feat: support tag attr update

rustq · Feb 27, 2024 · 67ff72c · 67ff72c
1 parent 80efe5f
commit 67ff72c
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Showing 3 changed files with 14 additions and 2 deletions.
diff --git a/rustle/src/compiler/generate/mod.rs b/rustle/src/compiler/generate/mod.rs
@@ -161,6 +161,17 @@ fn traverse(node: &Fragment, parent: String, analysis: &AnalysisResult, code: &m
                         "{}.{} = {};",
                         parent, attr.name, value
                     ));
+
+                    if analysis.will_change.contains(&value) {
+                        code.update.push(format!(
+                            r#"
+                            if (changed.includes('{}')) {{
+                                {}.{} = {};
+                            }}
+                        "#,
+                            value, parent, attr.name, value
+                        ));
+                    }
                 }
             }
 

diff --git a/rustle/tests/tag_update/app.rustle b/rustle/tests/tag_update/app.rustle
@@ -5,3 +5,4 @@
 
 <button on:click={update_url} />
 <div>{url}</div>
+<div x={url} />
diff --git a/rustle/tests/test_parsing.rs b/rustle/tests/test_parsing.rs
@@ -50,5 +50,5 @@ fn test_parsing_reactive_assignments() { test_parsing("reactive-assignments".to_
 #[test]
 fn test_parsing_nested() { test_parsing("nested".to_owned()) }
 
-// #[test]
-// fn test_tag_update() { test_parsing("tag_update".to_owned()) }
+#[test]
+fn test_tag_update() { test_parsing("tag_update".to_owned()) }