added tests

improvement

improved

improvement

fixed

ElementX/Sources/Other/Extensions/String.swift

@@ -118,3 +118,22 @@ extension String {
         return UTType(filenameExtension: fileExtension) != nil ? fileExtension : "bin"
     }
 }
+
+extension String {
+    /// To be used if the string is actually a URL
+    var asSanitizedLink: String {
+        var link = self
+        if !link.contains("://") {
+            link.insert(contentsOf: "https://", at: link.startIndex)
+        }
+        
+        // Don't include punctuation characters at the end of links
+        // e.g `https://element.io/blog:` <- which is a valid link but the wrong place
+        while !link.isEmpty,
+              link.rangeOfCharacter(from: .punctuationCharacters, options: .backwards)?.upperBound == link.endIndex {
+            link = String(link.dropLast())
+        }
+        
+        return link
+    }
+}