ci: use pnpm in GitHub Actions #123

	name: Build and Deploy

	on:
	push:
	branches:
	- main
	paths:
	- '.github/workflows/**'
	- 'docs/**'
	- 'pnpm-lock.yaml'
	# trigger deployment manually
	workflow_dispatch:

	jobs:
	build-and-deploy:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout ⛓️
	uses: actions/checkout@v4
	with:
	persist-credentials: false
	submodules: true

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20'
	cache: pnpm

	- name: Setup pnpm
	uses: pnpm/action-setup@v3
	with:
	# choose pnpm version to use
	version: 8
	# install deps with pnpm
	run_install: true

	- name: Build VuePress site
	run: pnpm run docs:build

	# @see https://github.com/crazy-max/ghaction-github-pages
	- name: Deploy to GitHub Pages
	uses: crazy-max/ghaction-github-pages@v4
	with:
	target_branch: gh-pages
	build_dir: docs/.vuepress/dist
	env:
	# @see https://docs.github.com/cn/actions/reference/authentication-in-a-workflow#about-the-github_token-secret
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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