@iore8655/react-bus/dist/react-state-bus.js

@iore8655/react-bus is a global/local state management by pub/sub

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
exports.__esModule = true;
exports.useStateBusSelector = exports.createStateBus = void 0;
var react_1 = require("react");
var lodash_1 = __importDefault(require("lodash"));
var react_bus_core_1 = require("./react-bus-core");
var StateBus = /** @class */ (function (_super) {
    __extends(StateBus, _super);
    function StateBus(initialState) {
        var _this = _super.call(this) || this;
        _this.initialState = lodash_1["default"].cloneDeep(initialState);
        _this.state = lodash_1["default"].cloneDeep(initialState);
        return _this;
    }
    StateBus.prototype.rerender = function () {
        Object.values(this.subscribers).forEach(function (subscriber) { return subscriber.callback(); });
    };
    StateBus.prototype.setState = function (props) {
        this.state = __assign(__assign({}, this.state), props);
    };
    StateBus.prototype.getState = function () {
        return this.state;
    };
    StateBus.prototype.reset = function (props) {
        if (props === void 0) { props = {}; }
        this.state = lodash_1["default"].cloneDeep(__assign(__assign({}, this.initialState), props));
        this.rerender();
    };
    StateBus.prototype.restore = function (newState) {
        this.state = lodash_1["default"].cloneDeep(newState);
        this.rerender();
    };
    StateBus.prototype.dispatch = function (props) {
        if (props instanceof Function) {
            props(this.state);
            this.setState({});
        }
        if (props instanceof Object) {
            this.setState(props);
        }
        this.rerender();
    };
    return StateBus;
}(react_bus_core_1.Bus));
function createStateBus(initialState) {
    return new StateBus(initialState);
}
exports.createStateBus = createStateBus;
function useStateBusSelector(stateBus, selector) {
    if (selector === void 0) { selector = function (state) { return state; }; }
    var _a = react_1.useState({}), forceUpdate = _a[1];
    var value = react_1.useRef(selector(stateBus.getState()));
    var subId = react_1.useMemo(function () { return "sub-" + react_bus_core_1.context.subId++; }, []);
    react_1.useEffect(function () {
        stateBus.subscribe(subId, function () {
            var nextValue = selector(stateBus.getState());
            if (value.current !== nextValue) {
                value.current = nextValue;
                forceUpdate({});
            }
        });
        return function () { return stateBus.unsubscribe(subId); };
    }, [stateBus, subId, value]);
    return value.current;
}
exports.useStateBusSelector = useStateBusSelector;