fix: distribute newlines appropriately

Author: marionebl

@commitlint/cli/src/cli.js

@@ -211,7 +211,7 @@ async function main(options) {
 			'https://github.com/conventional-changelog/commitlint/#what-is-commitlint'
 	});
 
-	if (!flags.quiet) {
+	if (!flags.quiet && output !== '') {
 		console.log(output);
 	}
 

@commitlint/format/src/format.ts

@@ -43,19 +43,20 @@ export function format(
 
 	return results
 		.filter(r => Array.isArray(r.warnings) || Array.isArray(r.errors))
-		.map(result => [fi(result), ...fr(result)].join('\n'))
+		.map(result => [...fi(result), ...fr(result)])
+		.reduce((acc, item) => Array.isArray(item) ? [...acc, ...item] : [...acc, item], [])
 		.join('\n');
 }
 
 function formatInput(
 	result: FormattableResult & WithInput,
 	options: FormatOptions = {}
-): string {
+): string[] {
 	const {color: enabled = true} = options;
 	const {errors = [], warnings = [], input = ''} = result;
 
 	if (!input) {
-		return '';
+		return [''];
 	}
 
 	const sign = '⧗';
@@ -66,8 +67,8 @@ function formatInput(
 	const hasProblems = errors.length > 0 || warnings.length > 0;
 
 	return options.verbose || hasProblems
-		? `${decoration}   input: ${decoratedInput}`
-		: '';
+		? [`${decoration}   input: ${decoratedInput}`]
+		: [];
 }
 
 export function formatResult(
@@ -97,13 +98,25 @@ export function formatResult(
 	const deco = enabled ? (chalk[color] as any)(sign) : sign;
 	const el = errors.length;
 	const wl = warnings.length;
-	const hasProblems = errors.length > 0 || warnings.length > 0;
+	const hasProblems = problems.length > 0;
+
+	const summary =
+		options.verbose || hasProblems
+			? `${deco}   found ${el} problems, ${wl} warnings`
+			: undefined;
+
+	const fmtSummary =
+		enabled && typeof summary === 'string' ? chalk.bold(summary) : summary;
 
-	const summary = (options.verbose || hasProblems) ? `${deco}   found ${el} problems, ${wl} warnings` : undefined;
-	const fmtSummary = enabled && typeof summary === 'string' ? chalk.bold(summary) : summary;
 	const help = hasProblems ? `ⓘ   Get help: ${options.helpUrl}` : undefined;
 
-	return [...problems, '', fmtSummary, help].filter((line): line is string => typeof line === 'string');
+	return [
+		...problems,
+		hasProblems ? '' : undefined,
+		fmtSummary,
+		help,
+		help ? '' : undefined
+	].filter((line): line is string => typeof line === 'string');
 }
 
 export default format;