textDeleteSelection function

TextCommandResult textDeleteSelection({
  1. required TextDocument document,
  2. required TextOffsetStateSnapshot state,
})

Implementation

TextCommandResult textDeleteSelection({
  required TextDocument document,
  required TextOffsetStateSnapshot state,
}) {
  final selection = normalizedSelectionRange(
    state.selectionBaseOffset,
    state.selectionExtentOffset,
  );
  if (selection == null || selection.start == selection.end) {
    return _unchangedDocumentCommandResult(document, state);
  }

  final working = document.copy();
  final result = edit_ops.removeDocumentRange(
    working,
    start: selection.start,
    end: selection.end,
  );
  return _documentCommandResult(
    working,
    cursorOffset: result.cursorOffset,
    documentChange: result.change,
    changed: result.changed,
  );
}