Function serializeAsVegaExpression

docs/app/js/sanddance-app.js:4619–4645

(bin, firstFieldName, lastFieldName, clause)

    return `{${nameValues.join()}}`;
}
function serializeAsVegaExpression(bin, firstFieldName, lastFieldName, clause) {
    if (bin.discreteColumn.column.quantitative) {
        const low = [
            `name:${JSON.stringify(bin.discreteColumn.column.name)}`,
            "operator:'>='",
            `value:datum[${JSON.stringify(bin.fields[0])}]`
        ];
        const high = [
            "clause:'&&'",
            `name:${JSON.stringify(bin.discreteColumn.column.name)}`,
            "operator:'<'",
            `value:datum[${JSON.stringify(bin.fields[1])}]`
        ];
        return obj([
            `expressions:[ datum[${JSON.stringify(firstFieldName)}] ? null : ${obj(low)}, datum[${JSON.stringify(lastFieldName)}] ? null : ${obj(high)}]`
        ], clause);
    } else {
        const exact = [
            `name:${JSON.stringify(bin.discreteColumn.column.name)}`,
            "operator:'=='",
            `value:datum[${JSON.stringify(bin.fields[0])}]`
        ];
        return obj([
            `expressions:[${obj(exact)}]`
        ], clause);
    }
}

},{"@parcel/transformer-js/src/esmodule-helpers.js":"jA2du"}],"6Rqt5":[function(require,module,exports) {
var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");