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import { put, take } from 'redux-saga/effects'
import { eventChannel } from 'redux-saga'
function createSocketChannel(socket) {
return eventChannel(emit => {
const errorHandler = event => emit(JSON.parse(event))
const userErrors = socket.subscribe('/user/queue/errors', errorHandler)
const unsubscribe = () => {
userErrors.unsubscribe()
}
return unsubscribe
})
}
export function* watchOnErrors(socketConnection) {
const { socket } = socketConnection
const socketChannel = createSocketChannel(socket)
while (true) {
const payload = yield take(socketChannel)
yield put({ type: 'USER_ERROR', payload })
}
}
export default watchOnErrors
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