40 lines
578 B
TypeScript

import { Equal, Expect } from '@type-challenges/utils'
type cases = [
Expect<Equal<DeepReadonly<X>, Expected>>,
]
type X = {
a: () => 22
b: string
c: {
d: boolean
e: {
g: {
h: {
i: true
j: 'string'
}
k: 'hello'
}
}
}
}
type Expected = {
readonly a: () => 22
readonly b: string
readonly c: {
readonly d: boolean
readonly e: {
readonly g: {
readonly h: {
readonly i: true
readonly j: 'string'
}
readonly k: 'hello'
}
}
}
}