Fix #181907 upfiles.com #38

	name: markdownlint

	env:
	NODE_VERSION: 20

	on:
	push:
	branches:
	- master
	paths:
	- "*/.md"
	- ".markdownlint.json"
	- ".markdownlintignore"
	- "package.json"
	- "yarn.lock"
	pull_request:
	branches:
	- master
	paths:
	- "*/.md"
	- ".markdownlint.json"
	- ".markdownlintignore"
	- "package.json"
	- "yarn.lock"

	jobs:
	lint:
	name: Run markdownlint
	runs-on: ubuntu-latest
	steps:
	- name: Check out to repository
	uses: actions/checkout@v4

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: ${{ env.NODE_VERSION }}
	cache: yarn

	- name: Install dependencies
	run: yarn install --frozen-lockfile

	# If the linter found any errors, it will exit with a non-zero code, which will cause the job to fail
	- name: Run markdownlint
	run: yarn markdownlint .

	notify:
	name: Send Slack notification on failure
	runs-on: ubuntu-latest
	needs: lint
	# Run this job only if the previous job failed and the event was triggered by the 'AdguardTeam/AdguardFilters' repository
	# Note: 'always()' is needed to run the notify job even if the lint job was failed
	if:
	${{
	always() &&
	needs.lint.result == 'failure' &&
	github.repository == 'AdguardTeam/AdguardFilters' &&
	(
	github.event_name == 'push' \|\|
	github.event.pull_request.head.repo.full_name == github.repository
	)
	}}
	steps:
	- uses: 8398a7/action-slack@v3
	with:
	status: failure
	fields: workflow, repo, message, commit, author, eventName, ref, job
	job_name: Run markdownlint
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}

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