lap00zza · September 26, 2018 20:21 · Sep 26, 2018
diff --git a/static-server.js b/static-server.js
@@ -0,0 +1,58 @@
+const http = require("http");
+const fs = require("fs");
+const path = require("path");
+const util = require("util");
+
+const PORT = process.argv[2] || 8080;
+const __cwd = process.cwd();
+const _access = util.promisify(fs.access);
+const _readdir = util.promisify(fs.readdir);
+
+const reqListener = async (req, res) => {
+    console.log(req.url);
+    const fp = path.join(__cwd, req.url);
+    try {
+        // If file does not exist we skill to catch block.
+        await _access(fp, fs.constants.F_OK);
+        // If path is a directory, we show directory listing.
+        // TODO: The only exception is the root directory, in which
+        // index.html will be tried first before falling back
+        // to directory list.
+        if (fs.statSync(fp).isDirectory()) {
+            let files = await _readdir(fp);
+            let d_listing = "<pre>";
+            d_listing += `<a href="../">../</a>\n`;
+            files.forEach(file => {
+                try {
+                    fs.statSync(path.join(fp, file)).isDirectory()
+                        ? d_listing += `<a href="${file}/">${file}/</a>`
+                        : d_listing += `<a href="${file}">${file}</a>`;
+                } catch (e) {
+                    console.error(e.message);
+                    d_listing += `<a href="${file}">${file}</a>`;
+                }
+                d_listing += "\n";
+            });
+            d_listing += "</pre>";
+            res.writeHead(200, {
+                "Content-Type": "text/html"
+            });
+            return res.end(d_listing);
+        } else {
+            const readable = fs.createReadStream(fp);
+            res.writeHead(200, {
+                "Content-Length": fs.statSync(fp).size,
+            });
+            readable.pipe(res);
+        }
+    } catch (e) {
+        console.log(e);
+        res.writeHead(404);
+        res.end(":(");
+    }
+};
+
+const server = http.createServer(reqListener);
+server.listen(PORT, () => {
+    console.log(`Serving on http://localhost:${PORT}`);
+});