Function selectQuantitative

docs/tests/v2/es6/js/sanddance.js:153901–153953

(colorBinType, column, legend, clickedIndex)

}

function selectQuantitative(colorBinType, column, legend, clickedIndex) {
  const keys = Object.keys(legend.rows).map(key => +key).sort((a, b) => +a - +b);
  let lowValue;
  let lowOperator;
  let highValue;
  let highOperator;
  const rowText = legend.rows[clickedIndex].label;

  switch (colorBinType) {
    case 'continuous':
      {
        lowValue = rowText;

        if (clickedIndex < keys.length - 1) {
          highValue = legend.rows[clickedIndex + 1].value;
        }

        break;
      }

    default:
      {
        if (rowText.indexOf('null') > 0) {
          const ex = {
            expressions: [(0, _expression.selectNullOrEmpty)(column)]
          };
          return ex;
        }

        const dash = rowText.indexOf('–'); //this is not the common dash character!

        if (dash > 0) {
          //bug in Vega for quantize?
          //lowOperator = '>';
          //highOperator = '<=';
          lowValue = rowText.substr(0, dash);
          highValue = rowText.substr(dash + 1);
        } else {
          if (rowText.indexOf('<') >= 0) {
            highValue = rowText.substring(2);
          } else {
            if (rowText.indexOf('≥') >= 0) {
              lowValue = rowText.substring(2);
            }
          }
        }
      }
  }

  if (lowValue) lowValue = (0, _expression.notNice)(lowValue);
  if (highValue) highValue = (0, _expression.notNice)(highValue);
  return (0, _expression.selectBetween)(column, lowValue, highValue, lowOperator, highOperator);
}

function finalizeLegend(colorBinType, colorColumn, legend, language) {
  const rowTexts = [];