Initial Commit

server.mjs

@@ -0,0 +1,96 @@
+import { createReadStream, existsSync, readFileSync, statSync } from "node:fs";
+import { createServer } from "node:http";
+import { extname, join, relative, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const root = resolve(fileURLToPath(new URL(".", import.meta.url)), "website");
+const publicRoot = join(root, "public");
+
+function loadEnvFile(file = ".env") {
+  if (!existsSync(file)) return;
+
+  const lines = readFileSync(file, "utf8").split(/\r?\n/);
+  lines.forEach((line) => {
+    const trimmed = line.trim();
+    if (!trimmed || trimmed.startsWith("#")) return;
+
+    const separatorIndex = trimmed.indexOf("=");
+    if (separatorIndex < 1) return;
+
+    const key = trimmed.slice(0, separatorIndex).trim();
+    const value = trimmed.slice(separatorIndex + 1).trim().replace(/^["']|["']$/g, "");
+    if (!process.env[key]) process.env[key] = value;
+  });
+}
+
+loadEnvFile();
+
+const port = Number(process.env.PORT || 5173);
+
+const types = {
+  ".html": "text/html; charset=utf-8",
+  ".css": "text/css; charset=utf-8",
+  ".js": "text/javascript; charset=utf-8",
+  ".json": "application/json; charset=utf-8",
+  ".svg": "image/svg+xml",
+  ".ico": "image/x-icon",
+  ".png": "image/png",
+  ".jpg": "image/jpeg",
+  ".jpeg": "image/jpeg",
+  ".webp": "image/webp"
+};
+
+function isInsideRoot(parent, file) {
+  const relativePath = relative(parent, file);
+  return Boolean(relativePath) && !relativePath.startsWith("..") && !relativePath.startsWith("/");
+}
+
+function fileIfReadable(file) {
+  return isInsideRoot(root, file) && existsSync(file) && statSync(file).isFile() ? file : null;
+}
+
+function resolvePath(url) {
+  let requested;
+  try {
+    requested = decodeURIComponent(new URL(url, "http://localhost").pathname);
+  } catch {
+    return null;
+  }
+
+  const candidate = fileIfReadable(resolve(root, `.${requested}`));
+  if (candidate) return candidate;
+
+  const publicCandidate = fileIfReadable(resolve(publicRoot, `.${requested}`));
+  if (publicCandidate && isInsideRoot(publicRoot, publicCandidate)) return publicCandidate;
+
+  return join(publicRoot, "index.html");
+}
+
+const server = createServer((req, res) => {
+  const file = resolvePath(req.url || "/");
+  if (!file || !existsSync(file)) {
+    res.writeHead(404);
+    res.end("Not found");
+    return;
+  }
+
+  res.writeHead(200, {
+    "Content-Type": types[extname(file)] || "application/octet-stream",
+    "Cache-Control": "no-store"
+  });
+  createReadStream(file).pipe(res);
+});
+
+server.on("error", (error) => {
+  if (error.code === "EADDRINUSE") {
+    console.error(`Port ${port} is already in use. Set PORT to another value.`);
+    process.exit(1);
+  }
+
+  console.error(error);
+  process.exit(1);
+});
+
+server.listen(port, () => {
+  console.log(`Sokko G dev server running at http://localhost:${port}`);
+});