Method getGrouping

docs/app/js/sanddance-app.js:4126–4128

()

        this.bin = (0, _bin.binnable)(this.prefix, props.globalScope.data.name, props.groupby);
    }
    getGrouping() {
        return this.bin.fields;
    }
    build() {
        const { bin , names , props  } = this;
        const { globalScope , minBandWidth , orientation , parentScope , showAxes  } = props;