refactor: refacotr preference

packages/@vben-core/helpers/src/object.test.ts

@@ -0,0 +1,245 @@
+import { describe, expect, it } from 'vitest';
+
+import { flattenObject, toCamelCase, toNestedObject } from './object';
+
+describe('toCamelCase', () => {
+  it('should return the key if parentKey is empty', () => {
+    expect(toCamelCase('child', '')).toBe('child');
+  });
+
+  it('should combine parentKey and key in camel case', () => {
+    expect(toCamelCase('child', 'parent')).toBe('parentChild');
+  });
+
+  it('should handle empty key and parentKey', () => {
+    expect(toCamelCase('', '')).toBe('');
+  });
+
+  it('should handle key with capital letters', () => {
+    expect(toCamelCase('Child', 'parent')).toBe('parentChild');
+    expect(toCamelCase('Child', 'Parent')).toBe('ParentChild');
+  });
+});
+
+describe('flattenObject', () => {
+  it('should flatten a nested object correctly', () => {
+    const nestedObject = {
+      language: 'en',
+      notifications: {
+        email: true,
+        push: {
+          sound: true,
+          vibration: false,
+        },
+      },
+      theme: 'light',
+    };
+
+    const expected = {
+      language: 'en',
+      notificationsEmail: true,
+      notificationsPushSound: true,
+      notificationsPushVibration: false,
+      theme: 'light',
+    };
+
+    const result = flattenObject(nestedObject);
+    expect(result).toEqual(expected);
+  });
+
+  it('should handle empty objects', () => {
+    const nestedObject = {};
+    const expected = {};
+
+    const result = flattenObject(nestedObject);
+    expect(result).toEqual(expected);
+  });
+
+  it('should handle objects with primitive values', () => {
+    const nestedObject = {
+      active: true,
+      age: 30,
+      name: 'Alice',
+    };
+
+    const expected = {
+      active: true,
+      age: 30,
+      name: 'Alice',
+    };
+
+    const result = flattenObject(nestedObject);
+    expect(result).toEqual(expected);
+  });
+
+  it('should handle objects with null values', () => {
+    const nestedObject = {
+      user: {
+        age: null,
+        name: null,
+      },
+    };
+
+    const expected = {
+      userAge: null,
+      userName: null,
+    };
+
+    const result = flattenObject(nestedObject);
+    expect(result).toEqual(expected);
+  });
+
+  it('should handle nested empty objects', () => {
+    const nestedObject = {
+      a: {},
+      b: { c: {} },
+    };
+
+    const expected = {};
+
+    const result = flattenObject(nestedObject);
+    expect(result).toEqual(expected);
+  });
+
+  it('should handle arrays within objects', () => {
+    const nestedObject = {
+      hobbies: ['reading', 'gaming'],
+      name: 'Alice',
+    };
+
+    const expected = {
+      hobbies: ['reading', 'gaming'],
+      name: 'Alice',
+    };
+
+    const result = flattenObject(nestedObject);
+    expect(result).toEqual(expected);
+  });
+  it('should flatten objects with nested arrays correctly', () => {
+    const nestedObject = {
+      person: {
+        hobbies: ['reading', 'gaming'],
+        name: 'Alice',
+      },
+    };
+
+    const expected = {
+      personHobbies: ['reading', 'gaming'],
+      personName: 'Alice',
+    };
+
+    const result = flattenObject(nestedObject);
+    expect(result).toEqual(expected);
+  });
+
+  it('should handle objects with undefined values', () => {
+    const nestedObject = {
+      user: {
+        age: undefined,
+        name: 'Alice',
+      },
+    };
+
+    const expected = {
+      userAge: undefined,
+      userName: 'Alice',
+    };
+
+    const result = flattenObject(nestedObject);
+    expect(result).toEqual(expected);
+  });
+});
+
+describe('toNestedObject', () => {
+  it('should convert flat object to nested object with level 1', () => {
+    const flatObject = {
+      anotherKeyExample: 2,
+      commonAppName: 1,
+      someOtherKey: 3,
+    };
+
+    const expectedNestedObject = {
+      anotherKeyExample: 2,
+      commonAppName: 1,
+      someOtherKey: 3,
+    };
+
+    expect(toNestedObject(flatObject, 1)).toEqual(expectedNestedObject);
+  });
+
+  it('should convert flat object to nested object with level 2', () => {
+    const flatObject = {
+      appAnotherKeyExample: 2,
+      appCommonName: 1,
+      appSomeOtherKey: 3,
+    };
+
+    const expectedNestedObject = {
+      app: {
+        anotherKeyExample: 2,
+        commonName: 1,
+        someOtherKey: 3,
+      },
+    };
+
+    expect(toNestedObject(flatObject, 2)).toEqual(expectedNestedObject);
+  });
+
+  it('should convert flat object to nested object with level 3', () => {
+    const flatObject = {
+      appAnotherKeyExampleValue: 2,
+      appCommonNameKey: 1,
+      appSomeOtherKeyItem: 3,
+    };
+
+    const expectedNestedObject = {
+      app: {
+        another: {
+          keyExampleValue: 2,
+        },
+        common: {
+          nameKey: 1,
+        },
+        some: {
+          otherKeyItem: 3,
+        },
+      },
+    };
+
+    expect(toNestedObject(flatObject, 3)).toEqual(expectedNestedObject);
+  });
+
+  it('should handle empty object', () => {
+    const flatObject = {};
+
+    const expectedNestedObject = {};
+
+    expect(toNestedObject(flatObject, 1)).toEqual(expectedNestedObject);
+  });
+
+  it('should handle single key object', () => {
+    const flatObject = {
+      singleKey: 1,
+    };
+
+    const expectedNestedObject = {
+      singleKey: 1,
+    };
+
+    expect(toNestedObject(flatObject, 1)).toEqual(expectedNestedObject);
+  });
+
+  it('should handle complex keys', () => {
+    const flatObject = {
+      anotherComplexKeyWithParts: 2,
+      complexKeyWithMultipleParts: 1,
+    };
+
+    const expectedNestedObject = {
+      anotherComplexKeyWithParts: 2,
+      complexKeyWithMultipleParts: 1,
+    };
+
+    expect(toNestedObject(flatObject, 1)).toEqual(expectedNestedObject);
+  });
+});