name: Publish to npm

# Publishes idanalyzer2 to npm when a version tag (v*) is pushed.
# Uses npm Trusted Publishing (OIDC) — no NPM_TOKEN secret required.
# Configure the trusted publisher on npmjs.com: Publisher=GitHub Actions,
# Org=idanalyzer, Repo=id-analyzer-v2-nodejs, Workflow=publish.yml, Environment=(blank).

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:

permissions:
  contents: read
  id-token: write   # required for OIDC trusted publishing + provenance

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: '26'
          registry-url: 'https://registry.npmjs.org'

      # Trusted publishing requires npm >= 11.5.1
      - run: npm install -g npm@latest

      - name: Publish (skip if version already exists)
        run: |
          VER=$(node -p "require('./package.json').version")
          if npm view "idanalyzer2@${VER}" version >/dev/null 2>&1; then
            echo "idanalyzer2@${VER} already published — skipping."
          else
            npm publish --provenance --access public
          fi