travel/admin/node_modules/webpack-dev-server/lib/servers/SockJSServer.js

75 lines
2.0 KiB
JavaScript

'use strict';
/* eslint-disable
class-methods-use-this,
func-names
*/
const sockjs = require('sockjs');
const BaseServer = require('./BaseServer');
// Workaround for sockjs@~0.3.19
// sockjs will remove Origin header, however Origin header is required for checking host.
// See https://github.com/webpack/webpack-dev-server/issues/1604 for more information
{
const SockjsSession = require('sockjs/lib/transport').Session;
const decorateConnection = SockjsSession.prototype.decorateConnection;
SockjsSession.prototype.decorateConnection = function(req) {
decorateConnection.call(this, req);
const connection = this.connection;
if (
connection.headers &&
!('origin' in connection.headers) &&
'origin' in req.headers
) {
connection.headers.origin = req.headers.origin;
}
};
}
module.exports = class SockJSServer extends BaseServer {
// options has: error (function), debug (function), server (http/s server), path (string)
constructor(server) {
super(server);
this.socket = sockjs.createServer({
// Use provided up-to-date sockjs-client
sockjs_url: '/__webpack_dev_server__/sockjs.bundle.js',
// Limit useless logs
log: (severity, line) => {
if (severity === 'error') {
this.server.log.error(line);
} else {
this.server.log.debug(line);
}
},
});
this.socket.installHandlers(this.server.listeningApp, {
prefix: this.server.sockPath,
});
}
send(connection, message) {
// prevent cases where the server is trying to send data while connection is closing
if (connection.readyState !== 1) {
return;
}
connection.write(message);
}
close(connection) {
connection.close();
}
// f should be passed the resulting connection and the connection headers
onConnection(f) {
this.socket.on('connection', (connection) => {
f(connection, connection ? connection.headers : null);
});
}
onConnectionClose(connection, f) {
connection.on('close', f);
}
};