Files
mangaBookmark/userscript/manga-bookmark.user.js
T

1337 lines
49 KiB
JavaScript

// ==UserScript==
// @name Manga Bookmark Sync
// @namespace mangabm
// @version 1.4.0
// @description Track read progress on Asura & Demonic and sync to a self-hosted backend. Bromite-compatible (no GM_* APIs).
// @author you
// @match https://asuracomic.net/*
// @match https://asurascans.com/*
// @match https://demonicscans.org/*
// @run-at document-idle
// @noframes
// ==/UserScript==
(function () {
"use strict";
// ============================================================
// CONFIG — fill these in before installing.
// ============================================================
const API_BASE = "https://manga-api.violetcrown.my.id"; // your backend origin, no trailing slash
const API_TOKEN = "40d79969b5442f90df4fe306a092c7c50e7b4a7a98099f98cc398f4fb374b1df"; // must equal backend API_TOKEN
const WEB_BASE = "https://manga.violetcrown.my.id"; // the browser UI, for the panel's nav chips
// Safe in Bromite's isolated world: the page's own JS cannot read these.
const CACHE_KEY = "mangabm:cache";
// Per-device record of when each series was last checked for new chapters.
// Deliberately not synced: each device does its own checking.
const LASTCHECKED_KEY = "mangabm:lastchecked";
const LATEST_CHECK_THROTTLE_MS = 4 * 60 * 60 * 1000;
const LATEST_CHECK_BATCH = 1; // series fetched per navigation
// ============================================================
// Site adapters
//
// Page type + IDs come from URL regex (most stable); title/cover come from
// og: meta tags. Verified live 2026-07-24 against asurascans.com and
// demonicscans.org — see README "Adapter reference".
// ============================================================
function meta(prop) {
const el = document.querySelector('meta[property="' + prop + '"]');
return el ? el.getAttribute("content") : null;
}
// Chapter lists are read from two places: the page we are standing on, and
// series pages fetched in the background. Both are reduced to {href, text}
// pairs so each adapter needs only one rule for picking the latest chapter.
function anchorsFromDocument(doc) {
return Array.from(doc.querySelectorAll("a[href]")).map((a) => ({
href: a.getAttribute("href") || "",
text: a.textContent || "",
}));
}
// A fetched page is raw text; DOMParser would run against markup we do not
// control, so anchors are pulled out directly instead.
function anchorsFromHTML(html) {
const re = /<a\b[^>]*\shref\s*=\s*["']([^"']*)["'][^>]*>([\s\S]*?)<\/a>/gi;
const out = [];
let m;
while ((m = re.exec(html))) {
out.push({ href: m[1], text: m[2].replace(/<[^>]*>/g, " ") });
}
return out;
}
// Asura appends a site-wide build hash to every slug
// ("...-059befe1"); it rotates on each redeploy, so it must not be part
// of the series identity — old keys can never match pages after a
// redeploy. Only the ID strips it; seriesUrl keeps the full slug because
// navigation needs the current hash (stale ones 302). Must stay in sync
// with asuraBuildHash in backend/store.go.
// ponytail: a real title ending in exactly 8 hex chars would lose its
// last segment; none known.
function stripBuildHash(slug) {
return slug.replace(/-[0-9a-f]{8}$/, "");
}
const asura = {
site: "asura",
// asuracomic.net deep links 301 to the asurascans.com *root*, dropping the
// path, and that happens at the edge before this script gets a document —
// so those URLs cannot be handled here at all (checked 2026-07-25). It stays
// matched in case the redirect starts preserving paths again; until then,
// reach series through asurascans.com.
matches: (loc) => /(^|\.)asurascans\.com$|(^|\.)asuracomic\.net$/.test(loc.hostname),
detect(loc) {
const path = loc.pathname;
// /comics/<slug-hash>/chapter/<n>
let m = path.match(/^\/comics\/([^/]+)\/chapter\/([^/?#]+)/);
if (m) {
const num = parseFloat(m[2]);
return {
type: "chapter",
site: this.site,
seriesId: stripBuildHash(m[1]),
title: cleanTitle(meta("og:title")),
cover: meta("og:image") || "",
seriesUrl: loc.origin + "/comics/" + m[1],
chapterLabel: "Chapter " + m[2],
chapterNum: isNaN(num) ? null : num,
chapterUrl: loc.href,
};
}
// /comics/<slug-hash>
m = path.match(/^\/comics\/([^/?#]+)\/?$/);
if (m) {
return {
type: "series",
site: this.site,
seriesId: stripBuildHash(m[1]),
title: cleanTitle(meta("og:title")),
cover: meta("og:image") || "",
seriesUrl: loc.origin + "/comics/" + m[1],
chapterLabel: null,
chapterNum: null,
chapterUrl: null,
};
}
return { type: "other" };
// Strips "Chapter N - Read Online" and the " | Asura Scans" suffix.
function cleanTitle(t) {
if (!t) return "";
return t
.replace(/\s*Chapter\s+[\d.]+\s*-\s*Read Online\s*/i, " ")
.replace(/\s*\|\s*Asura Scans\s*$/i, "")
.trim();
}
},
// Series pages link every chapter. The link text check skips the
// "First Chapter" shortcut, which points at a chapter but is not one
// of the list entries.
latestChapterFromAnchors(anchors) {
let best = null;
for (const a of anchors) {
const m = a.href.match(/\/chapter\/([\d.]+)$/);
if (!m || !/Chapter\s+[\d.]+/i.test(a.text)) continue;
const num = parseFloat(m[1]);
if (isNaN(num)) continue;
if (!best || num > best.num) best = { num, label: "Chapter " + m[1] };
}
return best;
},
};
const demonic = {
site: "demonic",
matches: (loc) => /(^|\.)demonicscans\.org$/.test(loc.hostname),
detect(loc) {
const path = loc.pathname;
// Canonical reader: /title/<slug>/chapter/<n>/<page>
// (chaptered.php?manga=<id>&chapter=<n> 301s to this before we run.)
