source/atsu/atsu.js

async function searchContent(keyword, page=0) {
    const results = [];
    try {
        const response = await fetch(`https://atsu.moe/collections/manga/documents/search?q=${encodeURIComponent(keyword)}&limit=250&query_by=title%2CenglishTitle%2CotherNames&query_by_weights=3%2C2%2C1&include_fields=id%2Ctitle%2CenglishTitle%2Cposter%2CposterSmall%2CposterMedium%2Ctype%2CisAdult&num_typos=4%2C3%2C2&highlight_full_fields=title%2CenglishTitle%2CotherNames`);
        const data = await response.json();
        if (Array.isArray(data.hits)) {
            for (const hit of data.hits) {
                const doc = hit.document;
                results.push({
                    id: doc.id,
                    imageURL: "https://atsu.moe" + doc.poster,
                    title: doc.title || doc.englishTitle || ""
                });
            }
        }
        return results;
    } catch (err) {
        return [];
    }
}

async function getContentData(ID) {
    try {
        const response = await fetch(`https://atsu.moe/manga/${ID}`);
        const html = await response.text();
        const scriptRegex = /window\.mangaPage\s*=\s*(\{[\s\S]*?\});/;
        const scriptMatch = scriptRegex.exec(html);
        let description = "";
        let tags = [];
        if (scriptMatch) {
            try {
                const mangaPageObj = JSON.parse(scriptMatch[1]);
                const page = mangaPageObj.mangaPage;
                description = page.synopsis || "";
                if (Array.isArray(page.tags)) {
                    tags = page.tags.map(tag => tag.name);
                }
            } catch (e) {
            }
        }
        return {
            description,
            tags
        };
    } catch (err) {
        return {
            description: "Error",
            tags: []
        };
    }
}

async function getChapters(ID) {
    const results = [];
    try {
        const firstResponse = await fetch(`https://atsu.moe/api/manga/chapters?id=${ID}&filter=all&sort=desc&page=0`);
        const firstData = await firstResponse.json();
        const totalPages = firstData.pages || 1;
        let allChapters = firstData.chapters || [];

        const fetchPromises = [];
        for (let p = 1; p < totalPages; p++) {
            fetchPromises.push(
                fetch(`https://atsu.moe/api/manga/chapters?id=${ID}&filter=all&sort=desc&page=${p}`).then(r => r.json())
            );
        }
        const pageResults = await Promise.all(fetchPromises);
        for (const pageData of pageResults) {
            if (Array.isArray(pageData.chapters)) {
                allChapters = allChapters.concat(pageData.chapters);
            }
        }

            const total = allChapters.length;
            for (let i = 0; i < total; i++) {
                const chapter = allChapters[i];
                results.push([
                    String(total - i - 1),
                    [{
                        id: "https://atsu.moe/api/read/chapter?mangaId=" + ID + "&chapterId=" + chapter.id,
                        title: chapter.title,
                        chapter: chapter.number,
                        scanlation_group: chapter.title
                    }]
                ]);
            }
            return { en: results.reverse() };
    } catch (err) {
        return { en: [] };
    }
}

async function getChapterImages(url) {
    const results = [];
    try {
        const response = await fetch(url);
        const data = await response.json();
        if (data.readChapter && Array.isArray(data.readChapter.pages)) {
            for (const page of data.readChapter.pages) {
                results.push("https://atsu.moe" + page.image);
            }
        }
        return results;
    } catch (err) {
        return [];
    }
}