verb/lib/utils/condense.js

A project without documentation is like a project that doesn't exist. Verb solves this by making it dead simple to generate docs, using simple markdown templates, with zero configuration required.

const _ = require('lodash');

/**
 * Replace extraneous newlines with a single newline.
 *
 * @title compact
 * @param  {String} str
 *
 * @return {String}
 * @api public
 */

module.exports = function (str, sep) {
  sep = sep || '\n';
  str = (str || '\n\n').replace(/[\r\n?|\n]+/gm, '\n');
  return _.compact(str.split(sep).map(function(line) {
    return line.trim();
  })).join(sep);
};