fix autocomplete

src/index.ts

@@ -1,10 +1,19 @@
 import i18n from 'i18n'
 import { LocaleKeys } from './keys.js'
 
+type NestedKeyOf<T> = {
+    [K in keyof T]: T[K] extends string
+        ? T[K]
+        : `${K & string}.${NestedKeyOf<T[K]>}`
+}[keyof T]
+
 interface Translate<T extends LocaleKeys = LocaleKeys> {
-    <K extends keyof T>(phrase: K, options?: T[K]): string
+    <K extends NestedKeyOf<T>>(
+        phrase: K,
+        options?: Record<string, string>,
+    ): string
 }
-// TODO: Fix the type of the phrase parameter
+
 export function Translator<T extends LocaleKeys = LocaleKeys>(locale: string) {
     const translate: Translate<T> = (phrase, options) => {
         return i18n.__mf({ phrase: phrase as string, locale }, options)

src/keys.ts

@@ -1,5 +1,5 @@
 export interface LocaleKeys {
-    [key: string]: unknown
+    [key: string]: string | LocaleKeys
 }
 export default LocaleKeys
 export const localeKeys: LocaleKeys = {}