docs/standards/mcp/templates/drone/npm-lib.yaml

---
kind: pipeline
type: docker
name: build-and-publish-npm

platform:
  os: linux
  arch: arm64

workspace:
  path: /drone/src

steps:
  - name: check-version
    image: node:22-alpine
    environment:
      NPM_REPO_URL:
        from_secret: NPM_REPO_URL
      NPM_USERNAME:
        from_secret: NPM_USERNAME
      NPM_PASSWORD:
        from_secret: NPM_PASSWORD
    commands:
      - apk add --no-cache curl
      - PACKAGE_NAME=$(node -p "require('./package.json').name")
      - VERSION=$(node -p "require('./package.json').version")
      - |
        if [ "$DRONE_TAG" != "$VERSION" ]; then
          echo "Tag '$DRONE_TAG' does not match package.json version '$VERSION'; refusing to publish."
          exit 1
        fi
      - echo "registry=$NPM_REPO_URL" > /tmp/.npmrc
      - echo "_auth=$(echo -n "$NPM_USERNAME:$NPM_PASSWORD" | base64 | tr -d '\n')" >> /tmp/.npmrc
      - echo "Checking if $PACKAGE_NAME@$VERSION exists on $NPM_REPO_URL ..."
      - |
        if npm view "$PACKAGE_NAME@$VERSION" version --userconfig /tmp/.npmrc >/dev/null 2>&1; then
          echo "$PACKAGE_NAME@$VERSION already exists; skipping build."
          exit 78
        else
          echo "New version detected: $PACKAGE_NAME@$VERSION"
        fi

  - name: quality-gate
    image: node:22-alpine
    environment:
      NPM_REPO_URL:
        from_secret: NPM_REPO_URL
      NPM_USERNAME:
        from_secret: NPM_USERNAME
      NPM_PASSWORD:
        from_secret: NPM_PASSWORD
    commands:
      - |
        if [ -z "$NPM_REPO_URL" ] || [ -z "$NPM_USERNAME" ] || [ -z "$NPM_PASSWORD" ]; then
          echo "NPM_REPO_URL / NPM_USERNAME / NPM_PASSWORD are not set" >&2
          exit 1
        fi
      - echo "registry=$NPM_REPO_URL" > .npmrc
      - echo "_auth=$(echo -n "$NPM_USERNAME:$NPM_PASSWORD" | base64 | tr -d '\n')" >> .npmrc
      - npm install
      - echo "Running quality gate..."
      - npm run quality-gate

  - name: build-package
    image: node:22-alpine
    commands:
      - npm install
      - echo "Building npm package..."
      - npm run build
      - ls -l dist

  - name: publish-to-private-npm
    image: node:22-alpine
    environment:
      NPM_REPO_URL:
        from_secret: NPM_REPO_URL
      NPM_USERNAME:
        from_secret: NPM_USERNAME
      NPM_PASSWORD:
        from_secret: NPM_PASSWORD
    commands:
      - echo "registry=$NPM_REPO_URL" > .npmrc
      - echo "_auth=$(echo -n "$NPM_USERNAME:$NPM_PASSWORD" | base64 | tr -d '\n')" >> .npmrc
      - echo "Publishing to private npm at $NPM_REPO_URL ..."
      - npm publish --access restricted

trigger:
  event:
    - tag

---
kind: pipeline
type: docker
name: backfill-npm-from-tags

platform:
  os: linux
  arch: arm64

workspace:
  path: /drone/src

steps:
  - name: fetch-tags
    image: alpine/git
    commands:
      - git fetch --tags --force

  - name: build-and-publish-missing
    image: node:22-alpine
    environment:
      NPM_REPO_URL:
        from_secret: NPM_REPO_URL
      NPM_USERNAME:
        from_secret: NPM_USERNAME
      NPM_PASSWORD:
        from_secret: NPM_PASSWORD
    commands:
      - apk add --no-cache git
      - echo "registry=$NPM_REPO_URL" > /tmp/.npmrc
      - echo "_auth=$(echo -n "$NPM_USERNAME:$NPM_PASSWORD" | base64 | tr -d '\n')" >> /tmp/.npmrc
      - |
        set -e

        PACKAGE_NAME=$(node -p "require('./package.json').name")
        echo "Package: $PACKAGE_NAME"

        for TAG in $(git tag --sort=version:refname); do
          VERSION="$TAG"
          echo "Version: $VERSION"

          if npm view "$PACKAGE_NAME@$VERSION" version --userconfig /tmp/.npmrc >/dev/null 2>&1; then
            echo "Exists, skipping"
            continue
          fi

          git checkout --force "$TAG"

          TAG_VERSION=$(node -p "require('./package.json').version")
          if [ "$TAG" != "$TAG_VERSION" ]; then
            echo "Tag $TAG != package.json version $TAG_VERSION at that commit; skipping"
            continue
          fi

          echo "Building $VERSION"
          rm -rf dist
          npm install
          npm run build

          echo "Publishing $VERSION"
          npm publish --access restricted --userconfig /tmp/.npmrc
        done

trigger:
  event:
    - custom