getIsRangeCorrect.ts

const getIsRangeAlreadyCorrect = () => {
      const ranges = gridApi.getCellRanges();
      if (ranges == null || ranges.length !== 1) {
        return false;
      }

      const range = ranges[0]!;
      if (range.columns.length !== 1) {
        return false;
      }
      const column = range.columns[0]!;

      if (range.startRow == null || range.startRow !== range.endRow) {
        return false;
      }

      const isCorrectRange =
        range.startRow.rowIndex === rowIndex &&
        column.getColId() === params.colKey;

      return isCorrectRange;
    };