gistfile1.txt

class @Appsignal

  constructor: ->
    @action = ""
    @tags = {}

  set_action: (action) ->
    @action = action

  tag_request: (tags) ->
    for key in tags
      @tags[key] = tags[key]

  sendError: (error) ->
    data = {
      action: @action
      message: error.message
      name: error.name
      backtrace: error.stack.split("\n")
      path: window.location.pathname
      tags: @tags
      environment: {
        agent: navigator.userAgent
        platform: navigator.platform
        vendor: navigator.vendor
        screen_width: screen.width
        screen_height: screen.height
      }
    }

    xhr = new XMLHttpRequest()
    xhr.open('POST', '/appsignal_error_catcher', true)
    xhr.setRequestHeader('Content-Type', 'application/json; charset=UTF-8')
    xhr.send(JSON.stringify(data))

appsignal = new Appsignal
window.appsignal = appsignal

window.onerror = (message, filename, lineno, colno, error) ->
  appsignal.sendError(error) if error