let m = path.match(/^\/title\/([^/]+)\/chapter\/([^/?#]+)/);
if (m) {
const num = parseFloat(m[2]);
return {
type: "chapter",
site: this.site,
seriesId: decodeURIComponent(m[1]),
title: cleanTitle(meta("og:title")),
cover: meta("og:image") || "",
seriesUrl: loc.origin + "/manga/" + m[1],
chapterLabel: "Chapter " + m[2],
chapterNum: isNaN(num) ? null : num,
chapterUrl: loc.href,
};
}
// Series: /manga/<slug>
m = path.match(/^\/manga\/([^/?#]+)/);
if (m) {
return {
type: "series",
site: this.site,
seriesId: decodeURIComponent(m[1]),
title: cleanTitle(meta("og:title")),
cover: meta("og:image") || "",
seriesUrl: loc.origin + "/manga/" + m[1],
chapterLabel: null,
chapterNum: null,
chapterUrl: null,
};
}
return { type: "other" };
// Demonic chapter og:title is "<Title> Chapter N"; series is clean.
function cleanTitle(t) {
if (!t) return "";
return t.replace(/\s*Chapter\s+[\d.]+\s*$/i, "").trim();
}
},
// Series pages still link chapters through the pre-redirect chaptered.php
// form. Their order is not dependable, so take the highest number.
latestChapterFromAnchors(anchors) {
let best = null;
for (const a of anchors) {
const m = a.href.match(/chaptered\.php\?manga=\d+&(?:amp;)?chapter=([\d.]+)/);
if (!m) continue;
const num = parseFloat(m[1]);
if (isNaN(num)) continue;
if (!best || num > best.num) best = { num, label: "Chapter " + m[1] };
}
return best;
},
};
const ADAPTERS = [asura, demonic];
function detect() {
const loc = window.location;
for (const a of ADAPTERS) {
if (a.matches(loc)) return a.detect(loc);
}
return { type: "other" };
}
function keyOf(page) {
return page.site + ":" + page.seriesId;
}
function adapterFor(site) {
return ADAPTERS.find((a) => a.site === site) || null;
}
// Highest chapter the site lists, or null when the markup yields nothing.
function computeLatestChapter(site, anchors) {
const a = adapterFor(site);
return a ? a.latestChapterFromAnchors(anchors) : null;
}
function currentSite() {
for (const a of ADAPTERS) if (a.matches(window.location)) return a.site;
return null;
}
// ============================================================
// API client + local cache
// ============================================================
function loadCache() {
try {
const raw = localStorage.getItem(CACHE_KEY);
return raw ? JSON.parse(raw) : [];
} catch (e) {
return [];
}
}
function saveCache(list) {
try {
localStorage.setItem(CACHE_KEY, JSON.stringify(list));
} catch (e) {
/* quota / private mode — ignore */
}
}
function loadLastChecked() {
try {
const raw = localStorage.getItem(LASTCHECKED_KEY);
return raw ? JSON.parse(raw) : {};
} catch (e) {
return {};
}
}
function saveLastChecked(map) {
try {
localStorage.setItem(LASTCHECKED_KEY, JSON.stringify(map));
} catch (e) {
/* quota / private mode — ignore */
}
}
function authHeaders(extra) {
return Object.assign({ Authorization: "Bearer " + API_TOKEN }, extra || {});
}
// The retry queue treats a 400 differently from a dropped connection, so the
// status has to survive the throw. A network failure leaves it undefined.
function httpError(what, status) {
const e = new Error(what + " " + status);
e.status = status;
return e;
}
async function apiGet() {
const res = await fetch(API_BASE + "/bookmarks", { headers: authHeaders() });
if (!res.ok) throw new Error("GET /bookmarks " + res.status);
return res.json();
}
// Only an explicit archive/restore has an opinion about the bucket. Every
// other write omits `status`, so the server keeps the stored one — otherwise
// a cached value would resend "finished" (which the API rejects with 400) or
// silently un-archive a series archived on another device.
async function apiPut(key, obj, { sendStatus = false } = {}) {
const body = Object.assign({}, obj);
if (!sendStatus) delete body.status;
const res = await fetch(API_BASE + "/bookmarks/" + encodeURIComponent(key), {
method: "PUT",
headers: authHeaders({ "Content-Type": "application/json" }),
body: JSON.stringify(body),
});
if (!res.ok) throw httpError("PUT /bookmarks", res.status);
return res.json();
}
async function apiDelete(key) {
const res = await fetch(API_BASE + "/bookmarks/" + encodeURIComponent(key), {
method: "DELETE",
headers: authHeaders(),
});
// 404 means the row is already gone, which is what the caller wanted.
if (!res.ok && res.status !== 404) throw httpError("DELETE /bookmarks", res.status);
}
// ============================================================
// State
// ============================================================
const state = {
list: loadCache(), // last-known bookmarks (array)
byKey: {},
page: { type: "other" },
};
reindex();
function reindex() {
state.byKey = {};
for (const b of state.list) state.byKey[b.key] = b;
state.list.sort((a, b) => (b.updated_at || 0) - (a.updated_at || 0));
}
function setList(list) {
state.list = Array.isArray(list) ? list : [];
reindex();
saveCache(state.list);
}
function upsertLocal(bm) {
const i = state.list.findIndex((b) => b.key === bm.key);
if (i >= 0) state.list[i] = bm;
else state.list.push(bm);
reindex();
saveCache(state.list);
}
function removeLocal(key) {
state.list = state.list.filter((b) => b.key !== key);
reindex();
saveCache(state.list);
}
// A list cached by an older version has no status field, and a row the
// server defaulted has "reading" — both mean the same thing here.
function statusOf(b) {
return b.status || "reading";
}
// ============================================================
// Retry queue
//
// A failed write is not rolled back and not lost: the key is parked here and
// replayed when the backend is next reachable. Entries carry no payload — the
// body is read from state.byKey at send time, because state.list *is* the
// desired state and is already persisted in mangabm:cache. One entry per key,
// so two writes to the same series cannot replay out of order, an
// archive-then-unarchive collapses to whatever the cache now says, and a
// queued DELETE replaces a queued PUT rather than racing it.
