Use core/json instead of argonaut #368

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	build:
	strategy:
	matrix:
	os: [ubuntu-latest, macOS-latest, windows-latest]
	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v2

	- name: Set up Node toolchain
	uses: actions/setup-node@v2
	with:
	node-version: "16"

	- name: Cache NPM dependencies
	uses: actions/cache@v2
	env:
	cache-name: cache-node-modules
	with:
	path: ~/.npm
	key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package.json') }}
	restore-keys: \|
	${{ runner.os }}-build-${{ env.cache-name }}-
	${{ runner.os }}-build-
	${{ runner.os }}-

	- name: Setup PureScript dependencies
	run: npm i --global purescript@0.15.10 purs-tidy@latest spago@latest purescript-psa@latest esbuild@latest

	- name: Cache PureScript dependencies
	uses: actions/cache@v2
	with:
	key: ${{ runner.os }}-spago-${{ hashFiles('*/.dhall') }}
	path: \|
	.spago
	output

	- name: Install dependencies
	run: spago install

	- name: Build project
	run: spago build --purs-args '--censor-lib --strict'

	- name: Run snapshots
	run: spago test --purs-args '--censor-lib'

	- name: Test output-diff (Linux only)
	if: matrix.os == 'ubuntu-latest'
	run: cd backend-es && npm run test:output-diff

	- name: Check formatting (Linux only)
	if: matrix.os == 'ubuntu-latest'
	run: npm run format:check

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