time-to-botec

Benchmark sampling in different programming languages
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_arrayReduce.js (787B)

      1 /**
      2  * A specialized version of `_.reduce` for arrays without support for
      3  * iteratee shorthands.
      4  *
      5  * @private
      6  * @param {Array} [array] The array to iterate over.
      7  * @param {Function} iteratee The function invoked per iteration.
      8  * @param {*} [accumulator] The initial value.
      9  * @param {boolean} [initAccum] Specify using the first element of `array` as
     10  *  the initial value.
     11  * @returns {*} Returns the accumulated value.
     12  */
     13 function arrayReduce(array, iteratee, accumulator, initAccum) {
     14   var index = -1,
     15       length = array == null ? 0 : array.length;
     16 
     17   if (initAccum && length) {
     18     accumulator = array[++index];
     19   }
     20   while (++index < length) {
     21     accumulator = iteratee(accumulator, array[index], index, array);
     22   }
     23   return accumulator;
     24 }
     25 
     26 module.exports = arrayReduce;