feat(webpack): default tsconfig.json if not found

packages/webpack5/__tests__/configuration/vue.spec.ts

@@ -1,11 +1,25 @@
 import Config from 'webpack-chain';
 
+import {
+	mockExistsSync,
+	restoreExistsSync,
+	setHasTSConfig,
+} from '../../scripts/jest.utils';
+
 import vue from '../../src/configuration/vue';
 import { init } from '../../src';
 
 describe('vue configuration', () => {
 	const platforms = ['ios', 'android'];
 
+	beforeAll(() => {
+		mockExistsSync();
+	});
+
+	afterAll(() => {
+		restoreExistsSync();
+	});
+
 	for (let platform of platforms) {
 		it(`for ${platform}`, () => {
 			init({
@@ -14,4 +28,23 @@ describe('vue configuration', () => {
 			expect(vue(new Config()).toString()).toMatchSnapshot();
 		});
 	}
+
+	describe('with typescript', () => {
+		beforeAll(() => {
+			setHasTSConfig(true);
+		});
+
+		afterAll(() => {
+			setHasTSConfig(false);
+		});
+
+		for (let platform of platforms) {
+			it(`for ${platform}`, () => {
+				init({
+					[platform]: true,
+				});
+				expect(vue(new Config()).toString()).toMatchSnapshot();
+			});
+		}
+	});
 });