publish.yml

name: Publish to npm

on:
  push:
    branches:
      - main
      - next
      - beta
    tags:
      - "v*"

jobs:
  publish:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20.x"
          registry-url: "https://registry.npmjs.org"

      - name: Install dependencies and build
        run: npm ci && lerna run build --ignore @react-motion-router/example

      - name: Get tag name and commit hash
        id: git-info
        run: |
          if [[ "${GITHUB_REF##*/}" == "main" ]]; then
            echo "TAG_NAME=latest" >> $GITHUB_ENV
          else
            echo "TAG_NAME=${GITHUB_REF##*/}" >> $GITHUB_ENV
          fi
          COMMIT_HASH=$(git rev-parse --short HEAD)
          LAST_COMMIT_HASH=$(git rev-parse --short HEAD~1)
          echo "COMMIT_HASH=${COMMIT_HASH}" >> $GITHUB_ENV
          echo "LAST_COMMIT_HASH=${LAST_COMMIT_HASH}" >> $GITHUB_ENV

      - name: Conditional Version Update
        id: version
        if: startsWith(env.TAG_NAME, 'next') || startsWith(env.TAG_NAME, 'beta')
        run: |
          TAG_NAME=${{ env.TAG_NAME }}
          COMMIT_HASH=${{ env.COMMIT_HASH }}
          LAST_COMMIT_HASH=${{ env.LAST_COMMIT_HASH }}
          ALL_PACKAGES_JSON=$(npx lerna list --json)
          CHANGED_PACKAGES_JSON=$(npx lerna list --json --since ${LAST_COMMIT_HASH})
          CHANGED_PACKAGES_COUNT=$(echo $CHANGED_PACKAGES_JSON | jq '. | length')

          if [[ $CHANGED_PACKAGES_COUNT -eq 0 ]]; then
            echo "No packages changed. Exiting..."
            echo "versioned=false" >> "$GITHUB_OUTPUT"
            exit 0
          fi

          echo $CHANGED_PACKAGES_JSON | jq -r '.[].location' | while read -r package; do
            CURRENT_VERSION=$(jq -r '.version' $package/package.json)
            NEW_VERSION="${CURRENT_VERSION}-${TAG_NAME}.sha-${COMMIT_HASH}"
            jq ".version = \"${NEW_VERSION}\"" $package/package.json > $package/package.json.tmp && mv $package/package.json.tmp $package/package.json
          done

          echo $ALL_PACKAGES_JSON | jq -r '.[].location' | while read -r package; do
            if ! echo $CHANGED_PACKAGES_JSON | jq -r '.[].location' | grep -q "$package"; then
              jq ".private = true" $package/package.json > $package/package.json.tmp && mv $package/package.json.tmp $package/package.json
            fi
          done

          echo "versioned=true" >> "$GITHUB_OUTPUT"

      - name: Assume unchanged for all package.json files
        run: |
          git ls-files -m | grep 'package.json' | xargs -I {} git update-index --assume-unchanged {}

      - name: Publish packages
        if: ${{ steps.version.outputs.versioned == 'true' }}
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
        run: |
          TAG_NAME=${{ env.TAG_NAME }}
          npx lerna publish from-package --yes --dist-tag $TAG_NAME