Function split

src/string.ts:17–28

(str?: string, sep?: string)

 * @param  {String} [sep] default is ','
 */
export function split(str?: string, sep?: string) {
  str = str || '';
  sep = sep || ',';
  const needs: string[] = [];
  for (const item of str.split(sep)) {
    const s = item.trim();
    if (s.length > 0) {
      needs.push(s);
    }
  }
  return needs;
}
// keep compatibility
export const splitAlwaysOptimized = split;