README
sleepyhollow-phantom
PhantomJS binder for two-way communication with Node.js. An IPC library in two modules, used in conjunction with sleepyhollow-node, via stdin
and stderr
. No socket.io
or server-page hacks required.
usage
To receive messages from Node.js, require and invoke sleepyhollow
. This returns an EventEmitter
instance which allows you to implement your own message passing system.
// this is PhantomJS code, not Node.js code!
var sleepyhollow = require('../index.js');
var mrhyde = sleepyhollow();
mrhyde.on('render', function(url) {
var page = require('webpage').create();
page.open(url, function(status) {
page.render(url.replace(/[\/:]/g, "") + ".png");
mrhyde.emit("rendered");
page.close();
});
});
mrhyde.on('end', function() {
phantom.exit();
});
See the usage example for the corresponding Node.js code.
emit(event, [param])
Arguments:
- event - String: name of the event
- param - Mixed: optional, any
JSON.stringify()
-able value is supported
Returns: null
Example:
myhyde.emit("payload", { prop : page.size });
on(event, listener)
Arguments:
- event - String: name of the event
- listener - Function(Mixed): receives a optional
JSON.stringify()
-able value
Example:
myhyde.on('render', function(obj) {
page.render("tmp");
})