{{## def.setupKeyword:
  {{
    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 $errs = 'errs__' + $lvl;
  }}
#}}


{{## def.setCompositeRule:
  {{
    var $wasComposite = it.compositeRule;
    it.compositeRule = $it.compositeRule = true;
  }}
#}}


{{## def.resetCompositeRule:
  {{ it.compositeRule = $it.compositeRule = $wasComposite; }}
#}}


{{## def.setupNextLevel:
  {{
    var $it = it.util.copy(it);
    var $closingBraces = '';
    $it.level++;
  }}
#}}


{{## def.ifValid:
  {{? $breakOnError }}
    if ({{=$valid}}) {
    {{ $closingBraces += '}'; }}
  {{?}}
#}}


{{## def.ifResultValid:
  {{? $breakOnError }}
    if (valid{{=$it.level}}) {
    {{ $closingBraces += '}'; }}
  {{?}}
#}}


{{## def.elseIfValid:
  {{? $breakOnError }}
    {{ $closingBraces += '}'; }}
    else {
  {{?}}
#}}


{{## def.nonEmptySchema:_schema:
  it.util.schemaHasRules(_schema, it.RULES.all)
#}}


{{## def.strLength:
  {{? it.opts.unicode === false }}
    {{=$data}}.length
  {{??}}
    ucs2length({{=$data}})
  {{?}}
#}}


{{## def.willOptimize:
  it.util.varOccurences($code, $nextData) < 2
#}}


{{## def.generateSubschemaCode:
  {{
    var $code = it.validate($it);
    $it.baseId = $currentBaseId;
  }}
#}}


{{## def.insertSubschemaCode:
  {{= it.validate($it) }}
  {{ $it.baseId = $currentBaseId; }}
#}}


{{## def._optimizeValidate:
  it.util.varReplace($code, $nextData, $passData)
#}}


{{## def.optimizeValidate:
  {{? {{# def.willOptimize}} }}
    {{= {{# def._optimizeValidate }} }}
  {{??}}
    var {{=$nextData}} = {{=$passData}};
    {{= $code }}
  {{?}}
#}}


{{## def.cleanUp: {{ out = it.util.cleanUpCode(out); }} #}}


{{## def.cleanUpVarErrors: {{ out = it.util.cleanUpVarErrors(out, $async); }} #}}


{{## def.$data:
  {{
    var $isData = it.opts.v5 && $schema && $schema.$data
      , $schemaValue;
  }}
  {{? $isData }}
    var schema{{=$lvl}} = {{= it.util.getData($schema.$data, $dataLvl, it.dataPathArr) }};
    {{ $schemaValue = 'schema' + $lvl; }}
  {{??}}
    {{ $schemaValue = $schema; }}
  {{?}}
#}}


{{## def.$dataNotType:_type:
  {{?$isData}} ({{=$schemaValue}} !== undefined && typeof {{=$schemaValue}} != _type) || {{?}}
#}}


{{## def.check$dataIsArray:
  if (schema{{=$lvl}} === undefined) {{=$valid}} = true;
  else if (!Array.isArray(schema{{=$lvl}})) {{=$valid}} = false;
  else {
#}}


{{## def.beginDefOut:
  {{
    var $$outStack = $$outStack || [];
    $$outStack.push(out);
    out = '';
  }}
#}}


{{## def.storeDefOut:_variable:
  {{
    var _variable = out;
    out = $$outStack.pop();
  }}
#}}


{{## def.dataPath:(dataPath || ''){{? it.errorPath != '""'}} + {{= it.errorPath }}{{?}}#}}


{{## def.passParentData:
  {{? $dataLvl }}
    , data{{= ($dataLvl-1)||'' }}
    , {{= it.dataPathArr[$dataLvl] }}
  {{??}}
    , parentData
    , parentDataProperty
  {{?}}
#}}


{{## def.checkOwnProperty:
  {{? $ownProperties }}
    if (!Object.prototype.hasOwnProperty.call({{=$data}}, {{=$key}})) continue;
  {{?}}
#}}