chore: migrate to PNPM

.github/actions/setup-node-deps/action.yml

@@ -25,33 +25,40 @@ outputs:
 runs:
   using: 'composite'
   steps:
+    - name: Install pnpm
+      uses: pnpm/action-setup@v4
+      with:
+        version: '10'
+        run_install: false
+
     - name: Install Node
       uses: actions/setup-node@v4
       with:
         node-version: ${{ inputs.node-version }}
+        cache: 'pnpm'
 
-    - name: Get NPM cache directory
+    - name: Get PNPM store directory
       id: npm-cache-dir
       shell: bash
-      run: echo "dir=$(npm config get cache)" >> ${GITHUB_OUTPUT}
+      run: echo "dir=$(pnpm store path)" >> ${GITHUB_OUTPUT}
 
-    - name: Restore NPM cache
+    - name: Restore PNPM store
       id: restore-cache
       uses: actions/cache/restore@v4
       with:
         path: ${{ steps.npm-cache-dir.outputs.dir }}
-        key: npm-main-${{ inputs.platform }}-${{ hashFiles('./package-lock.json') }}
+        key: pnpm-main-${{ inputs.platform }}-${{ hashFiles('./pnpm-lock.yaml') }}
         restore-keys: |
-          npm-main-${{ inputs.platform }}-
+          pnpm-main-${{ inputs.platform }}-
 
     - name: Download dependencies
       shell: bash
       run: |
-        npm ci --ignore-scripts --verbose || npm ci --ignore-scripts --verbose || npm ci --ignore-scripts --verbose
+        pnpm install --frozen-lockfile || pnpm install --frozen-lockfile || pnpm install --frozen-lockfile
 
-    - name: Save NPM cache
+    - name: Save PNPM store
       if: inputs.save-cache == 'true'
       uses: actions/cache/save@v4
       with:
         path: ${{ steps.npm-cache-dir.outputs.dir }}
-        key: npm-main-${{ inputs.platform }}-${{ hashFiles('./package-lock.json') }}
+        key: pnpm-main-${{ inputs.platform }}-${{ hashFiles('./pnpm-lock.yaml') }}

.github/workflows/ci.yml

@@ -178,7 +178,7 @@ jobs:
         working-directory: ${{ runner.temp }}
 
       - name: Compile code
-        run: npm run build -- --ignore @temporalio/core-bridge
+        run: pnpm run build --ignore @temporalio/core-bridge
 
       - name: Publish to Verdaccio
         run: node scripts/publish-to-verdaccio.js --registry-dir ${{ steps.tmp-dir.outputs.dir }}/npm-registry
@@ -196,7 +196,7 @@ jobs:
             --headless &> ./devserver.log &
 
       - name: Run Tests
-        run: npm run test
+        run: pnpm run test
         env:
           RUN_INTEGRATION_TESTS: true
           REUSE_V8_CONTEXT: ${{ matrix.reuse-v8-context }}
@@ -260,6 +260,7 @@ jobs:
 
       # End samples
 
+      # TODO: PNPM doesn't write logs to file by default
       - name: Upload NPM logs
         uses: actions/upload-artifact@v4
         if: failure() || cancelled()

.github/workflows/conventions.yml

@@ -48,7 +48,7 @@ jobs:
 
       # eslint-import-resolver-typescript requires packages to be built
       - name: Compile all non-rust code
-        run: npm run build -- --ignore @temporalio/core-bridge
+        run: pnpm run build --ignore @temporalio/core-bridge
 
-      - run: npm run lint.check
-      - run: npm run lint.prune
+      - run: pnpm run lint.check
+      - run: pnpm run lint.prune

.github/workflows/docs.yml

@@ -45,10 +45,10 @@ jobs:
           node-version: '22'
           platform: 'linux-x64'
 
-      - run: npm run build -- --ignore @temporalio/core-bridge
+      - run: pnpm run build --ignore @temporalio/core-bridge
 
       - name: Build docs
-        run: npm run docs
+        run: pnpm run docs
         env:
           ALGOLIA_API_KEY: ${{ secrets.ALGOLIA_API_KEY }}
 
@@ -57,8 +57,9 @@ jobs:
         env:
           VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
           VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
+          VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
         run: |
-          npx vercel deploy packages/docs/build \
-            -t '${{ secrets.VERCEL_TOKEN }}' \
+          pnpm dlx vercel deploy packages/docs/build \
+            -t "$VERCEL_TOKEN" \
             --yes \
             ${{ inputs.publish_target == 'prod' && '--prod' || '' }}

.github/workflows/nightly-throughput-stress.yml

@@ -81,6 +81,7 @@ jobs:
         with:
           node-version: '22'
           platform: 'linux-x64'
+          save-cache: 'true'
 
       - name: Install protoc
         uses: arduino/setup-protoc@v3
@@ -101,13 +102,6 @@ jobs:
         env:
           BUILD_CORE_RELEASE: true
 
-      - name: Save NPM cache
-        uses: actions/cache/save@v4
-        if: always()
-        with:
-          path: ${{ steps.setup-node.outputs.cache-dir }}
-          key: npm-main-linux-x64-${{ hashFiles('./package-lock.json') }}
-
       - name: Install Temporal CLI
         uses: temporalio/setup-temporal@v0
 

.github/workflows/release.yml

@@ -175,9 +175,10 @@ jobs:
         with:
           node-version: '22'
           platform: ${{ matrix.platform }}
+          save-cache: ${{ env.IS_MAIN_OR_RELEASE }}
 
       - name: Compile code
-        run: npm run build -- --ignore @temporalio/core-bridge
+        run: pnpm run build --ignore @temporalio/core-bridge
 
       - name: Publish to Verdaccio
         run: node scripts/publish-to-verdaccio.js --registry-dir ./tmp/registry
@@ -188,14 +189,6 @@ jobs:
           name: verdaccio-repo
           path: ./tmp/registry/storage
 
-      - name: Save NPM cache
-        uses: actions/cache/save@v4
-        # Only saves NPM cache from the main branch, to reduce pressure on the cache (limited to 10GB).
-        if: ${{ env.IS_MAIN_OR_RELEASE == 'true' }}
-        with:
-          path: ${{ steps.setup-node.outputs.cache-dir }}
-          key: npm-main-${{ matrix.platform }}-${{ hashFiles('./package-lock.json') }}
-
   # Tests that npm init @temporalio results in a working worker and client
   test-npm-init:
     needs: build-packages

.github/workflows/stress.yml

@@ -89,7 +89,7 @@ jobs:
           save-if: ${{ env.IS_MAIN_OR_RELEASE == 'true' }}
 
       - name: Compile code
-        run: npm run build
+        run: pnpm run build
         env:
           BUILD_CORE_RELEASE: true
 

.prettierignore

@@ -11,6 +11,7 @@ packages/*/CHANGELOG.md
 packages/docs/docs/api
 typedoc-sidebar.js
 lerna.json
+pnpm-lock.yaml
 README.md
 packages/proto/protos/root.d.ts
 packages/proto/protos/json-module.js

lerna.json

@@ -1,6 +1,7 @@
 {
   "version": "1.13.2",
   "npmClient": "npm",
+  "npmClient": "pnpm",
   "command": {
     "publish": {
       "message": "chore(release): Publish",
@@ -11,4 +12,4 @@
     }
   },
   "$schema": "node_modules/lerna/schemas/lerna-schema.json"
-}
+}