feat: implement core code review extension

scripts/build.mjs

@@ -0,0 +1,42 @@
+import * as esbuild from 'esbuild';
+import { copyFileSync, mkdirSync, existsSync, cpSync } from 'fs';
+import { resolve, dirname } from 'path';
+import { fileURLToPath } from 'url';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const rootDir = resolve(__dirname, '..');
+const outDir = resolve(rootDir, 'out');
+
+if (!existsSync(outDir)) {
+  mkdirSync(outDir, { recursive: true });
+}
+
+await esbuild.build({
+  entryPoints: [resolve(rootDir, 'src', 'extension.ts')],
+  bundle: true,
+  outfile: resolve(outDir, 'extension.js'),
+  external: [
+    'vscode',
+    'eslint',
+    'stylelint',
+    'child_process',
+    'fs',
+    'path',
+    'url',
+    'os',
+  ],
+  format: 'cjs',
+  platform: 'node',
+  target: 'node22',
+  minify: true,
+  sourcemap: false,
+  treeShaking: true,
+});
+
+const jarsSrc = resolve(rootDir, 'jars');
+const jarsDest = resolve(outDir, 'jars');
+if (existsSync(jarsSrc)) {
+  cpSync(jarsSrc, jarsDest, { recursive: true, force: true });
+}
+
+console.log('Build complete.');

scripts/download-pmd.mjs

@@ -0,0 +1,54 @@
+import { existsSync, mkdirSync, createWriteStream, unlinkSync } from 'fs';
+import { resolve, dirname } from 'path';
+import { fileURLToPath } from 'url';
+import { get } from 'https';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const rootDir = resolve(__dirname, '..');
+const libDir = resolve(rootDir, 'jars', 'pmd', 'lib');
+
+const PMD_VERSION = '7.26.0';
+const PMD_JARS = [
+  `pmd-core-${PMD_VERSION}.jar`,
+  `pmd-java-${PMD_VERSION}.jar`,
+  `pmd-javascript-${PMD_VERSION}.jar`,
+  `pmd-jsp-${PMD_VERSION}.jar`,
+];
+
+const MAVEN_BASE = `https://repo1.maven.org/maven2/net/sourceforge/pmd`;
+
+function downloadFile(url, dest) {
+  return new Promise((resolvePromise, reject) => {
+    const file = createWriteStream(dest);
+    get(url, (response) => {
+      if (response.statusCode === 302 || response.statusCode === 301) {
+        downloadFile(response.headers.location, dest).then(resolvePromise).catch(reject);
+        return;
+      }
+      response.pipe(file);
+      file.on('finish', () => { file.close(); resolvePromise(); });
+      file.on('error', (err) => { unlinkSync(dest); reject(err); });
+    }).on('error', (err) => { unlinkSync(dest); reject(err); });
+  });
+}
+
+if (!existsSync(libDir)) {
+  mkdirSync(libDir, { recursive: true });
+}
+
+for (const jar of PMD_JARS) {
+  const moduleName = jar.replace(`-${PMD_VERSION}.jar`, '').replace('pmd-', '');
+  const url = `${MAVEN_BASE}/pmd-${moduleName}/${PMD_VERSION}/${jar}`;
+  const dest = resolve(libDir, jar);
+
+  if (existsSync(dest)) {
+    console.log(`Skip: ${jar} (exists)`);
+    continue;
+  }
+
+  console.log(`Downloading: ${url}`);
+  await downloadFile(url, dest);
+  console.log(`Done: ${jar}`);
+}
+
+console.log('PMD JARs download complete.');

scripts/package-prod.mjs

@@ -0,0 +1,11 @@
+import { execSync } from 'child_process';
+import { resolve, dirname } from 'path';
+import { fileURLToPath } from 'url';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const rootDir = resolve(__dirname, '..');
+
+execSync('node scripts/build.mjs', { cwd: rootDir, stdio: 'inherit' });
+execSync('npx vsce package', { cwd: rootDir, stdio: 'inherit' });
+
+console.log('Production package complete.');