feat: deep clone mini array

lib/helpers/array.js

@@ -32,17 +32,14 @@ function deepSearch(arr, queries, isSubItem = false) {
     if (Array.isArray(arr[i])) {
       const subArray = deepSearch(arr[i], queries, true)
 
-      if (subArray.length > 0)
-        newArray.push(subArray)
+      if (subArray.length > 0) newArray.push(subArray)
     } else {
       const lowercaseItem = arr[i].toString().trim().toLowerCase()
       const matches = queries.some((query) => lowercaseItem.includes(query))
 
       if (matches) {
-        if (isSubItem)
-          return arr
-        else
-          newArray.push(arr[i])
+        if (isSubItem) return arr
+        else newArray.push(arr[i])
       }
     }
   }
@@ -68,18 +65,17 @@ function deepEquality(arr1, arr2) {
   return true
 }
 
-function getNextIndex(arr, targetArray, nextIndexCallback) {
-  const index = arr.findIndex(subArray => 
-    Array.isArray(subArray) && deepEquality(subArray, targetArray)
-  );
+function getNextArrayItem(arr, targetArray, nextIndexCallback) {
+  const index = arr.findIndex(
+    (subArray) => Array.isArray(subArray) && deepEquality(subArray, targetArray)
+  )
+
+  if (index === -1) return null
 
-  if (index === -1) return null;
-
   const nextIndex = nextIndexCallback(index, arr.length)
   const difference = Math.abs(nextIndex - index)
 
-  if (difference === 0)
-    return arr[index]
+  if (difference === 0) return arr[index]
   else if (nextIndex >= arr.length) {
     return difference === 1 ? arr.first : arr[difference - 1]
   } else if (nextIndex < 0) {
@@ -106,8 +102,25 @@ export class MiniArray extends Array {
     'replaceAt',
   ]
 
-  constructor(...args) {
-    super(...args)
+  static deepConvert = (arr) => {
+    const newArray = new MiniArray()
+
+    for (let i = 0; i < arr.length; i++)
+      if (Array.isArray(arr[i])) newArray.push(MiniArray.deepConvert(arr[i]))
+      else newArray.push(arr[i])
+
+    return newArray
+  }  
+
+  constructor(...arr) {
+    const newArray = []
+
+    for (let i = 0; i < arr.length; i++)
+      if (Array.isArray(arr[i]))
+        newArray.push(MiniArray.deepConvert(arr[i]))
+      else newArray.push(arr[i])
+
+    super(...newArray)
   }
 
   get first() {
@@ -132,23 +145,41 @@ export class MiniArray extends Array {
 
   nextItem(item) {
     if (Array.isArray(item)) {
-      return getNextIndex(this, item, (index) => index + 1)
+      const nextItem = getNextArrayItem(this, item, (index) => index + 1)
+      if (Array.isArray(nextItem)) return new MiniArray(...nextItem)
+      return nextItem
     } else {
       const flatArray = this.deepFlat()
       const nextIndex = flatArray.indexOf(item) + 1
-      if (nextIndex === -1) return flatArray.first
-      return nextIndex >= flatArray.length ? flatArray.first : flatArray.at(nextIndex)
+      let nextItem
+
+      if (nextIndex === -1) nextItem = flatArray.first
+      else
+        nextItem =
+          nextIndex >= flatArray.length
+            ? flatArray.first
+            : flatArray.at(nextIndex)
+
+      if (Array.isArray(nextItem)) return new MiniArray(...nextItem)
+      return nextItem
     }
   }
 
   previousItem(item) {
     if (Array.isArray(item)) {
-      return getNextIndex(this, item, (index) => index - 1)
+      return getNextArrayItem(this, item, (index) => index - 1)
     } else {
       const flatArray = this.deepFlat()
       const previousIndex = flatArray.indexOf(item) - 1
-      if (previousIndex === -1) return flatArray.last
-      return previousIndex < 0 ? flatArray.last : flatArray.at(previousIndex)
+      let previousItem
+
+      if (previousIndex === -1) previousItem = flatArray.last
+      else
+        previousItem =
+          previousIndex < 0 ? flatArray.last : flatArray.at(previousIndex)
+
+      if (Array.isArray(previousItem)) return new MiniArray(...previousItem)
+      return previousItem
     }
   }