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import { afterPatch, findModuleChild, unpatch } from 'decky-frontend-lib';
import { ReactElement, createElement, memo } from 'react';
import type { Route, RouteProps } from 'react-router';
import {
DeckyRouterState,
DeckyRouterStateContextProvider,
RoutePatch,
RouterEntry,
useDeckyRouterState,
} from './components/DeckyRouterState';
import Logger from './logger';
declare global {
interface Window {
__ROUTER_HOOK_INSTANCE: any;
}
}
class RouterHook extends Logger {
private router: any;
private memoizedRouter: any;
private gamepadWrapper: any;
private routerState: DeckyRouterState = new DeckyRouterState();
constructor() {
super('RouterHook');
this.log('Initialized');
window.__ROUTER_HOOK_INSTANCE?.deinit?.();
window.__ROUTER_HOOK_INSTANCE = this;
this.gamepadWrapper = findModuleChild((m) => {
if (typeof m !== 'object') return undefined;
for (let prop in m) {
if (m[prop]?.render?.toString()?.includes('["flow-children","onActivate","onCancel","focusClassName",'))
return m[prop];
}
});
let Route: new () => Route;
// Used to store the new replicated routes we create to allow routes to be unpatched.
let toReplace = new Map<string, Route>();
const DeckyWrapper = ({ children }: { children: ReactElement }) => {
const { routes, routePatches } = useDeckyRouterState();
const routeList = children.props.children[0].props.children;
let routerIndex = routeList.length;
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[] = [];
routes.forEach(({ component, props }, path) => {
newRouterArray.push(
<Route path={path} {...props}>
{createElement(component)}
</Route>,
);
});
routeList[routerIndex] = newRouterArray;
}
routeList.forEach((route: Route, index: number) => {
const replaced = toReplace.get(route?.props?.path as string);
if (replaced) {
routeList[index] = 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
createElement(routeList[index].type, routeList[index].props, routeList[index].props.children),
);
routePatches.get(route.props.path as string)?.forEach((patch) => {
routeList[index].props = patch(routeList[index].props);
});
}
});
this.debug('Rerendered routes list');
return children;
};
afterPatch(this.gamepadWrapper, 'render', (_: any, ret: any) => {
if (ret?.props?.children?.props?.children?.length == 5) {
if (
ret.props.children.props.children[2]?.props?.children?.[0]?.type?.type
?.toString()
?.includes('GamepadUI.Settings.Root()')
) {
if (!this.router) {
this.router = ret.props.children.props.children[2]?.props?.children?.[0]?.type;
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[2].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);
}
removePatch(path: string, patch: RoutePatch) {
this.routerState.removePatch(path, patch);
}
removeRoute(path: string) {
this.routerState.removeRoute(path);
}
deinit() {
unpatch(this.gamepadWrapper, 'render');
this.router && unpatch(this.router, 'type');
}
}
export default RouterHook;
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