node_modules/is-valid-glob/index.js - master - eb/Surf

'use strict';

module.exports = function isValidGlob(glob) {
  if (typeof glob === 'string' && glob.length > 0) {
    return true;
  }
  if (Array.isArray(glob)) {
    return glob.length !== 0 && every(glob);
  }
  return false;
};

function every(arr) {
  var len = arr.length;
  while (len--) {
    if (typeof arr[len] !== 'string' || arr[len].length <= 0) {
      return false;
    }
  }
  return true;
}