feat(userscript): add comix.to site adapter

userscript/manga-bookmark.user.js

@@ -80,6 +80,14 @@
     return slug.replace(/-[0-9a-f]{8}$/, "");
   }
 
+  // comix path segments are "<id>-<slug>", where the slug is a rendering of the
+  // current title and changes when a series is renamed. Only the id is the
+  // identity; seriesUrl keeps the full segment because navigation needs it.
+  function comixSeriesId(segment) {
+    const i = segment.indexOf("-");
+    return i === -1 ? segment : segment.slice(0, i);
+  }
+
   const asura = {
     site: "asura",
     // asuracomic.net deep links 301 to the asurascans.com *root*, dropping the
@@ -208,7 +216,83 @@
     },
   };
 
-  const ADAPTERS = [asura, demonic];
+  const comix = {
+    site: "comix",
+    matches: (loc) => /(^|\.)comix\.to$/.test(loc.hostname),
+    detect(loc) {
+      const path = loc.pathname;
+      // /title/<id>-<slug>/<uploadId>-chapter-<n>. Several uploads (different
+      // groups or languages) share one chapter number; the number is the
+      // progress identity, the upload id is not.
+      let m = path.match(/^\/title\/([^/]+)\/[^/]*-chapter-([\d.]+)/);
+      if (m) {
+        const num = parseFloat(m[2]);
+        return {
+          type: "chapter",
+          site: this.site,
+          seriesId: comixSeriesId(m[1]),
+          title: cleanTitle(meta("og:title")),
+          cover: coverFromPage(),
+          seriesUrl: loc.origin + "/title/" + m[1],
+          chapterLabel: "Chapter " + m[2],
+          chapterNum: isNaN(num) ? null : num,
+          chapterUrl: loc.href,
+        };
+      }
+      // /title/<id>-<slug>
+      m = path.match(/^\/title\/([^/?#]+)\/?$/);
+      if (m) {
+        return {
+          type: "series",
+          site: this.site,
+          seriesId: comixSeriesId(m[1]),
+          title: cleanTitle(meta("og:title")),
+          cover: coverFromPage(),
+          seriesUrl: loc.origin + "/title/" + m[1],
+          chapterLabel: null,
+          chapterNum: null,
+          chapterUrl: null,
+        };
+      }
+      return { type: "other" };
+
+      // comix chapter og:title is "<Title> · Ch.<n>"; series is clean.
+      function cleanTitle(t) {
+        if (!t) return "";
+        return t.replace(/\s*·\s*Ch\.[\d.]+\s*$/i, "").trim();
+      }
+
+      // comix serves no og:image, so this is the one adapter that has to read
+      // the DOM for a cover. Matching on alt rather than a class keeps it off
+      // the site's styling: the cover is the image whose alt is the title.
+      // Do not "simplify" this into meta("og:image") — that returns null.
+      function coverFromPage() {
+        const title = cleanTitle(meta("og:title"));
+        if (!title || !document.querySelectorAll) return "";
+        for (const img of document.querySelectorAll("img[alt]")) {
+          if (img.getAttribute("alt") === title) return img.getAttribute("src") || "";
+        }
+        return "";
+      }
+    },
+    // Scoped to this series' own id prefix so a recommendation strip's links
+    // cannot win the maximum. seriesId is passed in because the anchors alone
+    // do not say which series the page belongs to.
+    latestChapterFromAnchors(anchors, seriesId) {
+      let best = null;
+      const re = new RegExp("^/title/" + seriesId + "-[^/]*/[^/]*-chapter-([\\d.]+)");
+      for (const a of anchors) {
+        const m = a.href.match(re);
+        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, comix];
 
   function detect() {
     const loc = window.location;
@@ -1608,7 +1692,7 @@
   // Exposes pure logic only — see userscript/test/logic.test.js.
   // ============================================================
   if (typeof window === "undefined" && typeof module === "object" && module.exports) {
-    module.exports = { stripBuildHash, asura, demonic, anchorsFromHTML, statusOf };
+    module.exports = { stripBuildHash, comixSeriesId, asura, demonic, comix, anchorsFromHTML, statusOf };
   }
 
