API_COMPAT.md

SlimerJS is implementing almost the API of Phantomjs.

Here are compatibility tables and other specific API to SlimerJS.

Main differences with PhantomJS 2.1

You'll found in the documentation a list of differences. of behaviors in the APIs implementation and in the web platform.

Command-line arguments and options

--config=/path/to/config.json	Implemented
--cookies-file=/path/to/cookies.txt	not applicable. Use profiles instead.
--debug=[yes|no]	Implemented, but not everything is displayed. With SlimerJS, it accepts also name of what to debug
--disk-cache=[yes|no]	Implemented
--disk-cache-path	(phjs 2.1)
--help or -h	Implemented
--ignore-ssl-errors=[yes|no]
--load-images=[yes|no]	Implemented
--local-storage-path=/path/to/file	not applicable. Use profiles instead.
--local-storage-quota=number	Implemented
--local-to-remote-url-access=[yes|no]
--local-url-access	(phjs 2.0)
--max-disk-cache-size=size	Implemented
--offline-storage-path	not applicable. Use profiles instead.(phjs 2.1)
--offline-storage-quota	(phjs 2.1)
--output-encoding=encoding	Implemented
--proxy=address:port	Implemented
--proxy-auth=username:password	Implemented
--proxy-type=[http|socks5|none|auto|system|config-url]	Implemented
--remote-debugger-port=number
--remote-debugger-autorun=[yes|no]
--script-encoding=encoding
--script-language=[language]	(phjs 2.0)
--ssl-protocol=[SSLv3|TLSv1|TLSv1.1|TLSv1.2|any|TLS]	Implemented. No support of sslv2. By default TLS.
--ssl-certificates-path=/path/to/dir	not applicable. Use profiles instead.
--ssl-ciphers	(phjs 2.0)
--ssl-client-certificate-file	(phjs 2.1)
--ssl-client-key-file	(phjs 2.1)
--ssl-client-key-passphrase	(phjs 2.1)
--version or -v	Implemented
--webdriver or --wd or -w	Implemented (experimental)
--webdriver=ip:port	Implemented (experimental)
--webdriver-logfile=/path/to/logfile	Implemented (experimental)
--webdriver-loglevel=[ERROR|WARN|INFO|DEBUG]	Implemented (experimental)
--webdriver-selenium-grid-hub=url	Implemented (experimental)
--web-security=[yes|no]
script path	Implemented
script arguments	Implemented

phantom object

properties

args	Implemented (deprecated, removed in phjs 2.0)
cookies	Implemented
cookiesEnabled	Implemented
defaultPageSettings	Implemented
libraryPath	Implemented (deprecated)
outputEncoding	Implemented (with support of special value 'binary' for system.stdout, Slimerjs only)
page	Not implemented. Irrelevant for SlimerJS
remoteDebugPort	(phjs 2.1)
scriptName	Implemented (deprecated, removed in phjs 2.0)
version	Implemented. Gives the PhantomJS version which is compatible to the SlimerJS implementation.
webdriverMode	Implemented
aboutToExit	Implemented

methods

addCookie(cookie)	Implemented
clearCookies()	Implemented
defaultErrorHandler(message, stack)	Implemented
deleteCookie(cookieName)	Implemented
debugExit(returnValue)	Implemented
exit(returnValue)	Implemented
fullyDecodeUrl(url)	Implemented (phjs 2.1)
injectJs(filename)	Implemented
loadModule(moduleSource, filename)
onerror(msg, trace)	Implemented
proxy()	(phjs 2.1)
resolveRelativeUrl(url, base)	Implemented (phjs 2.1)
setProxy(ip, port, proxyType, user, password)	(phjs 2.0)

slimer object

It will contain API that does not exists in PhantomJS.

version	Implemented. Gives the version of SlimerJS
clearHttpAuth()	Implemented.
exit()	Implemented.

