statix / lib / src / utils.rs

use rnix::{SyntaxKind, SyntaxNode, TextRange};

pub fn with_preceeding_whitespace(node: &SyntaxNode) -> TextRange {
    let start = node.prev_sibling_or_token().map_or_else(
        || node.text_range().start(),
        |t| {
            if t.kind() == SyntaxKind::TOKEN_WHITESPACE {
                t.text_range().start()
            } else {
                t.text_range().end()
            }
        },
    );
    let end = node.text_range().end();
    TextRange::new(start, end)
}