publish.yml

name: Publish to npm
on:
  release:
    types: [published]

permissions:
  contents: read
  id-token: write # required for npm provenance

jobs:
  publish:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Install dependencies
        run: npm install

      # `npm publish` runs `prepublishOnly` (lint + build) first.
      # NPM_TOKEN must be an npm automation token so 2FA does not block CI.
      - name: Publish to npm
        run: npm publish --provenance --access public
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}