// loaders.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
// TODO - these utilities could be moved to the XML parser.
// uncapitalizeKeys could be an XMLLoader option
/**
 * Extracts a value or array and always return an array
 * Useful since XML parses to object instead of array when only a single value is provided
 */
export function convertXMLValueToArray(xmlValue) {
    if (Array.isArray(xmlValue)) {
        return xmlValue;
    }
    if (xmlValue && typeof xmlValue === 'object' && xmlValue['0']) {
        // Error this is an objectified array
    }
    if (xmlValue) {
        return [xmlValue];
    }
    return [];
}
/**
 * Mutates a field in place, converting it to array
 * Useful since XML parses to object instead of array when only a single value is provided
 */
export function convertXMLFieldToArrayInPlace(xml, key) {
    xml[key] = convertXMLValueToArray(xml[key]);
}