@reactivers/use-event-listener/dist/index.cjs.js

Custom Event Listener hooks in React

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var react = require('react');
var jsxRuntime = require('react/jsx-runtime');

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Permission to use, copy, modify, and/or distribute this software for any
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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var __assign = function() {
    __assign = Object.assign || function __assign(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 guid = function () {
    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
        var r = Math.random() * 16 | 0, v = c === 'x' ? r : (r & 0x3 | 0x8);
        return v.toString(16);
    });
};

var EventListenerContext = react.createContext({});
var EventListenerProvider = function (_a) {
    var children = _a.children;
    var events = react.useRef({}).current;
    var removeEvent = react.useCallback(function (component, name, id) {
        if (!!events)
            if (!!events[component])
                if (!!events[component][name])
                    delete events[component][name][id];
    }, [events]);
    var registerEvent = react.useCallback(function (component, name, event) {
        var newEventId = guid();
        if (!events[component])
            events[component] = {};
        if (!events[component][name])
            events[component][name] = {};
        events[component][name][newEventId] = event;
        return (function () { return removeEvent(component, name, newEventId); });
    }, [events, removeEvent]);
    var registerEventById = react.useCallback(function (component, name, newEventId, event) {
        if (!events[component])
            events[component] = {};
        if (!events[component][name])
            events[component][name] = {};
        events[component][name][newEventId] = event;
        return (function () {
            removeEvent(component, name, newEventId);
        });
    }, [events, removeEvent]);
    var callEvent = react.useCallback(function (component, name, id, parameters) {
        var _events = events[component] || {};
        var registeredEvents = _events[name] || {};
        var registeredEvent = registeredEvents[id];
        if (registeredEvent)
            return registeredEvent(parameters);
    }, [events]);
    var callAllEvents = react.useCallback(function (component, name, parameters, callback) {
        var _events = events[component] || {};
        var registeredEvents = _events[name] || {};
        Object.keys(registeredEvents).forEach(function (key) {
            var result = callEvent(component, name, key, parameters);
            if (callback) {
                callback(result);
            }
        });
    }, [events]);
    return (jsxRuntime.jsx(EventListenerContext.Provider, __assign({ value: {
            removeEvent: removeEvent,
            registerEvent: registerEvent,
            registerEventById: registerEventById,
            callEvent: callEvent,
            callAllEvents: callAllEvents,
        } }, { children: children }), void 0));
};
var useEventListenerContext = function () {
    var context = react.useContext(EventListenerContext);
    if (context === undefined) {
        throw new Error('useEventListenerContext must be used within an EventListenerContext');
    }
    return context;
};

var useEventListener = function (component) {
    var _a = useEventListenerContext(), _registerEvent = _a.registerEvent, _registerEventById = _a.registerEventById, _removeEvent = _a.removeEvent, _callAllEvents = _a.callAllEvents, _callEvent = _a.callEvent;
    var registerEvent = react.useCallback(function (name, event) {
        if (_registerEvent)
            return _registerEvent(component, name, event);
    }, [_registerEvent, component]);
    var registerEventById = react.useCallback(function (name, id, event) {
        if (_registerEventById)
            return _registerEventById(component, name, id, event);
    }, [_registerEventById, component]);
    var removeEvent = react.useCallback(function (name, id) { return _removeEvent && _removeEvent(component, name, id); }, [_removeEvent, component]);
    var callAllEvents = react.useCallback(function (name, parameters, callback) {
        return _callAllEvents && _callAllEvents(component, name, parameters, callback);
    }, [_callAllEvents, component]);
    var callEvent = react.useCallback(function (name, id, parameters) {
        return _callEvent && _callEvent(component, name, id, parameters);
    }, [_callEvent, component]);
    return { registerEvent: registerEvent, registerEventById: registerEventById, removeEvent: removeEvent, callAllEvents: callAllEvents, callEvent: callEvent };
};

exports.EventListenerProvider = EventListenerProvider;
exports.useEventListener = useEventListener;