Migrate to pnpm and ESM

.changeset/config.json

@@ -7,5 +7,10 @@
   "access": "public",
   "baseBranch": "master",
   "updateInternalDependencies": "patch",
-  "ignore": ["@workspace/workspace-plugin"]
+  "ignore": [
+    "operation-location-migration-e2e",
+    "typescript-resolver-files-e2e",
+    "@workspace/workspace-plugin",
+    "@workspace/testing"
+  ]
 }

.changeset/twenty-phones-camp.md

@@ -0,0 +1,7 @@
+---
+'@eddeee888/gcg-operation-location-migration': minor
+'@eddeee888/gcg-typescript-resolver-files': minor
+'@eddeee888/gcg-server-config': minor
+---
+
+Migrate to ESM

.github/workflows/ci.yml

@@ -10,9 +10,6 @@ concurrency:
   group: ci-${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
-env:
-  node-version: '24.x'
-
 jobs:
   install-deps:
     strategy:
@@ -21,30 +18,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     name: Install Dependencies
     steps:
-      - name: Check out repository
-        uses: actions/checkout@v7
-
-      - name: Set up Node.js
-        uses: actions/setup-node@v7
-        with:
-          node-version: ${{ env.node-version }}
-          cache: yarn
-          cache-dependency-path: '**/yarn.lock'
-
-      - name: Install deps
-        run: yarn install --prefer-offline --frozen-lockfile
-
-      - name: Cache node_modules
-        uses: actions/cache@v6
-        id: cache-node-modules
-        with:
-          path: |
-            node_modules
-            packages/*/node_modules
-            tools/*/node_modules
-          key: node-modules-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            node-modules-${{ runner.os }}-
+      - uses: actions/checkout@v7
+      - uses: pnpm/setup@v2
 
   precheck:
     name: Check jobs to run
@@ -60,23 +35,7 @@ jobs:
         uses: actions/checkout@v7
         with:
           fetch-depth: 0
-
-      - name: Set up Node.js
-        uses: actions/setup-node@v7
-        with:
-          node-version: ${{ env.node-version }}
-
-      - name: Restore node_modules cache
-        uses: actions/cache@v6
-        with:
-          path: |
-            node_modules
-            packages/*/node_modules
-            tools/*/node_modules
-          key: node-modules-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            node-modules-${{ runner.os }}-
-
+      - uses: pnpm/setup@v2
       - name: Check affected projects
         id: affected
         run: |

.github/workflows/operation-location-migration-e2e.yml

@@ -3,32 +3,23 @@ name: operation-location-migration-e2e
 on:
   workflow_call:
 
-env:
-  node-version: '24.x'
-
 jobs:
   operation-location-migration-e2e:
     strategy:
       matrix:
         os: [ubuntu-22.04, windows-latest]
-        node-version: [22.x, 24.x]
+        node-version: [22, 24]
     runs-on: ${{ matrix.os }}
     defaults:
       run:
         shell: bash
     steps:
-      - name: Check out repository
-        uses: actions/checkout@v7
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
-
-      - name: Set up Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v7
+      - uses: pnpm/setup@v2
         with:
-          node-version: ${{ matrix.node-version }}
-
-      - name: Use graphql@16 # packages like `typescript-react-apollo` are not compatible with graphql@17
-        run: yarn add -DEW graphql@16
+          runtime: node@${{ matrix.node-version }}
 
       - name: e2e
-        run: yarn nx e2e operation-location-migration-e2e
+        run: pnpm nx e2e operation-location-migration-e2e

.github/workflows/operation-location-migration.yml

@@ -3,38 +3,21 @@ name: operation-location-migration
 on:
   workflow_call:
 
-env:
-  node-version: '24.x'
-
 jobs:
   operation-location-migration:
     strategy:
       matrix:
         os: [ubuntu-22.04, windows-latest]
-        node-version: [22.x, 24.x]
+        node-version: [22, 24]
     runs-on: ${{ matrix.os }}
     steps:
-      - name: Check out repository
-        uses: actions/checkout@v7
-
-      - name: Set up Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v7
-        with:
-          node-version: ${{ matrix.node-version }}
-
-      - name: Restore node_modules cache
-        uses: actions/cache@v6
+      - uses: actions/checkout@v7
+      - uses: pnpm/setup@v2
         with:
-          path: |
-            node_modules
-            packages/*/node_modules
-            tools/*/node_modules
-          key: node-modules-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            node-modules-${{ runner.os }}-
+          runtime: node@${{ matrix.node-version }}
 
       - name: Lint
-        run: yarn nx lint operation-location-migration
+        run: pnpm nx lint operation-location-migration
 
       - name: Build
-        run: yarn nx build operation-location-migration
+        run: pnpm nx build operation-location-migration

.github/workflows/release.yml

@@ -25,20 +25,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v7
-
-      - uses: actions/setup-node@v7
-        with:
-          node-version: ${{ env.node-version }}
-          cache: yarn
-          cache-dependency-path: '**/yarn.lock'
-
-      - run: yarn install --prefer-offline
+      - uses: pnpm/setup@v2
 
       - name: Create Release Pull Request or Publish to NPM
         id: changesets
         uses: changesets/action@v1.9.0
         with:
-          publish: yarn release
+          publish: pnpm release
           commit: 'chore(release): update packages versions'
           title: 'Upcoming Release Changes'
         env:
@@ -112,21 +105,13 @@ jobs:
           persist-credentials: true
           repository: ${{ fromJson(steps.get_pull_request_ref.outputs.data).head.repo.full_name }}
           ref: ${{ fromJson(steps.get_pull_request_ref.outputs.data).head.ref }}
-
-      - uses: actions/setup-node@v7
-        with:
-          node-version: ${{ env.node-version }}
-          registry-url: 'https://registry.npmjs.org'
-          cache: yarn
-          cache-dependency-path: '**/yarn.lock'
-
-      - run: yarn install --prefer-offline
+      - uses: pnpm/setup@v2
 
