@scania/tegel/dist/collection/utils/getNestedChildOfSiblingsMatching.js

Tegel Design System

// A higher-order function to find the nested child of siblings matching a predicate,
import dfs from "./dfs";
// based on a sibling traversal function (getNextSibling or getPreviousSibling).
function getNestedChildOfSiblingsMatching(element, searchPredicate, siblingTraversalFn) {
    // Start with the sibling of the provided element.
    let sibling = siblingTraversalFn(element);
    // Iterate through the siblings until there are no more siblings.
    while (sibling) {
        // Use the dfs helper function to find the deeply nested child
        // that matches the given criteria within the current sibling.
        const nestedChild = dfs(sibling, searchPredicate);
        // If a matching deeply nested child is found, return it.
        if (nestedChild) {
            return nestedChild;
        }
        // Move on to the next sibling.
        sibling = siblingTraversalFn(sibling);
    }
    // If no matching deeply nested child is found, return null.
    return null;
}
export default getNestedChildOfSiblingsMatching;