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rxjs-ws-channels-filters
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Readme
RxJS implementation of websockets with channels and filters
var options = {
url: 'localhost:3000/api',
invalidUrl: function (e) {
// optional option if close event code is >= 1006 https://developer.mozilla.org/en-US/docs/Web/API/CloseEvent
// this function will be called expecting a promise
// in the resolve of the promise the websocket connection will try again to connect with the url from the options
// in the reject of the promise the websocket observer will complete
return new Promise(function (resolve, reject) {
setTimeout(function () {
options.url = 'localhost:3000/api';
resolve(10);
}, 1000);
});
},
transformResponse: function (message) {
// transform the response from server
return message;
},
transformRequest: function (message) {
// transform the request sent to server
if (message.filters && message.filters.length) {
var i = message.filters.length - 1;
for (; i > -1; i--) {
message.filters[i].type = message.channel;
}
}
return message;
},
channelsMatch: function channelsMatch(source, target) {
// default function to find matching channels used for sending messages to the correct channel
// and to not have duplicate channels
// optional option, arguments ['existing channel', 'message channel']
return source === target;
},
filtersMatch: function filtersMatch(source, target) {
// default function to find matching filters used for sending messages to the correct filter
// and to not have duplicate filters on the same channel
// optional option, arguments ['existing filter object', 'message filter object']
if (target) {
for (var p in source) {
if (source[p] !== target[p]) {
return false;
}
}
return true;
}
},
// default options for actions
channelJoinAction: 'JOIN',
channelLeaveAction: 'LEAVE',
filterJoinAction: 'ADD',
filterLeaveAction: 'REMOVE',
notifyAction: 'NOTIFY'
};
var socket = rxSocket.create(options);
console.log(socket);
socket.channels.subscribe('one', function (message) {
console.log(message);
});
socket.channels.subscribe('one', function (message) {
console.log('secondSubscription to one');
console.log(message);
});
socket.channels.subscribe('two', function (message) {
console.log(message);
});
var filterSub = socket.channels.subscribeFilter('three', {id: 3}, function (message) {
console.log('filter', message);
});
filterSub.send('this is a message, from filter'); //send messages to server on this channel and filter
setTimeout(function () {
filterSub.unsubscribe();
var filterSub2 = socket.channels.subscribeFilter('three', {id: 4}, function (message) {
console.log('filter', message);
});
}, 5000);
FAQs
RxJS websockets implementation with channels and filters
The npm package rxjs-ws-channels-filters receives a total of 0 weekly downloads. As such, rxjs-ws-channels-filters popularity was classified as not popular.
We found that rxjs-ws-channels-filters demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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