// ============================================================
const QUEUE_KEY = "mangabm:queue";
const QUEUE_MAX = 200; // ~12 KB; realistically bounded by the bookmark count
const QUEUE_MAX_ATTEMPTS = 10;
let authFailed = false; // a 401 was seen; retrying cannot help until the token changes
function loadQueue() {
try {
const raw = localStorage.getItem(QUEUE_KEY);
return raw ? JSON.parse(raw) : [];
} catch (e) {
return [];
}
}
function saveQueue(q) {
try {
localStorage.setItem(QUEUE_KEY, JSON.stringify(q));
} catch (e) {
/* quota / private mode — ignore */
}
}
const queue = loadQueue();
function queueCount() {
return queue.length;
}
function queueGet(key) {
return queue.find((e) => e.key === key) || null;
}
function titleFor(key) {
const b = state.byKey[key];
return (b && (b.title || b.series_id)) || key;
}
// Oldest goes first when the cap is hit: the newest entry is the action the
// user just took, and dropping that is the bug this queue exists to fix.
function queuePush(entry) {
if (queue.length >= QUEUE_MAX) {
const evicted = queue.shift();
toast("Sync queue full — dropped " + titleFor(evicted.key), true);
}
queue.push(entry);
return entry;
}
function queueDrop(key) {
const i = queue.findIndex((e) => e.key === key);
if (i >= 0) {
queue.splice(i, 1);
saveQueue(queue);
}
}
// Parks a write without counting it as a failure. Used when the key is already
// on the wire: the write is owed, but nothing went wrong, so it must not spend
// one of the ten attempts.
function queueDefer(key, op, sendStatus) {
const e = queueGet(key) || queuePush({ key: key, op: op, sendStatus: false, attempts: 0 });
e.op = op; // a delete replaces a put, and a put replaces a delete
e.sendStatus = e.sendStatus || sendStatus; // sticky: an archive intent is never dropped
saveQueue(queue);
return e;
}
// Records a failed write and classifies why it failed. A 400 is a payload the
// server will never accept, so it is dropped now instead of being retried ten
// times; a 401 is the wrong token, so the entry is kept untouched and the
// drain gives up until the token changes.
function queueEnqueue(key, op, sendStatus, err) {
const status = err && err.status;
if (status === 400) {
queueDrop(key);
toast("Couldn't sync " + titleFor(key) + " — change lost", true);
return;
}
const e = queueDefer(key, op, sendStatus);
if (status === 401) {
authFailed = true;
} else if (++e.attempts >= QUEUE_MAX_ATTEMPTS) {
queueDrop(key);
toast("Gave up syncing " + titleFor(key), true);
return;
}
saveQueue(queue);
}
// Keys with a request on the wire right now, mapped to "another write arrived
// while this one was flying". A second write to the same key is never sent
// concurrently — the two responses would race to own the row — it is parked in
// the queue instead and a later drain replays it. The flight already in the
// air must then leave that entry alone and not adopt its own now-stale
// response, or it would undo the write the user just made.
const inFlight = new Map();
let draining = null; // the pass in progress, so a second caller awaits it
// Replays everything owed. Cheap in the normal case — it returns on the first
// line when the queue is empty, which is why it can hang off navigation. A
// 401 stops the whole pass: the token is wrong, so the next entry would fail
// the same way, and the queue is left intact so fixing the token fixes it.
//
// Returns the in-flight pass when one is already running, so refresh()'s
// `await drain()` really does wait for what we owe instead of racing a drain
// that onNavigate or the online listener started unawaited.
function drain() {
if (queue.length === 0) return Promise.resolve();
if (draining) return draining;
const pass = (async () => {
authFailed = false;
try {
for (const e of queue.slice()) {
if (e.op === "delete") await pushDelete(e.key);
else await pushBookmark(e.key, e.sendStatus);
if (authFailed) {
toast("Sync auth failed — check the token", true);
break;
}
}
} finally {
render();
}
})();
// Swallowed, not surfaced: drain is called unawaited from onNavigate and the
// online listener, and an uncaught rejection on a page we do not control is
// a console error nobody can act on. Every real sync failure is already
// toasted and queued by pushBookmark/pushDelete.
draining = pass
.catch(() => {})
.finally(() => {
draining = null;
});
return draining;
}
// Keys the server has not heard about yet must survive a fetched list, or the
// card the user just changed silently flaps back — the exact bug this queue
// exists to fix. Reads state.byKey, so it must run *before* setList replaces
// it.
function overlayPending(list) {
if (queue.length === 0) return list;
const out = list.filter((b) => {
const e = queueGet(b.key);
return !(e && e.op === "delete");
});
for (const e of queue) {
if (e.op !== "put") continue;
const local = state.byKey[e.key];
if (!local) continue;
const i = out.findIndex((b) => b.key === e.key);
if (i >= 0) out[i] = local;
else out.push(local);
}
return out;
}
// ============================================================
// Mutations (optimistic: update UI/cache first, then sync)
// ============================================================
// Every write goes through here, queued or not, so there is one place that
// talks to the API and one place that decides `sendStatus`. That flag is
// sticky: while an archive is pending for a key, a later progress write to the
// same key still carries the bucket — otherwise the server would answer with
// the old status and the adopted row would silently un-archive the series.
