public static getCategoricalColumns()

in src/columns.ts [36:45]

• 10 lines of code
• 14 McCabe index (conditional complexity)

        public static getCategoricalColumns(dataView: DataView): GlobeMapColumns<GlobeMapCategoricalColumns> {
            let categorical = dataView && dataView.categorical;
            let categories = categorical && categorical.categories || [];
            let values = categorical && categorical.values || <DataViewValueColumns>[];
            return categorical && _.mapValues(
                new this<DataViewCategoryColumn & DataViewValueColumn[] & DataViewValueColumns>(),
                (n, i) => categories.filter(x => x.source.roles && x.source.roles[i])[0]
                    || values.source && values.source.roles && values.source.roles[i] && values
                    || values.filter(x => x.source.roles && x.source.roles[i]));
        }