Heimdall-Apps/index.js

const fs = require("fs");
const glob = require("glob");
const JSZip = require("jszip");
const { hashElement } = require("folder-hash");

var dir = "./dist";

if (!fs.existsSync(dir)) {
    fs.mkdirSync(dir);
}
if (!fs.existsSync(dir + "/icons")) {
    fs.mkdirSync(dir + "/icons");
}
if (!fs.existsSync(dir + "/files")) {
    fs.mkdirSync(dir + "/files");
}

glob("**/app.json", async function (err, files) {
    if (err) {
        console.log(
            "cannot read the folder, something goes wrong with glob",
            err
        );
    }

    let apptotal = files.length;
    let apps = [];
    let promises = [];

    const options = {
        algho: "sha1",
        encoding: "hex",
    };

    for (const file of files) {
        //files.forEach(async function(file) {

        let folder = file.replace("/app.json", "");

        let hash = await hashElement(folder, options);
        let filedata = fs.readFileSync(file);

        let parsed = JSON.parse(filedata);
        parsed.sha = hash.hash;
        //console.log(parsed)
        apps.push(parsed);

        if (fs.existsSync(folder + "/" + parsed.icon)) {
            let imagedata = fs.readFileSync(folder + "/" + parsed.icon);
            fs.writeFileSync(dir + "/icons/" + parsed.icon, imagedata);
        } else {
            console.error("missing file: ".folder + "/" + parsed.icon);
        }

        var zip = new JSZip();
        fs.readdirSync(folder).forEach((file) => {
            if (file !== parsed.icon) {
                let filedata = fs.readFileSync(folder + "/" + file);
                zip.file(folder + "/" + file, filedata);
            }
        });
        zip.generateNodeStream({ type: "nodebuffer", streamFiles: true })
            .pipe(fs.createWriteStream(dir + "/files/" + parsed.sha + ".zip"))
            .on("finish", function () {
                // JSZip generates a readable stream with a "end" event,
                // but is piped here in a writable stream which emits a "finish" event.
                console.log(parsed.sha + ".zip written.");
            });
    }

    let json = {
        appcount: apptotal,
        apps: apps,
    };

    let data = JSON.stringify(json);

    fs.writeFileSync(dir + "/list.json", data);
    fs.createReadStream("CNAME").pipe(fs.createWriteStream(dir + "/CNAME"));
});