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import { ErrorBoundary, Focusable, Patch, afterPatch } from '@decky/ui';
import { FC, ReactElement, ReactNode, cloneElement, createElement, memo } from 'react';
import type { Route } from 'react-router';
import {
DeckyGlobalComponentsState,
DeckyGlobalComponentsStateContextProvider,
useDeckyGlobalComponentsState,
} from './components/DeckyGlobalComponentsState';
import {
DeckyRouterState,
DeckyRouterStateContextProvider,
RoutePatch,
RouterEntry,
useDeckyRouterState,
} from './components/DeckyRouterState';
import Logger from './logger';
declare global {
interface Window {
__ROUTER_HOOK_INSTANCE: any;
}
}
const isPatched = Symbol('is patched');
class RouterHook extends Logger {
private router: any;
private memoizedRouter: any;
private gamepadWrapper: any;
private routerState: DeckyRouterState = new DeckyRouterState();
private globalComponentsState: DeckyGlobalComponentsState = new DeckyGlobalComponentsState();
private wrapperPatch: Patch;
private routerPatch?: Patch;
public routes?: any[];
constructor() {
super('RouterHook');
this.log('Initialized');
window.__ROUTER_HOOK_INSTANCE?.deinit?.();
window.__ROUTER_HOOK_INSTANCE = this;
this.gamepadWrapper = Focusable;
let Route: new () => Route;
// Used to store the new replicated routes we create to allow routes to be unpatched.
const processList = (
routeList: any[],
routes: Map<string, RouterEntry> | null,
routePatches: Map<string, Set<RoutePatch>>,
save: boolean,
) => {
this.debug('Route list: ', routeList);
if (save) this.routes = routeList;
let routerIndex = routeList.length;
if (routes) {
if (!routeList[routerIndex - 1]?.length || routeList[routerIndex - 1]?.length !== routes.size) {
if (routeList[routerIndex - 1]?.length && routeList[routerIndex - 1].length !== routes.size) routerIndex--;
const newRouterArray: (ReactElement | JSX.Element)[] = [];
routes.forEach(({ component, props }, path) => {
newRouterArray.push(
<Route path={path} {...props}>
<ErrorBoundary>
{createElement(component)}
</ErrorBoundary>
</Route>,
);
});
routeList[routerIndex] = newRouterArray;
}
}
routeList.forEach((route: Route, index: number) => {
const replaced = toReplace.get(route?.props?.path as string);
if (replaced) {
routeList[index].props.children = replaced;
toReplace.delete(route?.props?.path as string);
}
if (route?.props?.path && routePatches.has(route.props.path as string)) {
toReplace.set(
route?.props?.path as string,
// @ts-ignore
routeList[index].props.children,
);
routePatches.get(route.props.path as string)?.forEach((patch) => {
const oType = routeList[index].props.children.type;
routeList[index].props.children = patch({
...routeList[index].props,
children: {
...cloneElement(routeList[index].props.children),
type: routeList[index].props.children[isPatched] ? oType : (props) => createElement(oType, props),
},
}).children;
routeList[index].props.children[isPatched] = true;
});
}
});
};
let toReplace = new Map<string, ReactNode>();
const DeckyWrapper = ({ children }: { children: ReactElement }) => {
const { routes, routePatches } = useDeckyRouterState();
const mainRouteList = children.props.children[0].props.children;
const ingameRouteList = children.props.children[1].props.children; // /appoverlay and /apprunning
processList(mainRouteList, routes, routePatches, true);
processList(ingameRouteList, null, routePatches, false);
this.debug('Rerendered routes list');
return children;
};
let renderedComponents: ReactElement[] = [];
const DeckyGlobalComponentsWrapper = () => {
const { components } = useDeckyGlobalComponentsState();
if (renderedComponents.length != components.size) {
this.debug('Rerendering global components');
renderedComponents = Array.from(components.values()).map((GComponent) => <GComponent />);
}
return <>{renderedComponents}</>;
};
this.wrapperPatch = afterPatch(this.gamepadWrapper, 'render', (_: any, ret: any) => {
if (ret?.props?.children?.props?.children?.length == 5 || ret?.props?.children?.props?.children?.length == 4) {
const idx = ret?.props?.children?.props?.children?.length == 4 ? 1 : 2;
const potentialSettingsRootString =
ret.props.children.props.children[idx]?.props?.children?.[0]?.type?.type?.toString() || '';
if (potentialSettingsRootString?.includes('Settings.Root()')) {
if (!this.router) {
this.router = ret.props.children.props.children[idx]?.props?.children?.[0]?.type;
this.routerPatch = afterPatch(this.router, 'type', (_: any, ret: any) => {
if (!Route)
Route = ret.props.children[0].props.children.find((x: any) => x.props.path == '/createaccount').type;
const returnVal = (
<DeckyRouterStateContextProvider deckyRouterState={this.routerState}>
<DeckyWrapper>{ret}</DeckyWrapper>
</DeckyRouterStateContextProvider>
);
return returnVal;
});
this.memoizedRouter = memo(this.router.type);
this.memoizedRouter.isDeckyRouter = true;
}
ret.props.children.props.children.push(
<DeckyGlobalComponentsStateContextProvider deckyGlobalComponentsState={this.globalComponentsState}>
<DeckyGlobalComponentsWrapper />
</DeckyGlobalComponentsStateContextProvider>,
);
ret.props.children.props.children[idx].props.children[0].type = this.memoizedRouter;
}
}
return ret;
});
}
addRoute(path: string, component: RouterEntry['component'], props: RouterEntry['props'] = {}) {
this.routerState.addRoute(path, component, props);
}
addPatch(path: string, patch: RoutePatch) {
return this.routerState.addPatch(path, patch);
}
addGlobalComponent(name: string, component: FC) {
this.globalComponentsState.addComponent(name, component);
}
removeGlobalComponent(name: string) {
this.globalComponentsState.removeComponent(name);
}
removePatch(path: string, patch: RoutePatch) {
this.routerState.removePatch(path, patch);
}
removeRoute(path: string) {
this.routerState.removeRoute(path);
}
deinit() {
this.wrapperPatch.unpatch();
this.routerPatch?.unpatch();
}
}
export default RouterHook;
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