add the gh actions setup file

.github/actions/yarn-install/action.yml

@@ -0,0 +1,19 @@
+name: Install Dependencies
+inputs:
+  use-min-supported-version:
+    required: false
+    default: false
+
+runs:
+  using: "composite"
+  steps:
+  - uses: actions/setup-node@v4
+    with:
+      # if both node-version-file and node-version are provided, node-version is used
+      node-version-file: 'package.json'
+      node-version: ${{ inputs.use-min-supported-version == 'false' && 'lts/*' || ''  }}
+      cache: yarn
+      cache-dependency-path: yarn.lock
+  - name: Install Dependencies
+    run: yarn install --frozen-lockfile --non-interactive --ignore-scripts
+    shell: bash

.github/workflows/build-and-deploy.yml

@@ -0,0 +1,34 @@
+name: facebook/metro/build-and-deploy
+on:
+  push:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build-and-test:
+    uses: ./.github/workflows/build-and-test.yml
+    secrets: inherit
+
+  publish-to-npm:
+    needs: build-and-test
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: ./.github/actions/yarn-install
+      with:
+        use-min-supported-version: true
+    - name: Check Tag Format
+      id: check_tag
+      run: |
+        if [[ $GITHUB_REF =~ ^refs/tags/v\d+(\.\d+){2}(-.*)?$ ]]; then
+          echo "valid=true" >> $GITHUB_OUTPUT
+        else
+          echo "valid=false" >> $GITHUB_OUTPUT
+        fi
+    - run: echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}" >> ~/.npmrc
+    - name: Infer dist-tag and run npm run publish
+      if: steps.check_tag.outputs.valid == 'true'
+      run: "./.circleci/scripts/publish.sh"
+    - run: rm ~/.npmrc

.github/workflows/build-and-test.yml

@@ -0,0 +1,60 @@
+name: facebook/metro/build-and-test
+on:
+  workflow_call:
+  pull_request:
+    types: [synchronize]
+
+# head_ref is per PR, so this ensures that updaing a PR
+# will cancel the previous run of the workflow
+concurrency:
+  group: "build-and-test-${{ github.head_ref }}"
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  run-js-checks:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/yarn-install
+      - run: yarn typecheck
+      - run: yarn typecheck-ts
+      - run: yarn lint
+      - run: yarn test-smoke
+
+  test-with-coverage:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: ./.github/actions/yarn-install
+    - run: yarn test-coverage
+    - name: Download Codecov Uploader
+      run: "./.circleci/scripts/install_codecov.sh"
+    - name: Upload coverage results
+      run: "./codecov -t ${{ secrets.CODECOV_TOKEN }} -f ./coverage/coverage-final.json"
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        use-min-supported-version: [true, false]
+    steps:
+    - uses: actions/checkout@v4
+    - uses: ./.github/actions/yarn-install
+      with:
+        use-min-supported-version: ${{ matrix.use-min-supported-version }}
+    - name: Run Jest tests
+      run: yarn jest --ci --maxWorkers 4 --reporters=default --reporters=jest-junit
+
+  test-windows:
+    if: startsWith(github.ref, 'refs/heads/windows/')
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: ./.github/actions/yarn-install
+    - name: Run Jest tests
+      run: yarn jest --ci --maxWorkers 4 --reporters=default --reporters=jest-junit
+# todo: how many max workers are best performing?

package.json

@@ -94,5 +94,8 @@
   "dependencies": {},
   "engines": {
     "node": ">=18"
+  },
+  "volta": {
+    "node": "18.0.0"
   }
 }