feat: add support for numeric objects

allohamora · Sep 12, 2023 · d44c80a · d44c80a
1 parent c751701
commit d44c80a
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/__tests__/unit/config.manager.spec.ts b/__tests__/unit/config.manager.spec.ts
@@ -17,6 +17,7 @@ describe('ConfigManager', () => {
     getConfig: () => ({
       root: { sub: { inner: 1, arr: [1, 2, 3] } },
       root2: { empty: undefined, nullable: null },
+      root3: { [0]: 123 },
       false: false,
       emptyString: '',
       notPlain,
@@ -45,6 +46,14 @@ describe('ConfigManager', () => {
       expect(manager.getOrThrow('root2')).toEqual({ empty: undefined, nullable: null });
     });
 
+    it('returns root3', () => {
+      expect(manager.getOrThrow('root3')).toEqual({ [0]: 123 });
+    });
+
+    it('returns root3.0', () => {
+      expect(manager.getOrThrow('root3.0')).toEqual(123);
+    });
+
     it('returns false', () => {
       expect(manager.getOrThrow('false')).toBe(false);
     });

diff --git a/src/utils/flatten.utils.ts b/src/utils/flatten.utils.ts
@@ -1,7 +1,7 @@
 type SupportedValues = bigint | boolean | null | number | string | symbol | undefined | object;
 
 // original https://github.com/ghoullier/awesome-template-literal-types#dot-notation-string-type-safe
-export type PathImpl<Obj, Key extends keyof Obj> = Key extends string
+export type PathImpl<Obj, Key extends keyof Obj> = Key extends string | number
   ? Obj[Key] extends Record<string, SupportedValues>
     ? Key | `${Key}.${PathImpl<Obj[Key], keyof Obj[Key]>}`
     : Key