Removes http-server

eslint.config.js

@@ -34,6 +34,7 @@ export default [
     languageOptions: { globals: globals.browser },
     ...common,
     ignores: [
+      'server.js',
       'test.js',
       'demo/react/*',
     ],
@@ -44,7 +45,7 @@ export default [
     ...common,
   },
   {
-    files: ['test.js'],
+    files: ['server.js', 'test.js'],
     languageOptions: { globals: { ...globals.browser, ...globals.node } },
     ...common,
   },

package.json

@@ -14,7 +14,7 @@
     "registry": "https://registry.npmjs.org/"
   },
   "scripts": {
-    "start": "http-server -o demo -c-1",
+    "start": "ROOT=./demo node ./server.js",
     "lint": "eslint --max-warnings=0 .",
     "lint-fix": "eslint --fix .",
     "test": "node test.js | tap-parser -l"
@@ -28,7 +28,6 @@
   "dependencies": {},
   "devDependencies": {
     "eslint": "^8.56.0",
-    "http-server": "^14.1.1",
     "puppeteer": "^21.10.0",
     "tap-parser": "^15.3.1"
   }

server.js

@@ -0,0 +1,99 @@
+import http from 'http';
+import fs from 'fs';
+import path from 'path';
+
+const port = process.env.PORT || 8080;
+const root = process.env.ROOT || '.';
+const head = process.env.HEAD || null;
+
+const userHeaders = JSON.parse(head);
+
+const mimeLookup = new Map([
+  ['.css',  'text/css'],
+  ['.html', 'text/html'],
+  ['.ico',  'image/x-icon'],
+  ['.js',   'application/javascript'],
+  ['.json', 'application/json'],
+  ['.md', 'text/markdown'],
+  ['.png',  'image/png'],
+  ['.txt',  'text/plain'],
+]);
+
+class Server {
+  static requestListener(request, response) {
+    if (request.method === 'GET') {
+      const fileUrl = request.url;
+      const filePath = path.resolve(`${root}/${fileUrl}`);
+      const fileExt = path.extname(filePath);
+      const mimeType = mimeLookup.get(fileExt);
+
+      if (fileExt) {
+        if (mimeType) {
+          fs.stat(filePath, (error, stats) => {
+            if (stats) {
+              Server.sendFile(response, filePath, mimeType, stats.size);
+            } else {
+              Server.sendFileNotFound(response);
+            }
+          });
+        } else {
+          Server.sendUnknownMimeType(response, fileExt);
+        }
+      } else {
+        if (fileUrl.endsWith('/')) {
+          const directoryIndex = `${filePath}/index.html`;
+          fs.stat(directoryIndex, (error, stats) => {
+            if (stats) {
+              Server.sendFile(response, directoryIndex, 'text/html', stats.size);
+            } else {
+              // @TODO pushState optional
+              Server.sendRootIndex(response);
+            }
+          });
+        } else {
+          Server.sendRedirect(response, `${fileUrl}/`);
+        }
+      }
+    }
+  }
+
+  static sendUnknownMimeType(response, fileExt) {
+    const message = `Error 500: Unknown MIME type for file extension: ${fileExt}`;
+    response.writeHead(500, { 'Content-Type': 'text/plain', 'Content-Length': message.length, ...userHeaders });
+    response.write(message);
+    response.end();
+  }
+
+  static sendFileNotFound(response) {
+    const message = 'Error 404: Resource not found.';
+    response.writeHead(404, { 'Content-Type': 'text/plain', 'Content-Length': message.length, ...userHeaders });
+    response.write(message);
+    response.end();
+  }
+
+  static sendRedirect(response, location) {
+    response.writeHead(301, { 'Content-Type': 'text/plain', 'Content-Length': 0, location, ...userHeaders });
+    response.end();
+  }
+
+  static sendFile(response, filePath, mimeType, contentLength) {
+    response.writeHead(200, { 'Content-Type': mimeType, 'Content-Length': contentLength, ...userHeaders });
+    fs.createReadStream(filePath).pipe(response);
+  }
+
+  static sendRootIndex(response) {
+    const rootIndex = `${root}/index.html`;
+    fs.stat(rootIndex, (error, stats) => {
+      if (stats) {
+        Server.sendFile(response, rootIndex, 'text/html', stats.size);
+      } else {
+        Server.sendFileNotFound(response);
+      }
+    });
+  }
+}
+
+http.createServer(Server.requestListener).listen(port, () => {
+  // eslint-disable-next-line no-console
+  console.log(`Development server running: http://localhost:${port}`);
+});