2344902a7f
The whole app shipped in one bundle, so the logged-out landing and every page pulled all module code. Split into lazy chunks: - main.tsx: lazy App + the public leaves (WatchPage, Privacy, Terms), so a public /watch share link never downloads the authenticated app. - App.tsx: each module page (Feed, Channels, Playlists, Stats, Scheduler, Config, Users, Settings, Notifications, Messages, Downloads, ChannelPage) and the About/ReleaseNotes/Onboarding modals load on demand behind <Suspense>. - Heavy modals lazy in their parents: PlayerModal (Feed, Playlists), DownloadDialog (DownloadButton — kept out of the feed chunk), and the VideoEditor/ShareDialog/ProfileEditor (DownloadCenter). - Extracted focusAccessRequestsTab + the tab constants to lib/adminUsersTab so callers can pre-select the admin tab without statically importing the now lazy-loaded AdminUsers page (which would defeat the split). Build now emits ~25 chunks. Landing no longer downloads any module code (~350 KB deferred); dev landing Perf 93->95. Verified in a real browser: every page + the video editor load with no console errors.
70 lines
2.2 KiB
TypeScript
70 lines
2.2 KiB
TypeScript
import { lazy, Suspense, useState } from "react";
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import { useTranslation } from "react-i18next";
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import { useQuery, useQueryClient } from "@tanstack/react-query";
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import { Download } from "lucide-react";
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import clsx from "clsx";
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// Lazy: the download dialog (+ its profile editor) loads only when a card's download button is
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// clicked, so it never ships in the feed chunk for the majority who just browse.
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const DownloadDialog = lazy(() => import("./DownloadDialog"));
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import { api, type Me } from "../lib/api";
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// Self-contained download affordance for a video card / the player. Hidden for the demo account
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// (downloads spend server disk + need a real identity). Reflects the video's current state from
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// the shared per-user download index (one polled query shared across every card).
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export default function DownloadButton({
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videoId,
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title,
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className,
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}: {
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videoId: string;
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title?: string | null;
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className?: string;
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}) {
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const { t } = useTranslation();
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const qc = useQueryClient();
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const me = qc.getQueryData<Me>(["me"]);
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const isDemo = !!me?.is_demo;
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const indexQ = useQuery({
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queryKey: ["download-index"],
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queryFn: api.downloadIndex,
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enabled: !isDemo,
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staleTime: 10000,
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});
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const [open, setOpen] = useState(false);
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if (isDemo) return null;
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const status = indexQ.data?.[videoId];
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const downloaded = status === "done";
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const inQueue = status === "queued" || status === "running" || status === "paused";
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const label = downloaded
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? t("downloads.button.downloaded")
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: inQueue
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? t("downloads.button.queued")
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: t("downloads.button.label");
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return (
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<>
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<button
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onClick={(e) => {
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e.preventDefault();
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e.stopPropagation();
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setOpen(true);
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}}
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title={label}
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className={clsx(
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className ?? "p-1.5 rounded-md hover:bg-surface text-muted hover:text-fg",
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(downloaded || inQueue) && "text-accent"
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)}
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>
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<Download className={clsx("w-4 h-4", inQueue && "animate-pulse")} />
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</button>
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{open && (
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<Suspense fallback={null}>
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<DownloadDialog source={videoId} title={title} onClose={() => setOpen(false)} />
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</Suspense>
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)}
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</>
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);
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}
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