ci(danger): add danger.js

dangerfile.js

@@ -0,0 +1,48 @@
+/* global danger, fail, message */
+
+// requires
+const junit = require('@seadub/danger-plugin-junit').default;
+const dependencies = require('@seadub/danger-plugin-dependencies').default;
+const moduleLint = require('@seadub/danger-plugin-titanium-module').default;
+const fs = require('fs');
+const path = require('path');
+const ENV = process.env;
+
+// Add links to artifacts we've stuffed into the ENV.ARTIFACTS variable
+async function linkToArtifacts() {
+	if (ENV.ARTIFACTS && (ENV.BUILD_STATUS === 'SUCCESS' || ENV.BUILD_STATUS === 'UNSTABLE')) {
+		const artifacts = ENV.ARTIFACTS.split(';');
+		if (artifacts.length !== 0) {
+			const artifactsListing = '- ' + artifacts.map(a => danger.utils.href(`${ENV.BUILD_URL}artifact/${a}`, a)).join('\n- ');
+			message(`:floppy_disk: Here are the artifacts produced:\n${artifactsListing}`);
+		}
+	}
+}
+
+async function checkLintLog() {
+	const lintLog = path.join(__dirname, 'lint.log');
+	if (!fs.existsSync(lintLog)) {
+		return;
+	}
+	const contents = fs.readFileSync(lintLog, 'utf8');
+	fail('`npm run lint` failed, please check messages below for output.');
+	message(`:bomb: Here's the output of \`npm run lint\`:\n\`\`\`${contents}\`\`\``);
+}
+
+async function main() {
+	// do a bunch of things in parallel
+	// Specifically, anything that collects what labels to add or remove has to be done first before...
+	await Promise.all([
+		junit({ pathToReport: './TESTS-*.xml' }),
+		dependencies({ type: 'npm' }),
+		linkToArtifacts(),
+		checkLintLog(),
+		moduleLint(),
+	]);
+}
+main()
+	.then(() => process.exit(0))
+	.catch(err => {
+		fail(err.toString());
+		process.exit(1);
+	});