@awhere/api/core/Watcher.js

The awesome aWhere API for JavaScript.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Watcher = exports.WatchEvent = void 0;
var uuid_1 = require("../utils/uuid");
var WatchEvent;
(function (WatchEvent) {
    WatchEvent["change"] = "change";
    WatchEvent["create"] = "create";
    WatchEvent["update"] = "update";
    WatchEvent["delete"] = "delete";
    WatchEvent["restore"] = "restore";
    WatchEvent["erase"] = "erase";
})(WatchEvent || (exports.WatchEvent = WatchEvent = {}));
var Watcher = /** @class */ (function () {
    function Watcher(socket, namespace, itemId) {
        var _this = this;
        this.listEvents = {};
        this.itemId = itemId;
        this.socket = socket;
        this.namepsace = namespace;
        this.generateId = uuid_1.uuid.createGenerator(this.namepsace);
        var evtId = this.generateId();
        var fn = function () { return _this.socket.emit('call', "sub:".concat(namespace), itemId); };
        this.listEvents[evtId] = { event: 'reconnect', fn: fn };
        this.socket.on('reconnect', fn);
    }
    Watcher.prototype.on = function (event, callback) {
        var socketEvent = "".concat(this.namepsace, "/").concat(event);
        var evtId = this.generateId();
        var fn = function (msg) { return callback(msg); };
        this.listEvents[evtId] = { event: socketEvent, fn: fn };
        this.socket.on(socketEvent, fn);
    };
    Watcher.prototype.off = function (event) {
        var _this = this;
        var socketEvent = "".concat(this.namepsace, "/").concat(event);
        Object.keys(this.listEvents)
            .filter(function (key) { return _this.listEvents[key].event === socketEvent; })
            .forEach(function (key) {
            var _a;
            _this.socket.off(_this.listEvents[key].event, (_a = _this.listEvents[key]) === null || _a === void 0 ? void 0 : _a.fn);
            delete _this.listEvents[key];
        });
    };
    Watcher.prototype.unwatch = function () {
        var _this = this;
        this.socket.emit('call', "unsub:".concat(this.namepsace));
        Object.keys(this.listEvents).forEach(function (key) {
            var _a;
            _this.socket.off(_this.listEvents[key].event, (_a = _this.listEvents[key]) === null || _a === void 0 ? void 0 : _a.fn);
            delete _this.listEvents[key];
        });
    };
    return Watcher;
}());
exports.Watcher = Watcher;
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