CommonJS API

require(modulename)	Implemented
require.paths	Implemented. SlimerJS only. Array of path where modules can be found

Module: webpage

create()

Implemented

WebPage object

properties

canGoBack	Implemented
canGoForward	Implemented
clipRect	Implemented
content	Implemented.
captureContent	Implemented. list of regexp matching content types of resources for which you want to retrieve the content. The content is then set on the body property of the response object received by your onResourceReceived callback (SlimerJS only)
cookies	Implemented (phjs 2.0)
cookieJar	(phjs 2.0)
customHeaders	Implemented
event	Implemented
focusedFrameName	Implemented
frameContent	Implemented
frameName	Implemented
framePlainText	Implemented
frameTitle	Implemented
frameUrl	Implemented
framesCount	Implemented
framesName	Implemented
libraryPath	Implemented
loading	Implemented
loadingProgress	Implemented
navigationLocked	Implemented
offlineStoragePath	Implemented
offlineStorageQuota	Implemented
ownsPages	Implemented
pages	Implemented
pagesWindowName	Implemented
paperSize	Implemented. 'header' and 'footer' properties are not supported yet.
plainText	Implemented
scrollPosition	Implemented
settings	Implemented
settings.javascriptEnabled	Implemented
settings.loadImages	Implemented
settings.localToRemoteUrlAccessEnabled
settings.XSSAuditingEnabled
settings.webSecurityEnabled
settings.javascriptCanOpenWindows
settings.javascriptCanCloseWindows
settings.userAgent	Implemented
settings.userName	Implemented
settings.password	Implemented
settings.proxy	(phjs 2.1)
settings.maxAuthAttempts	Implemented
settings.resourceTimeout	Implemented
settings.plainTextAllContent	Implemented (SlimerJS only)
title	Implemented
url	Implemented
viewportSize	Implemented
windowName	Implemented
zoomFactor	Implemented

methods

<tr><td>setCookieJar(cookieJar)            </td><td>(phjs 2.0)</td></tr>
<tr><td>setCookieJarFromQObject(Qobject)   </td><td>not implemented, irrelevant (phjs 2.0)</td></tr>
<tr><td>setProxy(url)                       </td><td>(phjs 2.1)</td></tr>
<tr><td>stop()                              </td><td>Implemented</td></tr>
<tr><td>stopJavascript()                    </td><td>Implemented (phjs 2.0)</td></tr>
<tr><td>switchToFocusedFrame()              </td><td>Implemented</td></tr>
<tr><td>switchToFrame(frameName)            </td><td>Implemented</td></tr>
<tr><td>switchToFrame(framePosition)        </td><td>Implemented</td></tr>
<tr><td>switchToChildFrame(frameName)       </td><td>Implemented. deprecated</td></tr>
<tr><td>switchToChildFrame(framePosition)   </td><td>Implemented. deprecated</td></tr>
<tr><td>switchToMainFrame()                 </td><td>Implemented</td></tr>
<tr><td>switchToParentFrame()               </td><td>Implemented</td></tr>
<tr><td>uploadFile(selector, filename)      </td><td>Implemented</td></tr>

addCookie(Cookie)	Implemented
childFramesCount()	Implemented. deprecated
childFramesName()	Implemented. deprecated
clearCookies()	Implemented
clearMemoryCache()	(phjs 2.0)
close()	Implemented
currentFrameName()	Implemented. deprecated
deleteCookie(cookieName)	Implemented
evaluateJavascript(str)	implemented
evaluate(function, arg1, arg2,...)	implemented
evaluateASync(function, arg1, arg2,...)	implemented
getPage(windowName)	Implemented
go(index)	Implemented
goBack()	Implemented
goForward()	Implemented
includeJs(url, callback)	implemented
injectJs(filename)	Implemented
open(url)	Implemented. SlimerJS only: it returns a promise
open(url, callback)	Implemented. SlimerJS only: it returns a promise
open(url, httpConf)	Implemented. SlimerJS only: it returns a promise. Only GET and POST method are supported.
open(url, httpConf, callback)	Implemented. SlimerJS only: it returns a promise. Only GET and POST method are supported.
open(url, operation, data)	Implemented. SlimerJS only: it returns a promise. Only GET and POST method are supported.
open(url, operation, data, callback)	Implemented. SlimerJS only: it returns a promise. Only GET and POST method are supported.
open(url, operation, data, headers, callback)	Implemented. SlimerJS only: it returns a promise. Only GET and POST method are supported.
openUrl(url, httpConf, settings)	Implemented. SlimerJS only: it returns a promise. Only GET and POST method are supported.
release()	Implemented
reload()	Implemented
render(filename, options)	Implemented. Only PNG, JPG, BMP, ICO and PDF are supported for now.
renderBytes(format, options)	Implemented. SlimerJS only. Only PNG, BMP, ICO and JPG are supported for now.
renderBase64(format, options)	Implemented. Only PNG and JPG are supported for now.
sendEvent(mouseEventType, mouseX, mouseY, button='left')	Implemented
sendEvent(keyboardEventType, keyOrKeys)	Implemented
setContent(content, url)	Implemented

