1 files changed, 16 insertions, 0 deletions

diff --git a/lib/src/utils.rs b/lib/src/utils.rs
new file mode 100644
index 0000000..d7cf4c8
--- /dev/null
+++ b/lib/src/utils.rs
@@ -0,0 +1,16 @@
+use rnix::{SyntaxKind, SyntaxNode, TextRange};
+
+pub fn with_preceeding_whitespace(node: &SyntaxNode) -> TextRange {
+    let start = node
+        .prev_sibling_or_token()
+        .map(|t| {
+            if t.kind() == SyntaxKind::TOKEN_WHITESPACE {
+                t.text_range().start()
+            } else {
+                t.text_range().end()
+            }
+        })
+        .unwrap_or(node.text_range().start());
+    let end = node.text_range().end();
+    TextRange::new(start, end)
+}