release-bump.yml

name: Release & Bump JS SDK

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'New semver version (e.g., 1.2.3)'
        required: true
        type: string
      js_sdk_version:
        description: 'Version to pin for @layercode/js-sdk (e.g., 2.5.0)'
        required: true
        type: string
      npm_tag:
        description: 'npm dist-tag to publish under (e.g., latest, next)'
        required: false
        type: string
        default: latest

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          registry-url: 'https://registry.npmjs.org'

      - name: Install dependencies
        run: npm ci

      # Configure git early so the bump step can commit if needed
      - name: Configure Git (early)
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"

      # EXTRA: bump @layercode/js-sdk to requested version, commit only if it changed
      - name: Bump @layercode/js-sdk
        id: bump_js_sdk
        run: |
          set -euo pipefail
          JS_SDK_VERSION="${{ github.event.inputs.js_sdk_version }}"
          echo "Target @layercode/js-sdk version: ${JS_SDK_VERSION}"

          npm i @layercode/js-sdk@"${JS_SDK_VERSION}" --save-exact

          if git diff --quiet -- package.json package-lock.json; then
            echo "changed=false" >> "$GITHUB_OUTPUT"
            echo "No dependency change detected — skipping release."
          else
            echo "changed=true" >> "$GITHUB_OUTPUT"
            git add package.json package-lock.json
            git commit -m "chore: bump @layercode/js-sdk to ${JS_SDK_VERSION}"
          fi

      # If nothing changed from the bump, exit early (no release)
      - name: Stop if no changes from bump
        if: steps.bump_js_sdk.outputs.changed == 'false'
        run: |
          echo "No changes detected. Exiting without release."
          exit 0

      - name: Update package.json version
        run: npm version ${{ github.event.inputs.version }} --no-git-tag-version

      # Build before tagging/publishing so broken builds never ship
      - name: Build package
        run: npm run build

      # (Optional duplicate config; harmless if you want to keep original style)
      - name: Configure Git
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"

      - name: Commit and push changes
        run: |
          git add package.json package-lock.json
          if git diff --cached --quiet; then
            echo "Nothing to commit after version bump."
          else
            git commit -m "chore: release v${{ github.event.inputs.version }}"
          fi
          git push origin main

      - name: Create Git tag
        run: |
          TAG="v${{ github.event.inputs.version }}"
          if git rev-parse "$TAG" >/dev/null 2>&1; then
            echo "Tag $TAG already exists — skipping create."
          else
            git tag "$TAG"
            git push origin "$TAG"
          fi

      - name: Publish to npm
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
        run: |
          echo "Publishing to npm with tag '${{ github.event.inputs.npm_tag }}'..."
          npm publish --access public --tag "${{ github.event.inputs.npm_tag }}"
          echo "✅ Published successfully."

      - name: Create GitHub Release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: v${{ github.event.inputs.version }}
          release_name: Release v${{ github.event.inputs.version }}
          draft: false
          prerelease: false
          generate_release_notes: true