Fix hang when trying to load invalid image (#113)

Guille Gonzalez · web-flow · commit e0eb1a993a4a · 2022-07-22T18:15:28.000+02:00
diff --git a/Sources/MarkdownUI/Rendering/NSAttributedString+ImageLoading.swift b/Sources/MarkdownUI/Rendering/NSAttributedString+ImageLoading.swift
@@ -31,6 +31,10 @@ extension NSAttributedString {
       }
     }
 
+    guard !imageAttachmentPublishers.isEmpty else {
+      return Just(attributedString).eraseToAnyPublisher()
+    }
+
     return Publishers.MergeMany(imageAttachmentPublishers)
       .collect()
       .map { Dictionary($0, uniquingKeysWith: { _, last in last }) }

Original file line number	Diff line number	Diff line change
`@@ -31,6 +31,10 @@ extension NSAttributedString {`
`31`	`31`	`}`
`32`	`32`	`}`
`33`	`33`
	`34`	`+ guard !imageAttachmentPublishers.isEmpty else {`
	`35`	`+ return Just(attributedString).eraseToAnyPublisher()`
	`36`	`+ }`
	`37`	`+`
`34`	`38`	`return Publishers.MergeMany(imageAttachmentPublishers)`
`35`	`39`	`.collect()`
`36`	`40`	`.map { Dictionary($0, uniquingKeysWith: { _, last in last }) }`