From b8060a7d6e73226257cbac0d6a3cb0f9be528953 Mon Sep 17 00:00:00 2001
From: Sjmarf <78750526+Sjmarf@users.noreply.github.com>
Date: Thu, 4 Jan 2024 21:01:52 +0000
Subject: [PATCH] Fix scroll-up feed lag (#842)

---
 Mlem/Views/Shared/Markdown View.swift | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/Mlem/Views/Shared/Markdown View.swift b/Mlem/Views/Shared/Markdown View.swift
index e860dde80..61cad42a2 100644
--- a/Mlem/Views/Shared/Markdown View.swift	
+++ b/Mlem/Views/Shared/Markdown View.swift	
@@ -220,8 +220,8 @@ struct MarkdownBlock: Identifiable {
 }
 
 struct MarkdownView: View {
-    @State private var text: String
-    @State private var blocks: [MarkdownBlock] = []
+    private let text: String
+    private let blocks: [MarkdownBlock]
     
     private let isNsfw: Bool
     private let replaceImagesWithEmoji: Bool
@@ -235,13 +235,12 @@ struct MarkdownView: View {
         isInline: Bool = false,
         alignment: TextAlignment = .leading
     ) {
-        _text = isInline
-            ? .init(wrappedValue: MarkdownView.prepareInlineMarkdown(text: text))
-            : .init(wrappedValue: text)
+        self.text = isInline ? MarkdownView.prepareInlineMarkdown(text: text) : text
         self.isNsfw = isNsfw
         self.replaceImagesWithEmoji = replaceImagesWithEmoji
         self.isInline = isInline
         self.alignment = alignment
+        self.blocks = MarkdownView.parseMarkdownForImages(text: text)
     }
 
     var body: some View {
@@ -259,9 +258,6 @@ struct MarkdownView: View {
                 }
             }
         }
-        .task {
-            blocks = parseMarkdownForImages(text: text)
-        }
     }
     
     private var theme: Theme {
@@ -275,7 +271,7 @@ struct MarkdownView: View {
             .replacingOccurrences(of: "\\s+", with: " ", options: .regularExpression)
     }
     
-    func parseMarkdownForImages(text: String) -> [MarkdownBlock] {
+    static func parseMarkdownForImages(text: String) -> [MarkdownBlock] {
         // this regex will capture the '![label](url "title") pattern so we can handle it separately
         // piece by piece:
         // !\[(?'label'[^\]]*)\] matches '![label]' and captures 'label' as label