chore: auto delete unwanted versions (microsoft#580)

.github/workflows/create_release.yml

@@ -31,7 +31,9 @@ jobs:
       - name: Install dependencies
         run: npm ci
       - name: Delete optionally previous version
-        run: node src/remove_version.js ${{ github.event.inputs.version }}
+        run: node src/versions.js --delete ${{ github.event.inputs.version }}
+      - name: Delete stale versions
+        run: node src/versions.js --delete-stale-minor-versions ${{ github.event.inputs.version }}
       - name: Roll
         run: npm run roll
         env:

README.md

@@ -21,7 +21,7 @@ SRC_DIR=~/code/playwright npm run roll
 ### Remove old release
 
 ```sh
-node src/remove_version.js 1.16
+node src/versions.js --delete 1.16
 ```
 
 ### Run dev server

src/versions.js

@@ -0,0 +1,59 @@
+// @ts-check
+const fs = require('fs');
+const path = require('path');
+const rimraf = require('rimraf');
+
+const rootDir = path.join(__dirname, '..');
+
+/**
+ * @param {string} version 
+ */
+function removeVersion(version) {
+  for (const lang of ['nodejs', 'python', 'java', 'dotnet']) {
+    rimraf.sync(path.join(rootDir, lang, 'versioned_sidebars', `version-${version}-sidebars.json`));
+    rimraf.sync(path.join(rootDir, lang, 'versioned_docs', `version-${version}`));
+    const versions = JSON.parse(fs.readFileSync(path.join(rootDir, lang, 'versions.json'), 'utf-8'));
+    const newVersions = versions.filter(v => v !== version);
+    fs.writeFileSync(path.join(rootDir, lang, 'versions.json'), JSON.stringify(newVersions, null, 2) + '\n');
+  }
+}
+
+/**
+ * @param {string} currentVersion
+ */
+function removeStaleMinorVersions(currentVersion) {
+  const kKeepRecentMinorVersions = 3;
+  const [currentMajorVersion, currentMinorVersion] = currentVersion.split('.').map(v => parseInt(v, 10));
+  /** @type {string[]} */
+  const existingVersions = require(path.join(rootDir, 'nodejs', 'versions.json'));
+  for (const version of existingVersions) {
+    const [majorVersion, minorVersion] = version.split('.').map(v => parseInt(v, 10));
+    if (currentMajorVersion === majorVersion && minorVersion <= (currentMinorVersion - kKeepRecentMinorVersions))
+      removeVersion(version);
+  }
+}
+
+if (!process.argv[2]) {
+  console.error([
+    'Usage: node versions.js --delete <version>',
+    'Usage: node versions.js --delete-stale-minor-versions <version>',
+  ].join('\n'));
+  process.exit(1);
+}
+
+switch (process.argv[2]) {
+  case '--delete':
+    if (!process.argv[3])
+      throw new Error('Missing version');
+    removeVersion(process.argv[3]);
+    break;
+
+  case '--delete-stale-minor-versions':
+    if (!process.argv[3])
+      throw new Error('Missing version');
+    removeStaleMinorVersions(process.argv[3]);
+    break;
+
+  default:
+    throw new Error('Unknown command: ' + process.argv[2]);
+}