old_contents: export default function dashesToCamelCase(str) {
  
      return str.charAt(0).toUpperCase() + str.slice(1);
  };
new_contents: export default function dashesToCamelCase(str) {
      return str.replace(/-([a-z])/g, function (g) {
          return g[1].toUpperCase();
      });
  };
subject: Add helper for converting dashed words to lower camel case