chrome-xhr-spy

XHR spy for Chrome extensions. Warning: super hacky. Use at your own risk.

Installation

npm install chrome-xhr-spy

Usage

var spy = injectXHRSpy(config)

• config
  • modify - whether or not to allow modifying the request or response data (this blocks the request until the passed callback is called).
  • filter - filter options for the request
    • request - whether to spy the request
    • response - whether to spy the response
    • url - object with URL filter options
      • pathname - string pathname to match (exact)
      • search - object with search params to match
    • method - the type of request to match ('GET', 'PUT', 'POST', etc)
  • callback - callback function to call with the form function (data, info[, callback])

Returns

Object with remove method that disables removes the spy.

Example

var injectXHRSpy = require('chrome-xhr-spy')

var requestSpy = injectXHRSpy({
  filter: { request: true, pathname: '/api/v1/blah' },
  callback: function (requestData) {
    // does not block the request
    console.log(requestData)
  }
})
var responseSpy = injectXHRSpy({
  modify: true
  filter: { response: true, pathname: '/api/v1/blah' },
  callback: function (responseData, info, callback) {
    // blocks any response handlers from running until callback is called
    console.log(responseData)
    callback({ lol: 'no data 4 u' })
  }
})

// some time in the future...
requestSpy.remove()
responseSpy.remove()

License

(The MIT License)

Copyright 2016 Emburse, Inc