Add Plugin Check workflow #12

	name: 'Plugin Check'
	on:
	pull_request:
	push:
	branches:
	- main
	- trunk
	- 'release/**'


	jobs:
	prepare:
	name: "Build and check plugin"
	# Don't run on forks.
	if: github.repository_owner == 'Yoast'

	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Install PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: 7.2
	coverage: none

	- name: Set up node and enable caching of dependencies
	uses: actions/setup-node@v3
	with:
	node-version: '14'
	cache: 'yarn'

	- name: Install Composer dependencies and run the prefixing script
	uses: ramsey/composer-install@v2
	with:
	# Bust the cache at least once a week - output format: YYYY-MM-DD.
	custom-cache-suffix: $(/bin/date -u --date='last Mon' "+%F")

	- name: Yarn install
	run: yarn install

	- name: "Grunt: create artifact"
	run: grunt artifact

	- name: Run plugin check
	uses: swissspidy/wp-plugin-check-action@main
	with:
	build-dir: ./artifact
	exclude-directories: vendor_prefixed

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