Function getDimCount

src/data/helper/createDimensions.ts:374–395

(
    source: Source,
    sysDims: CoordDimensionDefinitionLoose[],
    dimsDef: DimensionDefinitionLoose[],
    optDimCount?: number
)

// on other dimensions besides coordSys needed.
// So, dims that is not used by system, should be shared in data store?
function getDimCount(
    source: Source,
    sysDims: CoordDimensionDefinitionLoose[],
    dimsDef: DimensionDefinitionLoose[],
    optDimCount?: number
): number {
    // Note that the result dimCount should not small than columns count
    // of data, otherwise `dataDimNameMap` checking will be incorrect.
    let dimCount = Math.max(
        source.dimensionsDetectedCount || 1,
        sysDims.length,
        dimsDef.length,
        optDimCount || 0
    );
    each(sysDims, function (sysDimItem) {
        let sysDimItemDimsDef;
        if (isObject(sysDimItem) && (sysDimItemDimsDef = sysDimItem.dimsDef)) {
            dimCount = Math.max(dimCount, sysDimItemDimsDef.length);
        }
    });
    return dimCount;
}

function genCoordDimName(
    name: DimensionName,