   // ============================================================

userscript/test/logic.test.js

@@ -44,8 +44,10 @@ globalThis.document = {
 
 const {
   stripBuildHash,
+  comixSeriesId,
   asura,
   demonic,
+  comix,
   anchorsFromHTML,
   statusOf,
 } = require("../manga-bookmark.user.js");
@@ -166,6 +168,73 @@ test("demonic.latestChapterFromAnchors parses chaptered.php links, including &am
   assert.deepEqual(best, { num: 12, label: "Chapter 12" });
 });
 
+// ============================================================
+// comix — the id prefix is the stable identity; the slug tail is a title
+// rendering that changes when a series is renamed.
+// ============================================================
+
+test("comixSeriesId keeps only the prefix before the first dash", () => {
+  assert.equal(comixSeriesId("n8we-dungeons-and-crayons"), "n8we");
+  assert.equal(comixSeriesId("20xzd-the-baddest-villainess-is-back"), "20xzd");
+});
+
+test("comixSeriesId leaves a bare id untouched", () => {
+  assert.equal(comixSeriesId("n8we"), "n8we");
+});
+
+test("comix detects a series page", () => {
+  metaTags = { "og:title": "Dungeons and Crayons" };
+  const p = comix.detect(loc("https://comix.to/title/n8we-dungeons-and-crayons"));
+  assert.equal(p.type, "series");
+  assert.equal(p.site, "comix");
+  assert.equal(p.seriesId, "n8we");
+  assert.equal(p.title, "Dungeons and Crayons");
+  assert.equal(p.seriesUrl, "https://comix.to/title/n8we-dungeons-and-crayons");
+  assert.equal(p.chapterNum, null);
+});
+
+test("comix detects a chapter page and strips the Ch. suffix from the title", () => {
+  metaTags = { "og:title": "Dungeons and Crayons · Ch.80" };
+  const p = comix.detect(
+    loc("https://comix.to/title/n8we-dungeons-and-crayons/11139891-chapter-80")
+  );
+  assert.equal(p.type, "chapter");
+  assert.equal(p.seriesId, "n8we");
+  assert.equal(p.title, "Dungeons and Crayons");
+  assert.equal(p.chapterNum, 80);
+  assert.equal(p.chapterLabel, "Chapter 80");
+  assert.equal(p.seriesUrl, "https://comix.to/title/n8we-dungeons-and-crayons");
+});
+
+test("comix parses decimal chapter numbers", () => {
+  metaTags = { "og:title": "Dungeons and Crayons · Ch.80.5" };
+  const p = comix.detect(
+    loc("https://comix.to/title/n8we-dungeons-and-crayons/11139891-chapter-80.5")
+  );
+  assert.equal(p.chapterNum, 80.5);
+});
+
+test("comix ignores unrelated paths", () => {
+  assert.equal(comix.detect(loc("https://comix.to/browse")).type, "other");
+});
+
+test("comix takes the max chapter and ignores other series' links", () => {
+  const anchors = anchorsFromHTML(`
+    <a href="/title/n8we-dungeons-and-crayons/11123327-chapter-79">Chapter 79</a>
+    <a href="/title/n8we-dungeons-and-crayons/11139891-chapter-80">Chapter 80</a>
+    <a href="/title/n8we-dungeons-and-crayons/10794753-chapter-78">Chapter 78</a>
+    <a href="/title/qqwrm-full-time-awakening/99999999-chapter-999">Chapter 999</a>
+  `);
+  assert.deepEqual(comix.latestChapterFromAnchors(anchors, "n8we"), {
+    num: 80,
+    label: "Chapter 80",
+  });
+});
+
+test("comix latest returns null when no chapter links are present", () => {
+  assert.equal(comix.latestChapterFromAnchors(anchorsFromHTML("<a href='/browse'>x</a>"), "n8we"), null);
+});
+
 // ============================================================
 // Shared helpers
 // ============================================================