fix(rules): unpack default from rules when exporting in index

Author: byCedric

@commitlint/rules/src/index.test.ts

@@ -4,7 +4,7 @@ import {values} from 'lodash';
 import rules from '.';
 
 test('exports all rules', async () => {
-	const expected = (await glob('*.js')).sort();
+	const expected = (await glob('*.ts')).sort();
 	const actual = Object.keys(rules).sort();
 	expect(actual).toMatchObject(expected);
 });
@@ -16,7 +16,7 @@ test('rules export functions', () => {
 
 async function glob(pattern: string) {
 	const files = await globby([path.join(__dirname, pattern)], {
-		ignore: ['**/index.js', '**/*.test.js'],
+		ignore: ['**/index.ts', '**/types.ts', '**/*.test.ts'],
 		cwd: __dirname
 	});
 	return files.map(relative).map(toExport);

@commitlint/rules/src/index.ts

@@ -1,34 +1,39 @@
+const loadRule = (name: string) => {
+	const rule = require(`./${name}`);
+	return rule.default || rule;
+};
+
 export default {
-	'body-case': require('./body-case'),
-	'body-empty': require('./body-empty'),
-	'body-leading-blank': require('./body-leading-blank'),
-	'body-max-length': require('./body-max-length'),
-	'body-max-line-length': require('./body-max-line-length'),
-	'body-min-length': require('./body-min-length'),
-	'footer-empty': require('./footer-empty'),
-	'footer-leading-blank': require('./footer-leading-blank'),
-	'footer-max-length': require('./footer-max-length'),
-	'footer-max-line-length': require('./footer-max-line-length'),
-	'footer-min-length': require('./footer-min-length'),
-	'header-case': require('./header-case'),
-	'header-full-stop': require('./header-full-stop'),
-	'header-max-length': require('./header-max-length'),
-	'header-min-length': require('./header-min-length'),
-	'references-empty': require('./references-empty'),
-	'scope-case': require('./scope-case'),
-	'scope-empty': require('./scope-empty'),
-	'scope-enum': require('./scope-enum'),
-	'scope-max-length': require('./scope-max-length'),
-	'scope-min-length': require('./scope-min-length'),
-	'signed-off-by': require('./signed-off-by'),
-	'subject-case': require('./subject-case'),
-	'subject-empty': require('./subject-empty'),
-	'subject-full-stop': require('./subject-full-stop'),
-	'subject-max-length': require('./subject-max-length'),
-	'subject-min-length': require('./subject-min-length'),
-	'type-case': require('./type-case'),
-	'type-empty': require('./type-empty'),
-	'type-enum': require('./type-enum'),
-	'type-max-length': require('./type-max-length'),
-	'type-min-length': require('./type-min-length')
+	'body-case': loadRule('body-case'),
+	'body-empty': loadRule('body-empty'),
+	'body-leading-blank': loadRule('body-leading-blank'),
+	'body-max-length': loadRule('body-max-length'),
+	'body-max-line-length': loadRule('body-max-line-length'),
+	'body-min-length': loadRule('body-min-length'),
+	'footer-empty': loadRule('footer-empty'),
+	'footer-leading-blank': loadRule('footer-leading-blank'),
+	'footer-max-length': loadRule('footer-max-length'),
+	'footer-max-line-length': loadRule('footer-max-line-length'),
+	'footer-min-length': loadRule('footer-min-length'),
+	'header-case': loadRule('header-case'),
+	'header-full-stop': loadRule('header-full-stop'),
+	'header-max-length': loadRule('header-max-length'),
+	'header-min-length': loadRule('header-min-length'),
+	'references-empty': loadRule('references-empty'),
+	'scope-case': loadRule('scope-case'),
+	'scope-empty': loadRule('scope-empty'),
+	'scope-enum': loadRule('scope-enum'),
+	'scope-max-length': loadRule('scope-max-length'),
+	'scope-min-length': loadRule('scope-min-length'),
+	'signed-off-by': loadRule('signed-off-by'),
+	'subject-case': loadRule('subject-case'),
+	'subject-empty': loadRule('subject-empty'),
+	'subject-full-stop': loadRule('subject-full-stop'),
+	'subject-max-length': loadRule('subject-max-length'),
+	'subject-min-length': loadRule('subject-min-length'),
+	'type-case': loadRule('type-case'),
+	'type-empty': loadRule('type-empty'),
+	'type-enum': loadRule('type-enum'),
+	'type-max-length': loadRule('type-max-length'),
+	'type-min-length': loadRule('type-min-length')
 };