'Type 'boolean' cannot be used as an index type

Upgrading angular 11 to angular 13 getting issue like Type 'boolean' cannot be used as an index type can i know what need to change in below code.

[ngClass]="{true: 'through'}[employee.status]"


Solution 1:[1]

Type 'boolean' cannot be used as an index type issue is fixed by changing the [ngClass]="{'through' :employee.status }" by referring to Angular: conditional class with *ngClass

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Shweta