@pnp/sp/clientside-pages/funcs.js

import { hOP } from "@pnp/core";
/**
 * Gets the next order value 1 based for the provided collection
 *
 * @param collection Collection of orderable things
 */
export function getNextOrder(collection) {
    return collection.length < 1 ? 1 : (Math.max.apply(null, collection.map(i => i.order)) + 1);
}
/**
 * Normalizes the order value for all the sections, columns, and controls to be 1 based and stepped (1, 2, 3...)
 *
 * @param collection The collection to normalize
 */
export function reindex(collection) {
    for (let i = 0; i < collection.length; i++) {
        collection[i].order = i + 1;
        if (hOP(collection[i], "columns")) {
            reindex(collection[i].columns);
        }
        else if (hOP(collection[i], "controls")) {
            reindex(collection[i].controls);
        }
    }
}
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