Start up phantomjs on localhost, and a random port

Throws and error if phantom cannot be found, or cannot be started. It works with a timeout of five seconds.

run_phantomjs(debugLevel = c("INFO", "ERROR", "WARN", "DEBUG"), timeout = 5000)

Arguments

debugLevel	Phantom.js debug level, possible values: "INFO", "ERROR", "WARN", "DEBUG".
timeout	How long to wait (in milliseconds) for the webdriver connection to be established to the phantomjs process.

Value

A list of process, the callr::process object, and port, the local port where phantom is running.