Answers for "argument of type 'string | null | undefined' is not assignable to parameter of type 'string'. type 'undefined' is not assignable to type 'string'"

TypeScript

Argument of type 'string | null' is not assignable to parameter of type 'string'. Type 'null' is not assignable to type 'string'

this.currentUser = JSON.parse(localStorage.getItem('currentUser') || '{}');

Posted by: Guest on December-18-2020

Source

ype 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string

this.property.Name = data?.Name || '{}';

Posted by: Guest on July-30-2021

Argument of type 'string | null' is not assignable to parameter of type 'string'. Type 'null' is not assignable to type 'string'.

Argument of type 'string | null' is not assignable to parameter of type 'string'.
  Type 'null' is not assignable to type 'string'.
  route.paramMap.get('id')

ANS-
route.paramMap.get('id')!

Posted by: Guest on May-13-2022

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Answers for "argument of type 'string | null | undefined' is not assignable to parameter of type 'string'. type 'undefined' is not assignable to type 'string'"

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