
// So we need to reverse them here to match the order
rightItems = [...rightItems].reverse();
}
const children = /*#__PURE__*/_jsxs(_Fragment, {
children: [Platform.OS === 'ios' ? /*#__PURE__*/_jsxs(_Fragment, {
children: [leftItems ? leftItems.map((item, index) => {
if (item.type === 'custom') {
return /*#__PURE__*/_jsx(ScreenStackHeaderLeftView
// eslint-disable-next-line @eslint-react/no-array-index-key
, {
hidesSharedBackground: item.hidesSharedBackground,
children: item.element
}, index);
}
return null;
}) : headerLeftElement != null ? /*#__PURE__*/_jsx(ScreenStackHeaderLeftView, {
children: headerLeftElement
}) : null, headerTitleElement != null ? /*#__PURE__*/_jsx(ScreenStackHeaderCenterView, {
children: headerTitleElement
}) : null]
}) : /*#__PURE__*/_jsxs(_Fragment, {
children: [headerLeftElement != null || typeof headerTitle === 'function' ?
/*#__PURE__*/
// The style passed to header left, together with title element being wrapped
// in flex view is reqruied for proper header layout, in particular,
// for the text truncation to work.
_jsxs(ScreenStackHeaderLeftView, {
style: !isCenterViewRenderedAndroid ? {
flex: 1
} : null,
children: [headerLeftElement, headerTitleAlign !== 'center' ? typeof headerTitle === 'function' ? /*#__PURE__*/_jsx(View, {
style: {
flex: 1
},
children: headerTitleElement
}) : /*#__PURE__*/_jsx(View, {
style: {
flex: 1
},
children: /*#__PURE__*/_jsx(HeaderTitle, {
tintColor: tintColor,
style: headerTitleStyleSupported,
children: titleText
})
}) : null]
}) : null, isCenterViewRenderedAndroid ? /*#__PURE__*/_jsx(ScreenStackHeaderCenterView, {
children: typeof headerTitle === 'function' ? headerTitleElement : /*#__PURE__*/_jsx(HeaderTitle, {
tintColor: tintColor,
style: headerTitleStyleSupported,
children: titleText
})
}) : null]
}), Platform.OS === 'ios' && rightItems ? rightItems.map((item, index) => {
if (item.type === 'custom') {
return /*#__PURE__*/_jsx(ScreenStackHeaderRightView
// eslint-disable-next-line @eslint-react/no-array-index-key
, {
hidesSharedBackground: item.hidesSharedBackground,
children: item.element
}, index);
}
return null;
}) : headerRightElement != null ? /*#__PURE__*/_jsx(ScreenStackHeaderRightView, {
children: headerRightElement
}) : null, hasHeaderSearchBar ? /*#__PURE__*/_jsx(ScreenStackHeaderSearchBarView, {
children: /*#__PURE__*/_jsx(SearchBar, {
...headerSearchBarOptions
})
}) : null]
});
return {
backgroundColor: headerBackgroundColor,
blurEffect: headerBlurEffect,
color: tintColor,
direction,
hidden: headerShown === false,
hideShadow: headerShadowVisible === false || headerBackground != null || headerTransparent && headerShadowVisible !== true,
largeTitle: headerLargeTitleEnabled,
largeTitleBackgroundColor,
largeTitleColor,
largeTitleFontFamily,
largeTitleFontSize,
largeTitleFontWeight,
largeTitleHideShadow: headerLargeTitleShadowVisible === false,
title: titleText,
titleColor,
titleFontFamily,
titleFontSize,
titleFontWeight: String(titleFontWeight),
topInsetEnabled: headerTopInsetEnabled,
translucent: translucent === true,
children,
headerLeftBarButtonItems: processBarButtonItems(leftItems, colors, fonts),
headerRightBarButtonItems: processBarButtonItems(rightItems, colors, fonts)
};
}
//# sourceMappingURL=useHeaderConfig.js.map