Add serve command

package.json

@@ -18,6 +18,7 @@
   },
   "dependencies": {
     "bestzip": "^2.2.1",
+    "mkcert": "^3.2.0",
     "read": "^3.0.1"
   }
 }

src/commands/serve.js

@@ -0,0 +1,76 @@
+import path from "node:path";
+import https from "node:https";
+import fs from "fs";
+import { createCA, createCert } from "mkcert";
+/**
+ *
+ * @param args
+ */
+export default async function serve(args) {
+    const PORT = 443;
+
+    const MIME_TYPES = {
+        default: "application/octet-stream",
+        html: "text/html; charset=UTF-8",
+        js: "application/javascript",
+        css: "text/css",
+        png: "image/png",
+        jpg: "image/jpg",
+        gif: "image/gif",
+        ico: "image/x-icon",
+        svg: "image/svg+xml",
+    };
+
+    const STATIC_PATH = path.join(process.cwd(), args[0]);
+
+    const toBool = [() => true, () => false];
+
+    const prepareFile = async (url) => {
+        const paths = [STATIC_PATH, url];
+        if (url.endsWith("/")) paths.push("index.html");
+        const filePath = path.join(...paths);
+        const pathTraversal = !filePath.startsWith(STATIC_PATH);
+        const exists = await fs.promises.access(filePath).then(...toBool);
+        const found = !pathTraversal && exists;
+        const streamPath = found ? filePath : STATIC_PATH + "/index.html";
+        const ext = path.extname(streamPath).substring(1).toLowerCase();
+        const stream = fs.createReadStream(streamPath);
+        return { found, ext, stream };
+    };
+
+    const ca = await createCA({
+        organization: "Hello CA",
+        countryCode: "UA",
+        state: "Bagmati",
+        locality: "Kathmandu",
+        validity: 365
+    });
+
+    const cert = await createCert({
+        ca: { key: ca.key, cert: ca.cert },
+        domains: ["127.0.0.1", "local.applura.app"],
+        validity: 365
+    });
+
+    const options = {
+        cert: cert.cert,
+        key: cert.key
+    }
+    const server = https
+        .createServer(options, async (req, res) => {
+            const file = await prepareFile(req.url);
+            const statusCode = file.found ? 200 : 404;
+            const mimeType = MIME_TYPES[file.ext] || MIME_TYPES.default;
+            res.writeHead(statusCode, { "Content-Type": mimeType });
+            file.stream.pipe(res);
+            console.log(`${req.method} ${req.url} ${statusCode}`);
+        });
+
+    server.listen(PORT, () => {
+        console.log(`Server available at: \n https://127.0.0.1/ \n https://local.applura.app/`);
+    });
+
+    return new Promise((res) => {
+        server.on('close', res);
+    })
+}

src/main.js

@@ -14,13 +14,15 @@ import {
 } from "./routines/setup.js";
 import deployKey from "./commands/deploy-key.js";
 import deploy from "./commands/deploy.js";
+import serve from "./commands/serve.js";
 import { getContext } from "./lib/context.js";
 
 const commands = {
   // init is a noop since the main function prepares any missing config.
   init: () => {},
   "deploy-key": deployKey,
   deploy: deploy,
+  serve: serve,
 };
 
 export default async function main(cwd, argv, stdStreams, env) {