module.exports = function()

in src/utils/once.js [11:21]

• 11 lines of code
• 2 McCabe index (conditional complexity)

module.exports = function(func) {
  let called = false;
  let result;
  return function(...args) {
    if (called) {
      return result;
    }
    called = true;
    return result = func.apply(this, args);
  };
};