time-to-botec

Benchmark sampling in different programming languages
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_createAggregator.js (789B)

      1 var arrayAggregator = require('./_arrayAggregator'),
      2     baseAggregator = require('./_baseAggregator'),
      3     baseIteratee = require('./_baseIteratee'),
      4     isArray = require('./isArray');
      5 
      6 /**
      7  * Creates a function like `_.groupBy`.
      8  *
      9  * @private
     10  * @param {Function} setter The function to set accumulator values.
     11  * @param {Function} [initializer] The accumulator object initializer.
     12  * @returns {Function} Returns the new aggregator function.
     13  */
     14 function createAggregator(setter, initializer) {
     15   return function(collection, iteratee) {
     16     var func = isArray(collection) ? arrayAggregator : baseAggregator,
     17         accumulator = initializer ? initializer() : {};
     18 
     19     return func(collection, setter, baseIteratee(iteratee, 2), accumulator);
     20   };
     21 }
     22 
     23 module.exports = createAggregator;