pack-zip.js

const path = require("path");
const fs = require("fs");
const jszip = require("jszip");

const iconFile = path.join(__dirname, "icon.png");
const pluginJSON = path.join(__dirname, "plugin.json");
const distFolder = path.join(__dirname, "dist");
const json = JSON.parse(fs.readFileSync(pluginJSON, "utf8"));
let readmeDotMd = path.join(__dirname, "readme.md");
let changelogDotMd = path.join(__dirname, "changelog.md");

if (!json.readme) {
	readmeDotMd = path.join(__dirname, "readme.md");
	if (!fs.existsSync(readmeDotMd)) {
		readmeDotMd = path.join(__dirname, "README.md");
	}
}

if (!json.changelogs) {
	if (!fs.existsSync(changelogDotMd)) {
		changelogDotMd = path.join(__dirname, "CHANGELOG.md");
	}

	if (!fs.existsSync(changelogDotMd)) {
		changelogDotMd = path.join(__dirname, "changelog.md");
	}
}

// create zip file of dist folder

const zip = new jszip();

zip.file("icon.png", fs.readFileSync(iconFile));
zip.file("plugin.json", fs.readFileSync(pluginJSON));

if (readmeDotMd) {
	zip.file("readme.md", fs.readFileSync(readmeDotMd));
}
if (changelogDotMd) {
	zip.file("changelog.md", fs.readFileSync(changelogDotMd));
}

loadFile("", distFolder);

zip
	.generateNodeStream({
		type: "nodebuffer",
		streamFiles: true,
		compression: "DEFLATE",
		compressionOptions: { level: 9 },
	})
	.pipe(fs.createWriteStream(path.join(__dirname, "plugin.zip")))
	.on("finish", () => {
		console.log("Plugin plugin.zip written.");
	});

function loadFile(root, folder) {
	const distFiles = fs.readdirSync(folder);
	distFiles.forEach((file) => {
		const stat = fs.statSync(path.join(folder, file));

		if (stat.isDirectory()) {
			zip.folder(file);
			loadFile(path.join(root, file), path.join(folder, file));
			return;
		}

		if (!/LICENSE.txt/.test(file)) {
			zip.file(path.join(root, file), fs.readFileSync(path.join(folder, file)));
		}
	});
}