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Moku/src/features/discover/components/Search.svelte
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Svelte

<script lang="ts">
import { onDestroy, untrack } from "svelte";
import { gql } from "@api/client";
import { GET_SOURCES } from "@api/queries/extensions";
import { FETCH_SOURCE_MANGA } from "@api/mutations/downloads";
import { FETCH_MANGA } from "@api/mutations/manga";
import { runConcurrent } from "@core/async/batchRequests";
import { deprioritizeQueue } from "@core/cache/imageCache";
import { dedupeSourcesByLang }from "@core/algorithms/filter";
import { shouldHideNsfw } from "@core/util";
import { store, setSearchPrefill, setPreviewManga } from "@store/state.svelte";
import {
toCachedManga,
type CachedManga,
} from "@features/discover/lib/searchFilter";
import type { Manga, Source } from "@types";
import KeywordTab from "./KeywordTab.svelte";
import TagTab from "./TagTab.svelte";
import SourceTab from "./SourceTab.svelte";
const anims = $derived(store.settings.qolAnimations ?? true);
const TABS = ["keyword", "tag", "source"] as const;
let tabsEl = $state<HTMLDivElement | undefined>(undefined);
let tabIndicator = $state({ left: 0, width: 0 });
function updateIndicator() {
if (!tabsEl) return;
const active = tabsEl.querySelector<HTMLElement>(".tab.tabActive");
if (!active) return;
tabIndicator = { left: active.offsetLeft, width: active.offsetWidth };
}
$effect(() => { tab; if (anims) requestAnimationFrame(() => requestAnimationFrame(updateIndicator)); });
const SEARCH_PAGES = 3;
const SEARCH_LIMIT = 200;
const SEARCH_BATCH = 20;
const POPULAR_CACHE_PAGES = 3;
type SearchTab = "keyword" | "tag" | "source";
let tab: SearchTab = $state("keyword");
let pendingPrefill = $state("");
$effect(() => {
if (store.searchPrefill) {
const prefill = store.searchPrefill;
untrack(() => {
pendingPrefill = prefill;
tab = "keyword";
setSearchPrefill("");
});
}
});
let allSources: Source[] = $state([]);
let localSource: Source | null = $state(null);
let loadingSources = $state(false);
const preferredLang = store.settings?.preferredExtensionLang ?? "en";
const availableLangs = $derived(Array.from(new Set<string>(allSources.map((s) => s.lang))).sort());
const hasMultipleLangs = $derived(availableLangs.length > 1);
loadingSources = true;
gql<{ sources: { nodes: Source[] } }>(GET_SOURCES)
.then((d) => {
const nodes = d.sources.nodes;
localSource = nodes.find((src: Source) => src.id === "0") ?? null;
allSources = nodes.filter((src: Source) => src.id !== "0");
startSourceCacheBuild();
popularStart(allSources);
})
.catch(console.error)
.finally(() => { loadingSources = false; });
let popular_raw: Manga[] = $state([]);
let popular_loading = $state(false);
let popular_moreLoading = $state(false);
let popular_abortCtrl: AbortController | null = null;
let popular_sourcePool: Source[] = $state([]);
let popular_sourceCursor = $state(0);
let popular_hasMore = $state(false);
let popular_seenIds = new Set<number>();
let popular_seenTitles = new Set<string>();
const popular_results: (Manga & { _priority: number })[] = $derived(
popular_raw.map((m, i) => ({ ...m, _priority: Math.max(0, 50 - i) }))
);
function popular_push(incoming: Manga[]) {
const toAdd: Manga[] = [];
for (const m of incoming) {
if (shouldHideNsfw(m, store.settings)) continue;
if (popular_seenIds.has(m.id)) continue;
const norm = m.title.toLowerCase().replace(/[^a-z0-9\s]/g, " ").trim();
if (popular_seenTitles.has(norm)) continue;
popular_seenIds.add(m.id);
popular_seenTitles.add(norm);
toAdd.push(m);
}
if (!toAdd.length) return;
popular_raw = [...popular_raw, ...toAdd].slice(0, SEARCH_LIMIT);
}
async function popular_fanOut(signal: AbortSignal) {
const batch = popular_sourcePool.slice(popular_sourceCursor, popular_sourceCursor + SEARCH_BATCH);
if (!batch.length) { popular_hasMore = false; return; }
await runConcurrent(batch, async (src) => {
