Bunch of userfull Url related methods in a coffeescript class

url.js.coffee

# Url Class
class @Url
  
  constructor: (@path) ->
    
  getQueryValue: (key) ->
    try
      queries = @getAllQueries()
      i = 0
      if queries && queries.length > 0
        while i < queries.length
          query = queries[i]
          return query[1]  if query[0] is key
          i++
    catch error
      alert error.message

  getAllQueries: ->
    try
      queries = []
      values = new Array()
      url = window.location.href
      values = url.split(/[\?&]+/)
      i = 1
      if values && values.length > 0
        while i < values.length
          value = values[i].split("=")
          queries.push(value)
          i++
      return queries
    catch error
      alert error.message

  getPath: (index) ->
    path = ""
    try
      path = window.location.pathname.substring(1)
      path = path.split("/")[index]  if path.indexOf("/") > 0
    catch error
      alert error.message
    path
    
  getUrlNoQueries: (url) ->
    try
      if !url
        url = window.location.href
      if url.indexOf("?") > 0
        url = url.split("?")[0]
    catch error
      alert error.message
    url

  getUrlPath: (index) ->
    url = ""
    try
      path = window.location.pathname.substring(1)
      url = path.split("/")[index]  if path.indexOf("/") > 0
    catch error
      alert error.message
    url
    
  getUrlVars: ->
    vars = []
    try
      hash = undefined
      hashes = window.location.href.slice(window.location.href.indexOf("?") + 1).split("&")
      i = 0
      while i < hashes.length
        hash = hashes[i].split("=")
        vars.push hash[0]
        vars[hash[0]] = hash[1]
        i++
    catch error
      alert error.message
    vars
    
  removeQueriesFromUrl: ->
    try
      queries = @getAllQueries()
      if queries and queries.length > 0
        # Remove all queries from address
        path = @getUrlNoQueries()
        document.location.href = path
    catch error
      alert error.message