output git diff in CI to debug when a diff check fails #225

	name: Build and Test

	on: [push]

	jobs:
	build:
	runs-on: ${{ matrix.operating-system }}

	strategy:
	matrix:
	operating-system: [ubuntu-latest, macos-latest, windows-latest]

	steps:
	- uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	# hard code until this bug is fixed with Node 22: https://github.com/nodejs/node/issues/52682
	node-version: 21
	- name: install
	run: \|
	npm clean-install
	npx playwright install
	- name: check formatting
	run: \|
	npm run prettier:check
	- name: build
	run: \|
	npm run clean
	npm run build
	- name: test
	run: \|
	npm test
	- name: check repo is clean
	# skip this check in windows for now, as the build outputs may get slightly modified in Windows, which we want to fix.
	if: runner.os != 'Windows'
	run: \|
	git diff
	git add . && git diff --quiet && git diff --cached --quiet
	env:
	CI: true

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