Return non-zero code if CDN check failed

.github/workflows/commenter.yml

@@ -12,8 +12,19 @@ jobs:
     - name: Use Node.js
       uses: actions/setup-node@v4
     - run: npm install
-    - run: node lib/comment.js | tee -a results.txt
+    - run: |
+        node lib/comment.js --log
+        if [ $? -ne 0 ]; then
+          echo "cdn_check=fail" >> "$GITHUB_ENV"
+        else
+          echo "cdn_check=pass" >> "$GITHUB_ENV"
+        fi
     - name: Comment PR
       uses: marocchino/sticky-pull-request-comment@v2
       with:
         path: results.txt
+    - if: ${{ env.cdn_check }} == "fail"
+      uses: actions/github-script@v3
+      with:
+        script: |
+          core.setFailed('CDN check failed!')

lib/comment.js

@@ -15,18 +15,19 @@ const newPlugins = require('../package.json').dependencies;
 const oldPlugins = JSON.parse(spawnSync('curl', ['https://raw.githubusercontent.com/next-theme/plugins/main/package.json']).stdout).dependencies;
 
 const diff = [];
+let writeBuffer = '';
 Object.keys(newPlugins).forEach(key => {
   if (!(key in oldPlugins) || newPlugins[key] !== oldPlugins[key]) {
     diff.push(key);
   }
 });
 if (diff.length > 0) {
-  console.log('The following packages are updated in the Pull Request.');
-  console.log(diff.map(item => '- ' + item).join('\n'));
-  console.log('\nThe affected CDN links are listed below.');
+  writeBuffer += 'The following packages are updated in the Pull Request.';
+  writeBuffer += diff.map(item => '- ' + item).join('\n');
+  writeBuffer += '\nThe affected CDN links are listed below.';
   printCDNTable();
 } else {
-  console.log('No packages are updated in the Pull Request.');
+  writeBuffer += 'No packages are updated in the Pull Request.';
 }
 
 function request(url) {
@@ -67,12 +68,13 @@ async function formatTable(name, links, groundTruth) {
     }
     content += `| [${key}](${url}) | ${statusCode === 200 ? '✅' : '❌'} ${statusCode} | ${integrityMatch} |\n`;
   }
-  console.log(`
+  writeBuffer += `
 ## ${name}
 
 | CDN Provider | Status | Integrity |
 | - | - | - |
-${content}`);
+${content}`;
+  return !content.includes('❌');
 }
 
 async function printCDNTable() {
@@ -82,8 +84,14 @@ async function printCDNTable() {
     const version = newPlugins[name];
     const links = getVendors({ ...value, version, minified: file });
     const integrity = await ssri
-      .fromStream(fs.createReadStream(`./node_modules/${name}/${file}`), { algorithms: ['sha256'] })
-      .toString();
-    await formatTable(key, links, integrity);
+      .fromStream(fs.createReadStream(`./node_modules/${name}/${file}`), { algorithms: ['sha256'] });
+    const fail = await formatTable(key, links, integrity.toString());
+    console.log(writeBuffer);
+    if (process.argv.includes('--log')) {
+      fs.writeFileSync('results.txt', writeBuffer);
+    }
+    if (fail) {
+      process.exit(1);
+    }
   }
 }