All files / custom-element/helpers findParentProperty.ts

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6x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
export default function findParentAttribute(element: HTMLElement, name: string): string | undefined {
 
    let parent = element;
 
    do {
 
        const value = parent[name];
 
        if (value !== undefined &&
            value !== '') {
 
            return value;
        }
 
        parent = parent.parentElement;
        
    } while (parent != null);
}