group_by v0.0.2

jsgroup_by

A simple Object and Array extension that allows for easy grouping.

Install

npm install group_by

Usage

require('group_by')

var x = [1,2,3,4]
var grouping_key_generator = function(o) { 
  if(o%2==0) 
    return 'even'; 
  return 'odd'  
}

var groups = x.group_by(grouping_key_generator);

console.log(groups);