vendors/tempy.js/braces
    var braces = (input, options = {}) => {
      let output = [];
      if (Array.isArray(input)) {
        for (let pattern of input) {
          let result = braces.create(pattern, options);
          if (Array.isArray(result)) {
            output.push(...result);
          } else {
            output.push(result);
          }
        }
      } else {
        output = [].concat(braces.create(input, options));
      }
      if (options && options.expand === true && options.nodupes === true) {
        output = [...new Set(output)];
      }
      return output;
    };