async function pushBookmark(key, sendStatus) {
const pending = queueGet(key);
const withStatus = sendStatus || (pending ? pending.sendStatus : false);
const bm = state.byKey[key];
if (!bm) {
queueDrop(key); // removed locally in the meantime — nothing left to send
return true;
}
if (inFlight.has(key)) {
queueDefer(key, "put", withStatus); // see inFlight — parked, not sent
inFlight.set(key, true); // supersedes the flight already in the air
return false;
}
inFlight.set(key, false);
let ok = false;
try {
// ponytail: last-write-wins, so a replay can overwrite a newer server
// value (a poller-written latest_chapter, or progress from another
// device). Single user, self-healing on the next poll — revisit only if
// this ever runs multi-user.
const saved = await apiPut(key, bm, { sendStatus: withStatus });
if (!inFlight.get(key)) {
upsertLocal(saved);
queueDrop(key);
}
ok = true;
} catch (e) {
// Same guard as the success path: a newer write is parked for this key, so
// classifying *this* failure would clobber its op or, on a 400, drop it
// outright. Its own drain reports its own outcome. The one thing that must
// still carry across is sendStatus — this flight may have been the archive
// replay, and losing its flag here would narrow the parked write into a
// silent un-archive.
const parked = inFlight.get(key) ? queueGet(key) : null;
if (parked) queueDefer(key, parked.op, withStatus);
else queueEnqueue(key, "put", withStatus, e);
} finally {
inFlight.delete(key);
}
// Outside the try: a throw in render() is a UI bug, not a write failure, and
// must not re-queue a write that already landed.
if (ok) render();
return ok;
}
async function pushDelete(key) {
if (inFlight.has(key)) {
queueDefer(key, "delete", false); // see inFlight — parked, not sent
inFlight.set(key, true); // supersedes the flight already in the air
return false;
}
inFlight.set(key, false);
try {
await apiDelete(key);
if (!inFlight.get(key)) queueDrop(key);
return true;
} catch (e) {
if (!inFlight.get(key)) queueEnqueue(key, "delete", false, e); // see pushBookmark
return false;
} finally {
inFlight.delete(key);
}
}
async function bookmarkCurrent() {
const p = state.page;
if (p.type !== "series" && p.type !== "chapter") return;
const key = keyOf(p);
const existing = state.byKey[key];
const bm = {
key: key,
site: p.site,
series_id: p.seriesId,
title: p.title || (existing && existing.title) || p.seriesId,
series_url: p.seriesUrl || (existing && existing.series_url) || "",
cover: p.cover || (existing && existing.cover) || "",
last_chapter: p.chapterLabel || (existing && existing.last_chapter) || "",
last_chapter_num:
p.chapterNum != null ? p.chapterNum : existing ? existing.last_chapter_num : null,
last_chapter_url: p.chapterUrl || (existing && existing.last_chapter_url) || "",
updated_at: Date.now(),
};
await syncUpsert(bm, "Bookmarked");
}
async function updateToCurrentChapter() {
cancelDwell(); // manual button + timer-fire both clear any pending dwell
const p = state.page;
if (p.type !== "chapter") return;
const key = keyOf(p);
const existing = state.byKey[key] || {};
const bm = Object.assign({}, existing, {
key: key,
site: p.site,
series_id: p.seriesId,
title: existing.title || p.title || p.seriesId,
series_url: existing.series_url || p.seriesUrl || "",
cover: existing.cover || p.cover || "",
last_chapter: p.chapterLabel || "",
last_chapter_num: p.chapterNum,
last_chapter_url: p.chapterUrl || "",
updated_at: Date.now(),
});
await syncUpsert(bm, "Progress updated");
}
// Manual override from the panel input — forces any value.
async function setChapterManual(key, label, num, url) {
const existing = state.byKey[key];
if (!existing) return;
const bm = Object.assign({}, existing, {
last_chapter: label,
last_chapter_num: isNaN(num) ? existing.last_chapter_num : num,
last_chapter_url: url || existing.last_chapter_url,
updated_at: Date.now(),
});
await syncUpsert(bm, "Progress set");
}
async function syncUpsert(bm, okMsg) {
upsertLocal(bm); // optimistic
render();
if (await pushBookmark(bm.key, false)) toast(okMsg);
else toast("Saved — will sync when online", true);
}
async function toggleFavorite(key) {
const existing = state.byKey[key];
if (!existing) return;
const bm = Object.assign({}, existing, {
favorite: !existing.favorite,
updated_at: Date.now(), // candidate only; the server keeps the stored one
});
upsertLocal(bm); // optimistic
render();
if (!(await pushBookmark(bm.key, false))) toast("Saved — will sync when online", true);
}
// Archive parks a series: it leaves All and Favourites but the server keeps
// polling it for new chapters. "finished" is deliberately not reachable from
// here — the API rejects that value, it is a web-UI decision.
async function toggleArchive(key) {
const existing = state.byKey[key];
if (!existing) return;
const next = statusOf(existing) === "archived" ? "reading" : "archived";
upsertLocal(Object.assign({}, existing, { status: next }));
render();
// The only write with an opinion about the bucket, so the only one that
// sends `status` at all.
if (await pushBookmark(key, true)) {
toast(next === "archived" ? "Archived" : "Back in your list");
} else {
toast((next === "archived" ? "Archived" : "Restored") + " — will sync when online", true);
}
}
// Records the newest chapter a site has published. Silent: this fires from
// page visits and background checks the user did not ask for, and it never
// reorders the list — updated_at is a candidate the server discards unless
// reading progress moved.
