Fix issue #178 [Cannot get property in an array of objects]

src/index.ts

@@ -1019,7 +1019,7 @@ export class BufferedChangeset implements IChangeset {
 
       // 'user.name'
       const normalizedBaseChanges = normalizeObject(baseChanges);
-      if (this.isObject(normalizedBaseChanges)) {
+      if (this.isObject(normalizedBaseChanges) || Array.isArray(normalizedBaseChanges)) {
         const result = this.maybeUnwrapProxy(
           this.getDeep(normalizedBaseChanges, remaining.join('.'))
         );

src/validated.ts

@@ -646,7 +646,7 @@ export class ValidatedChangeset {
 
       // 'user.name'
       const normalizedBaseChanges = normalizeObject(baseChanges);
-      if (this.isObject(normalizedBaseChanges)) {
+      if (this.isObject(normalizedBaseChanges) || Array.isArray(normalizedBaseChanges)) {
         const result = this.maybeUnwrapProxy(
           this.getDeep(normalizedBaseChanges, remaining.join('.'))
         );

test/index.test.ts

@@ -3562,3 +3562,16 @@ describe('Unit | Utility | changeset', () => {
     }
   });
 });
+describe('array of objects', () => {
+  test('changes in nested object are gettable', () => {
+    const changeset = Changeset({ contacts: [] });
+    const contactObject = {
+      name: 'william'
+    };
+
+    changeset.set('contacts', [contactObject]);
+
+    expect(changeset.get('contacts.0')).toStrictEqual(contactObject);
+    expect(changeset.get('contacts.0.name')).toStrictEqual(contactObject.name);
+  });
+});

test/validated.test.ts

@@ -58,6 +58,18 @@ describe('Unit | Utility | validation changeset', () => {
     expect(dummyChangeset.change).toEqual(expectedResult);
   });
 
+  it('#change in array of objects are gettable', () => {
+    const changeset = Changeset({ contacts: [] });
+    const contactObject = {
+      name: 'william'
+    };
+
+    changeset.set('contacts', [contactObject]);
+
+    expect(changeset.get('contacts.0')).toStrictEqual(contactObject);
+    expect(changeset.get('contacts.0.name')).toStrictEqual(contactObject.name);
+  });
+
   it('#change works with arrays', () => {
     const dummyChangeset = Changeset(dummyModel);
     const newArray = [...exampleArray, 'new'];