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'use strict';
module.exports = function generate_pattern(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 $isData = it.opts.$data && $schema && $schema.$data , $schemaValue; if($isData){out+=' var schema'+($lvl)+' = '+( it.util.getData($schema.$data, $dataLvl, it.dataPathArr) )+'; '; $schemaValue = 'schema' + $lvl; }else{ $schemaValue = $schema; } var $regexp = $isData ? '(new RegExp(' + $schemaValue + '))' : it.usePattern($schema);out+='if ( ';if($isData){out+=' ('+($schemaValue)+' !== undefined && typeof '+($schemaValue)+' != \'string\') || ';}out+=' !'+($regexp)+'.test('+($data)+') ) {   '; var $$outStack = $$outStack || []; $$outStack.push(out); out = '';  /* istanbul ignore else */ if(it.createErrors !== false){out+=' { keyword: \''+(  'pattern' )+'\' , dataPath: (dataPath || \'\') + '+( it.errorPath )+' , schemaPath: '+(it.util.toQuotedString($errSchemaPath))+' , params: { pattern:  ';if($isData){out+=''+($schemaValue);}else{out+=''+(it.util.toQuotedString($schema));}out+='  } ';if(it.opts.messages !== false){out+=' , message: \'should match pattern "';if($isData){out+='\' + '+($schemaValue)+' + \'';}else{out+=''+(it.util.escapeQuotes($schema));}out+='"\' ';}if(it.opts.verbose){out+=' , schema:  ';if($isData){out+='validate.schema'+($schemaPath);}else{out+=''+(it.util.toQuotedString($schema));}out+='         , parentSchema: validate.schema'+(it.schemaPath)+' , data: '+($data)+' ';}out+=' } ';}else{out+=' {} ';} var __err = out; out = $$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;
}