Commentary

'crxel' is an interface of Google Chrome Extensions API for Emacs Lisp.

Requirements

• emacs-websocket

How to install

Clone repository

git clone https://github.com/ahyatt/emacs-websocket
git clone https://github.com/mechairoi/crxel

Load chrome extension

1. Visit chrome://extensions in your browser.
2. Ensure that the Developer Mode checkbox is checked.
3. Click Load unpacked extension… and select /path/to/crxel/crxel.crx

Configure Emacs

;; ~/.emacs.d/
(add-to-list 'load-path "/path/to/emacs-websocket")
(add-to-list 'load-path "/path/to/crxel")
(require 'crxel)
(crxel/start 9649)

Samples

;; Evaluate "1+1" in javascript and `print` the outome "2"
(crxel/eval "1+1" :success 'print :fail 'error)

or

;; Call asynchronous API `chrome.tabs.query`
;; and return the outcome by `window.crxel.callback`
(crxel/eval "var callback = window.crxel.callback;
             chrome.tabs.query({}, function(tabs) {
                 callback(JSON.stringify(tabs));
             });"
            :async t
            :success (lambda (data)
                       (print (json-read-from-string data)))
            :fail 'error)

Sample applications

• anything-chrome-tabs.el