lodash/internal/getFuncName.js

import realNames from './realNames';

/**
 * Gets the name of `func`.
 *
 * @private
 * @param {Function} func The function to query.
 * @returns {string} Returns the function name.
 */
function getFuncName(func) {
  var result = (func.name + ''),
      array = realNames[result],
      length = array ? array.length : 0;

  while (length--) {
    var data = array[length],
        otherFunc = data.func;
    if (otherFunc == null || otherFunc == func) {
      return data.name;
    }
  }
  return result;
}

export default getFuncName;