Add gh actions for building and testing the repo #27

	name: facebook/metro/build-and-test
	on:
	workflow_call:
	pull_request:
	types: [opened, synchronize]

	# head_ref is per PR, so this ensures that updaing the latest PR commit
	# will cancel the previous run of the workflow and trigger a new one
	concurrency:
	group: "build-and-test-${{ github.head_ref }}"
	cancel-in-progress: true

	defaults:
	run:
	shell: bash

	jobs:
	run-js-checks:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: ./.github/actions/yarn-install
	- run: yarn typecheck
	- run: yarn typecheck-ts
	- run: yarn lint
	- run: yarn test-smoke

	test-with-coverage:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: ./.github/actions/yarn-install
	- run: yarn test-coverage
	- name: Download Codecov Uploader
	run: "./.github/scripts/install_codecov.sh"
	- name: Upload coverage results
	run: "./codecov -t ${{ secrets.CODECOV_TOKEN }} -f ./coverage/coverage-final.json"

	test:
	strategy:
	matrix:
	runs-on: ['ubuntu-latest'] # 'windows-latest'
	node-version-type: ['lts', 'min-supported']
	name: "Tests on ${{ matrix.runs-on }} using ${{ matrix.node-version-type }} node"
	runs-on: ${{ matrix.runs-on }}
	steps:
	- uses: actions/checkout@v4
	- uses: ./.github/actions/yarn-install
	with:
	node-version-type: ${{ matrix.node-version-type }}
	- name: Run Jest tests
	run: yarn jest --ci --maxWorkers 4 --reporters=default --reporters=jest-junit --rootdir='./'

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