Allow object validation

Author: garrypas

src/index.js

@@ -7,7 +7,9 @@ const cleanKey = (str) => {
   return parts[parts.length - 1];
 }
 
-const flattenObject = (obj, prefix = '') => {
+/* template is because we don't want to flatten the data object if we're validating an object, otherwise we'll
+dig into the object to find the values to validate */
+const flattenObject = (obj, prefix = '', template = []) => {
   if (!obj) {
     return {};
   }
@@ -16,7 +18,9 @@ const flattenObject = (obj, prefix = '') => {
       typeof value === 'object' && !Array.isArray(value)
         ? {
           ...flattened,
-          ...flattenObject(value, `${prefix}${key}.`)
+          ...(template.includes(`${prefix}${key}`)
+            ? { [`${prefix}${key}`]: value }
+            : flattenObject(value, `${prefix}${key}.`)),
         }
         : Object.assign(flattened, { [`${prefix}${key}`]: value }),
     {}
@@ -104,9 +108,8 @@ class Validator {
   }
 
   async validate (data, rules) {
-    const flatData = flattenObject(data);
     const flatRules = flattenObject(rules);
-
+    const flatData = flattenObject(data, undefined, Object.keys(flatRules));
     const validationResults = await Promise.all(
       Object.keys(flatRules).flatMap(
         async (key) => {

src/index.test.js

@@ -179,7 +179,19 @@ describe('integration tests', () => {
     expect(result.errorCount).toBe(2);
   });
 
-  test('should validate objects', async () => {
+
+  test('should validate objects when valid', async () => {
+    const data = {
+      field1: {},
+    };
+    const rules = {
+      field1: 'required',
+    }
+    const result = await validator.validate(data, rules);
+    expect(result.errors.field1).toHaveLength(0);
+  });
+
+  test('should validate objects when invalid', async () => {
     const data = {
       field1: null,
     };