how to get accesstoken from endpoint response in angular and save in local storage

i am pretty new on angualr.i am implementing login flow and i have and endpoint through which redirect me to azure B2C login page and after successfull login it redirect to another endpoint that is sending custom jwt access Token. i have to get that access token and save for latter use to access endpoints. but issue is after successful login i am stuck at the screen below enter image description here i am unable to redirect to my home page nor able to save this access token in local storage.

I have tries to use popup window option but still i am unable to redirect back from this page enter image description here this is my code enter image description here enter image description here

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