text: 'use strict';
  module.exports = function generate_patternRequired(it, $keyword) {
    var out = ' ';
    var $lvl = it.level;
    var $dataLvl = it.dataLevel;
    var $schema = it.schema[$keyword];
    var $schemaPath = it.schemaPath + '.' + $keyword;
    var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
    var $breakOnError = !it.opts.allErrors;
    var $errorKeyword;
    var $data = 'data' + ($dataLvl || '');
    var $valid = 'valid' + $lvl;
    var $key = 'key' + $lvl,
      $matched = 'patternMatched' + $lvl,
      $closingBraces = '';
    out += 'var ' + ($valid) + ' = true;';
    var arr1 = $schema;
    if (arr1) {
      var $pProperty, i1 = -1,
        l1 = arr1.length - 1;
      while (i1 < l1) {
        $pProperty = arr1[i1 += 1];
        out += ' var ' + ($matched) + ' = false; for (var ' + ($key) + ' in ' + ($data) + ') { ' + ($matched) + ' = ' + (it.usePattern($pProperty)) + '.test(' + ($key) + '); if (' + ($matched) + ') break; } ';
        var $missingPattern = it.util.escapeQuotes($pProperty);
        out += ' if (!' + ($matched) + ') { ' + ($valid) + ' = false;  var err =   '; /* istanbul ignore else */
        if (it.createErrors !== false) {
          out += ' { keyword: \'' + ($errorKeyword || 'patternRequired') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: "' + ($errSchemaPath) + '" , params: { missingPattern: \'' + ($missingPattern) + '\' } ';
          if (it.opts.messages !== false) {
            out += ' , message: \'should have property matching pattern \\\'' + ($missingPattern) + '\\\'\' ';
          }
          if (it.opts.verbose) {
            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
          }
          out += ' } ';
        } else {
          out += ' {} ';
        }
        out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; }   ';
        if ($breakOnError) {
          $closingBraces += '}';
          out += ' else { ';
        }
      }
    }
    out += '' + ($closingBraces);
    return out;
  }
  