append-querystring

install

using npm

npm i append-querystring --save

example

log = console.log
append = require 'append-querystring'
 
original = 'http://landing-page.com/?s1=sid1&sid2=sid3'
log append "http://click-url.com/?affid=1", original, {object_format_sid:"Hello Friends"}
 
###
http://click-url.com/?affid=1&s1=sid1&sid2=sid3&object_format_sid=Hello%20Friends
###