publish.yml

name: publish package npm

on:
  push:
    tags:
      - '[0-9]+.[0-9]+.[0-9]+'
      # https://semver.org/ proper release tags, more or less
      - 'v[0-9]+.[0-9]+.[0-9]+'
      # prerelease tags, more or less
      - 'v[0-9]+.[0-9]+.[0-9]+-*'

env:
  NODE_VERSION: 14.15.5
  LANG: en_US.UTF-8
  LC_ALL: en_US.UTF-8

jobs:
  publish:
    runs-on: ubuntu-20.04
    steps:
      - name: Check out a copy of the repo
        uses: actions/checkout@v2
      - name: Use Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@v2
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: show tag
        id: tag
        run: |
          echo ::set-output name=TAG::${GITHUB_REF##*/}

      - name: publish package npm
        id: publish
        uses: JS-DevTools/npm-publish@v1
        with:
          token: ${{ secrets.NPM_TOKEN }}
          tag: ${{ steps.tag.outputs.TAG }}

      - if: steps.publish.outputs.type != 'none'
        run: |
          echo "Version changed: ${{ steps.publish.outputs.old-version }} => ${{ steps.publish.outputs.version }}"