Capitalize the key of the object, and if the value is an array, iterate through the objects in the array.
/* _____________ Your Code Here _____________ */
type CapitalizeNestObjectKeys<T> = T extends any[]
? T extends [infer F, ...infer R]
? [CapitalizeNestObjectKeys<F>, ...CapitalizeNestObjectKeys<R>]
: []
: T extends object
? { [K in keyof T as K extends string ? Capitalize<K> : never]: CapitalizeNestObjectKeys<T[K]> }
: T
/* _____________ Test Cases _____________ */
import type { Equal, Expect } from '@type-challenges/utils'
type foo = {
foo: string
bars: [{ foo: string }]
}
type Foo = {
Foo: string
Bars: [{
Foo: string
}]
}
type cases = [
Expect<Equal<Foo, CapitalizeNestObjectKeys<foo>>>,
]标签：Typescript,string,_____________,Keys,CapitalizeNestObjectKeys,Nest,extends,type, From： https://www.cnblogs.com/Answer1215/p/16960609.html