Fixed an issue where content was clears by autofix (#32)

Fixed an issue where content was clears by autofix

lib/stylelint-vscode/index.js

@@ -152,8 +152,7 @@ module.exports = async function stylelintVSCode(...args) {
 					...priorOptions,
 					config: {
 						rules: {},
-					},
-					fix: false,
+					}
 				}),
 			);
 		}

lib/stylelint-vscode/test/test.js

@@ -527,3 +527,43 @@ const what: string = "is this";
 
 	t.end();
 });
+
+test('stylelintVSCode() with autofix', async (t) => {
+	t.plan(3);
+
+	(async () => {
+		t.deepEqual(
+			await stylelintVSCode(new Document(null, 'css', 'a\n{\ncolor:red;\n}'), {
+				config: { rules: { indentation: [2] } },
+				fix: true
+			})
+			.then(r=>r.output),
+			'a\n{\n  color:red;\n}',
+			'The autofix should work properly if configs are defined.',
+		);
+	})();
+
+	(async () => {
+		t.deepEqual(
+			await stylelintVSCode(new Document('no-rules.css', 'css', 'a {'), {
+				config: {},
+				fix: true
+			})
+			.then(r=>r.output),
+			'a {}',
+			'The autofix should only work properly for syntax errors if no rules are defined.'
+		);
+	})();
+
+	(async () => {
+		t.deepEqual(
+			await stylelintVSCode(new Document('no-rules.js', 'javascript', '"a"'), {
+				config: {},
+				fix: true
+			})
+			.then(r=>r.output),
+			'"a"',
+			'The JS file autofix should not change the content if no rules are defined.'
+		);
+	})();
+});