Function cloneSourceShallow

src/data/Source.ts:241–251

(source: Source)

 * Clone source but excludes source data.
 */
export function cloneSourceShallow(source: Source): Source {
    return new SourceImpl({
        data: source.data,
        sourceFormat: source.sourceFormat,

        seriesLayoutBy: source.seriesLayoutBy,
        dimensionsDefine: clone(source.dimensionsDefine),
        startIndex: source.startIndex,
        dimensionsDetectedCount: source.dimensionsDetectedCount
    });
}

/**
 * Note: An empty array will be detected as `SOURCE_FORMAT_ARRAY_ROWS`.