feat: use ES Module export instead of CommonJS (#69)

Author: niksy

src/index.js

@@ -12,5 +12,5 @@ export default function rawLoader(source) {
     .replace(/\u2028/g, '\\u2028')
     .replace(/\u2029/g, '\\u2029');
 
-  return `module.exports = ${json}`;
+  return `export default ${json}`;
 }

test/__snapshots__/loader.test.js.snap

@@ -2,10 +2,10 @@
 
 exports[`loader should works: errors 1`] = `Array []`;
 
-exports[`loader should works: file 1`] = `"module.exports = \\"Где розы — там и тернии —\\\\nТаков закон судьбы.\\\\n\\\\nНиколай Алексеевич Некрасов\\\\n\\\\nWhere the roses are - there are thorns -\\\\nThat is the law of fate.\\\\n\\\\nNikolay Alekseevich Nekrasov\\\\n\\""`;
+exports[`loader should works: file 1`] = `"export default \\"Где розы — там и тернии —\\\\nТаков закон судьбы.\\\\n\\\\nНиколай Алексеевич Некрасов\\\\n\\\\nWhere the roses are - there are thorns -\\\\nThat is the law of fate.\\\\n\\\\nNikolay Alekseevich Nekrasov\\\\n\\""`;
 
-exports[`loader should works: inline 1`] = `"module.exports = \\"Где розы — там и тернии —\\\\nТаков закон судьбы.\\\\n\\\\nНиколай Алексеевич Некрасов\\\\n\\\\nWhere the roses are - there are thorns -\\\\nThat is the law of fate.\\\\n\\\\nNikolay Alekseevich Nekrasov\\\\n\\""`;
+exports[`loader should works: inline 1`] = `"export default \\"Где розы — там и тернии —\\\\nТаков закон судьбы.\\\\n\\\\nНиколай Алексеевич Некрасов\\\\n\\\\nWhere the roses are - there are thorns -\\\\nThat is the law of fate.\\\\n\\\\nNikolay Alekseevich Nekrasov\\\\n\\""`;
 
-exports[`loader should works: separator 1`] = `"module.exports = \\"Word\\\\u2028Word\\\\u2029Word\\\\n\\""`;
+exports[`loader should works: separator 1`] = `"export default \\"Word\\\\u2028Word\\\\u2029Word\\\\n\\""`;
 
 exports[`loader should works: warnings 1`] = `Array []`;