callbacks

onAlert	Implemented
onAuthPrompt	Implemented (SlimerJS only)
onCallback	Implemented
onClosing	Implemented
onConfirm	Implemented
onConsoleMessage	Implemented (SlimerJS only: the callback receives the lineNumber and the sourceID, contrary to PhantomJS)
onError	Implemented (SlimerJS issue: For errors from the webpage directly, the stack is not available..)
onFilePicker	Implemented
onInitialized	Implemented
onLoadFinished	Implemented SlimerJS only: the callback receives 3 parameters: the status ("success" or "fail"), the url and true if this is a frame that is loaded
onLoadStarted	Implemented SlimerJS only: the callback receives 2 parameters: the url and true if this is a frame that is loaded
onLongRunningScript	Implemented (phjs 2.0)
onNavigationRequested	Implemented. SlimerJS issue: navigationType is always "Undefined" and isMainFrame is irrelevant
onPageCreated	Implemented
onPrompt	Implemented
onRepaintRequested	(phjs 2.0)
onResourceError	Implemented
onResourceRequested	Implemented
onResourceReceived	Implemented
onResourceTimeout	Implemented
onUrlChanged	Implemented

Methods that send signals (private methods):

closing(page)	Implemented
initialized()	Implemented
javaScriptAlertSent(message)	Implemented
javaScriptConsoleMessageSent(message)	Implemented
loadFinished(status)	Implemented
loadStarted()	Implemented
navigationRequested(url, navigationType, navigationLocked, isMainFrame)	Implemented
rawPageCreated(page)	Implemented
repaintRequested()	(phjs 2.0)
resourceError(resourceError)	Implemented
resourceReceived(request)	Implemented
resourceRequested(resource)	Implemented
urlChanged(url)	Implemented

resourceError object received by onResourceError

id	Implemented (phjs 2.0)
url	Implemented
errorCode	Implemented
errorString	Implemented
status	Implemented (phjs 2.0)
statusText	Implemented (phjs 2.0)

request object received by onResourceRequested

id	Implemented
method	Implemented
url	Implemented
time	Implemented
headers	Implemented

request controller object received by onResourceRequested

abort()	Implemented
changeUrl(url)	Implemented
setHeader(key, value, merge)	Implemented (phjs 2.0)

response object received by onResourceReceived

id	Implemented
headers	Implemented
body	Implemented (SlimerJS only, see webpage.captureContent)
bodySize	Implemented
contentType	Implemented
contentCharset	Implemented (SlimerJS only)
imageInfo	Implemented (SlimerJS only, for images)
redirectURL	Implemented
referrer	Implemented (SlimerJS only)
stage	Implemented
status	Implemented
statusText	Implemented
time	Implemented
url	Implemented

cookieJar object

cookies	(phjs 2.0)
addCookie(cookie)	(phjs 2.0)
addCookieFromMap(cookie, url)	(phjs 2.0)
addCookiesFromMap(cookiesList, url)	(phjs 2.0)
cookiesToMap(url)	(phjs 2.0)
cookieToMap(name, url)	(phjs 2.0)
deleteCookie(name, url)	(phjs 2.0)
clearCookies()	(phjs 2.0)
close()	(phjs 2.0)

Module: CookieJar

create(path) -> cookieJar

(phjs 2.0)

Module: system

System object

properties

args	Implemented
env	Implemented
isSSLSupported
os	Implemented. SlimerJS only: an additional method on this object: isWindows()
pid	Implemented
platform	Implemented
stdout	Implemented
stdin	Implemented
stderr	Implemented
standardout	Implemented (phjs 2.0)
standardin	Implemented (phjs 2.0)
standarderr	Implemented (phjs 2.0)

Module: FileSystem

fs object

properties

separator	Implemented
workingDirectory	Implemented Note that it is a property, to be compatible with PhantomJS. In the CommonJS FileSystem specification, it supposed to be a method

methods

<tr><td>makeDirectory(path)                 </td><td>Implemented</td></tr>
<tr><td>removeDirectory(path)               </td><td>Implemented</td></tr>
<tr><td>makeTree(path)                      </td><td>Implemented</td></tr>
<tr><td>removeTree(path)                    </td><td>Implemented</td></tr>
<tr><td>copyTree(source, destination)       </td><td>Implemented</td></tr>

<tr><td>list(path)                          </td><td>Implemented</td></tr>
<tr><td>readLink(path)                      </td><td>Implemented</td></tr>

