Migrate package manager from npm to pnpm

.github/workflows/chat-lib-package.yml

@@ -29,26 +29,25 @@ jobs:
         uses: actions/setup-node@v6
         with:
           node-version: 22.x
-          cache: npm
-          cache-dependency-path: |
-            extensions/copilot/package-lock.json
-            extensions/copilot/chat-lib/package-lock.json
 
+
+      - name: Setup pnpm
+        run: corepack enable
       - name: Extract chat-lib
         shell: bash
         working-directory: extensions/copilot
         run: |
-          npm ci
-          npm run extract-chat-lib
+          pnpm install --frozen-lockfile --ignore-workspace
+          pnpm run extract-chat-lib
           rm -rf node_modules
 
       - name: Install chat-lib dependencies
         working-directory: extensions/copilot/chat-lib
-        run: npm ci
+        run: pnpm install --no-frozen-lockfile --ignore-workspace
 
       - name: Build chat-lib
         working-directory: extensions/copilot/chat-lib
-        run: npm run build
+        run: pnpm run build
 
       - name: Test chat-lib
         working-directory: extensions/copilot/chat-lib

.github/workflows/chat-perf.yml

@@ -95,8 +95,10 @@ jobs:
         uses: actions/setup-node@v6
         with:
           node-version-file: .nvmrc
-          cache: npm
 
+
+      - name: Setup pnpm
+        run: corepack enable
       - name: Install system dependencies
         run: |
           sudo apt update -y
@@ -111,19 +113,19 @@ jobs:
             libasound2t64 libxshmfence1 libgtk-3-0
 
       - name: Install dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install build dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile --ignore-workspace
         working-directory: build
 
       - name: Transpile source
-        run: npm run transpile-client
+        run: pnpm run transpile-client
 
       - name: Build copilot extension
-        run: npm run compile
+        run: pnpm run compile
         working-directory: extensions/copilot
 
       - name: Download Electron
@@ -194,8 +196,10 @@ jobs:
         uses: actions/setup-node@v6
         with:
           node-version-file: .nvmrc
-          cache: npm
 
+
+      - name: Setup pnpm
+        run: corepack enable
       - name: Install system dependencies
         run: |
           sudo apt update -y
@@ -210,7 +214,7 @@ jobs:
             libasound2t64 libxshmfence1 libgtk-3-0
 
       - name: Install dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -367,8 +371,10 @@ jobs:
         uses: actions/setup-node@v6
         with:
           node-version-file: .nvmrc
-          cache: npm
 
+
+      - name: Setup pnpm
+        run: corepack enable
       - name: Install system dependencies
         run: |
           sudo apt update -y
@@ -383,7 +389,7 @@ jobs:
             libasound2t64 libxshmfence1 libgtk-3-0
 
       - name: Install dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -467,6 +473,9 @@ jobs:
         with:
           node-version-file: .nvmrc
 
+
+      - name: Setup pnpm
+        run: corepack enable
       - name: Download perf summary data
         uses: actions/download-artifact@v8
         with:

.github/workflows/component-fixtures.yml

@@ -38,6 +38,9 @@ jobs:
         with:
           node-version-file: .nvmrc
 
+
+      - name: Setup pnpm
+        run: corepack enable
       - name: Prepare node_modules cache key
         run: mkdir -p .build && node build/azure-pipelines/common/computeNodeModulesCacheKey.ts compile $(node -p process.arch) > .build/packagelockhash
 
@@ -54,20 +57,20 @@ jobs:
 
       - name: Install dependencies
         if: steps.cache-node-modules.outputs.cache-hit != 'true'
-        run: npm ci --ignore-scripts
+        run: pnpm install --frozen-lockfile --ignore-scripts
         env:
           ELECTRON_SKIP_BINARY_DOWNLOAD: 1
           PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install build dependencies
         if: steps.cache-node-modules.outputs.cache-hit != 'true'
-        run: npm ci
+        run: pnpm install --frozen-lockfile --ignore-workspace
         working-directory: build
 
       - name: Install rspack dependencies
         if: steps.cache-node-modules.outputs.cache-hit != 'true'
-        run: npm ci
+        run: pnpm install --frozen-lockfile
         working-directory: build/rspack
 
       - name: Create node_modules archive
@@ -82,13 +85,13 @@ jobs:
         run: cp node_modules/@vscode/codicons/dist/codicon.ttf src/vs/base/browser/ui/codicons/codicon/codicon.ttf
 
       - name: Transpile source
-        run: npm run transpile-client
+        run: pnpm run transpile-client
 
       - name: Install Playwright Chromium
         run: npx playwright install chromium
 
       - name: Install Playwright test dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
         working-directory: test/componentFixtures/playwright
 
       - name: Install Playwright Chromium (tests)

.github/workflows/copilot-setup-steps.yml

@@ -33,6 +33,9 @@ jobs:
         with:
           node-version-file: .nvmrc
 
+
+      - name: Setup pnpm
+        run: corepack enable
       - name: Setup system services
         run: |
           set -e
@@ -71,7 +74,7 @@ jobs:
           set -e
 
           for i in {1..5}; do # try 5 times
-            npm ci && break
+            pnpm install --frozen-lockfile && break
             if [ $i -eq 5 ]; then
               echo "Npm install failed too many times" >&2
               exit 1
@@ -89,7 +92,7 @@ jobs:
           source ./build/azure-pipelines/linux/setup-env.sh
 
           for i in {1..5}; do # try 5 times
-            npm ci && break
+            pnpm install --frozen-lockfile && break
             if [ $i -eq 5 ]; then
               echo "Npm install failed too many times" >&2
               exit 1
@@ -136,7 +139,7 @@ jobs:
           set -e
 
           for i in {1..3}; do # try 3 times (matching retryCountOnTaskFailure: 3)
-            if npm exec -- npm-run-all2 -lp "electron x64" "playwright-install"; then
+            if pnpm exec npm-run-all2 -lp "electron x64" "playwright-install"; then
               echo "Download successful on attempt $i"
               break
             fi

