co-share/store.js

A Javascript framework for easily building shared applications such as chats and games

"use strict";
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
        if (ar || !(i in from)) {
            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
            ar[i] = from[i];
        }
    }
    return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Store = exports.UnsubscribeAction = exports.LogAction = void 0;
var rxjs_1 = require("rxjs");
var operators_1 = require("rxjs/operators");
var action_1 = require("./action");
exports.LogAction = action_1.Action.createUnbound("log", function (origin, log) {
    console.log(this, origin, log);
});
exports.UnsubscribeAction = action_1.Action.createUnbound("unsubscribe", function (origin) {
    if (origin == null) {
        throw "can't execute unsubscribe locally";
    }
    origin.close();
});
var Store = /** @class */ (function () {
    function Store() {
        this.actionMap = new Map();
        this.log = exports.LogAction.bindTo(this);
        this.unsubscribe = exports.UnsubscribeAction.bindTo(this);
        this.linkSet = new Set();
    }
    Object.defineProperty(Store.prototype, "mainLink", {
        get: function () {
            if (this.linkSet.size === 1) {
                return this.linkSet.values().next().value;
            }
            throw "unable to find exact one store link in the root store. If you have mutliple connections simulatenously, there is no 'main' link";
        },
        enumerable: false,
        configurable: true
    });
    Store.prototype.link = function (id, connection) {
        var _this = this;
        var onDisconnect = new rxjs_1.Subject();
        var storeLink = {
            id: id,
            connection: connection,
            close: function () { return onDisconnect.next(); },
            publish: function (actionName) {
                var params = [];
                for (var _i = 1; _i < arguments.length; _i++) {
                    params[_i - 1] = arguments[_i];
                }
                return connection.publish.apply(connection, __spreadArray([id, actionName], params, false));
            },
        };
        this.linkSet.add(storeLink);
        this.onLink(storeLink);
        connection
            .receive()
            .pipe((0, operators_1.takeUntil)(onDisconnect), (0, operators_1.filter)(function (_a) {
            var _id = _a[0];
            return id === _id;
        }), (0, operators_1.tap)(function (_a) {
            var actionName = _a[1], params = _a.slice(2);
            var action = _this.actionMap.get(actionName);
            if (action != null) {
                try {
                    action.forwardFrom.apply(action, __spreadArray([storeLink], params, false));
                }
                catch (error) {
                    _this.log.publishTo({ to: "one", one: storeLink }, "error occured when executing ".concat(actionName, ": ").concat(error));
                }
            }
            else {
                _this.log.publishTo({ to: "one", one: storeLink }, "unkown action ".concat(actionName));
            }
        }), (0, operators_1.finalize)(function () {
            _this.linkSet.delete(storeLink);
            _this.onUnlink(storeLink);
        }))
            .subscribe();
        return storeLink;
    };
    return Store;
}());
exports.Store = Store;
//# sourceMappingURL=store.js.map