Issue with socket.io-stream importation in Angular 6

I'm using npm install socket.io-stream I implemented socket.io-stream on my angular component like this :

import * as io from 'socket.io-client';
import * as ss from 'socket.io-stream';

I just want to create a duplex stream like this :

stream=ss.createStream();

I have this error when I run ng build :

ERROR in ./node_modules/socket.io-stream/lib/iostream.js
Module not found: Error: Can't resolve 'stream' in ' 
'C:\Users\geoffroy\Documents\Mines Alès\2A\Stage\WebService based 
GUI\WebApp\node_modules\socket.io-stream\lib'
ERROR in ./node_modules/socket.io-stream/lib/blob-read-stream.js
Module not found: Error: Can't resolve 'stream' in 
'C:\Users\geoffroy\Documents\Mines Alès\2A\Stage\WebService based 
GUI\WebApp\node_modules\socket.io-stream\lib'

I don't understand because on my server.js It seems to work..

I try to run the command npm install stream and I don't have error with ng build. But when I launch my application I have a new error in my browser console :

inherits_browser.js:5 Uncaught TypeError: Cannot read property 'prototype' of undefined
at Object.inherits (inherits_browser.js:5)
at Object../node_modules/socket.io-stream/lib/iostream.js (iostream.js:10)
at __webpack_require__ (bootstrap:76)
at Object../node_modules/socket.io-stream/lib/socket.js (socket.js:4)
at __webpack_require__ (bootstrap:76)
at Object../node_modules/socket.io-stream/lib/index.js (index.js:1)
at __webpack_require__ (bootstrap:76)
at Object../node_modules/socket.io-stream/index.js (index.js:2)
at __webpack_require__ (bootstrap:76)

Thanks for your help

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