Function enableComponentHighDownFeatures

src/util/states.ts:870–879

(
    el: Element,
    componentModel: ComponentModel,
    componentHighDownName: string
)

 * + focus blur in component
 */
export function enableComponentHighDownFeatures(
    el: Element,
    componentModel: ComponentModel,
    componentHighDownName: string
): void {
    const ecData = getECData(el);
    ecData.componentMainType = componentModel.mainType;
    ecData.componentIndex = componentModel.componentIndex;
    ecData.componentHighDownName = componentHighDownName;
}

/**
 * Support highlight/downplay record on each elements.