lepu-test-platform-web/node_modules/sockjs-client/lib/transport/eventsource.js

28 lines
766 B
JavaScript

'use strict';
var inherits = require('inherits')
, AjaxBasedTransport = require('./lib/ajax-based')
, EventSourceReceiver = require('./receiver/eventsource')
, XHRCorsObject = require('./sender/xhr-cors')
, EventSourceDriver = require('eventsource')
;
function EventSourceTransport(transUrl) {
if (!EventSourceTransport.enabled()) {
throw new Error('Transport created when disabled');
}
AjaxBasedTransport.call(this, transUrl, '/eventsource', EventSourceReceiver, XHRCorsObject);
}
inherits(EventSourceTransport, AjaxBasedTransport);
EventSourceTransport.enabled = function() {
return !!EventSourceDriver;
};
EventSourceTransport.transportName = 'eventsource';
EventSourceTransport.roundTrips = 2;
module.exports = EventSourceTransport;