Fix #20381 : Added Github Action for developer Onboarding leads (#20683) #7

	name: Check code is formatted with prettier
	on:
	merge_group:
	types: [checks_requested]
	push:
	branches:
	- develop
	- release-*
	pull_request:
	branches:
	- develop
	- release-*

	jobs:
	run_prettier:
	name: Run prettier on the whole codebase
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-22.04]
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.8.15'
	architecture: 'x64'
	- uses: ./.github/actions/merge
	- name: Cache node modules and third_party/static
	uses: actions/cache@v3
	env:
	cache-name: cache-node-modules
	with:
	path: \|
	/home/runner/work/oppia/yarn_cache
	/home/runner/work/oppia/oppia/third_party/static
	key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('yarn.lock', 'dependencies.json') }}
	restore-keys: \|
	${{ runner.os }}-build-${{ env.cache-name }}-
	${{ runner.os }}-build-
	${{ runner.os }}-
	- uses: ./.github/actions/install-oppia-dependencies
	- name: Prettify code
	run: npx prettier --check .
	- name: Explain how to fix the issue
	if: ${{ failure() }}
	run: echo "Read https://github.com/oppia/oppia/wiki/Formatters to understand how to fix this issue."
	- name: Report failure if failed on oppia/oppia develop branch
	if: ${{ failure() && github.event_name == 'push' && github.repository == 'oppia/oppia' && github.ref == 'refs/heads/develop'}}
	uses: ./.github/actions/send-webhook-notification
	with:
	message: "Prettier formatting failed on the upstream develop branch."
	webhook-url: ${{ secrets.BUILD_FAILURE_ROOM_WEBHOOK_URL }}

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