From f7635580b04266d56adb5e2a6f78488c7bf4c517 Mon Sep 17 00:00:00 2001
From: Michael Latman <mlatman@gmail.com>
Date: Wed, 4 Dec 2024 20:05:42 -0500
Subject: [PATCH] Add PR check for new node packages

---
 package.json                       |  3 +-
 src/.github/workflows/pr-check.yml | 32 +++++++++++
 src/scripts/pr-check.js            | 89 ++++++++++++++++++++++++++++++
 3 files changed, 123 insertions(+), 1 deletion(-)
 create mode 100644 src/.github/workflows/pr-check.yml
 create mode 100644 src/scripts/pr-check.js

diff --git a/package.json b/package.json
index 4386d6f..d3b29dc 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,8 @@
     "version:patch": "npm version patch",
     "version:minor": "npm version minor",
     "version:major": "npm version major",
-    "publish:npm": "npm run build && npm publish --access public"
+    "publish:npm": "npm run build && npm publish --access public",
+    "pr-check": "node src/scripts/pr-check.js"
   },
   "bin": {
     "mcp-get": "dist/index.js"
diff --git a/src/.github/workflows/pr-check.yml b/src/.github/workflows/pr-check.yml
new file mode 100644
index 0000000..13daed3
--- /dev/null
+++ b/src/.github/workflows/pr-check.yml
@@ -0,0 +1,32 @@
+name: PR Check
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  pr-check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '18'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run PR check script
+        run: npm run pr-check
+
+      - name: Provide feedback
+        run: |
+          COMMENT="PR check completed. Please review the results."
+          gh pr comment ${{ github.event.pull_request.number }} --body "$COMMENT"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/src/scripts/pr-check.js b/src/scripts/pr-check.js
new file mode 100644
index 0000000..cec4bb6
--- /dev/null
+++ b/src/scripts/pr-check.js
@@ -0,0 +1,89 @@
+const { execSync } = require('child_process');
+const fs = require('fs');
+const path = require('path');
+const { Octokit } = require('@octokit/rest');
+
+const REQUIRED_FIELDS = ['name', 'description', 'vendor', 'sourceUrl', 'homepage', 'license', 'runtime'];
+
+async function validatePackages() {
+  const packageListPath = path.join(__dirname, '../../packages/package-list.json');
+  const packageList = JSON.parse(fs.readFileSync(packageListPath, 'utf-8'));
+
+  const newPackages = getNewPackages(packageList);
+
+  for (const pkg of newPackages) {
+    validateRequiredFields(pkg);
+    await checkNpmPublication(pkg.name);
+  }
+
+  await provideFeedback(newPackages);
+}
+
+function getNewPackages(packageList) {
+  const baseBranch = 'main';
+  const diffOutput = execSync(`git diff origin/${baseBranch} -- packages/package-list.json`).toString();
+  const newPackages = [];
+
+  const diffLines = diffOutput.split('\n');
+  let currentPackage = null;
+
+  for (const line of diffLines) {
+    if (line.startsWith('+') && !line.startsWith('+++')) {
+      const trimmedLine = line.substring(1).trim();
+      if (trimmedLine.startsWith('{')) {
+        currentPackage = {};
+      } else if (trimmedLine.startsWith('}')) {
+        if (currentPackage) {
+          newPackages.push(currentPackage);
+          currentPackage = null;
+        }
+      } else if (currentPackage) {
+        const [key, value] = trimmedLine.split(':').map(s => s.trim().replace(/,$/, '').replace(/"/g, ''));
+        currentPackage[key] = value;
+      }
+    }
+  }
+
+  return newPackages;
+}
+
+function validateRequiredFields(pkg) {
+  for (const field of REQUIRED_FIELDS) {
+    if (!pkg[field]) {
+      throw new Error(`Package ${pkg.name} is missing required field: ${field}`);
+    }
+  }
+}
+
+async function checkNpmPublication(packageName) {
+  try {
+    execSync(`npm view ${packageName}`);
+  } catch (error) {
+    throw new Error(`Package ${packageName} is not published on npm`);
+  }
+}
+
+async function provideFeedback(newPackages) {
+  const octokit = new Octokit({ auth: process.env.GITHUB_TOKEN });
+  const { data: pullRequest } = await octokit.pulls.get({
+    owner: process.env.GITHUB_REPOSITORY_OWNER,
+    repo: process.env.GITHUB_REPOSITORY,
+    pull_number: process.env.GITHUB_PULL_REQUEST_NUMBER
+  });
+
+  const feedback = newPackages.length > 0
+    ? `The following new packages were validated successfully:\n${newPackages.map(pkg => `- ${pkg.name}`).join('\n')}`
+    : 'No new packages were added in this PR.';
+
+  await octokit.issues.createComment({
+    owner: process.env.GITHUB_REPOSITORY_OWNER,
+    repo: process.env.GITHUB_REPOSITORY,
+    issue_number: pullRequest.number,
+    body: feedback
+  });
+}
+
+validatePackages().catch(error => {
+  console.error(error);
+  process.exit(1);
+});