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YuruToot/app/javascript/mastodon/stream.js

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import WebSocketClient from 'websocket.js';
2017-11-16 00:04:15 +09:00
export function connectStream(path, pollingRefresh = null, callbacks = () => ({ onConnect() {}, onDisconnect() {}, onReceive() {} })) {
return (dispatch, getState) => {
const streamingAPIBaseURL = getState().getIn(['meta', 'streaming_api_base_url']);
const accessToken = getState().getIn(['meta', 'access_token']);
const { onConnect, onDisconnect, onReceive } = callbacks(dispatch, getState);
let polling = null;
const setupPolling = () => {
polling = setInterval(() => {
pollingRefresh(dispatch);
}, 20000);
};
const clearPolling = () => {
if (polling) {
clearInterval(polling);
polling = null;
}
};
const subscription = getStream(streamingAPIBaseURL, accessToken, path, {
connected () {
if (pollingRefresh) {
clearPolling();
}
onConnect();
},
disconnected () {
if (pollingRefresh) {
setupPolling();
}
onDisconnect();
},
received (data) {
onReceive(data);
},
reconnected () {
if (pollingRefresh) {
clearPolling();
pollingRefresh(dispatch);
}
onConnect();
},
});
const disconnect = () => {
if (subscription) {
subscription.close();
}
clearPolling();
};
return disconnect;
};
}
export default function getStream(streamingAPIBaseURL, accessToken, stream, { connected, received, disconnected, reconnected }) {
const params = [ `stream=${stream}` ];
if (accessToken !== null) {
params.push(`access_token=${accessToken}`);
}
const ws = new WebSocketClient(`${streamingAPIBaseURL}/api/v1/streaming/?${params.join('&')}`);
ws.onopen = connected;
ws.onmessage = e => received(JSON.parse(e.data));
ws.onclose = disconnected;
ws.onreconnect = reconnected;
return ws;
};