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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { EventEmitter } from 'eventemitter3';
import type { Router, Resolved, RouteDef, RouterEvent, RouterFlag } from '@/router.js';
import type { App, ShallowRef } from 'vue';
import { analytics } from '@/analytics.js';
/**
* {@link Router}による画面遷移を可能とするために{@link mainRouter}をセットアップする。
* また、{@link Router}のインスタンスを作成するためのファクトリも{@link provide}経由で公開する（`routerFactory`というキーで取得可能）
*/
export function setupRouter(app: App, routerFactory: ((path: string) => Router)): void {
app.provide('routerFactory', routerFactory);
const mainRouter = routerFactory(location.pathname + location.search + location.hash);
window.addEventListener('popstate', (event) => {
mainRouter.replace(location.pathname + location.search + location.hash);
});
mainRouter.addListener('push', ctx => {
window.history.pushState({ }, '', ctx.path);
});
mainRouter.addListener('replace', ctx => {
window.history.replaceState({ }, '', ctx.path);
});
mainRouter.addListener('change', ctx => {
console.log('mainRouter: change', ctx.path);
analytics.page({
path: ctx.path,
title: ctx.path,
});
});
mainRouter.init();
setMainRouter(mainRouter);
}
function getMainRouter(): Router {
const router = mainRouterHolder;
if (!router) {
throw new Error('mainRouter is not found.');
}
return router;
}
/**
* メインルータを設定する。一度設定すると、それ以降は変更できない。
* {@link setupRouter}から呼び出されることのみを想定している。
*/
export function setMainRouter(router: Router) {
if (mainRouterHolder) {
throw new Error('mainRouter is already exists.');
}
mainRouterHolder = router;
}
/**
* {@link mainRouter}用のプロキシ実装。
* {@link mainRouter}は起動シーケンスの一部にて初期化されるため、僅かにundefinedになる期間がある。
* その僅かな期間のためだけに型をundefined込みにしたくないのでこのクラスを緩衝材として使用する。
*/
class MainRouterProxy implements Router {
private supplier: () => Router;
constructor(supplier: () => Router) {
this.supplier = supplier;
}
get current(): Resolved {
return this.supplier().current;
}
get currentRef(): ShallowRef<Resolved> {
return this.supplier().currentRef;
}
get currentRoute(): ShallowRef<RouteDef> {
return this.supplier().currentRoute;
}
get navHook(): ((path: string, flag?: RouterFlag) => boolean) | null {
return this.supplier().navHook;
}
set navHook(value) {
this.supplier().navHook = value;
}
getCurrentPath(): string {
return this.supplier().getCurrentPath();
}
push(path: string, flag?: RouterFlag): void {
this.supplier().push(path, flag);
}
replace(path: string, key?: string | null): void {
this.supplier().replace(path, key);
}
resolve(path: string): Resolved | null {
return this.supplier().resolve(path);
}
init(): void {
this.supplier().init();
}
eventNames(): Array<EventEmitter.EventNames<RouterEvent>> {
return this.supplier().eventNames();
}
listeners<T extends EventEmitter.EventNames<RouterEvent>>(
event: T,
): Array<EventEmitter.EventListener<RouterEvent, T>> {
return this.supplier().listeners(event);
}
listenerCount(
event: EventEmitter.EventNames<RouterEvent>,
): number {
return this.supplier().listenerCount(event);
}
emit<T extends EventEmitter.EventNames<RouterEvent>>(
event: T,
...args: EventEmitter.EventArgs<RouterEvent, T>
): boolean {
return this.supplier().emit(event, ...args);
}
on<T extends EventEmitter.EventNames<RouterEvent>>(
event: T,
fn: EventEmitter.EventListener<RouterEvent, T>,
context?: any,
): this {
this.supplier().on(event, fn, context);
return this;
}
addListener<T extends EventEmitter.EventNames<RouterEvent>>(
event: T,
fn: EventEmitter.EventListener<RouterEvent, T>,
context?: any,
): this {
this.supplier().addListener(event, fn, context);
return this;
}
once<T extends EventEmitter.EventNames<RouterEvent>>(
event: T,
fn: EventEmitter.EventListener<RouterEvent, T>,
context?: any,
): this {
this.supplier().once(event, fn, context);
return this;
}
removeListener<T extends EventEmitter.EventNames<RouterEvent>>(
event: T,
fn?: EventEmitter.EventListener<RouterEvent, T>,
context?: any,
once?: boolean,
): this {
this.supplier().removeListener(event, fn, context, once);
return this;
}
off<T extends EventEmitter.EventNames<RouterEvent>>(
event: T,
fn?: EventEmitter.EventListener<RouterEvent, T>,
context?: any,
once?: boolean,
): this {
this.supplier().off(event, fn, context, once);
return this;
}
removeAllListeners(
event?: EventEmitter.EventNames<RouterEvent>,
): this {
this.supplier().removeAllListeners(event);
return this;
}
}
let mainRouterHolder: Router | null = null;
export const mainRouter: Router = new MainRouterProxy(getMainRouter);
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