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