/** Used to match wrap detail comments. */
  var reWrapComment = /\{(?:
  \/\* \[wrapped with .+\] \*\/)?
  ?/;
  
  /**
   * Inserts wrapper `details` in a comment at the top of the `source` body.
   *
   * @private
   * @param {string} source The source to modify.
   * @returns {Array} details The details to insert.
   * @returns {string} Returns the modified source.
   */
  function insertWrapDetails(source, details) {
    var length = details.length;
    if (!length) {
      return source;
    }
    var lastIndex = length - 1;
    details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
    details = details.join(length > 2 ? ', ' : ' ');
    return source.replace(reWrapComment, '{
  /* [wrapped with ' + details + '] */
  ');
  }
  
  module.exports = insertWrapDetails;