PropertyPath recursive fix
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This commit is contained in:
Julien Valverdé
2025-06-17 21:12:32 +02:00
parent 37ffc161d3
commit dc46d03aab
2 changed files with 17 additions and 7 deletions

View File

@@ -1,24 +1,26 @@
import { Array, Function, Option, Predicate } from "effect"
import type { Includes } from "../utils.js"
export type Paths<T> = [] | (
T extends readonly any[] ? ArrayPaths<T> :
T extends object ? ObjectPaths<T> :
export type Paths<T, Seen extends any[] = []> = [] | (
Includes<Seen, T> extends true ? [] :
T extends readonly any[] ? ArrayPaths<T, [T, ...Seen]> :
T extends object ? ObjectPaths<T, [T, ...Seen]> :
never
)
export type ArrayPaths<T extends readonly any[]> = {
export type ArrayPaths<T extends readonly any[], Seen extends any[]> = {
[K in keyof T as K extends number ? K : never]:
| [K]
| [K, ...Paths<T[K]>]
| [K, ...Paths<T[K], Seen>]
} extends infer O
? O[keyof O]
: never
export type ObjectPaths<T extends object> = {
export type ObjectPaths<T extends object, Seen extends any[]> = {
[K in keyof T as K extends string | number | symbol ? K : never]:
| [K]
| [K, ...Paths<T[K]>]
| [K, ...Paths<T[K], Seen>]
} extends infer O
? O[keyof O]
: never

View File

@@ -9,3 +9,11 @@ export type CommonKeys<A, B> = Extract<keyof A, keyof B>
export type StaticType<T extends abstract new (...args: any) => any> = Omit<T, "prototype">
export type Merge<Super, Self> = Omit<Super, CommonKeys<Self, Super>> & Self
export type Includes<T extends readonly any[], U> = (
T extends [infer Head, ...infer Tail]
? (<X>() => X extends Head ? 1 : 2) extends (<X>() => X extends U ? 1 : 2)
? true
: Includes<Tail, U>
: false
)