Cleanup implementation and change target to es5 #541

	# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions

	name: CI

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Use Node.js
	uses: actions/setup-node@v1
	with:
	node-version: 16.x
	- name: Cache node modules
	uses: actions/cache@v2
	with:
	path: \|
	~/.npm
	node_modules
	key: ${{ runner.os }}-node-${{ hashFiles('yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-node-
	- run: yarn
	- run: yarn ci
	- run: yarn build
	env:
	NODE_ENV: production
	- name: Coveralls
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}

	timeout-minutes: 10

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