Add unit tests #22

	name: Node.js CI
	on: push

	jobs:

	build:
	name: "Build module"
	runs-on: ubuntu-latest

	steps:

	- uses: actions/checkout@v2

	- uses: actions/setup-node@v1
	with:
	node-version: 16.x

	- name: Install production dependencies, check node engine compatibility
	run: yarn install --production=true

	- name: Install development dependencies
	run: yarn install --production=false --ignore-engines

	- name: Build & Code analysis
	run: yarn run lint

	- name: Build
	run: yarn run build

	- name: Run unit test
	run: yarn run test

	- name: Upload build
	uses: actions/upload-artifact@v2
	with:
	name: build
	path: \|
	src/*/.js
	src/*/.js.map
	src/*/.d.ts

	test:

	runs-on: ubuntu-latest

	needs: build

	strategy:
	matrix:
	node-version: [14.x, 16.x, 18.x, 20.x]

	steps:

	- name: 'Checkout the repository'
	uses: actions/checkout@v2

	- name: Test with Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v1
	with:
	node-version: ${{ matrix.node-version }}

	- name: Install dependencies
	run: yarn install --ignore-engines

	- name: Download build
	uses: actions/download-artifact@v2
	with:
	name: build

	- name: Test with Node.js ${{ matrix.node-version }}
	run: yarn run test

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