fix: typescript error

logto-io · Jul 19, 2024 · 84ca7ea · 84ca7ea
1 parent 65e625e
commit 84ca7ea
Showing 1 changed file with 17 additions and 5 deletions.
diff --git a/packages/phrases-experience/src/types.ts b/packages/phrases-experience/src/types.ts
@@ -1,10 +1,22 @@
 import type en from './locales/en/index.js';
 
-type FlattenKeys<T, Prefix extends string = ''> = {
- [K in keyof T]: T[K] extends Record<string, unknown>
- ? `${Prefix}${string & K}.${FlattenKeys<T[K]>}`
- : `${Prefix}${string & K}`;
-}[keyof T];
+type DecrementDepth<D extends number> = D extends 5
+ ? 4
+ : D extends 4
+ ? 3
+ : D extends 3
+ ? 2
+ : D extends 2
+ ? 1
+ : 0;
+
+type FlattenKeys<T, Prefix extends string = '', Depth extends number = 5> = Depth extends 0
+ ? never
+ : {
+ [K in keyof T]: T[K] extends Record<string, unknown>
+ ? `${Prefix}${string & K}.${FlattenKeys<T[K], '', DecrementDepth<Depth>>}`
+ : `${Prefix}${string & K}`;
+ }[keyof T];
 
 export type LocalePhrase = typeof en;