text: 'use strict';
  module.exports = function generate_propertyNames(it, $keyword, $ruleType) {
    var out = ' ';
    var $lvl = it.level;
    var $dataLvl = it.dataLevel;
    var $schema = it.schema[$keyword];
    var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
    var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
    var $breakOnError = !it.opts.allErrors;
    var $data = 'data' + ($dataLvl || '');
    var $errs = 'errs__' + $lvl;
    var $it = it.util.copy(it);
    var $closingBraces = '';
    $it.level++;
    var $nextValid = 'valid' + $it.level;
    out += 'var ' + ($errs) + ' = errors;';
    if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
      $it.schema = $schema;
      $it.schemaPath = $schemaPath;
      $it.errSchemaPath = $errSchemaPath;
      var $key = 'key' + $lvl,
        $idx = 'idx' + $lvl,
        $i = 'i' + $lvl,
        $invalidName = '\' + ' + $key + ' + \'',
        $dataNxt = $it.dataLevel = it.dataLevel + 1,
        $nextData = 'data' + $dataNxt,
        $dataProperties = 'dataProperties' + $lvl,
        $ownProperties = it.opts.ownProperties,
        $currentBaseId = it.baseId;
      if ($ownProperties) {
        out += ' var ' + ($dataProperties) + ' = undefined; ';
      }
      if ($ownProperties) {
        out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
      } else {
        out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
      }
      out += ' var startErrs' + ($lvl) + ' = errors; ';
      var $passData = $key;
      var $wasComposite = it.compositeRule;
      it.compositeRule = $it.compositeRule = true;
      var $code = it.validate($it);
      $it.baseId = $currentBaseId;
      if (it.util.varOccurences($code, $nextData) < 2) {
        out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
      } else {
        out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
      }
      it.compositeRule = $it.compositeRule = $wasComposite;
      out += ' if (!' + ($nextValid) + ') { for (var ' + ($i) + '=startErrs' + ($lvl) + '; ' + ($i) + '<errors; ' + ($i) + '++) { vErrors[' + ($i) + '].propertyName = ' + ($key) + '; }   var err =   '; /* istanbul ignore else */
      if (it.createErrors !== false) {
        out += ' { keyword: \'' + ('propertyNames') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { propertyName: \'' + ($invalidName) + '\' } ';
        if (it.opts.messages !== false) {
          out += ' , message: \'property name \\\'' + ($invalidName) + '\\\' is invalid\' ';
        }
        if (it.opts.verbose) {
          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
        }
        out += ' } ';
      } else {
        out += ' {} ';
      }
      out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
      if (!it.compositeRule && $breakOnError) {
        /* istanbul ignore if */
        if (it.async) {
          out += ' throw new ValidationError(vErrors); ';
        } else {
          out += ' validate.errors = vErrors; return false; ';
        }
      }
      if ($breakOnError) {
        out += ' break; ';
      }
      out += ' } }';
    }
    if ($breakOnError) {
      out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
    }
    return out;
  }
  