Fix: index d ts and remove unused imports #308

	name: Benchmark
	on:
	push:
	pull_request:
	workflow_dispatch:

	jobs:
	benchmark:
	name: Performance regression check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Setup node
	uses: actions/setup-node@v2
	with:
	node-version: 14
	check-latest: true

	- name: 'Install dependencies'
	run: yarn install
	- name: Build code
	run: yarn transpile && yarn build:node-release
	- name: 'Run benchmark'
	run: yarn benchmark:node

	# Run benchmark action
	- name: Compare benchmark results
	uses: rhysd/github-action-benchmark@v1.8.1
	with:
	name: Parcel sourcemap benchmark
	tool: 'benchmarkjs'
	output-file-path: bench.txt
	github-token: ${{ secrets.GITHUB_TOKEN }}
	benchmark-data-dir-path: public/bench
	comment-always: true
	max-items-in-chart: 1000
	auto-push: ${{ github.ref == 'refs/heads/master' }}

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