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src.ts
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src.ts
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import {
RefObject,
} from 'react';
import {
NavigationState,
NavigationParams,
NavigationContainerComponent,
NavigationNavigateAction,
NavigationResetAction,
NavigationPopToTopAction,
NavigationActions,
StackActions,
} from 'react-navigation';
interface Navigator extends NavigationContainerComponent {
state: {
nav: NavigationState;
};
subs: {
remove: () => void;
};
}
const navigatorsByName: {
[routeName: string]: Navigator | undefined;
} = {};
export const setNavigationContainer = (
navigationName: string,
{
current: navigationContainerNode,
}: RefObject<NavigationContainerComponent>,
needRemoveSubs?: boolean,
) => {
if (navigationContainerNode != null) {
const navigator = (navigationContainerNode as Navigator);
if (needRemoveSubs) {
const { subs } = navigator;
if (subs != null) {
subs.remove();
}
}
navigatorsByName[navigationName] = navigator;
}
};
export const createNavigation = (navigationRouteName: string) => ({
navigate: (
routeName: string,
params?: NavigationParams,
action?: NavigationNavigateAction,
key?: string,
) => {
const navigator = navigatorsByName[navigationRouteName];
if (navigator != null) {
const navigationAction = NavigationActions.navigate({
routeName,
params,
action,
key,
});
navigator.dispatch(navigationAction);
}
},
setParams: (params: NavigationParams, key?: string) => {
const navigator = navigatorsByName[navigationRouteName];
if (navigator != null) {
const {
state: {
nav: {
routes,
index,
},
},
} = navigator;
const action = NavigationActions.setParams({
key: key || routes[index].key,
params,
});
navigator.dispatch(action);
}
},
goBack: (key?: string | null) => {
const navigator = navigatorsByName[navigationRouteName];
if (navigator != null) {
const action = NavigationActions.back({ key });
navigator.dispatch(action);
}
},
push: (
routeName: string,
params?: NavigationParams,
action?: NavigationNavigateAction,
key?: string,
) => {
const navigator = navigatorsByName[navigationRouteName];
if (navigator != null) {
const pushAction = StackActions.push({
routeName,
params,
action,
key,
});
navigator.dispatch(pushAction);
}
},
pop: (n?: number) => {
const navigator = navigatorsByName[navigationRouteName];
if (navigator != null) {
const action = StackActions.pop({ n });
navigator.dispatch(action);
}
},
reset: (routeName?: string | string[], params?: NavigationParams) => {
const navigator = navigatorsByName[navigationRouteName];
if (navigator != null) {
let action: NavigationResetAction | NavigationPopToTopAction;
if (routeName) {
const actions: NavigationNavigateAction[] = [];
let index: number;
if (Array.isArray(routeName)) {
index = routeName.length - 1;
routeName.forEach((rn, i) => {
const payload: {
routeName: string;
params?: NavigationParams;
action?: NavigationNavigateAction;
key?: string;
} = { routeName: rn };
if (i === index && params) {
payload.params = params;
}
actions.push(NavigationActions.navigate(payload));
});
} else {
actions.push(NavigationActions.navigate({ routeName, params }));
index = 0;
}
action = StackActions.reset({ actions, index });
} else {
action = StackActions.popToTop({});
}
navigator.dispatch(action);
}
},
getCanNavigateBack: () => {
const navigator = navigatorsByName[navigationRouteName];
if (navigator != null) {
const {
state: {
nav: {
index,
},
},
} = navigator;
return index > 0;
}
return false;
},
getCurrentRouteName: (): string | null => {
const navigator = navigatorsByName[navigationRouteName];
if (navigator != null) {
const {
state: {
nav: {
routes,
index,
},
},
} = navigator;
const { routeName } = routes[index];
return routeName;
}
return null;
},
});