text: 'use strict';
  module.exports = function generate_required(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 $isData = it.opts.v5 && $schema && $schema.$data,
      $schemaValue;
    if ($isData) {
      out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
      $schemaValue = 'schema' + $lvl;
    } else {
      $schemaValue = $schema;
    }
    if (!$isData) {
      if ($schema.length < it.opts.loopRequired && it.schema.properties && Object.keys(it.schema.properties).length) {
        var $required = [];
        var arr1 = $schema;
        if (arr1) {
          var $property, i1 = -1,
            l1 = arr1.length - 1;
          while (i1 < l1) {
            $property = arr1[i1 += 1];
            var $propertySch = it.schema.properties[$property];
            if (!($propertySch && it.util.schemaHasRules($propertySch, it.RULES.all))) {
              $required[$required.length] = $property;
            }
          }
        }
      } else {
        var $required = $schema;
      }
    }
    if ($isData || $required.length) {
      var $currentErrorPath = it.errorPath,
        $loopRequired = $isData || $required.length >= it.opts.loopRequired;
      if ($breakOnError) {
        out += ' var missing' + ($lvl) + '; ';
        if ($loopRequired) {
          if (!$isData) {
            out += ' var schema' + ($lvl) + ' = validate.schema' + ($schemaPath) + '; ';
          }
          var $i = 'i' + $lvl,
            $propertyPath = 'schema' + $lvl + '[' + $i + ']',
            $missingProperty = '\' + ' + $propertyPath + ' + \'';
          if (it.opts._errorDataPathProperty) {
            it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
          }
          out += ' var ' + ($valid) + ' = true; ';
          if ($isData) {
            out += ' if (schema' + ($lvl) + ' === undefined) ' + ($valid) + ' = true; else if (!Array.isArray(schema' + ($lvl) + ')) ' + ($valid) + ' = false; else {';
          }
          out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < schema' + ($lvl) + '.length; ' + ($i) + '++) { ' + ($valid) + ' = ' + ($data) + '[schema' + ($lvl) + '[' + ($i) + ']] !== undefined; if (!' + ($valid) + ') break; } ';
          if ($isData) {
            out += '  }  ';
          }
          out += '  if (!' + ($valid) + ') {   ';
          var $$outStack = $$outStack || [];
          $$outStack.push(out);
          out = ''; /* istanbul ignore else */
          if (it.createErrors !== false) {
            out += ' { keyword: \'' + ($errorKeyword || 'required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: "' + ($errSchemaPath) + '" , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
            if (it.opts.messages !== false) {
              out += ' , message: \'';
              if (it.opts._errorDataPathProperty) {
                out += 'is a required property';
              } else {
                out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
              }
              out += '\' ';
            }
            if (it.opts.verbose) {
              out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
            }
            out += ' } ';
          } else {
            out += ' {} ';
          }
          var __err = out;
          out = $$outStack.pop();
          if (!it.compositeRule && $breakOnError) { /* istanbul ignore if */
            if (it.async) {
              out += ' throw new ValidationError([' + (__err) + ']); ';
            } else {
              out += ' validate.errors = [' + (__err) + ']; return false; ';
            }
          } else {
            out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
          }
          out += ' } else { ';
        } else {
          out += ' if ( ';
          var arr2 = $required;
          if (arr2) {
            var _$property, $i = -1,
              l2 = arr2.length - 1;
            while ($i < l2) {
              _$property = arr2[$i += 1];
              if ($i) {
                out += ' || ';
              }
              var $prop = it.util.getProperty(_$property);
              out += ' ( ' + ($data) + ($prop) + ' === undefined && (missing' + ($lvl) + ' = ' + (it.util.toQuotedString(it.opts.jsonPointers ? _$property : $prop)) + ') ) ';
            }
          }
          out += ') {  ';
          var $propertyPath = 'missing' + $lvl,
            $missingProperty = '\' + ' + $propertyPath + ' + \'';
          if (it.opts._errorDataPathProperty) {
            it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
          }
          var $$outStack = $$outStack || [];
          $$outStack.push(out);
          out = ''; /* istanbul ignore else */
          if (it.createErrors !== false) {
            out += ' { keyword: \'' + ($errorKeyword || 'required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: "' + ($errSchemaPath) + '" , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
            if (it.opts.messages !== false) {
              out += ' , message: \'';
