dangerfile.js

/**
 * External dependencies
 *
 * @format
 */

import { danger, warn, markdown, results } from 'danger';

/**
 * Internal dependencies
 */

// Skip danger check if 'no ci' or 'no danger' in latest commit
const lastCommit = danger.git.commits.slice( -1 )[ 0 ].message;
if (
	lastCommit.includes( 'no ci' ) ||
	lastCommit.includes( 'skip ci' ) ||
	lastCommit.includes( 'no danger' ) ||
	lastCommit.includes( 'skip danger' )
) {
	process.exit( 0 ); // eslint-disable-line no-process-exit
}

// Skip danger check if we have a Renovate PR
if ( danger.github.pr.user.login === 'renovate[bot]' ) {
	process.exit( 0 ); // eslint-disable-line no-process-exit
}

// No PR is too small to include a description of why you made a change
if ( danger.github.pr.body.length < 10 ) {
	warn( 'Please include a description of your PR changes.' );
}

// Use labels please!
const ghLabels = danger.github.issue.labels;
if ( ! ghLabels.find( l => l.name.toLowerCase().includes( '[status]' ) ) ) {
	warn(
		'The PR is missing at least one [Status] label. Suggestions: `[Status] In Progress`, `[Status] Needs Review`'
	);
}

// Test instructions
if ( ! danger.github.pr.body.toLowerCase().includes( 'testing' ) ) {
	warn( '"Testing instructions" are missing for this PR. Please add some.' );
}

// skip if there are no warnings.
if ( results.warnings.length > 0 || results.fails.length > 0 ) {
	markdown(
		"This is an automated check which relies on [`PULL_REQUEST_TEMPLATE`](https://github.com/Automattic/wp-calypso/blob/master/.github/PULL_REQUEST_TEMPLATE.md). We encourage you to follow that template as it helps Calypso maintainers do their job. If you think 'Testing instructions' are not needed for your PR - please explain why you think so. Thanks for cooperation :robot:"
	);
}