Function trim

src/js/core/Util.js:269–274

(str)

 * an empty string.
 */
export function trim(str) {
    if (str && typeof(str.replace) == 'function') {
        return str.replace(/^\s+|\s+$/g, '');
    }
    return "";
}

export function maxDepth(ary) {
    // given a sorted array of 2-tuples of numbers, count how many "deep" the items are.