createChainedFunction.js 601 Bytes
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = createChainedFunction;

/**
 * Safe chained function
 *
 * Will only create a new function if needed,
 * otherwise will pass back existing functions or null.
 *
 * @returns {function|null}
 */
function createChainedFunction() {
  var args = [].slice.call(arguments, 0);

  if (args.length === 1) {
    return args[0];
  }

  return function chainedFunction() {
    for (var i = 0; i < args.length; i++) {
      if (args[i] && args[i].apply) {
        args[i].apply(this, arguments);
      }
    }
  };
}