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feat: support multiple WebSocket sub-protocols in MQTT connection #2

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feat: support multiple WebSocket sub-protocols in MQTT connection #2

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15 changes: 10 additions & 5 deletions mqtt.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4726,14 +4726,19 @@ function createWebSocket (client, url, opts) {
}

function createBrowserWebSocket (client, opts) {
const websocketSubProtocol =
(opts.protocolId === 'MQIsdp') && (opts.protocolVersion === 3)
let websocketSubProtocols = [];

if (opts != undefined && opts.wsOptions !== undefined && opts.wsOptions.protocol !== undefined) {
websocketSubProtocols = opts.wsOptions.protocol.split(',');
}

websocketSubProtocols.push((opts.protocolId === 'MQIsdp') && (opts.protocolVersion === 3)
? 'mqttv3.1'
: 'mqtt'
: 'mqtt');

const url = buildUrl(opts, client)
/* global WebSocket */
const socket = new WebSocket(url, [websocketSubProtocol])
const socket = new WebSocket(url, websocketSubProtocols)
socket.binaryType = 'arraybuffer'
return socket
}
Expand Down Expand Up @@ -18671,4 +18676,4 @@ module.exports = {
};

},{}]},{},[17])(17)
});
});