<tr><td>lastModified(path) Date             </td><td>Implemented</td></tr>
<tr><td>exists(path)                        </td><td>Implemented</td></tr>
<tr><td>isFile(path)                        </td><td>Implemented</td></tr>
<tr><td>isDirectory(path)                   </td><td>Implemented</td></tr>
<tr><td>isLink(path)                        </td><td>Implemented</td></tr>
<tr><td>isReadable(path)                    </td><td>Implemented</td></tr>
<tr><td>isWritable(path)                    </td><td>Implemented</td></tr>

<tr><td>absolute(path)                      </td><td>Implemented</td></tr>
<tr><td>join(base)                          </td><td>Implemented</td></tr>
<tr><td>split(path)                         </td><td>Implemented</td></tr>

<tr><td>size(path)                          </td><td>Implemented</td></tr>

<tr><td>isAbsolute(path)                    </td><td>Implemented (not a CommonJS FileSystem method)</td></tr>
<tr><td>isExecutable(path)                  </td><td>Implemented (not a CommonJS FileSystem method)</td></tr>

<tr><td>changeWorkingDirectory(path)        </td><td>Implemented</td></tr>
<tr><td>fromNativeSeparators(path)          </td><td></td></tr>
<tr><td>toNativeSeparators(path)            </td><td></td></tr>

open(path, mode)	Implemented
read(path)	Implemented
write(path, content, mode)	Implemented
copy(source, destination)	Implemented
move(source, destination)	Implemented
remove(path)	Implemented
touch(path)	Implemented

Other additional methods not provided in PhantomJS, but that are part of the CommonJS FileSystem specification

<tr><td>listTree(path)                      </td><td></td></tr>
<tr><td>listDirectoryTree(path)             </td><td></td></tr>

<tr><td>link(source, target)                </td><td></td></tr>
<tr><td>hardLink(source, target)            </td><td></td></tr>

<tr><td>same(source, target)                </td><td></td></tr>

<tr><td>workingDirectoryPath()              </td><td></td></tr>

<tr><td>normal(path)                        </td><td></td></tr>
<tr><td>canonical(path)                     </td><td></td></tr>
<tr><td>directory(path)                     </td><td>Implemented</td></tr>
<tr><td>base(path)                          </td><td>Implemented</td></tr>
<tr><td>extension(path)                     </td><td>Implemented</td></tr>

rename(path, name)

Implemented

stream object

atEnd()	Implemented
read()	Implemented
readLine()	Implemented
write(data)	Implemented
writeLine(data)	Implemented
flush()	Implemented
close()	Implemented
seek(pos)
getEncoding()	Implemented (phjs 2.0)
setEncoding(encoding)	Implemented (phjs 2.0)

Module: webserver

create()

Implemented

WebServer object

port	Implemented
close()	Implemented
listenOnPort(port, options)
listen(port, callback)	Implemented. The callback is called for every http request. Don't give it if you use one of register* methods (it calls registerPrefixHandler("/", callback);)
listen(port, options, callback)	This form of call is recognized but options are ignored in SlimerJS
onNewRequest
registerFile(path, filePath)	Implemented (SlimerJS only). Maps the given path to a file.
registerDirectory(path, directoryPath)	Implemented (SlimerJS only). Maps a path to a dir (directoryPath)
registerPathHandler(path, callback)	Implemented (SlimerJS only). Register a callback that will be called when an HTTP client request the given path.
registerPrefixHandler(prefixPath, callback)	Implemented (SlimerJS only). Register a callback that will be called when an HTTP client request a path starting with prefixPath.

request object

method	Implemented
url	Implemented
httpVersion	Implemented
headers	Implemented
post	Implemented
postRaw	Implemented
path	Implemented (SlimerJS only). Contains the path part of the URL (Readonly)
queryString	Implemented (SlimerJS only). Contains the query part of the URL (Readonly)

response object

headers	Implemented
header(name)	Implemented
setHeader(name, value)	Implemented
setEncoding(encoding)	Implemented
statusCode	Implemented
write(data)	Implemented
writeHead(statusCode, headers)	Implemented
close()	Implemented
closeGracefully()	Implemented

Module: child_process

spawn(cmd, args, opts)
exec(cmd, opts, cb)	(not implemented in PhantomJS)
execFile(file, args, options, callback)
fork(modulePath, args, options)	(not implemented in PhantomJS)

context object (returned by execFile and spawn)

pid
kill(signal)
on(event, callback)
stdout.on(event, callback)
stderr.on(event, callback)
stdin.write(chunk, encoding)
stdin.close()
stdin.end()