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luhn-generator

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A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

76 lines (75 loc) 2.59 kB
'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; }