feat(typescript-types): Add KeyPath<T, Separator = '.'>

2025-07-15 07:44:21 +02:00
parent 0cbc6d41a4
commit eac7768bfb
3 changed files with 26 additions and 0 deletions
--- a/packages/typescript-types/src/key-path.ts
+++ b/packages/typescript-types/src/key-path.ts
@@ -0,0 +1,9 @@
+import type { If } from './if.js'
+import type { IsEmptyString } from './is-empty-string.js'
+
+export type KeyPath<
+	P extends string,
+	Separator extends string = '.'
+> = P extends `${infer Key}${Separator}${infer Rest}`
+	? [Key, ...KeyPath<Rest, Separator>]
+	: If<IsEmptyString<P>, [], [P]>