text: 'use strict'
  module.exports = function generate_format (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 || '')
    if (it.opts.format === false) {
      if ($breakOnError) {
        out += ' if (true) { '
      }
      return out
    }
    var $isData = it.opts.$data && $schema && $schema.$data
  
    var $schemaValue
    if ($isData) {
      out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; '
      $schemaValue = 'schema' + $lvl
    } else {
      $schemaValue = $schema
    }
    var $unknownFormats = it.opts.unknownFormats
  
    var $allowUnknown = Array.isArray($unknownFormats)
    if ($isData) {
      var $format = 'format' + $lvl
  
      var $isObject = 'isObject' + $lvl
  
      var $formatType = 'formatType' + $lvl
      out += ' var ' + ($format) + ' = formats[' + ($schemaValue) + ']; var ' + ($isObject) + ' = typeof ' + ($format) + ' == \'object\' && !(' + ($format) + ' instanceof RegExp) && ' + ($format) + '.validate; var ' + ($formatType) + ' = ' + ($isObject) + ' && ' + ($format) + '.type || \'string\'; if (' + ($isObject) + ') { '
      if (it.async) {
        out += ' var async' + ($lvl) + ' = ' + ($format) + '.async; '
      }
      out += ' ' + ($format) + ' = ' + ($format) + '.validate; } if (  '
      if ($isData) {
        out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'string\') || '
      }
      out += ' ('
      if ($unknownFormats != 'ignore') {
        out += ' (' + ($schemaValue) + ' && !' + ($format) + ' '
        if ($allowUnknown) {
          out += ' && self._opts.unknownFormats.indexOf(' + ($schemaValue) + ') == -1 '
        }
        out += ') || '
      }
      out += ' (' + ($format) + ' && ' + ($formatType) + ' == \'' + ($ruleType) + '\' && !(typeof ' + ($format) + ' == \'function\' ? '
      if (it.async) {
        out += ' (async' + ($lvl) + ' ? await ' + ($format) + '(' + ($data) + ') : ' + ($format) + '(' + ($data) + ')) '
      } else {
        out += ' ' + ($format) + '(' + ($data) + ') '
      }
      out += ' : ' + ($format) + '.test(' + ($data) + '))))) {'
    } else {
      var $format = it.formats[$schema]
      if (!$format) {
        if ($unknownFormats == 'ignore') {
          it.logger.warn('unknown format "' + $schema + '" ignored in schema at path "' + it.errSchemaPath + '"')
          if ($breakOnError) {
            out += ' if (true) { '
          }
          return out
        } else if ($allowUnknown && $unknownFormats.indexOf($schema) >= 0) {
          if ($breakOnError) {
            out += ' if (true) { '
          }
          return out
        } else {
          throw new Error('unknown format "' + $schema + '" is used in schema at path "' + it.errSchemaPath + '"')
        }
      }
      var $isObject = typeof $format === 'object' && !($format instanceof RegExp) && $format.validate
      var $formatType = $isObject && $format.type || 'string'
      if ($isObject) {
        var $async = $format.async === true
        $format = $format.validate
      }
      if ($formatType != $ruleType) {
        if ($breakOnError) {
          out += ' if (true) { '
        }
        return out
      }
      if ($async) {
        if (!it.async) throw new Error('async format in sync schema')
        var $formatRef = 'formats' + it.util.getProperty($schema) + '.validate'
        out += ' if (!(await ' + ($formatRef) + '(' + ($data) + '))) { '
      } else {
        out += ' if (! '
        var $formatRef = 'formats' + it.util.getProperty($schema)
        if ($isObject) $formatRef += '.validate'
        if (typeof $format === 'function') {
          out += ' ' + ($formatRef) + '(' + ($data) + ') '
        } else {
          out += ' ' + ($formatRef) + '.test(' + ($data) + ') '
        }
        out += ') { '
      }
    }
    var $$outStack = $$outStack || []
    $$outStack.push(out)
    out = '' /* istanbul ignore else */
    if (it.createErrors !== false) {
      out += ' { keyword: \'' + ('format') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { format:  '
      if ($isData) {
        out += '' + ($schemaValue)
      } else {
        out += '' + (it.util.toQuotedString($schema))
      }
      out += '  } '
      if (it.opts.messages !== false) {
        out += ' , message: \'should match format "'
        if ($isData) {
          out += '\' + ' + ($schemaValue) + ' + \''
        } else {
          out += '' + (it.util.escapeQuotes($schema))
        }
        out += '"\' '
      }
      if (it.opts.verbose) {
        out += ' , schema:  '
        if ($isData) {
          out += 'validate.schema' + ($schemaPath)
        } else {
          out += '' + (it.util.toQuotedString($schema))
        }
        out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' '
      }
      out += ' } '
    } else {
      out += ' {} '
    }
    var __err = out
    out = $$outStack.pop()
    if (!it.compositeRule && $breakOnError) { /* istanbul ignore if */
      if (it.async) {
        out += ' throw new ValidationError([' + (__err) + ']); '
      } else {
        out += ' validate.errors = [' + (__err) + ']; return false; '
      }
    } else {
      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; '
    }
    out += ' } '
    if ($breakOnError) {
      out += ' else { '
    }
    return out
  }
  