for (let page = 1; page <= SEARCH_PAGES; page++) {
if (signal.aborted) return;
const key = `${src.id}|POPULAR|All:p${page}`;
let mangas: Manga[];
if (store.searchCache?.has(key)) {
mangas = store.searchCache.get(key)!;
} else {
const result = await gql<{ fetchSourceManga: { mangas: Manga[]; hasNextPage: boolean } }>(
FETCH_SOURCE_MANGA,
{ source: src.id, type: "POPULAR", page, query: null },
signal,
).then((d) => d.fetchSourceManga).catch(() => null);
if (!result || signal.aborted) break;
mangas = result.mangas;
store.searchCache?.set(key, mangas);
if (!result.hasNextPage) { popular_push(mangas); break; }
}
popular_push(mangas);
}
}, signal);
popular_sourceCursor += batch.length;
popular_hasMore = popular_sourceCursor < popular_sourcePool.length;
}
function popularStart(sources: Source[]) {
if (popular_raw.length > 0) return;
popular_abortCtrl?.abort();
const ctrl = new AbortController();
popular_abortCtrl = ctrl;
popular_seenIds.clear();
popular_seenTitles.clear();
popular_raw = [];
popular_sourcePool = dedupeSourcesByLang(sources, preferredLang, store.settings, true);
popular_sourceCursor = 0;
popular_hasMore = false;
popular_moreLoading = false;
popular_loading = true;
(async () => {
try {
while (!ctrl.signal.aborted && popular_sourceCursor < popular_sourcePool.length) {
await popular_fanOut(ctrl.signal);
}
} catch {}
if (!ctrl.signal.aborted) popular_loading = false;
})();
}
export const sourceCache = new Map<number, CachedManga>();
let sourceCacheReady = $state(false);
let sourceCacheLoading = $state(false);
let sourceCacheEnriching = $state(false);
let sourceCacheAbort: AbortController | null = null;
async function buildSourceCache(sources: Source[], signal: AbortSignal) {
const tasks: { src: Source; page: number }[] = [];
for (const src of sources) {
for (let p = 1; p <= POPULAR_CACHE_PAGES; p++) tasks.push({ src, page: p });
}
await runConcurrent(tasks, async ({ src, page }) => {
if (signal.aborted) return;
try {
const cacheKey = `${src.id}|POPULAR|All:p${page}`;
let mangas: Manga[];
if (store.searchCache?.has(cacheKey)) {
mangas = store.searchCache.get(cacheKey)!;
} else {
const d = await gql<{ fetchSourceManga: { mangas: Manga[]; hasNextPage: boolean } }>(
FETCH_SOURCE_MANGA,
{ source: src.id, type: "POPULAR", page },
signal,
);
if (signal.aborted) return;
mangas = d.fetchSourceManga.mangas;
store.searchCache?.set(cacheKey, mangas);
}
for (const m of mangas) {
if (!sourceCache.has(m.id)) sourceCache.set(m.id, toCachedManga(m as any, src.id));
}
} catch (e: any) {
if (e?.name === "AbortError") return;
}
}, signal);
}
async function enrichGenres(signal: AbortSignal) {
const unenriched = [...sourceCache.values()].filter((m) => !m.genreEnriched);
if (!unenriched.length) return;
sourceCacheEnriching = true;
await runConcurrent(unenriched, async (entry) => {
if (signal.aborted) return;
try {
const d = await gql<{ fetchManga: { manga: Manga & { genre: string[]; status: string } } }>(
FETCH_MANGA, { id: entry.id }, signal,
);
if (signal.aborted) return;
const updated = sourceCache.get(entry.id);
if (updated) {
updated.genre = d.fetchManga.manga.genre ?? [];
updated.status = d.fetchManga.manga.status ?? updated.status;
updated.lowerGenres = updated.genre.map((g) => g.toLowerCase());
updated.genreEnriched = true;
}
} catch (e: any) {
if (e?.name === "AbortError") return;
const updated = sourceCache.get(entry.id);
if (updated) updated.genreEnriched = true;
}
}, signal);
if (!signal.aborted) sourceCacheEnriching = false;
}
function startSourceCacheBuild() {
if (sourceCacheLoading || sourceCacheReady) return;
sourceCacheAbort?.abort();
const ctrl = new AbortController();
sourceCacheAbort = ctrl;
sourceCacheLoading = true;
sourceCache.clear();
const dedupedSources = dedupeSourcesByLang(allSources, preferredLang, store.settings, true);
buildSourceCache(dedupedSources, ctrl.signal)
.then(() => {
if (ctrl.signal.aborted) return;
sourceCacheReady = true;
sourceCacheLoading = false;
