Fixed GH Action error that happens if there's nothing to commit #45

	name: Prettier

	on: [push, pull_request]

	jobs:
	prettier:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Cache Node.js modules
	uses: actions/cache@v2
	with:
	path: \|
	node_modules
	key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-node-

	- name: Setup Node.js
	uses: actions/setup-node@v3
	with:
	node-version: "18"

	- name: Install dependencies
	run: npm install

	- name: Check for changes
	id: check_changes
	run: \|
	git diff --exit-code \|\| echo "Changes detected"

	- name: Format code
	if: steps.check_changes.outputs.result == 'Changes detected'
	run: npx prettier --write .

	- name: Commit and push changes
	if: steps.check_changes.outputs.result == 'Changes detected'
	run: \|
	git config user.name "GitHub Actions"
	git config user.email "[email protected]"
	git add .
	git commit -m "${{ github.event.head_commit.message }} (Formatted code with Prettier)"
	git push

Provide feedback