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  1. 'use strict';
  2. module.exports = function generate_validate(it, $keyword, $ruleType) {
  3. var out = '';
  4. var $async = it.schema.$async === true,
  5. $refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref'),
  6. $id = it.self._getId(it.schema);
  7. if (it.opts.strictKeywords) {
  8. var $unknownKwd = it.util.schemaUnknownRules(it.schema, it.RULES.keywords);
  9. if ($unknownKwd) {
  10. var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
  11. if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);
  12. else throw new Error($keywordsMsg);
  13. }
  14. }
  15. if (it.isTop) {
  16. out += ' var validate = ';
  17. if ($async) {
  18. it.async = true;
  19. out += 'async ';
  20. }
  21. out += 'function(data, dataPath, parentData, parentDataProperty, rootData) { \'use strict\'; ';
  22. if ($id && (it.opts.sourceCode || it.opts.processCode)) {
  23. out += ' ' + ('/\*# sourceURL=' + $id + ' */') + ' ';
  24. }
  25. }
  26. if (typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref)) {
  27. var $keyword = 'false schema';
  28. var $lvl = it.level;
  29. var $dataLvl = it.dataLevel;
  30. var $schema = it.schema[$keyword];
  31. var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
  32. var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
  33. var $breakOnError = !it.opts.allErrors;
  34. var $errorKeyword;
  35. var $data = 'data' + ($dataLvl || '');
  36. var $valid = 'valid' + $lvl;
  37. if (it.schema === false) {
  38. if (it.isTop) {
  39. $breakOnError = true;
  40. } else {
  41. out += ' var ' + ($valid) + ' = false; ';
  42. }
  43. var $$outStack = $$outStack || [];
  44. $$outStack.push(out);
  45. out = ''; /* istanbul ignore else */
  46. if (it.createErrors !== false) {
  47. out += ' { keyword: \'' + ($errorKeyword || 'false schema') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
  48. if (it.opts.messages !== false) {
  49. out += ' , message: \'boolean schema is false\' ';
  50. }
  51. if (it.opts.verbose) {
  52. out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
  53. }
  54. out += ' } ';
  55. } else {
  56. out += ' {} ';
  57. }
  58. var __err = out;
  59. out = $$outStack.pop();
  60. if (!it.compositeRule && $breakOnError) {
  61. /* istanbul ignore if */
  62. if (it.async) {
  63. out += ' throw new ValidationError([' + (__err) + ']); ';
  64. } else {
  65. out += ' validate.errors = [' + (__err) + ']; return false; ';
  66. }
  67. } else {
  68. out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
  69. }
  70. } else {
  71. if (it.isTop) {
  72. if ($async) {
  73. out += ' return data; ';
  74. } else {
  75. out += ' validate.errors = null; return true; ';
  76. }
  77. } else {
  78. out += ' var ' + ($valid) + ' = true; ';
  79. }
  80. }
  81. if (it.isTop) {
  82. out += ' }; return validate; ';
  83. }
  84. return out;
  85. }
  86. if (it.isTop) {
  87. var $top = it.isTop,
  88. $lvl = it.level = 0,
  89. $dataLvl = it.dataLevel = 0,
  90. $data = 'data';
  91. it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
  92. it.baseId = it.baseId || it.rootId;
  93. delete it.isTop;
  94. it.dataPathArr = [""];
  95. if (it.schema.default !== undefined && it.opts.useDefaults && it.opts.strictDefaults) {
  96. var $defaultMsg = 'default is ignored in the schema root';
  97. if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
  98. else throw new Error($defaultMsg);
  99. }
  100. out += ' var vErrors = null; ';
  101. out += ' var errors = 0; ';
  102. out += ' if (rootData === undefined) rootData = data; ';
  103. } else {
  104. var $lvl = it.level,
  105. $dataLvl = it.dataLevel,
  106. $data = 'data' + ($dataLvl || '');
  107. if ($id) it.baseId = it.resolve.url(it.baseId, $id);
  108. if ($async && !it.async) throw new Error('async schema in sync schema');
  109. out += ' var errs_' + ($lvl) + ' = errors;';
  110. }
  111. var $valid = 'valid' + $lvl,
  112. $breakOnError = !it.opts.allErrors,
  113. $closingBraces1 = '',
  114. $closingBraces2 = '';
  115. var $errorKeyword;
  116. var $typeSchema = it.schema.type,
  117. $typeIsArray = Array.isArray($typeSchema);
  118. if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
  119. if ($typeIsArray) {
  120. if ($typeSchema.indexOf('null') == -1) $typeSchema = $typeSchema.concat('null');