enrichGenres(ctrl.signal);
})
.catch((e) => {
if (e?.name !== "AbortError") console.error(e);
sourceCacheLoading = false;
});
}
onDestroy(() => {
popular_abortCtrl?.abort();
sourceCacheAbort?.abort();
});
</script>
<div class="root anim-fade-in">
<div class="header">
<span class="heading">Search</span>
<div class="tabs" class:tabs-anims={anims} bind:this={tabsEl}>
{#if anims && tabIndicator.width > 0}
<div class="tab-slide-indicator" style="left:{tabIndicator.left}px;width:{tabIndicator.width}px" aria-hidden="true"></div>
{/if}
<button class="tab" class:tabActive={tab === "keyword"} onclick={() => { deprioritizeQueue(); tab = "keyword"; }}>
<svg width="11" height="11" viewBox="0 0 256 256" fill="currentColor" aria-hidden="true">
<path d="M229.66,218.34l-50.07-50.07a88,88,0,1,0-11.31,11.31l50.06,50.07a8,8,0,0,0,11.32-11.31ZM40,112a72,72,0,1,1,72,72A72.08,72.08,0,0,1,40,112Z"/>
</svg>
Keyword
</button>
<button class="tab" class:tabActive={tab === "tag"} onclick={() => { deprioritizeQueue(); tab = "tag"; }}>
<svg width="11" height="11" viewBox="0 0 256 256" fill="currentColor" aria-hidden="true">
<path d="M224,104H200l8-48a8,8,0,0,0-15.79-2.67L183.79,104H136l8-48a8,8,0,0,0-15.79-2.67L119.79,104H72a8,8,0,0,0,0,16h45.33L105.6,200H56a8,8,0,0,0,0,16H103l-8,48a8,8,0,0,0,15.79,2.67L119.21,216H168l-8,48a8,8,0,0,0,15.79,2.67L184.21,216H232a8,8,0,0,0,0-16H186.67l11.73-80H224a8,8,0,0,0,0-16Zm-69.33,96H101.6L113.33,120h53.07Z"/>
</svg>
Tags
</button>
<button class="tab" class:tabActive={tab === "source"} onclick={() => { deprioritizeQueue(); tab = "source"; }}>
<svg width="11" height="11" viewBox="0 0 256 256" fill="currentColor" aria-hidden="true">
<path d="M224,128a8,8,0,0,1-8,8H40a8,8,0,0,1,0-16H216A8,8,0,0,1,224,128ZM40,72H216a8,8,0,0,0,0-16H40a8,8,0,0,0,0,16ZM216,184H40a8,8,0,0,0,0,16H216a8,8,0,0,0,0-16Z"/>
</svg>
Sources
</button>
</div>
</div>
{#if tab === "keyword"}
<KeywordTab
{allSources}
{availableLangs}
{hasMultipleLangs}
{loadingSources}
{pendingPrefill}
popularResults={popular_results}
popularLoading={popular_loading}
{sourceCache}
onPrefillConsumed={() => (pendingPrefill = "")}
onPreview={setPreviewManga}
/>
{:else if tab === "tag"}
<TagTab
{allSources}
{sourceCache}
{sourceCacheReady}
{sourceCacheLoading}
{sourceCacheEnriching}
onPreview={setPreviewManga}
/>
{:else}
<SourceTab
{allSources}
{availableLangs}
{loadingSources}
{localSource}
onPreview={setPreviewManga}
/>
{/if}
</div>
<style>
.root { display: flex; flex-direction: column; height: 100%; overflow: hidden; }
.header { position: relative; z-index: 100; display: flex; align-items: center; gap: var(--sp-4); padding: var(--sp-4) var(--sp-6); flex-shrink: 0; border-bottom: 1px solid var(--border-dim); }
.heading { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--text-faint); letter-spacing: var(--tracking-wider); text-transform: uppercase; flex-shrink: 0; }
.tabs { margin-left: auto; display: flex; gap: 2px; background: var(--bg-raised); border: 1px solid var(--border-dim); border-radius: var(--radius-md); padding: 2px; position: relative; }
.tab-slide-indicator { position: absolute; top: 2px; bottom: 2px; border-radius: var(--radius-sm); background: var(--accent-muted); border: 1px solid var(--accent-dim); pointer-events: none; z-index: 0; transition: left 0.22s cubic-bezier(0.16,1,0.3,1), width 0.22s cubic-bezier(0.16,1,0.3,1); }
.tab { position: relative; z-index: 1; display: flex; align-items: center; gap: 5px; font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-sm); color: var(--text-faint); white-space: nowrap; transition: background var(--t-base), color var(--t-base); cursor: pointer; border: 1px solid transparent; }
.tab:hover { color: var(--text-muted); }
.tabActive { color: var(--accent-fg); background: var(--accent-muted); border-color: var(--accent-dim); }
.tabs-anims .tabActive { background: transparent; border-color: transparent; }
.tabActive:hover { color: var(--accent-fg); }
</style>