Improve check on shouldTranspile

Author: CompuIves

packages/app/src/sandbox/eval/transpilers/babel/check.js

@@ -1,6 +1,6 @@
 import isESModule from '../../utils/is-es-module';
 
-const JSXSyntax = /(.*)<\w(.|\n)*?\/?>/;
+const JSXSyntax = /\n(.*?)<\w(.|\n)*?\/?>/;
 
 export function shouldTranspile(code: string, path: string) {
   if (isESModule(code)) {

packages/app/src/sandbox/eval/transpilers/babel/check.test.js

@@ -2,13 +2,15 @@ import { shouldTranspile } from './check';
 
 describe('shouldTranspile', () => {
   it('does have to transpile clear jsx', () => {
-    const code = '<div></div>';
+    const code = `
+    <div></div>`;
 
     expect(shouldTranspile(code, '')).toBe(true);
   });
 
   it("doesn't have to transpile comments with jsx", () => {
-    const code = '    // Setting .type throws on non-<input> tags';
+    const code = `
+        // Setting .type throws on non-<input> tags`;
 
     expect(shouldTranspile(code, '')).toBe(false);
   });