npm package is not usable

[dlebedynskyi]

install npm package

 > npm install Module not found

in your code

import {
    HubClient
} from 'signal-arr';


const client = new HubClient({
        url: "https://localhost:44391/signalr"
    });

webpack during build

ERROR in ./~/signal-arr/index.js
Module not found: Error: Cannot resolve 'file' or 'directory' ./PromiseMaker in c:\Code\test\node_modules\signal-arr
 @ ./~/signal-arr/index.js 22:20-45 818:20-45

ERROR in ./~/signal-arr/index.js
Module not found: Error: Cannot resolve 'file' or 'directory' ./EventEmitter in c:\Code\test\node_modules\signal-arr
 @ ./~/signal-arr/index.js 26:21-46 974:21-46

ERROR in ./~/signal-arr/index.js
Module not found: Error: Cannot resolve 'file' or 'directory' ./ConnectingMessageBuffer in c:\Code\test\node_modules\signal-arr
 @ ./~/signal-arr/index.js 30:31-67

guys you really need valid working example of usage for this package. Even thought idea is great it won't fly if it does not work