Camamba Hook Into OnMessage

allows to add handlers for onMessage requests
Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta // @require https://update.greasyfork.org/scripts/423665/1180072/Camamba%20Hook%20Into%20OnMessage.js
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Wrap lines
// ==UserScript==
// @name            Camamba Hook Into OnMessage Library
// @namespace       dannysaurus.camamba
// @version         0.2
// @description     allows to add handlers for onMessage requests
// @license         MIT License
// @include         https://www.camamba.com/chat/
// @include         https://www.de.camamba.com/chat/
// ==/UserScript==

/* jslint esversion: 9 */
/* global me, camData, rooms, blockList, friendList, friendRequests, adminMessages, jsLang, byId, myRooms, knownUsers, activeRoom, selectedUser, settings */

//  https://greasyfork.org/scripts/423665-camamba-hook-into-onmessage

// === overwrite relevant property to add handler before onMessage is going to be processed
const onMessageHandlers = {
    // Keepalive response
    pong: data => {
        return true;
    },

    // Chat message
    roomChat: data => {
        return true;
    },

    // Private message
    private: data => {
        return true;
    },

    // Control messages
    control: data => {
        return true;
    },

    // User Joined Room
    joined: data => {
        return true;
    },

    // User left
    left: data => {
        return true;
    },

    // User disconnected from server
    disco: data => {
        return true;
    },

    // Room User List
    roomList: data => {
        return true;
    },

    // Room access denied
    denied: data => {
        return true;
    },

    // Private room ready
    privateCreate: data => {
        return true;
    },

    // Owner of a private room left the chat
    ownerLeft: data => {
        return true;
    },

    // User joins my room
    joinRequest: data => {
        return true;
    },

    // Room user count
    roomStats: data => {
        return true;
    },

    // Private room data
    privStats: data => {
        return true;
    },

    // Image Upload
    file: data => {
        return true;
    },

    // Cam published
    camOn: data => {
        return true;
    },

    // Cam turned off
    camOff: data => {
        return true;
    },

    // AFK mark
    afk: data => {
        return true;
    },

    // Second login overrides
    duplicate: data => {
        return true;
    },

    // Admin messages
    admin: data => {
        return true;
    },

    // Admin ban
    ban: data => {
        return true;
    },

    // Connected (control layer)
    connectConfirm: data => {
        return true;
    }
};

// === overwrite relevant property to add handler after onMessage got processed
const postMessageHandlers = {
    // Keepalive response
    pong: data => {
        return;
    },

    // Chat message
    roomChat: data => {
        return;
    },

    // Private message
    private: data => {
        return;
    },

    // Control messages
    control: data => {
        return;
    },

    // User Joined Room
    joined: data => {
        return;
    },

    // User left
    left: data => {
        return;
    },

    // User disconnected from server
    disco: data => {
        return;
    },

    // Room User List
    roomList: data => {
        return;
    },

    // Room access denied
    denied: data => {
        return;
    },

    // Private room ready
    privateCreate: data => {
        return;
    },

    // Owner of a private room left the chat
    ownerLeft: data => {
        return;
    },

    // User joins my room
    joinRequest: data => {
        return;
    },

    // Room user count
    roomStats: data => {
        return;
    },

    // Private room data
    privStats: data => {
        return;
    },

    // Image Upload
    file: data => {
        return;
    },

    // Cam published
    camOn: data => {
        return;
    },

    // Cam turned off
    camOff: data => {
        return;
    },

    // AFK mark
    afk: data => {
        return;
    },

    // Second login overrides
    duplicate: data => {
        return;
    },

    // Admin messages
    admin: data => {
        return;
    },

    // Admin ban
    ban: data => {
        return;
    },

    // Connected (control layer)
    connectConfirm: data => {
        return;
    }
};


(() => {
    'use strict';

    const onMessage = (message) => {
        const data = JSON.parse(message.data);

        let handler = onMessageHandlers[data.command];
        return (typeof handler === 'function') ? handler(data) : true;
    };

    const postMessage = (message) => {
        const data = JSON.parse(message.data);

        let handler = postMessageHandlers[data.command];
        if (typeof handler === 'function') {
            handler(data);
        }
    };

    (async () => {
        const wait = async (ms) => new Promise(res => setTimeout(res, ms));
        // wait until websocket has been connected
        while (typeof ws !== 'object' || !ws || !ws.readyState) {
            await wait(100);
        }

        const originalOnMessage = ws.onmessage;
        ws.onmessage = (message) => {
            const resultOnMessage = onMessage(message);

            if (resultOnMessage) {
                originalOnMessage(message);
                postMessage(message);
            }
        };
    })();
})();