code: function transform(str) {
    str = str.split(/^lazy\(/gm).join('require(');
    var lines = str.split(/\r\n|\n/);
    var len = lines.length;
    var re = regex();
    var idx = 0;
  
    var start = false;
    var isExported = false;
    var namespace;
    var res = '';
  
    while (idx < len) {
      var line = lines[idx++];
      res += '\n';
  
      if (/(?:var fn = require|require = utils)/.test(line)) {
        continue;
      }
      if (/^require = fn/.test(line)) {
        continue;
      }
      // adding this line to catch other variable names than the more specific cases above
      if (/^require = (?:.*)/.test(line)) {
        continue;
      }
  
      var match = re.exec(line);
      if (!match) {
        res += line;
        continue;
      }
  
      if (match && (match[2] === 'lazy-cache' || match[3] === 'lazy-cache')) {
        namespace = toNamespace(match[1]);
        if (/module\.exports/.test(match[1])) {
          isExported = true;
        }
        line = 'var ' + namespace + ' = {};';
        start = true;
        res += line;
        continue;
      }
  
      if (!start) {
        res += line;
        continue;
      }
  
      var variable = toVariable(match);
      var prefix = toProperty(namespace, variable, match[2]);
      line = line.split(match[0]).join(prefix);
      res += line;
    }
  
    if (isExported) {
      res += '\nmodule.exports = ' + namespace + ';';
    }
    return res.replace(/^\s+/, '');
  }
docs: Transform source code containing lazy-cache statements into a requirable file usable with webpack.
  
  @param  {String} `source` Source code.
  @return {String} Transformed source code.