Publish subscribe with Javascript

router-pubsub.js

class Router {
  constructor(){
    const path = (window.location.href.split("/#!")[1])
      ?(window.location.href.split("/#!")[1])
      :(window.location.href.split(/src\/html/)[1])
    // callbacks
    this.actions = []
    this.state = {
      baseURL: window.location.protocol+"://"+window.location.host,
      path: path,
      action: (path.split("/")[1] || "index")
    }
  }
  
  subscribe(callback){
    let i = this.actions.push(callback)
    
    return {
      remove: () => {
        delete this.actions[i-1]
      }
    }
  }

  publish(data){
    this.actions.map((action) => {
      action(data)
    })
  }
  
  dispatch(){
    console.log("dispatch")
    window.onclick = (event) => {
      (event.target.localName == "a")
        ?(event.preventDefault() && this.setAction(event))
        :null
    }
  }
}