.github/workflows/monaco-editor.yml

@@ -28,6 +28,9 @@ jobs:
         with:
           node-version-file: .nvmrc
 
+
+      - name: Setup pnpm
+        run: corepack enable
       - name: Compute node modules cache key
         id: nodeModulesCacheKey
         run: echo "value=$(node build/azure-pipelines/common/computeNodeModulesCacheKey.ts)" >> $GITHUB_OUTPUT
@@ -60,20 +63,20 @@ jobs:
           PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
           ELECTRON_SKIP_BINARY_DOWNLOAD: 1
         run: |
-          npm ci
+          pnpm install --frozen-lockfile
 
       - name: Download Playwright
-        run: npm run playwright-install
+        run: pnpm run playwright-install
 
       - name: Run Monaco Editor Checks
-        run: npm run monaco-compile-check
+        run: pnpm run monaco-compile-check
 
       - name: Editor Distro & ESM
-        run: npm run gulp editor-distro
+        run: pnpm run gulp editor-distro
 
       - name: Editor ESM sources check
         working-directory: ./test/monaco
-        run: npm run esm-check
+        run: pnpm run esm-check
 
       - name: Typings validation prep
         run: |
@@ -89,13 +92,13 @@ jobs:
 
       - name: Package Editor with Webpack
         working-directory: ./test/monaco
-        run: npm run bundle-webpack
+        run: pnpm run bundle-webpack
 
       - name: Compile Editor Tests
         working-directory: ./test/monaco
-        run: npm run compile
+        run: pnpm run compile
 
       - name: Run Editor Tests
         timeout-minutes: 5
         working-directory: ./test/monaco
-        run: npm run test
+        run: pnpm run test

.github/workflows/pr-darwin-test.yml

@@ -33,6 +33,9 @@ jobs:
         with:
           node-version-file: .nvmrc
 
+
+      - name: Setup pnpm
+        run: corepack enable
       - name: Prepare node_modules cache key
         run: mkdir -p .build && node build/azure-pipelines/common/computeNodeModulesCacheKey.ts darwin $VSCODE_ARCH $(node -p process.arch) > .build/packagelockhash
 
@@ -56,7 +59,7 @@ jobs:
           python3 -m pip install --break-system-packages setuptools
 
           for i in {1..5}; do # try 5 times
-            npm ci && break
+            pnpm install --frozen-lockfile && break
             if [ $i -eq 5 ]; then
               echo "Npm install failed too many times" >&2
               exit 1
@@ -104,14 +107,14 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Transpile client and extensions
-        run: npm run gulp transpile-client-esbuild transpile-extensions
+        run: pnpm run gulp transpile-client-esbuild transpile-extensions
 
       - name: Download Electron and Playwright
         run: |
           set -e
 
           for i in {1..3}; do # try 3 times (matching retryCountOnTaskFailure: 3)
-            if npm exec -- npm-run-all2 -lp "electron ${{ env.VSCODE_ARCH }}" "playwright-install"; then
+            if pnpm exec npm-run-all2 -lp "electron ${{ env.VSCODE_ARCH }}" "playwright-install"; then
               echo "Download successful on attempt $i"
               break
             fi
@@ -135,19 +138,19 @@ jobs:
       - name: 🧪 Run unit tests (node.js)
         if: ${{ inputs.electron_tests }}
         timeout-minutes: 15
-        run: npm run test-node
+        run: pnpm run test-node
 
       - name: 🧪 Run unit tests (Browser, Webkit)
         if: ${{ inputs.browser_tests }}
         timeout-minutes: 30
-        run: npm run test-browser-no-install -- --browser webkit --tfs "Browser Unit Tests"
+        run: pnpm run test-browser-no-install -- --browser webkit --tfs "Browser Unit Tests"
         env:
           DEBUG: "*browser*"
 
       - name: Build integration tests
         run: |
           set -e
-          npm run gulp \
+          pnpm run gulp \
             compile-extension:configuration-editing \
             compile-extension:css-language-features-server \
             compile-extension:emmet \
@@ -183,10 +186,10 @@ jobs:
 
       - name: Compile smoke tests
         working-directory: test/smoke
-        run: npm run compile
+        run: pnpm run compile
 
       - name: Compile extensions for smoke tests
-        run: npm run gulp compile-extension-media
+        run: pnpm run gulp compile-extension-media
 
       - name: Diagnostics before smoke test run
         run: ps -ef
@@ -196,17 +199,17 @@ jobs:
       - name: 🧪 Run smoke tests (Electron)
         if: ${{ inputs.electron_tests }}
         timeout-minutes: 20
-        run: npm run smoketest-no-compile -- --tracing
+        run: pnpm run smoketest-no-compile -- --tracing
 
       - name: 🧪 Run smoke tests (Browser, Chromium)
         if: ${{ inputs.browser_tests }}
         timeout-minutes: 20
-        run: npm run smoketest-no-compile -- --web --tracing --headless
+        run: pnpm run smoketest-no-compile -- --web --tracing --headless
 
       - name: 🧪 Run smoke tests (Remote)
         if: ${{ inputs.remote_tests }}
         timeout-minutes: 20
-        run: npm run smoketest-no-compile -- --remote --tracing
+        run: pnpm run smoketest-no-compile -- --remote --tracing
 
       - name: Diagnostics after smoke test run
         run: ps -ef