From c3e930fb832fc312b3729e7fc076d4c1b90b3e25 Mon Sep 17 00:00:00 2001
From: pcholuj <piotr.choluj@filestack.com>
Date: Tue, 12 Feb 2019 09:21:21 +0100
Subject: [PATCH] fix(filelink): Add check hasOwnProperty to loop

---
 src/lib/filelink.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lib/filelink.ts b/src/lib/filelink.ts
index d39bf4c5..519f6449 100644
--- a/src/lib/filelink.ts
+++ b/src/lib/filelink.ts
@@ -1182,6 +1182,10 @@ export class Filelink {
 
     let toTest = Array.isArray(this.source) ? this.source : [this.source];
     for (let i in toTest) {
+      if (!toTest.hasOwnProperty(i)) {
+        continue;
+      }
+
       if (toTest[i].indexOf('src:') === 0 || toTest[i].indexOf('http') === 0) {
         return true;
       }