Angular 4 Universal “window is not defined”

Question

My project was running perfectly but when i implement universal then i am getting \"window is not defined\".

My error is as below.

 node_modules/hamm         


        

Answer 1

Because Angular Universal allows you to create server-side rendered pages. And in a server, you don't have a browser, therefore you don't have a window.

You should make a condition to test if the window exists, something like this

if (window) { /* do your window things here */}