chore(deps): pin dependencies #247

	name: Node CI

	on: [push]

	jobs:
	build:
	strategy:
	matrix:
	platform: [
	ubuntu-latest,
	windows-latest
	]
	node-version:
	- 16.x
	- 14.x
	- 12.x
	runs-on: ${{ matrix.platform }}

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

	# Pulling caches itself it expensive. Which one is faster?
	# - name: Get yarn cache
	# id: yarn-cache
	# run: echo "::set-output name=dir::$(yarn cache dir)"
	# - uses: actions/cache@v1
	# with:
	# path: ${{ steps.yarn-cache.outputs.dir }}
	# key: ${{ runner.os }}-yarn-${{ hashFiles('package.json') }}
	# restore-keys: \|
	# ${{ runner.os }}-yarn-

	- name: yarn install, lint, and test
	run: \|
	yarn install --ignore-scripts
	yarn prepublishOnly
	env:
	CI: true

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