       - name: Deploy snapshot
         run: |
-          yarn changeset version --snapshot $RELEASE_TAG
-          yarn nx run-many --target=build
-          yarn changeset publish --tag alpha --no-git-tag
+          pnpm changeset version --snapshot $RELEASE_TAG
+          pnpm nx run-many --target=build
+          pnpm changeset publish --tag alpha --no-git-tag
         env:
           GITHUB_TOKEN: ${{ env.github-token }}
           RELEASE_TAG: ${{ env.snapshot-release-tag }}

.github/workflows/typescript-resolver-files-e2e.yml

@@ -3,40 +3,23 @@ name: typescript-resolver-files-e2e
 on:
   workflow_call:
 
-env:
-  node-version: '24.x'
-
 jobs:
   typescript-resolver-files-e2e:
     strategy:
       matrix:
         os: [ubuntu-22.04, windows-latest]
-        node-version: [22.x, 24.x]
+        node-version: [22, 24]
     runs-on: ${{ matrix.os }}
     defaults:
       run:
         shell: bash
     steps:
-      - name: Check out repository
-        uses: actions/checkout@v7
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
-
-      - name: Set up Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v7
-        with:
-          node-version: ${{ matrix.node-version }}
-
-      - name: Restore node_modules cache
-        uses: actions/cache@v6
+      - uses: pnpm/setup@v2
         with:
-          path: |
-            node_modules
-            packages/*/node_modules
-            tools/*/node_modules
-          key: node-modules-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            node-modules-${{ runner.os }}-
+          runtime: node@${{ matrix.node-version }}
 
       - name: e2e
-        run: yarn nx e2e typescript-resolver-files-e2e
+        run: pnpm nx e2e typescript-resolver-files-e2e

.github/workflows/typescript-resolver-files.yml

@@ -3,41 +3,26 @@ name: typescript-resolver-files
 on:
   workflow_call:
 
-env:
-  node-version: '24.x'
-
 jobs:
   typescript-resolver-files:
     strategy:
       matrix:
         os: [ubuntu-22.04, windows-latest]
-        node-version: [22.x, 24.x]
+        node-version: [22, 24]
     runs-on: ${{ matrix.os }}
     steps:
-      - name: Check out repository
-        uses: actions/checkout@v7
-
-      - name: Set up Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v7
+      - uses: actions/checkout@v7
         with:
-          node-version: ${{ matrix.node-version }}
-
-      - name: Restore node_modules cache
-        uses: actions/cache@v6
+          fetch-depth: 0
+      - uses: pnpm/setup@v2
         with:
-          path: |
-            node_modules
-            packages/*/node_modules
-            tools/*/node_modules
-          key: node-modules-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            node-modules-${{ runner.os }}-
+          runtime: node@${{ matrix.node-version }}
 
       - name: Lint
-        run: yarn nx lint typescript-resolver-files
+        run: pnpm nx lint typescript-resolver-files
 
       - name: Test
-        run: yarn nx test typescript-resolver-files
+        run: pnpm nx test typescript-resolver-files
 
       - name: Build
-        run: yarn nx build typescript-resolver-files
+        run: pnpm nx build typescript-resolver-files

.gitignore

@@ -1,9 +1,9 @@
-# See http://help.github.com/ignore-files/ for more about ignoring files.
+# See https://docs.github.com/en/get-started/getting-started-with-git/ignoring-files for more about ignoring files.
 
 # compiled output
 dist
 tmp
-/out-tsc
+out-tsc
 
 # dependencies
 node_modules
@@ -45,6 +45,7 @@ Thumbs.db
 vite.config.*.timestamp*
 vitest.config.*.timestamp*
 .claude/worktrees
+.claude/settings.local.json
 .nx/polygraph
 .nx/self-healing
 .nx/migrate-runs

.prettierignore

@@ -1,9 +1,6 @@
 # Add files here to ignore them from prettier formatting
-
 /dist
 /coverage
-
 /.nx/cache
 /.nx/workspace-data
-
 .nx/self-healing

README.md

@@ -15,9 +15,9 @@ List of [GraphQL Code Generator](https://www.the-guild.dev/graphql/codegen) plug
 
 - [Node](https://nodejs.org/)
 - [nvm](https://github.com/nvm-sh/nvm): Node Version Manager
-- [Yarn Classic](https://classic.yarnpkg.com/)
+- [pnpm](https://pnpm.io/)
 - [Nx](https://nx.dev/): Monorepo management tool
-  - (Optional) Install Nx globally using `yarn global add nx`. This allows you to run `nx <command>`, otherwise you need to run `yarn nx <command>`
+  - (Optional) Install Nx globally using `pnpm global add nx`. This allows you to run `nx <command>`, otherwise you need to run `pnpm nx <command>`
 - [Changesets](https://github.com/changesets/changesets): Releasing NPM packages
 
 ### Get started
@@ -31,7 +31,7 @@ nvm use
 Install packages:
 
 ```bash
-yarn install
+pnpm install
 ```
 
 ### Contribution process
@@ -40,7 +40,7 @@ yarn install
 2. Fork the repo and make changes
 3. Add unit tests and e2e tests
 4. Document new config option in the package's README if required
-5. Create changeset record for new package version with `yarn changeset` if required
+5. Create changeset record for new package version with `pnpm changeset` if required
 6. Create a PR
 
 Refer to README in each package for more info.