async function applyLatestChapterIfChanged(existing, latest) {
if (!existing || !latest) return;
if (existing.latest_chapter_num === latest.num) return;
const bm = Object.assign({}, existing, {
latest_chapter: latest.label,
latest_chapter_num: latest.num,
updated_at: Date.now(),
});
upsertLocal(bm);
render();
// A queued write owns this row; the drain sends latest_chapter
// with it, carrying the correct bucket.
if (queueGet(bm.key)) return;
try {
const saved = await apiPut(bm.key, bm);
upsertLocal(saved);
render();
} catch (e) {
/* offline — the local cache still shows it, retried on a later visit */
}
}
// Standing on a bookmarked series page: its chapter list is already here.
function maybeCaptureLatestOnSeriesPage() {
const p = state.page;
if (p.type !== "series") return;
const existing = state.byKey[keyOf(p)];
if (!existing) return;
applyLatestChapterIfChanged(
existing,
computeLatestChapter(p.site, anchorsFromDocument(document))
);
}
// Everything else is only learned by fetching a series page. Same-origin
// only: these requests carry the session that gets us past the site's bot
// checks, which a request to the other site (or from a server) would not.
// One series per navigation keeps it indistinguishable from browsing.
async function backgroundRefreshLatest() {
const site = currentSite();
if (!site) return;
const checked = loadLastChecked();
const now = Date.now();
const due = state.list
.filter((b) => b.site === site && b.series_url)
.filter((b) => statusOf(b) !== "finished")
.filter((b) => now - (checked[b.key] || 0) >= LATEST_CHECK_THROTTLE_MS)
.sort((a, b) => (checked[a.key] || 0) - (checked[b.key] || 0))
.slice(0, LATEST_CHECK_BATCH);
if (due.length === 0) return;
for (const bm of due) {
// Recorded even when the fetch fails, so a broken series is retried on
// the next throttle window rather than on every single page load.
checked[bm.key] = Date.now();
try {
const res = await fetch(bm.series_url, { credentials: "same-origin" });
if (!res.ok) continue;
const html = await res.text();
const latest = computeLatestChapter(bm.site, anchorsFromHTML(html));
await applyLatestChapterIfChanged(state.byKey[bm.key] || bm, latest);
} catch (e) {
/* offline or blocked — try again after the throttle window */
}
}
saveLastChecked(checked);
}
async function removeBookmark(key) {
removeLocal(key); // optimistic
render();
if (await pushDelete(key)) toast("Removed");
else toast("Removed — will sync when online", true);
}
// Dwell timer: don't advance progress the instant a newer chapter opens (guards
// against a misclick on "latest chapter"). Arm a 25s timer instead; the countdown
// ring around the FAB shows it running. The manual "Update to X" button still fires
// immediately. Timer is keyed to the chapter, not the URL, so turning pages within
// the same chapter (Demonic /chapter/N/<page>) keeps it counting rather than resetting.
const DWELL_MS = 25000;
let dwell = null; // { id, timerId }
function chapterIdentity(p) {
return p && p.type === "chapter" ? p.site + ":" + p.seriesId + "@" + p.chapterNum : null;
}
function armDwell(id) {
dwell = {
id,
timerId: setTimeout(() => {
dwell = null;
stopRing();
updateToCurrentChapter();
}, DWELL_MS),
};
startRing(DWELL_MS);
}
function cancelDwell() {
if (dwell) clearTimeout(dwell.timerId);
dwell = null;
stopRing();
}
// Auto-record on opening a chapter of a bookmarked series (after the dwell delay).
function maybeAutoUpdate() {
const p = state.page;
const id = chapterIdentity(p);
if (dwell && id === dwell.id) return; // same chapter, page turn — keep timer running
cancelDwell(); // navigated elsewhere — drop any stale dwell
if (p.type !== "chapter") return;
const existing = state.byKey[keyOf(p)];
if (!existing) return; // only track series the user bookmarked
const cur = p.chapterNum;
const prev = existing.last_chapter_num;
// Advance when current >= stored, or when either is unparseable (set current).
