fix #10

	name: Release
	on:
	push:
	tags:
	- "v..*"
	permissions:
	contents: write
	jobs:
	release-npm:
	name: Release npm package
	runs-on: ubuntu-latest
	steps:
	- name: Setup repository
	uses: actions/checkout@v3
	- name: Version check
	run: \|
	echo Checking version to publish...

	head_hash=$(git rev-parse HEAD)
	latest_tag=${{ github.ref_name }}
	latest_tag_hash=$(git rev-parse ${latest_tag})

	if [ "${head_hash}" != "${latest_tag_hash}" ]; then
	echo "HEAD is not at the latest tag (${latest_tag})"
	exit 1
	fi

	package_version=$(cat package.json \| grep version \| awk -F'"' '{ print "v" $4; }')

	if [ "${latest_tag}" != "${package_version}" ]; then
	echo "Latest tag (${latest_tag}) does not match package version (${package_version})"
	exit 2
	fi

	echo "Package version: ${package_version}"
	- name: Publish npm package
	run: \|
	echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}" > ~/.npmrc
	pre_release=$(echo ${{ github.ref_name }} \| awk -F'-' '{ print $2 }')
	if [ "${pre_release}" = "" ]; then
	npm publish --access public
	else
	npm publish --access public --tag beta
	fi
	- name: Create GitHub release
	uses: actions/create-release@v1
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	tag_name: ${{ github.ref }}
	release_name: Release ${{ github.ref_name }}
	draft: false
	prerelease: ${{ contains(github.ref_name, '-') }}

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