fix(cli): exclude nested kebab-case keys, update tests

Author: Tlacenka

packages/cli/src/lib/implementation/filter-kebab-case-keys.ts

@@ -7,7 +7,21 @@ export function filterKebabCaseKeys<T extends Record<string, unknown>>(
     if (key.includes('-')) {
       return;
     }
-    newObj[key] = obj[key];
+
+    if (
+      typeof obj[key] === 'string' ||
+      (typeof obj[key] === 'object' && Array.isArray(obj[key]))
+    ) {
+      newObj[key] = obj[key];
+    }
+
+    if (
+      typeof obj[key] === 'object' &&
+      !Array.isArray(obj[key]) &&
+      obj[key] != null
+    ) {
+      newObj[key] = filterKebabCaseKeys(obj[key] as Record<string, unknown>);
+    }
   });
 
   return newObj as T;

packages/cli/src/lib/implementation/filter-kebab-case-keys.unit.test.ts

@@ -2,16 +2,39 @@ import { expect } from 'vitest';
 import { filterKebabCaseKeys } from './filter-kebab-case-keys';
 
 describe('filterKebabCaseKeys', () => {
-  it('should filter kebab-case keys', () => {
+  it('should filter root level kebab-case keys', () => {
     const obj = {
       'kebab-case': 'value',
       camelCase: 'value',
       snake_case: 'value',
     };
-    const filtered = filterKebabCaseKeys(obj);
-    expect(filtered).toEqual({
+    expect(filterKebabCaseKeys(obj)).toEqual({
       camelCase: 'value',
       snake_case: 'value',
     });
   });
+
+  it('should filter nested kebab-case keys', () => {
+    const obj = {
+      nested: {
+        'nested-kebab-case': 'value',
+        nestedCamelCase: 'value',
+      },
+    };
+    expect(filterKebabCaseKeys(obj)).toEqual({
+      nested: {
+        nestedCamelCase: 'value',
+      },
+    });
+  });
+
+  it('should keep array values untouched', () => {
+    const obj = {
+      'kebab-case': [],
+      camelCase: ['kebab-case', { 'kebab-case': 'value' }],
+    };
+    expect(filterKebabCaseKeys(obj)).toEqual({
+      camelCase: ['kebab-case', { 'kebab-case': 'value' }],
+    });
+  });
 });