const advance = cur == null || prev == null || cur >= prev;
if (!advance) return;
if (existing.last_chapter_url === p.chapterUrl && existing.last_chapter === p.chapterLabel) {
return; // already recorded
}
armDwell(id);
}
// ============================================================
// UI — Shadow DOM (isolated from site CSS)
// ============================================================
let root, panelOpen = false;
let activeTab = "all"; // "all" | "favorites" | "archived"; resets each page, by design
function buildUI() {
const host = document.createElement("div");
host.id = "mangabm-host";
host.style.cssText = "all: initial;";
(document.body || document.documentElement).appendChild(host);
root = host.attachShadow({ mode: "open" });
const style = document.createElement("style");
style.textContent = CSS;
root.appendChild(style);
const wrap = document.createElement("div");
wrap.id = "wrap";
wrap.innerHTML = TEMPLATE;
root.appendChild(wrap);
const fab = root.getElementById("fab");
fab.addEventListener("click", () => {
if (fab.dataset.dragged) {
delete fab.dataset.dragged; // this click is the tail of a drag — swallow it
return;
}
togglePanel();
});
root.getElementById("backdrop").addEventListener("click", togglePanel);
root.getElementById("closeBtn").addEventListener("click", togglePanel);
root.getElementById("pending").addEventListener("click", () => drain());
for (const [id, tab] of [["tabAll", "all"], ["tabFav", "favorites"], ["tabArc", "archived"]]) {
root.getElementById(id).addEventListener("click", () => {
activeTab = tab;
render();
});
}
placeFab(fab);
makeDraggable(fab);
window.addEventListener("resize", () => placeFab(fab)); // re-clamp on rotation
}
// ============================================================
// FAB placement + dragging (snaps to nearest left/right edge)
// ============================================================
const FAB_KEY = "mangabm:fabpos";
const FAB_MARGIN = 12;
function clamp(v, lo, hi) {
return Math.max(lo, Math.min(hi, v));
}
function applyFabPos(fab, side, y) {
fab.style.top = y + "px";
fab.style.bottom = "auto";
if (side === "left") {
fab.style.left = FAB_MARGIN + "px";
fab.style.right = "auto";
} else {
fab.style.right = FAB_MARGIN + "px";
fab.style.left = "auto";
}
}
function loadFabPos() {
try {
return JSON.parse(localStorage.getItem(FAB_KEY));
} catch (e) {
return null;
}
}
function saveFabPos(side, yRatio) {
try {
localStorage.setItem(FAB_KEY, JSON.stringify({ side, yRatio }));
} catch (e) {
/* quota / private mode — ignore */
}
}
function placeFab(fab) {
const s = fab.offsetWidth || 52;
const p = loadFabPos();
const maxY = window.innerHeight - s - FAB_MARGIN;
const side = p && p.side === "left" ? "left" : "right";
const y = p ? clamp(p.yRatio * window.innerHeight, FAB_MARGIN, maxY) : maxY - 8;
applyFabPos(fab, side, y);
}
function makeDraggable(fab) {
let down = false, moved = false, sx = 0, sy = 0, offX = 0, offY = 0;
fab.addEventListener("pointerdown", (e) => {
down = true;
moved = false;
sx = e.clientX;
sy = e.clientY;
const r = fab.getBoundingClientRect();
offX = e.clientX - r.left;
offY = e.clientY - r.top;
fab.setPointerCapture(e.pointerId);
fab.style.transition = "none";
});
fab.addEventListener("pointermove", (e) => {
if (!down) return;
if (!moved && (Math.abs(e.clientX - sx) > 6 || Math.abs(e.clientY - sy) > 6)) moved = true;
if (!moved) return;
e.preventDefault();
const s = fab.offsetWidth;
fab.style.left = clamp(e.clientX - offX, 0, window.innerWidth - s) + "px";
fab.style.right = "auto";
fab.style.top = clamp(e.clientY - offY, 0, window.innerHeight - s) + "px";
fab.style.bottom = "auto";
});
fab.addEventListener("pointerup", (e) => {
if (!down) return;
down = false;
fab.style.transition = "";
if (!moved) return; // tap — let the click handler toggle the panel
fab.dataset.dragged = "1"; // suppress the click that trails this drag
const s = fab.offsetWidth;
const r = fab.getBoundingClientRect();
const side = r.left + s / 2 < window.innerWidth / 2 ? "left" : "right";
const y = clamp(r.top, FAB_MARGIN, window.innerHeight - s - FAB_MARGIN);
fab.style.transition = "left .2s ease, right .2s ease, top .2s ease";
applyFabPos(fab, side, y);
saveFabPos(side, y / window.innerHeight);
});
}
// ============================================================
// Countdown ring around the FAB (dwell-timer progress)
// ============================================================
const RING_C = 144.5; // circumference: 2π·23
function startRing(ms) {
if (!root) return;
const ring = root.getElementById("ring");
const prog = ring.firstElementChild;
ring.classList.add("active");
prog.style.transition = "none";
prog.style.strokeDashoffset = RING_C; // empty
prog.getBoundingClientRect(); // reflow so the next assignment animates
prog.style.transition = "stroke-dashoffset " + ms + "ms linear";
prog.style.strokeDashoffset = "0"; // fills over ms
}
function stopRing() {
if (!root) return;
const ring = root.getElementById("ring");
if (!ring) return;
const prog = ring.firstElementChild;
ring.classList.remove("active");
prog.style.transition = "none";
prog.style.strokeDashoffset = RING_C;
}
function togglePanel() {
panelOpen = !panelOpen;
render();
if (panelOpen) refresh(); // pull latest from server on open
}
function el(tag, props, children) {
const e = document.createElement(tag);
if (props) for (const k in props) {
if (k === "text") e.textContent = props[k];
else if (k === "html") e.innerHTML = props[k];
else if (k.slice(0, 2) === "on") e.addEventListener(k.slice(2).toLowerCase(), props[k]);
else e.setAttribute(k, props[k]);
}
if (children) for (const c of children) if (c) e.appendChild(c);
return e;
}
function render() {
if (!root) return;
root.getElementById("panel").classList.toggle("open", panelOpen);
root.getElementById("backdrop").classList.toggle("open", panelOpen);
// Silent while everything is synced; honest the moment something is stuck.
const pending = root.getElementById("pending");
pending.hidden = queueCount() === 0;
pending.textContent = "⟳ " + queueCount() + " pending";
// Context header for the current page.
const ctx = root.getElementById("context");
ctx.innerHTML = "";
const p = state.page;
if (p.type === "series" || p.type === "chapter") {
const key = keyOf(p);
const existing = state.byKey[key];
ctx.appendChild(el("div", { class: "ctx-title", text: p.title || p.seriesId }));
if (!existing) {
ctx.appendChild(el("button", { class: "btn primary", text: "+ Bookmark this", onclick: () => bookmarkCurrent() }));
} else {
const cur = existing.last_chapter || "—";
ctx.appendChild(el("div", { class: "ctx-sub", text: "Tracked · last read: " + cur }));
if (p.type === "chapter" && p.chapterLabel && p.chapterLabel !== existing.last_chapter) {
ctx.appendChild(el("button", { class: "btn primary", text: "Update to " + p.chapterLabel, onclick: () => updateToCurrentChapter() }));
}
}
} else {
ctx.appendChild(el("div", { class: "ctx-sub", text: "Open a series or chapter to bookmark it." }));
}
// Tabs narrow what is drawn; state.list always holds every bookmark.
