Function createReduce

lib/web/jshint.js:4973–4980

* Creates a function for `_.reduce` or `_.reduceRight`. * * @private * @param {Function} arrayFunc The function to iterate over an array. * @param {Function} eachFunc The function to iterate over a collection. * @returns {Function} Returns the new each function.

(arrayFunc, eachFunc)

     * @returns {Function} Returns the new each function.
     */
    function createReduce(arrayFunc, eachFunc) {
      return function(collection, iteratee, accumulator, thisArg) {
        var initFromArray = arguments.length < 3;
        return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))
          ? arrayFunc(collection, iteratee, accumulator, initFromArray)
          : baseReduce(collection, getCallback(iteratee, thisArg, 4), accumulator, initFromArray, eachFunc);
      };
    }

    /**
     * Creates a function that wraps `func` and invokes it with optional `this`