Reorganize library

1 files changed, 30 insertions, 0 deletions

diff --git a/src/library/layout/hide.rs b/src/library/layout/hide.rs
new file mode 100644
index 00000000..861a1208
--- /dev/null
+++ b/src/library/layout/hide.rs
@@ -0,0 +1,30 @@
+use crate::library::prelude::*;
+
+/// Hide a node without affecting layout.
+#[derive(Debug, Hash)]
+pub struct HideNode(pub LayoutNode);
+
+#[class]
+impl HideNode {
+    fn construct(_: &mut Context, args: &mut Args) -> TypResult<Template> {
+        Ok(Template::inline(Self(args.expect("body")?)))
+    }
+}
+
+impl Layout for HideNode {
+    fn layout(
+        &self,
+        ctx: &mut Context,
+        regions: &Regions,
+        styles: StyleChain,
+    ) -> TypResult<Vec<Arc<Frame>>> {
+        let mut frames = self.0.layout(ctx, regions, styles)?;
+
+        // Clear the frames.
+        for frame in &mut frames {
+            *frame = Arc::new(Frame { elements: vec![], ..**frame });
+        }
+
+        Ok(frames)
+    }
+}