function filterParamsToInitialState()

in src/data-table/column-datetime.tsx [155:214]
57 lines of code
15 McCabe index (conditional complexity)

function filterParamsToInitialState(input) {
  const output = {
    exclude: false,
    comparatorIndex: 0,
    rangeOperator: RANGE_OPERATIONS[0],
    categoricalOperator: CATEGORICAL_OPERATIONS[0],
    // @ts-ignore
    rangeDates: [],
    // @ts-ignore
    years: [],
    // @ts-ignore
    halves: [],
    // @ts-ignore
    quarters: [],
    // @ts-ignore
    months: [],
    // @ts-ignore
    weekdays: [],
  };

  if (input) {
    const op = input.operation;
    if (input.range && input.range.length) {
      if (op === DATETIME_OPERATIONS.RANGE_DATETIME) {
        output.rangeDates = input.range;
        output.rangeOperator = RANGE_OPERATIONS[0];
      } else if (op === DATETIME_OPERATIONS.RANGE_DATE) {
        output.rangeDates = input.range;
        output.rangeOperator = RANGE_OPERATIONS[1];
      } else if (op === DATETIME_OPERATIONS.RANGE_TIME) {
        output.rangeDates = input.range;
        output.rangeOperator = RANGE_OPERATIONS[2];
      }
    } else if (input.selection && input.selection.length) {
      output.comparatorIndex = 1;
      if (op === DATETIME_OPERATIONS.YEAR) {
        output.years = input.selection;
        output.categoricalOperator = CATEGORICAL_OPERATIONS[4];
      } else if (op === DATETIME_OPERATIONS.HALF) {
        output.halves = input.selection;
        output.categoricalOperator = CATEGORICAL_OPERATIONS[3];
      } else if (op === DATETIME_OPERATIONS.QUARTER) {
        output.quarters = input.selection;
        output.categoricalOperator = CATEGORICAL_OPERATIONS[2];
      } else if (op === DATETIME_OPERATIONS.MONTH) {
        output.months = input.selection;
        output.categoricalOperator = CATEGORICAL_OPERATIONS[1];
      } else if (op === DATETIME_OPERATIONS.WEEKDAY) {
        output.weekdays = input.selection;
        output.categoricalOperator = CATEGORICAL_OPERATIONS[0];
      }
    }

    if (input.exclude) {
      output.exclude = input.exclude;
    }
  }

  return output;
}