Add ES5 for ESM

Author: hcodes

rollup.config.mjs

@@ -7,14 +7,14 @@ export default [
       format: 'iife',
       file: './dist/show-js-error.js',
     },
-    plugins: [typescript({ tsconfig: './tsconfig.json' })]
+    plugins: [typescript()]
   },
   {
     input: 'src/index.ts',
     output: {
       format: 'es',
       file: './dist/show-js-error.esm.js'
     },
-    plugins: [typescript({ tsconfig: './tsconfig.esm.json' })]
+    plugins: [typescript()]
   }
 ];