// Archived rows are hidden from All and Favourites, and finished ones —
// which only the web UI can set — are hidden from every tab.
for (const [id, tab] of [["tabAll", "all"], ["tabFav", "favorites"], ["tabArc", "archived"]]) {
root.getElementById(id).classList.toggle("active", activeTab === tab);
}
const listEl = root.getElementById("list");
listEl.innerHTML = "";
const items = state.list.filter((b) => {
const s = statusOf(b);
if (activeTab === "archived") return s === "archived";
if (s !== "reading") return false;
return activeTab !== "favorites" || b.favorite;
});
if (items.length === 0) {
const empty = {
favorites: "No favourites yet.",
archived: "Nothing archived.",
all: "No bookmarks yet.",
}[activeTab];
listEl.appendChild(el("div", { class: "empty", text: empty }));
}
for (const b of items) {
listEl.appendChild(renderItem(b));
}
}
function renderItem(b) {
const cont = b.last_chapter_url || b.series_url || "#";
// Only worth naming the latest chapter while it is ahead of the read one.
const behind =
b.latest_chapter &&
b.latest_chapter_num != null &&
(b.last_chapter_num == null || b.latest_chapter_num > b.last_chapter_num);
const sub = behind
? "Read: " + (b.last_chapter || "—") + " · Latest: " + b.latest_chapter
: (b.last_chapter || "—") + " · " + b.site;
const row = el("div", { class: "item" }, [
b.cover
? el("img", { class: "cover", src: b.cover, loading: "lazy", alt: "" })
: el("div", { class: "cover ph" }),
el("div", { class: "meta" }, [
el("div", { class: "t", text: b.title || b.series_id }),
el("div", { class: "c" + (behind ? " behind" : ""), text: sub }),
el("div", { class: "actions" }, [
el("button", {
class: "btn small star" + (b.favorite ? " on" : ""),
text: b.favorite ? "★" : "☆",
title: b.favorite ? "Remove from favourites" : "Add to favourites",
onclick: () => toggleFavorite(b.key),
}),
el("button", {
class: "btn small",
text: statusOf(b) === "archived" ? "Unarchive" : "Archive",
onclick: () => toggleArchive(b.key),
}),
el("a", { class: "btn small", href: cont, text: "Continue" }),
el("button", { class: "btn small", text: "Edit", onclick: () => editChapter(b) }),
el("button", { class: "btn small danger", text: "Remove", onclick: () => removeBookmark(b.key) }),
]),
]),
]);
return row;
}
function editChapter(b) {
const raw = prompt("Set last-read chapter for \"" + (b.title || b.series_id) + "\":", b.last_chapter || "");
if (raw == null) return;
const label = raw.trim();
const num = parseFloat((label.match(/[\d.]+/) || [])[0]);
setChapterManual(b.key, label, num, b.last_chapter_url);
}
// Toast inside the shadow root.
function toast(msg, isErr) {
if (!root) return;
const t = el("div", { class: "toast" + (isErr ? " err" : ""), text: msg });
root.getElementById("toasts").appendChild(t);
setTimeout(() => t.classList.add("show"), 10);
setTimeout(() => {
t.classList.remove("show");
setTimeout(() => t.remove(), 300);
}, 2600);
}
// ============================================================
// Refresh + navigation
// ============================================================
async function refresh() {
await drain(); // push what we owe before adopting the server's view of it
try {
const list = await apiGet();
setList(overlayPending(list));
render();
} catch (e) {
render(); // fall back to cache
}
}
let lastUrl = location.href;
function onNavigate() {
state.page = detect();
render();
maybeAutoUpdate();
maybeCaptureLatestOnSeriesPage();
// Asura is client-routed, so full loads are rare — checking here too is
// what keeps its bookmarks current. The throttle still caps the rate.
backgroundRefreshLatest();
// Drain only, not a full refresh: Asura may go a long time without a
// reload, and an extra GET per client-side route change is not wanted.
drain();
}
// Framework-agnostic URL-change watcher: patch history + poll as a fallback,
// so it works whether the site is client-routed (Asura) or reloads (Demonic).
function installNavWatcher() {
const fire = () => {
if (location.href !== lastUrl) {
lastUrl = location.href;
// Meta tags update slightly after the URL on client routes.
setTimeout(onNavigate, 300);
}
};
const wrap = (name) => {
const orig = history[name];
history[name] = function () {
const r = orig.apply(this, arguments);
fire();
return r;
};
};
wrap("pushState");
wrap("replaceState");
window.addEventListener("popstate", fire);
setInterval(fire, 1500); // catch routes that bypass history
}
// ============================================================
// Boot
// ============================================================
function init() {
buildUI();
state.page = detect();
render();
installNavWatcher();
window.addEventListener("online", drain); // signal returned while the page stayed open
// Sync first: both auto-record and the latest-chapter checks below need to
// know which series are bookmarked and how fresh they are.