              if (it.opts._errorDataPathProperty) {
                out += 'is a required property';
              } else {
                out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
              }
              out += '\' ';
            }
            if (it.opts.verbose) {
              out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
            }
            out += ' } ';
          } else {
            out += ' {} ';
          }
          var __err = out;
          out = $$outStack.pop();
          if (!it.compositeRule && $breakOnError) { /* istanbul ignore if */
            if (it.async) {
              out += ' throw new ValidationError([' + (__err) + ']); ';
            } else {
              out += ' validate.errors = [' + (__err) + ']; return false; ';
            }
          } else {
            out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
          }
          out += ' } else { ';
        }
      } else {
        if ($loopRequired) {
          if (!$isData) {
            out += ' var schema' + ($lvl) + ' = validate.schema' + ($schemaPath) + '; ';
          }
          var $i = 'i' + $lvl,
            $propertyPath = 'schema' + $lvl + '[' + $i + ']',
            $missingProperty = '\' + ' + $propertyPath + ' + \'';
          if (it.opts._errorDataPathProperty) {
            it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
          }
          if ($isData) {
            out += ' if (schema' + ($lvl) + ' && !Array.isArray(schema' + ($lvl) + ')) {  var err =   '; /* istanbul ignore else */
            if (it.createErrors !== false) {
              out += ' { keyword: \'' + ($errorKeyword || 'required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: "' + ($errSchemaPath) + '" , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
              if (it.opts.messages !== false) {
                out += ' , message: \'';
                if (it.opts._errorDataPathProperty) {
                  out += 'is a required property';
                } else {
                  out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
                }
                out += '\' ';
              }
              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++; } else if (schema' + ($lvl) + ' !== undefined) { ';
          }
          out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < schema' + ($lvl) + '.length; ' + ($i) + '++) { if (' + ($data) + '[schema' + ($lvl) + '[' + ($i) + ']] === undefined) {  var err =   '; /* istanbul ignore else */
          if (it.createErrors !== false) {
            out += ' { keyword: \'' + ($errorKeyword || 'required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: "' + ($errSchemaPath) + '" , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
            if (it.opts.messages !== false) {
              out += ' , message: \'';
              if (it.opts._errorDataPathProperty) {
                out += 'is a required property';
              } else {
                out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
              }
              out += '\' ';
            }
            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 ($isData) {
            out += '  }  ';
          }
        } else {
          var arr3 = $required;
          if (arr3) {
            var $reqProperty, i3 = -1,
              l3 = arr3.length - 1;
            while (i3 < l3) {
              $reqProperty = arr3[i3 += 1];
              var $prop = it.util.getProperty($reqProperty),
                $missingProperty = it.util.escapeQuotes($reqProperty);
              if (it.opts._errorDataPathProperty) {
                it.errorPath = it.util.getPath($currentErrorPath, $reqProperty, it.opts.jsonPointers);
              }
              out += ' if (' + ($data) + ($prop) + ' === undefined) {  var err =   '; /* istanbul ignore else */
              if (it.createErrors !== false) {
                out += ' { keyword: \'' + ($errorKeyword || 'required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: "' + ($errSchemaPath) + '" , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
                if (it.opts.messages !== false) {
                  out += ' , message: \'';
                  if (it.opts._errorDataPathProperty) {
                    out += 'is a required property';
                  } else {
                    out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
                  }
                  out += '\' ';
                }
                if (it.opts.verbose) {
                  out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
                }
                out += ' } ';
              } else {
                out += ' {} ';
              }
              out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
            }
          }
        }
      }
      it.errorPath = $currentErrorPath;
    } else if ($breakOnError) {
      out += ' if (true) {';
    }
    return out;
  }
  