Method constructor

docs/app/js/sanddance-app.js:3824–3837

(props)

var _selection = require("../selection");
class AggregateContainer extends (0, _layout.Layout) {
    constructor(props){
        super(props);
        this.props = props;
        const a = this.aggregation = this.getAggregation();
        const p = this.prefix = `agg_${this.id}`;
        this.names = {
            barCount: `${p}_count`,
            aggregateField: `${p}_aggregate_value`,
            globalAggregateExtentSignal: `${p}_${a}_extent`,
            scale: `scale_${p}`,
            extentData: `data_${p}_extent`,
            offsets: `data_${p}_offsets`
        };
    }
    getAggregateSumOp() {
        if (this.aggregation === "sum") {
            const fieldOp = {