refresh().then(() => {
maybeAutoUpdate();
maybeCaptureLatestOnSeriesPage();
backgroundRefreshLatest();
});
}
// ============================================================
// Markup + styles (kept at bottom for readability)
// ============================================================
const TEMPLATE = `
<button id="fab" aria-label="Manga bookmarks">
<svg id="ring" viewBox="0 0 52 52" aria-hidden="true"><circle class="prog" cx="26" cy="26" r="23"></circle></svg>
<span class="fab-icon">📑</span>
</button>
<div id="backdrop"></div>
<aside id="panel" role="dialog" aria-label="Manga bookmarks">
<header>
<span>Manga Bookmarks</span>
<button id="closeBtn" aria-label="Close">✕</button>
</header>
<div id="nav">
<a class="chip" href="${WEB_BASE}" target="_blank" rel="noopener">🌐 Web</a>
<a class="chip" href="https://asurascans.com" target="_blank" rel="noopener">Asura</a>
<a class="chip" href="https://demonicscans.org" target="_blank" rel="noopener">Demonic</a>
<button id="pending" class="chip pending" hidden>⟳ 0 pending</button>
</div>
<section id="context"></section>
<div id="tabs" role="tablist">
<button id="tabAll" class="tab active" role="tab">All</button>
<button id="tabFav" class="tab" role="tab">★ Favourites</button>
<button id="tabArc" class="tab" role="tab">Archived</button>
</div>
<div id="list"></div>
</aside>
<div id="toasts"></div>
`;
const CSS = `
:host { all: initial; }
* { box-sizing: border-box; font-family: system-ui, -apple-system, sans-serif; }
#fab {
position: fixed;
width: 52px; height: 52px; border-radius: 50%; border: none;
background: #6d28d9; color: #fff; font-size: 22px;
box-shadow: 0 4px 14px rgba(0,0,0,.4); z-index: 2147483646; cursor: pointer;
touch-action: none; user-select: none;
display: flex; align-items: center; justify-content: center; padding: 0;
}
#fab:active { transform: scale(.94); }
#ring {
position: absolute; inset: 0; transform: rotate(-90deg);
opacity: 0; transition: opacity .15s; pointer-events: none;
}
#ring.active { opacity: 1; }
#ring .prog {
fill: none; stroke: #c4b5fd; stroke-width: 3; stroke-linecap: round;
stroke-dasharray: 144.5; stroke-dashoffset: 144.5;
}
.fab-icon { position: relative; z-index: 1; line-height: 1; }
#backdrop {
position: fixed; inset: 0; background: rgba(0,0,0,.5);
opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 2147483646;
}
#backdrop.open { opacity: 1; pointer-events: auto; }
#panel {
position: fixed; top: 0; right: 0; height: 100%;
width: min(400px, 92vw); background: #1b1b22; color: #eee;
transform: translateX(105%); transition: transform .25s ease;
z-index: 2147483647; display: flex; flex-direction: column;
padding-bottom: env(safe-area-inset-bottom, 0px);
box-shadow: -4px 0 20px rgba(0,0,0,.5);
}
#panel.open { transform: translateX(0); }
header {
display: flex; align-items: center; justify-content: space-between;
padding: 14px 16px; border-bottom: 1px solid #33333d; font-weight: 600; font-size: 16px;
}
#closeBtn { background: none; border: none; color: #aaa; font-size: 18px; cursor: pointer; }
#nav { display: flex; gap: 8px; padding: 10px 16px; border-bottom: 1px solid #33333d; }
.chip {
background: #2a2a33; color: #c4b5fd; text-decoration: none;
padding: 6px 11px; border-radius: 999px; font-size: 12px; font-weight: 600;
white-space: nowrap;
}
.chip:active { opacity: .8; }
.chip.pending { background: #4c1d95; border: none; cursor: pointer; }
.chip.pending[hidden] { display: none; }
#context {
padding: 12px 16px; border-bottom: 1px solid #33333d;
display: flex; flex-direction: column; gap: 8px;
}
.ctx-title { font-weight: 600; font-size: 15px; }
.ctx-sub { color: #9a9aa5; font-size: 13px; }
#tabs { display: flex; gap: 14px; padding: 10px 16px 0; border-bottom: 1px solid #33333d; }
.tab {
background: none; border: none; color: #9a9aa5; cursor: pointer;
font-size: 13px; font-weight: 600; padding: 4px 0 9px;
border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab.active { color: #eee; border-bottom-color: #6d28d9; }
#list { overflow-y: auto; flex: 1; padding: 8px 0; }
.empty { color: #9a9aa5; text-align: center; padding: 30px 16px; font-size: 14px; }
.item { display: flex; gap: 10px; padding: 10px 16px; border-bottom: 1px solid #2a2a33; }
.cover { width: 46px; height: 62px; object-fit: cover; border-radius: 4px; flex: none; background: #333; }
.cover.ph { display: block; }
.meta { min-width: 0; flex: 1; }
.t { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.c { color: #9a9aa5; font-size: 12px; margin: 2px 0 8px; }
.c.behind { color: #c4b5fd; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.btn {
background: #33333d; color: #eee; border: none; border-radius: 6px;
padding: 8px 12px; font-size: 13px; cursor: pointer; text-decoration: none; display: inline-block;
}
.btn:active { opacity: .8; }
.btn.primary { background: #6d28d9; color: #fff; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.btn.danger { background: #7f1d1d; }
.btn.star { line-height: 1; }
.btn.star.on { background: #6d28d9; color: #fff; }
#toasts {
position: fixed; left: 50%; transform: translateX(-50%);
bottom: calc(80px + env(safe-area-inset-bottom, 0px));
z-index: 2147483647; display: flex; flex-direction: column; gap: 8px; align-items: center;
}
.toast {
background: #2f2f3a; color: #fff; padding: 10px 16px; border-radius: 8px;
font-size: 13px; opacity: 0; transform: translateY(10px); transition: all .3s;
box-shadow: 0 4px 14px rgba(0,0,0,.4); max-width: 80vw;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.err { background: #7f1d1d; }
`;
// ============================================================
// Boot — MUST run last: init() -> buildUI() reads TEMPLATE/CSS,
// which are const (TDZ) and only initialized above. At
// @run-at document-idle document.body already exists, so init()
// fires synchronously here, after the consts are set.
// ============================================================
if (document.body) init();
else document.addEventListener("DOMContentLoaded", init);
})();