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dedupe

dedupe Build Status

NPM

NPM

removes duplicates from your array.

Installation

$ npm install dedupe

Usage

primitive types

var dedupe = require('dedupe')
 
var a = [1, 2, 2, 3]
var b = dedupe(a)
console.log(b)
 
//result: [1, 2, 3] 

complex types

Here the string representation of the object is used for comparism. The mechanism is similar to JSON.stringifing but a bit more efficient. That means that {} is considered egal to {}.

var dedupe = require('dedupe')
 
var aa = [{a: 2}, {a: 1}, {a: 1}, {a: 1}]
var bb = dedupe(aa)
console.log(bb)
 
//result: [{a: 2}, {a: 1}] 

complex types types with custom hasher

var dedupe = require('dedupe')
 
var aaa = [{a: 2, b: 1}, {a: 1, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}]
var bbb = dedupe(aaa, value => value.a)
console.log(bbb)
 
//result: [{a: 2, b: 1}, {a: 1,b: 2}]