Method _getCategory

src/data/SeriesData.ts:743–750

(dimIdx: number, idx: number)

    }

    private _getCategory(dimIdx: number, idx: number): OrdinalRawValue {
        const ordinal = this._store.get(dimIdx, idx);
        const ordinalMeta = this._store.getOrdinalMeta(dimIdx);
        if (ordinalMeta) {
            return ordinalMeta.categories[ordinal as OrdinalNumber];
        }
        return ordinal;
    }

    /**
     * @return Never null/undefined. `number` will be converted to string. Because: