test(rules): ignore types file and use ts extension

Author: byCedric

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

@@ -4,7 +4,7 @@ import values from 'lodash/values';
 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).toEqual(expected);
 });
@@ -14,18 +14,18 @@ test('rules export functions', () => {
 	expect(actual.every(rule => typeof rule === 'function')).toBe(true);
 });
 
-async function glob(pattern) {
+async function glob(pattern: string | string[]) {
 	const files = await globby(pattern, {
-		ignore: ['**/index.js', '**/*.test.js'],
+		ignore: ['**/index.ts', '**/*.test.ts', '**/types.ts'],
 		cwd: __dirname
 	});
 	return files.map(relative).map(toExport);
 }
 
-function relative(filePath) {
+function relative(filePath: string) {
 	return path.relative(__dirname, filePath);
 }
 
-function toExport(fileName) {
+function toExport(fileName: string) {
 	return path.basename(fileName, path.extname(fileName));
 }