interface Person{
name:string,
age:number,
gender?:string
}
interface Employee extends Person{
name='John Doe',
age:number
}
I am trying to achieve the above structure for a person and employee in TypeScript. I am also curious if something similar can be done using types instead of interfaces. Any insights would be greatly appreciated.
To eliminate optional properties using types instead of interfaces, you can achieve this by defining two types as shown below:
type SampleType = {
key1: string,
key2: boolean,
key3?: boolean
}
type ResultType = {
[Key in keyof SampleType as SampleType[Key] extends Required<SampleType>[Key] ? Key : never]: SampleType[Key]
}
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