Function getOperators

docs/app/js/sanddance-app.js:12913–12930

(ex, column)

    });
}
function getOperators(ex, column) {
    let anySelected = false;
    const validOperators = getValidOperators(column);
    const options = validOperators.map((validoperator)=>{
        const [op, text] = validoperator;
        const selected = ex.operator === op;
        anySelected = anySelected || selected;
        const option = {
            key: op,
            text,
            data: op,
            selected
        };
        return option;
    });
    if (!anySelected) options[0].selected = true;
    return options;
}
function getDistinctValues(data, columnName) {
    const distinctMap = {};
    for(let i = 0; i < data.length; i++){