Function expand

src/common.js:297–326

(list)

//   expand(['file*.js']) = ['file1.js', 'file2.js', ...]
//   (if the files 'file1.js', 'file2.js', etc, exist in the current dir)
function expand(list) {
  if (!Array.isArray(list)) {
    throw new TypeError('must be an array');
  }
  var expanded = [];
  list.forEach(function (listEl) {
    // Don't expand non-strings
    if (typeof listEl !== 'string') {
      expanded.push(listEl);
    } else {
      var ret;
      var globOpts = globOptions();
      try {
        ret = glob.sync(listEl, globOpts);
      } catch (e) {
        // if glob fails, interpret the string literally
        ret = [listEl];
      }
      // if nothing matched, interpret the string literally
      ret = ret.length > 0 ? ret.sort() : [listEl];
      if (globOpts.nodir) {
        ret = ret.filter(function (file) {
          return !statNoFollowLinks(file).isDirectory();
        });
      }
      expanded = expanded.concat(ret);
    }
  });
  return expanded;
}
exports.expand = expand;

// Normalizes Buffer creation, using Buffer.alloc if possible.