fix(fmt): libs::offset_to_position (#3447)

Co-authored-by: Julius de Bruijn <julius+github@nauk.io>

prisma-fmt/src/code_actions/relations.rs

@@ -211,8 +211,8 @@ fn create_missing_unique<'a>(
 
         let new_text = format!("{separator}{indentation}@@unique([{fields}]){newline}}}");
 
-        let start = crate::offset_to_position(model.ast_model().span().end - 1, schema).unwrap();
-        let end = crate::offset_to_position(model.ast_model().span().end, schema).unwrap();
+        let start = crate::offset_to_position(model.ast_model().span().end - 1, schema);
+        let end = crate::offset_to_position(model.ast_model().span().end, schema);
 
         let range = Range { start, end };
 

prisma-fmt/src/lib.rs

@@ -168,18 +168,18 @@ pub(crate) fn range_to_span(range: Range, document: &str) -> ast::Span {
 
 /// Gives the LSP position right after the given span.
 pub(crate) fn position_after_span(span: ast::Span, document: &str) -> Position {
-    offset_to_position(span.end - 1, document).unwrap()
+    offset_to_position(span.end - 1, document)
 }
 
 /// Converts a byte offset to an LSP position, if the given offset
 /// does not overflow the document.
-pub(crate) fn offset_to_position(offset: usize, document: &str) -> Option<Position> {
+pub(crate) fn offset_to_position(offset: usize, document: &str) -> Position {
     let mut position = Position::default();
 
     for (i, chr) in document.chars().enumerate() {
         match chr {
             _ if i == offset => {
-                return Some(position);
+                return position;
             }
             '\n' => {
                 position.character = 0;
@@ -191,7 +191,7 @@ pub(crate) fn offset_to_position(offset: usize, document: &str) -> Option<Positi
         }
     }
 
-    None
+    position
 }
 
 #[cfg(test)]