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Horizontally scrollable code blocks (#5001)

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* Remove attributed string backed codeblock background color

* Add code block support to attributed string componentization

* Render code blocks within their own custom horizontal scroll view within the timeline

* Update preview test snapshots

* Introduce a attributed string component type instead of a 2 different booleans.
This commit is contained in:
Stefan Ceriu
2026-01-26 12:39:55 +02:00
committed by GitHub
parent bb801d0be1
commit cf79cb9b01
9 changed files with 75 additions and 36 deletions
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ElementX/Sources/Other/Extensions/AttributedString.swift
+20 -5
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@@ -15,8 +15,12 @@ extension AttributedString {
}
var formattedComponents: [AttributedStringBuilderComponent] {
runs[\.blockquote].map { value, range in
var attributedString = AttributedString(self[range])
var components = [AttributedStringBuilderComponent]()
for run in runs[\.blockquote, \.codeBlock] {
let isBlockquote = run.0 != nil
let isCodeBlock = run.1 != nil
var attributedString = AttributedString(self[run.2])
// Remove trailing new lines if any
if attributedString.characters.last?.isNewline ?? false,
@@ -24,10 +28,21 @@ extension AttributedString {
attributedString.removeSubrange(range)
}
let isBlockquote = value != nil
return AttributedStringBuilderComponent(id: String(attributedString.characters), attributedString: attributedString, isBlockquote: isBlockquote)
let componentType: AttributedStringBuilderComponent.ComponentType = switch (isBlockquote, isCodeBlock) {
case (true, _):
.blockquote
case (false, true):
.codeBlock
case (false, false):
.plainText
}
components.append(AttributedStringBuilderComponent(id: String(attributedString.characters),
attributedString: attributedString,
type: componentType))
}
return components
}
/// Replaces the specified placeholder with a string that links to the specified URL.