/
createCompatNavigatorFactory.tsx
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/
createCompatNavigatorFactory.tsx
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import * as React from 'react';
import {
NavigationState,
PartialState,
ParamListBase,
TypedNavigator,
NavigationProp,
RouteProp,
NavigationRouteContext,
} from '@react-navigation/native';
import CompatScreen from './CompatScreen';
import ScreenPropsContext from './ScreenPropsContext';
import createCompatNavigationProp from './createCompatNavigationProp';
import type { CompatScreenType, CompatRouteConfig } from './types';
export default function createCompatNavigatorFactory<
CreateNavigator extends () => TypedNavigator<
ParamListBase,
NavigationState,
{},
any,
React.ComponentType<any>
>
>(createNavigator: CreateNavigator) {
// @ts-ignore
if (createNavigator.isCompat) {
throw new Error(
`The navigator is already in compat mode. You don't need to wrap it in 'createCompatNavigatorFactory'.`
);
}
const createCompatNavigator = <
NavigationPropType extends NavigationProp<any, any, any, any, any>,
ParamList extends ParamListBase = NavigationPropType extends NavigationProp<
infer P
>
? P
: ParamListBase,
ScreenOptions extends {} = NavigationPropType extends NavigationProp<
any,
any,
any,
infer O
>
? O
: {},
NavigationConfig extends {} = React.ComponentProps<
ReturnType<CreateNavigator>['Navigator']
>
>(
routeConfig: CompatRouteConfig<NavigationPropType>,
navigationConfig: Partial<Omit<NavigationConfig, 'screenOptions'>> & {
order?: Extract<keyof ParamList, string>[];
defaultNavigationOptions?: ScreenOptions;
navigationOptions?: Record<string, any>;
} = {}
) => {
const Pair = createNavigator();
const {
order,
defaultNavigationOptions,
navigationOptions: parentNavigationOptions,
...restConfig
} = navigationConfig;
const routeNames = order !== undefined ? order : Object.keys(routeConfig);
function Navigator({ screenProps }: { screenProps?: unknown }) {
const parentRouteParams = React.useContext(NavigationRouteContext)
?.params;
const screens = React.useMemo(
() =>
routeNames.map((name) => {
let getScreenComponent: () => CompatScreenType<NavigationPropType>;
let initialParams;
const routeConfigItem = routeConfig[name];
if ('getScreen' in routeConfigItem) {
getScreenComponent = routeConfigItem.getScreen;
initialParams = routeConfigItem.params;
} else if ('screen' in routeConfigItem) {
getScreenComponent = () => routeConfigItem.screen;
initialParams = routeConfigItem.params;
} else {
getScreenComponent = () => routeConfigItem;
}
const screenOptions = ({
navigation,
route,
}: {
navigation: NavigationPropType;
route: RouteProp<ParamList, keyof ParamList> & {
state?: NavigationState | PartialState<NavigationState>;
};
}) => {
// @ts-ignore
const routeNavigationOptions = routeConfigItem.navigationOptions;
const screenNavigationOptions = getScreenComponent()
.navigationOptions;
if (
routeNavigationOptions == null &&
screenNavigationOptions == null
) {
return undefined;
}
const options =
typeof routeNavigationOptions === 'function' ||
typeof screenNavigationOptions === 'function'
? {
navigation: createCompatNavigationProp<
NavigationPropType,
ParamList
>(navigation, route, {}),
navigationOptions: defaultNavigationOptions || {},
screenProps,
}
: {};
return {
...(typeof routeNavigationOptions === 'function'
? routeNavigationOptions(options)
: routeNavigationOptions),
...(typeof screenNavigationOptions === 'function'
? (screenNavigationOptions as (o: any) => ScreenOptions)(
options
)
: screenNavigationOptions),
} as ScreenOptions;
};
return (
<Pair.Screen
key={name}
name={name}
initialParams={{ ...parentRouteParams, ...initialParams }}
options={screenOptions}
>
{({ navigation, route }) => (
<CompatScreen
navigation={navigation}
route={route}
component={getScreenComponent()}
/>
)}
</Pair.Screen>
);
}),
[parentRouteParams, screenProps]
);
return (
<ScreenPropsContext.Provider value={screenProps}>
<Pair.Navigator
{...(restConfig as NavigationConfig)}
screenOptions={defaultNavigationOptions}
>
{screens}
</Pair.Navigator>
</ScreenPropsContext.Provider>
);
}
Navigator.navigationOptions = parentNavigationOptions;
return Navigator;
};
Object.defineProperties(createCompatNavigator, {
isCompat: {
get() {
return true;
},
},
router: {
get() {
throw new Error(
"It's no longer possible to access the router with the 'router' property."
);
},
set() {
throw new Error(
"It's no longer possible to override the router by assigning the 'router' property."
);
},
},
});
return createCompatNavigator;
}