From a786497ce0255e1ca2dcdcab46030786c1b9e98e Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Thu, 11 Sep 2025 06:18:36 +0000
Subject: fix(markdown): Optimise Markdown conversion

---
 src/ast/container.rs    | 12 ++++--------
 src/convert/html.rs     | 16 +++++++---------
 src/convert/markdown.rs | 15 ++++-----------
 3 files changed, 15 insertions(+), 28 deletions(-)

diff --git a/src/ast/container.rs b/src/ast/container.rs
index 46c548b..fe4f949 100644
--- a/src/ast/container.rs
+++ b/src/ast/container.rs
@@ -199,18 +199,14 @@ impl Ast {
           // If the Gemtext line starts with an "=" ("=>"), it is a link line,
           // so splitting it up should be easy enough.
           let line = line.get(2..).unwrap_or("");
-          let mut split = line
-            .split_whitespace()
-            .map(String::from)
-            .collect::<Vec<String>>()
-            .into_iter();
+          let mut split = line.split_whitespace();
 
           nodes.push(Node::Link {
-            to:   split.next().unwrap_or_default(),
+            to:   split.next().unwrap_or_default().to_string(),
             text: {
-              let rest = split.collect::<Vec<String>>().join(" ");
+              let rest: Vec<&str> = split.collect();
 
-              if rest.is_empty() { None } else { Some(rest) }
+              if rest.is_empty() { None } else { Some(rest.join(" ")) }
             },
           });
 
diff --git a/src/convert/html.rs b/src/convert/html.rs
index bfba6e7..1927c86 100644
--- a/src/convert/html.rs
+++ b/src/convert/html.rs
@@ -50,15 +50,13 @@ pub fn convert(source: &[Node]) -> String {
         );
       }
       Node::List(items) => {
-        let _ = write!(
-          &mut html,
-          "<ul>{}</ul>",
-          items
-            .iter()
-            .map(|i| format!("<li>{i}</li>"))
-            .collect::<Vec<String>>()
-            .join("\n")
-        );
+        let _ = write!(&mut html, "<ul>");
+
+        for item in items {
+          let _ = write!(&mut html, "<li>{item}</li>");
+        }
+
+        let _ = write!(&mut html, "</ul>");
       }
       Node::Blockquote(text) => {
         let _ = write!(&mut html, "<blockquote>{text}</blockquote>");
diff --git a/src/convert/markdown.rs b/src/convert/markdown.rs
index 27306a7..0dac611 100644
--- a/src/convert/markdown.rs
+++ b/src/convert/markdown.rs
@@ -45,17 +45,10 @@ pub fn convert(source: &[Node]) -> String {
           text
         );
       }
-      Node::List(items) => {
-        let _ = writeln!(
-          &mut markdown,
-          "{}",
-          items
-            .iter()
-            .map(|i| format!("- {i}"))
-            .collect::<Vec<String>>()
-            .join("\n"),
-        );
-      }
+      Node::List(items) =>
+        for item in items {
+          let _ = writeln!(&mut markdown, "- {item}");
+        },
       Node::Blockquote(text) => {
         let _ = writeln!(&mut markdown, "> {text}");
       }
-- 
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