Update follow return types and error handling #1217

	name: Prettify

	on:
	pull_request:
	types: [opened, synchronize]

	jobs:
	format:
	runs-on: ubuntu-latest
	if: github.event.pull_request.base.ref == 'trunk'

	steps:
	- name: Checkout code
	uses: actions/checkout@v5
	with:
	ref: ${{ github.event.pull_request.head.sha }}

	- name: Setup Node.js
	uses: actions/setup-node@v5
	with:
	node-version: 'lts/*'

	- name: Install dependencies
	run: npm install

	- name: Run formatter
	run: npm run format

	- name: Check for changes and commit
	run: \|
	if [ -n "$(git status --porcelain)" ]; then
	if [ "${{ github.event.pull_request.head.repo.full_name }}" != "${{ github.repository }}" ]; then
	echo "::error::Formatting changes detected in PR from fork. Please run 'npm run format' locally and push the changes."
	exit 1
	else
	echo "Formatting changes detected, committing files..."
	git config user.name "Automattic Bot"
	git config user.email "[email protected]"
	git add .
	git commit -m "Prettify"
	git push
	fi
	else
	echo "No formatting changes needed"
	fi

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