Workflow to update JupyterLab dependencies automatically

.github/workflows/upgrade-juypterlab-dependencies.yml

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+name: Check for latest JupyterLab releases
+
+on:
+  schedule:
+    - cron: 30 17 * * *
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'JupyterLab version'
+        default: latest
+        required: true
+        type: string
+
+env:
+  version_tag: 'latest'
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  check_for_lab_updates:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+
+      - name: Install required dependencies
+        run: |
+          python -m pip install jupyterlab
+          sudo apt-get install hub
+
+      - name: Install Node
+        uses: actions/setup-node@v2
+        with:
+          node-version: '20.x'
+
+      - name: Install npm dependencies and build buildutils
+        run: |
+          jlpm install
+          jlpm run build:utils
+
+      - name: Check for new releases and update
+        shell: bash
+        run: |
+          set -eux
+          for version in ${{ inputs.version || env.version_tag }}
+          do
+            export LATEST=$(node buildutils/lib/get-latest-lab-version.js --set-version $version)
+          done
+
+          echo "latest=${LATEST}" >> $GITHUB_ENV
+          node buildutils/lib/upgrade-lab-dependencies.js --set-version ${LATEST}
+          if [[ ! -z "$(git status --porcelain package.json)" ]]; then
+            jlpm install
+          fi
+
+      - name: Create a PR
+        shell: bash
+        env:
+          GITHUB_USER: ${{ secrets.G_USER }}
+          GITHUB_TOKEN: ${{ secrets.G_TOKEN }}
+        run: |
+          set -eux
+
+          export LATEST=${{ env.latest }}
+          export BRANCH_NAME=update-to-v${LATEST}
+
+          # if resulted in any change:
+          if [[ ! -z "$(git status --porcelain package.json)" ]]; then
+            # if branch already exists.
+            if git ls-remote --heads origin | grep "refs/heads/${BRANCH_NAME}$" > /dev/null; then
+              echo "Branch '${BRANCH_NAME}' exists."
+            else
+              # new branch is created
+              git checkout -b "${BRANCH_NAME}"
+              git config user.name "Jupyter Bot"
+              git config user.email '[email protected]'
+
+              git commit . -m "Update to JupyterLab v${LATEST}"
+
+              git push --set-upstream origin "${BRANCH_NAME}"
+              hub pull-request -m "Update to JupyterLab v${LATEST}" \
+                  -m "New JupyterLab release [v${LATEST}](https://github.com/jupyterlab/jupyterlab/releases/tag/v${LATEST}) is available. Please review the lock file carefully.".
+            fi
+          fi

buildutils/src/get-latest-lab-version.ts

@@ -0,0 +1,54 @@
+function extractVersionFromReleases(
+  releases: any,
+  versionTag: string
+): string | null {
+  for (const release of releases) {
+    const tagName: string = release['tag_name'];
+    if (versionTag === 'latest') {
+      if (!release['prerelease'] && !release['draft']) {
+        return tagName;
+      }
+    } else if (versionTag === tagName) {
+      return tagName;
+    }
+  }
+  return null;
+}
+
+async function findVersion(versionTag: string): Promise<string> {
+  const url = 'https://api.github.com/repos/jupyterlab/jupyterlab/releases';
+  const response = await fetch(url);
+  if (!response.ok) {
+    const error_message = `Failed to fetch package.json from ${url}. HTTP status code: ${response.status}`;
+    throw new Error(error_message);
+  }
+  const releases: any = await response.json();
+  const version: string | null = extractVersionFromReleases(
+    releases,
+    versionTag
+  );
+  if (version === null) {
+    const error_message = 'Invalid release tag';
+    throw new Error(error_message);
+  }
+  return version.substring(1);
+}
+
+async function getLatestLabVersion(): Promise<void> {
+  const args: string[] = process.argv.slice(2);
+  if (args.length !== 2 || args[0] !== '--set-version') {
+    console.error('Usage: node script.js --set-version <version>');
+    process.exit(1);
+  }
+  const version_tag: string = args[1];
+
+  try {
+    const result: string = await findVersion(version_tag);
+    console.log(result);
+  } catch (error: any) {
+    console.error('Error:', error.message);
+    process.exit(1);
+  }
+}
+
+getLatestLabVersion();

buildutils/src/upgrade-lab-dependencies.ts

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+import fs from 'fs';
+import path from 'path';
+
+const PACKAGE_JSON_PATHS: string[] = [
+  'app/package.json',
+  'buildutils/package.json',
+  'package.json',
+  'packages/application-extension/package.json',
+  'packages/application/package.json',
+  'packages/console-extension/package.json',
+  'packages/docmanager-extension/package.json',
+  'packages/documentsearch-extension/package.json',
+  'packages/help-extension/package.json',
+  'packages/lab-extension/package.json',
+  'packages/notebook-extension/package.json',
+  'packages/terminal-extension/package.json',
+  'packages/tree-extension/package.json',
+  'packages/tree/package.json',
+  'packages/ui-components/package.json',
+];
+
+const DEPENDENCY_GROUP = '@jupyterlab';
+
+async function updatePackageJson(newVersion: string): Promise<void> {
+  const url = `https://raw.githubusercontent.com/jupyterlab/jupyterlab/v${newVersion}/jupyterlab/staging/package.json`;
+  const response = await fetch(url);
+
+  if (!response.ok) {
+    const errorMessage = `Failed to fetch package.json from ${url}. HTTP status code: ${response.status}`;
+    throw new Error(errorMessage);
+  }
+
+  const newPackageJson = await response.json();
+
+  for (const packageJsonPath of PACKAGE_JSON_PATHS) {
+    const filePath: string = path.resolve(packageJsonPath);
+    const existingPackageJson = JSON.parse(fs.readFileSync(filePath, 'utf-8'));
+
+    const newDependencies = {
+      ...newPackageJson.devDependencies,
+      ...newPackageJson.resolutions,
+    };
+
+    updateDependencyVersion(existingPackageJson, newDependencies);
+
+    fs.writeFileSync(filePath, JSON.stringify(existingPackageJson, null, 2));
+  }
+}
+
+function updateDependencyVersion(existingJson: any, newJson: any): void {
+  if (!existingJson) {
+    return;
+  }
+
+  const sectionPaths: string[] = [
+    'resolutions',
+    'dependencies',
+    'devDependencies',
+  ];
+
+  for (const section of sectionPaths) {
+    if (!existingJson[section]) {
+      continue;
+    }
+
+    const updated = existingJson[section];
+
+    for (const [pkg, version] of Object.entries<string>(
+      existingJson[section]
+    )) {
+      if (pkg.startsWith(DEPENDENCY_GROUP) && pkg in newJson) {
+        if (version[0] === '^' || version[0] === '~') {
+          updated[pkg] = version[0] + absoluteVersion(newJson[pkg]);
+        } else {
+          updated[pkg] = absoluteVersion(newJson[pkg]);
+        }
+      }
+    }
+  }
+}
+
+function absoluteVersion(version: string): string {
+  if (version.length > 0 && (version[0] === '^' || version[0] === '~')) {
+    return version.substring(1);
+  }
+  return version;
+}
+
+async function upgradeLabDependencies(): Promise<void> {
+  const args: string[] = process.argv.slice(2);
+
+  if (args.length !== 2 || args[0] !== '--set-version') {
+    console.error('Usage: node script.js --set-version <version>');
+    process.exit(1);
+  }
+
+  const newVersion: string = args[1];
+  await updatePackageJson(newVersion);
+}
+
+upgradeLabDependencies();