Function applyVisual

src/visual/visualSolution.ts:136–190

(
    stateList: readonly VisualState[],
    visualMappings: VisualMappingCollection<VisualState>,
    data: SeriesData,
    getValueState: (this: Scope, valueOrIndex: ParsedValue | number) => VisualState,
    scope?: Scope,
    dimension?: DimensionLoose
)

 */
// ???! handle brush?
export function applyVisual<VisualState extends string, Scope>(
    stateList: readonly VisualState[],
    visualMappings: VisualMappingCollection<VisualState>,
    data: SeriesData,
    getValueState: (this: Scope, valueOrIndex: ParsedValue | number) => VisualState,
    scope?: Scope,
    dimension?: DimensionLoose
) {
    const visualTypesMap: Partial<Record<VisualState, BuiltinVisualProperty[]>> = {};
    zrUtil.each(stateList, function (state) {
        const visualTypes = VisualMapping.prepareVisualTypes(visualMappings[state]);
        visualTypesMap[state] = visualTypes;
    });

    let dataIndex: number;

    function getVisual(key: string) {
        return getItemVisualFromData(data, dataIndex, key) as string | number;
    }

    function setVisual(key: string, value: any) {
        setItemVisualFromData(data, dataIndex, key, value);
    }

    if (dimension == null) {
        data.each(eachItem);
    }
    else {
        data.each([dimension], eachItem);
    }

    function eachItem(valueOrIndex: ParsedValue | number, index?: number) {
        dataIndex = dimension == null
            ? valueOrIndex as number    // First argument is index
            : index;

        const rawDataItem = data.getRawDataItem(dataIndex);
        // Consider performance
        // @ts-ignore
        if (rawDataItem && rawDataItem.visualMap === false) {
            return;
        }

        const valueState = getValueState.call(scope, valueOrIndex);
        const mappings = visualMappings[valueState];
        const visualTypes = visualTypesMap[valueState];

        for (let i = 0, len = visualTypes.length; i < len; i++) {
            const type = visualTypes[i];
            mappings[type] && mappings[type].applyVisual(
                valueOrIndex, getVisual, setVisual
            );
        }
    }
}

/**
 * @param data