1 var baseAssignValue = require(
'./_baseAssignValue'),
2 createAggregator = require(
'./_createAggregator');
5 var objectProto = Object.prototype;
8 var hasOwnProperty = objectProto.hasOwnProperty;
32 var countBy = createAggregator(
function(result, value, key) {
33 if (hasOwnProperty.call(result, key)) {
36 baseAssignValue(result, key, 1);
40 module.exports = countBy;