json-crdt-server/lib/routes/presence/methods/listen.js

JSON CRDT server and syncing local-first browser client

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.listen = void 0;
const rxjs_1 = require("rxjs");
const listen = ({ t, services }) => (r) => {
    const Request = t.Object(t.prop('room', t.str).options({
        title: 'Room ID',
        description: 'The ID of the room to subscribe to.',
    }));
    const Response = t.Object(t.prop('entries', t.Array(t.Ref('PresenceEntry'))), t.prop('time', t.num).options({
        title: 'Current time',
        description: 'The current server time in milliseconds since the UNIX epoch.',
    }));
    const Func = t.Function$(Request, Response).options({
        title: 'Subscribe to a room.',
        intro: 'Subscribes to presence updates in a room.',
        description: 'This method subscribes to presence updates in a room. ' +
            'It returns an array of all current presence entries in the room, and then emits an update whenever ' +
            'a presence entry is updated or deleted. ',
    });
    return r.prop('presence.listen', Func, (req$) => {
        return req$.pipe((0, rxjs_1.switchMap)((req) => services.presence.listen$(req.room)), (0, rxjs_1.map)((entries) => ({
            entries,
            time: Date.now(),
        })));
    });
};
exports.listen = listen;