ci: benchmark #2

	name: Benchmark
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	benchmark:
	name: Performance regression check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: pnpm/action-setup@v4
	with:
	version: 9
	- name: Run benchmark
	run: \|
	pnpm install
	pnpm run bench --outputJson benchmark.json
	- name: Download previous benchmark data
	uses: actions/cache@v4
	with:
	path: ./cache
	key: benchmark
	- name: Store benchmark result
	uses: benchmark-action/github-action-benchmark@v1
	with:
	tool: 'customSmallerIsBetter'
	output-file-path: benchmark.json
	external-data-json-path: ./cache/benchmark-main.json
	fail-on-alert: true
	- shell: bash
	run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
	id: branch
	- name: Store benchmark data
	if: steps.branch.outputs.branch == 'main'
	run: cp benchmark.json ./cache/benchmark-main.json

	# Push gh-pages branch by yourself
	# - name: Push benchmark result
	# run: git push 'https://you:${{ secrets.GITHUB_TOKEN }}@github.com/you/repo-name.git' gh-pages:gh-pages

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