refactor: improve object flatten function

Author: shilohooo

src/utils/flat.ts

@@ -10,37 +10,43 @@ export function flattenObject(obj: any, prefix: string = ''): Record<string, any
   const flattened: Record<string, any> = {}
 
   for (const key in obj) {
-    if (Object.prototype.hasOwnProperty.call(obj, key)) {
-      const value = obj[key]
-      const newKey = prefix ? `${prefix}.${key}` : key
+    if (!Object.prototype.hasOwnProperty.call(obj, key)) {
+      continue
+    }
 
-      if (value && typeof value === 'object' && !Array.isArray(value)) {
-        // Handle nested objects
-        Object.assign(flattened, flattenObject(value, newKey))
-      } else if (Array.isArray(value)) {
-        // Handle arrays
-        const isPrimitiveArray = value.every(
-          (item: any) => typeof item !== 'object' || item === null
-        )
+    const value = obj[key]
+    const newKey = prefix ? `${prefix}.${key}` : key
 
-        if (isPrimitiveArray) {
-          // Handle primitive arrays as single value
-          flattened[newKey] = value
-        } else {
-          // Handle arrays containing objects
-          value.forEach((item: any, index: number) => {
-            if (item && typeof item === 'object' && !Array.isArray(item)) {
-              Object.assign(flattened, flattenObject(item, `${newKey}[${index}]`))
-            } else {
-              flattened[`${newKey}[${index}]`] = item
-            }
-          })
-        }
-      } else {
-        // Handle primitive values
+    if (value && typeof value === 'object' && !Array.isArray(value)) {
+      // Handle nested objects
+      Object.assign(flattened, flattenObject(value, newKey))
+      continue
+    }
+
+    if (Array.isArray(value)) {
+      // Handle arrays
+      const isPrimitiveArray = value.every(
+        (item: any) => typeof item !== 'object' || item === null
+      )
+
+      if (isPrimitiveArray) {
+        // Handle primitive arrays as single value
         flattened[newKey] = value
+      } else {
+        // Handle arrays containing objects
+        value.forEach((item: any, index: number) => {
+          if (item && typeof item === 'object' && !Array.isArray(item)) {
+            Object.assign(flattened, flattenObject(item, `${newKey}[${index}]`))
+          } else {
+            flattened[`${newKey}[${index}]`] = item
+          }
+        })
       }
+      continue
     }
+
+    // Handle primitive values
+    flattened[newKey] = value
   }
 
   return flattened