update-docs-on-docs-commits.yml

name: 'Update generated parts of documentation on docs: commits'

on:
  push:
    branches:
      - master

jobs:
  docs-gen:
    name: 'Generate docs and create PR'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2
      - name: Setup Node.js
        uses: actions/setup-node@v1
        with:
          node-version: 13
      - name: Install dependencies
        run: npm ci
      - name: Generate docs
        run: npm run generate:assets
      - name: Create Pull Request with updated docs
        # Pull request should be created within this GitHub action only if it is a docs: commit
        # Otherwise it will conflict with release workflow
        if: startsWith(github.event.commits[0].message, 'docs:')
        uses: peter-evans/create-pull-request@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }} #this is default token of github-action actor
          commit-message: 'chore: update generated docs'
          title: 'chore: update generated docs'
          body: 'Update of docs that are generated and were forgotten on PR level.'
          branch: gen-docs-update