CODEWITHSUNDEEP
node.jsangulartypescript
user2096321
user2096321

Reputation: 53

How to fix : Type 'Window' is not assignable to type 'typeof globalThis'

I am trying an angular project from github. I am using node version 12, angular cli 9, and updated package.json.

https://github.com/chat21/chat21-web-widget From these two files, I am getting an error while building. https://github.com/chat21/chat21-web-widget/blob/master/src/app/providers/translator.service.ts https://github.com/chat21/chat21-web-widget/blob/master/src/app/utils/globals.tsLine 31 

let windowContext = window;
if (window.frameElement && window.frameElement.getAttribute('tiledesk_context') === 'parent') {
  windowContext = window.parent;
}

Error Type: 'Window' is not assignable to type 'typeof globalThis'.

windowContext = window.parent;

I think this is the problem related to typescript but I am not familiar with that.

Upvotes: 4

Views: 9991

Answers (1)

emmanuel agarry
emmanuel agarry

Reputation: 355

Yes, this error is expected. When you created the windowContext variable, You did not state a type, so typescript inferred that windowContext is of type "Window & typeof globalThis".

Then you tried to reassign the variable, but you reassigned it with a different type. window.parent is of type "Window". So the types don't match.

you can try this 

    let windowContext: any = window;
     if (window.frameElement && 
      window.frameElement.getAttribute('tiledesk_context') === 'parent') {
       windowContext = window.parent;
     }

Upvotes: 6

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