/**
 * Flexible `basename` implementation for node and the browser
 * @see https://stackoverflow.com/a/59907288/2228771
 */
export function getBasename(path: string) {
  // make sure the basename is not empty, if string ends with separator
  let end = path.length - 1;
  while (path[end] === '/' || path[end] === '\\') {
    --end;
  }

  // support mixing of Win + Unix path separators
  const i1 = path.lastIndexOf('/', end);
  const i2 = path.lastIndexOf('\\', end);

  let start: number;
  if (i1 === -1) {
    if (i2 === -1) {
      // no separator in the whole thing
      return path;
    }
    start = i2;
  } else if (i2 === -1) {
    start = i1;
  } else {
    start = Math.max(i1, i2);
  }
  return path.substring(start + 1, end + 1);
}