Method rawIndexOf

src/data/SeriesData.ts:862–874

* Only support the dimension which inverted index created. * Do not support other cases until required. * @param dim concrete dim * @param value ordinal index * @return rawIndex

(dim: SeriesDimensionName, value: OrdinalNumber)

     * @return rawIndex
     */
    rawIndexOf(dim: SeriesDimensionName, value: OrdinalNumber): number {
        const invertedIndices = dim && this._invertedIndicesMap[dim];
        if (__DEV__) {
            if (!invertedIndices) {
                throw new Error('Do not supported yet');
            }
        }
        const rawIndex = invertedIndices && invertedIndices[value];
        if (rawIndex == null || isNaN(rawIndex)) {
            return INDEX_NOT_FOUND;
        }
        return rawIndex;
    }

    /**
     * Data iteration