From f3bfae6e14317f3bedb4fa5fc2304ba9e8de2707 Mon Sep 17 00:00:00 2001
From: rowan <rowan@kitsu.cafe>
Date: Thu, 1 May 2025 16:37:08 -0500
Subject: [PATCH] add checks for array enumerators

---
 src/index.ts | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 9896222..dd56ebb 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -311,6 +311,14 @@ export class Enumerator<T> implements IEnumerator<T>, Iterator<T> {
     }
   }
 
+  static isEnumerator<T>(value: object): value is IEnumerator<T> {
+    return hasMethods(['moveNext', 'reset', 'toIterator'], value)
+  }
+
+  static isArrayEnumerator<T>(value: any): value is IArrayEnumerator<T> {
+    return typeof value['setIndex'] === 'function' && this.isEnumerator(value)
+  }
+
   static toIterator<T>(enumerator: IEnumerator<T>): Iterator<T> {
     return new this(enumerator)
   }
@@ -585,7 +593,9 @@ export class Enumerable<T> implements IEnumerable<T>, Iterable<T> {
   static from<T>(value: IEnumerable<T> | IEnumerator<T> | Iterable<T> | Iterator<T>): Enumerable<T> {
     if (this.isEnumerable<T>(value)) {
       return value
-    } else if (this.isEnumerator<T>(value)) {
+    } else if (Enumerator.isArrayEnumerator<T>(value)) {
+      return new ArrayEnumerble(value)
+    } else if (Enumerator.isEnumerator<T>(value)) {
       return new Enumerable(value)
     } else if (isIterable(value)) {
       const enumerator = Enumerator.fromIterable(value)
@@ -608,10 +618,6 @@ export class Enumerable<T> implements IEnumerable<T>, Iterable<T> {
     return typeof value['enumerator'] === 'function'
   }
 
-  static isEnumerator<T>(value: object): value is IEnumerator<T> {
-    return hasMethods(['moveNext', 'reset', 'toIterator'], value)
-  }
-
   [Symbol.iterator](): Iterator<T> {
     return this._enumerator.toIterator()
   }