craftbeerpi4-pione/samples.txt
2019-01-07 22:34:11 +01:00

51 lines
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954 B
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function noop() {}
export default function (url, opts) {
opts = opts || {};
var ws, num=0, $={};
var max = opts.maxAttempts || Infinity;
$.open = function () {
ws = new WebSocket(url, opts.protocols || []);
ws.onmessage = opts.onmessage || noop;
ws.onopen = function (e) {
(opts.onopen || noop)(e);
num = 0;
};
ws.onclose = function (e) {
e.code === 1e3 || e.code === 1005 || $.reconnect(e);
(opts.onclose || noop)(e);
};
ws.onerror = function (e) {
(e && e.code==='ECONNREFUSED') ? $.reconnect(e) : (opts.onerror || noop)(e);
};
};
$.reconnect = function (e) {
(num++ < max) ? setTimeout(function () {
(opts.onreconnect || noop)(e);
$.open();
}, opts.timeout || 1e3) : (opts.onmaximum || noop)(e);
};
$.json = function (x) {
ws.send(JSON.stringify(x));
};
$.send = function (x) {
ws.send(x);
};
$.close = function (x, y) {
ws.close(x || 1e3, y);
};
$.open(); // init
return $;
}