chore(td): change gh workflow to test only changed files #2420

	name: Main workflow

	# The event triggers are configured as following:
	# - on branch main, trigger the workflow on every push
	# - on any pull request, trigger the workflow
	# This is to avoid running the workflow twice on pull requests.
	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	build_lint_and_test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup Node (uses version in .nvmrc)
	uses: actions/setup-node@v4
	with:
	node-version-file: '.nvmrc'
	cache: 'pnpm'

	- name: Install pnpm
	uses: pnpm/[email protected]
	id: pnpm-install
	with:
	run_install: false

	- name: Install dependencies
	run: pnpm install

	- name: Get changed directories
	id: changed_dirs
	run: \|
	echo "::set-output name=dirs::$(git diff --name-only ${{ github.sha }} ${{ github.event.before }} \| xargs -L 1 dirname \| uniq \| xargs)"

	- name: Running linters and tests for changed directories
	if: steps.changed_dirs.outputs.dirs != ''
	run: \|
	for DIR in ${{ steps.changed_dirs.outputs.dirs }}; do
	if [ -d "$DIR" ]; then
	echo "Running tests in $DIR"
	(cd $DIR && pnpm jest) \|\| exit 1
	fi
	done

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