test: readd empty commit message test

Author: marionebl

@commitlint/lint/src/lint.test.ts

@@ -6,8 +6,11 @@ test('throws without params', async () => {
 });
 
 test('throws with empty message', async () => {
-	const error = (lint as any)('');
-	await expect(error).rejects.toThrow('Expected a raw commit');
+	expect(await lint('')).toMatchObject({
+		valid: true,
+		errors: [],
+		warnings: []
+	});
 });
 
 test('positive on stub message and no rule', async () => {

@commitlint/lint/src/lint.ts

@@ -28,8 +28,10 @@ export default async function lint(
 		return LintOutcome.empty({message});
 	}
 
-	// Parse the commit message
-	const parsed = await parse(message, undefined, opts.parserOpts);
+	const parsed =
+		message === ''
+			? {header: null, body: null, footer: null}
+			: await parse(message, undefined, opts.parserOpts);
 
 	if (
 		parsed.header === null &&