  121. } else if ($typeSchema != 'null') {
  122. $typeSchema = [$typeSchema, 'null'];
  123. $typeIsArray = true;
  124. }
  125. }
  126. if ($typeIsArray && $typeSchema.length == 1) {
  127. $typeSchema = $typeSchema[0];
  128. $typeIsArray = false;
  129. }
  130. if (it.schema.$ref && $refKeywords) {
  131. if (it.opts.extendRefs == 'fail') {
  132. throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '" (see option extendRefs)');
  133. } else if (it.opts.extendRefs !== true) {
  134. $refKeywords = false;
  135. it.logger.warn('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
  136. }
  137. }
  138. if (it.schema.$comment && it.opts.$comment) {
  139. out += ' ' + (it.RULES.all.$comment.code(it, '$comment'));
  140. }
  141. if ($typeSchema) {
  142. if (it.opts.coerceTypes) {
  143. var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema);
  144. }
  145. var $rulesGroup = it.RULES.types[$typeSchema];
  146. if ($coerceToTypes || $typeIsArray || $rulesGroup === true || ($rulesGroup && !$shouldUseGroup($rulesGroup))) {
  147. var $schemaPath = it.schemaPath + '.type',
  148. $errSchemaPath = it.errSchemaPath + '/type';
  149. var $schemaPath = it.schemaPath + '.type',
  150. $errSchemaPath = it.errSchemaPath + '/type',
  151. $method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
  152. out += ' if (' + (it.util[$method]($typeSchema, $data, it.opts.strictNumbers, true)) + ') { ';
  153. if ($coerceToTypes) {
  154. var $dataType = 'dataType' + $lvl,
  155. $coerced = 'coerced' + $lvl;
  156. out += ' var ' + ($dataType) + ' = typeof ' + ($data) + '; var ' + ($coerced) + ' = undefined; ';
  157. if (it.opts.coerceTypes == 'array') {
  158. out += ' if (' + ($dataType) + ' == \'object\' && Array.isArray(' + ($data) + ') && ' + ($data) + '.length == 1) { ' + ($data) + ' = ' + ($data) + '[0]; ' + ($dataType) + ' = typeof ' + ($data) + '; if (' + (it.util.checkDataType(it.schema.type, $data, it.opts.strictNumbers)) + ') ' + ($coerced) + ' = ' + ($data) + '; } ';
  159. }
  160. out += ' if (' + ($coerced) + ' !== undefined) ; ';
  161. var arr1 = $coerceToTypes;
  162. if (arr1) {
  163. var $type, $i = -1,
  164. l1 = arr1.length - 1;
  165. while ($i < l1) {
  166. $type = arr1[$i += 1];
  167. if ($type == 'string') {
  168. out += ' else if (' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\') ' + ($coerced) + ' = \'\' + ' + ($data) + '; else if (' + ($data) + ' === null) ' + ($coerced) + ' = \'\'; ';
  169. } else if ($type == 'number' || $type == 'integer') {
  170. out += ' else if (' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' === null || (' + ($dataType) + ' == \'string\' && ' + ($data) + ' && ' + ($data) + ' == +' + ($data) + ' ';
  171. if ($type == 'integer') {
  172. out += ' && !(' + ($data) + ' % 1)';
  173. }
  174. out += ')) ' + ($coerced) + ' = +' + ($data) + '; ';
  175. } else if ($type == 'boolean') {
  176. out += ' else if (' + ($data) + ' === \'false\' || ' + ($data) + ' === 0 || ' + ($data) + ' === null) ' + ($coerced) + ' = false; else if (' + ($data) + ' === \'true\' || ' + ($data) + ' === 1) ' + ($coerced) + ' = true; ';
  177. } else if ($type == 'null') {
  178. out += ' else if (' + ($data) + ' === \'\' || ' + ($data) + ' === 0 || ' + ($data) + ' === false) ' + ($coerced) + ' = null; ';
  179. } else if (it.opts.coerceTypes == 'array' && $type == 'array') {
  180. out += ' else if (' + ($dataType) + ' == \'string\' || ' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' == null) ' + ($coerced) + ' = [' + ($data) + ']; ';
  181. }
  182. }
  183. }
  184. out += ' else { ';
  185. var $$outStack = $$outStack || [];
  186. $$outStack.push(out);
  187. out = ''; /* istanbul ignore else */
  188. if (it.createErrors !== false) {
  189. out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
  190. if ($typeIsArray) {
  191. out += '' + ($typeSchema.join(","));
  192. } else {
  193. out += '' + ($typeSchema);
  194. }
  195. out += '\' } ';
  196. if (it.opts.messages !== false) {
  197. out += ' , message: \'should be ';
  198. if ($typeIsArray) {
  199. out += '' + ($typeSchema.join(","));
  200. } else {
  201. out += '' + ($typeSchema);
  202. }
  203. out += '\' ';
  204. }
  205. if (it.opts.verbose) {
  206. out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
  207. }
  208. out += ' } ';
  209. } else {
  210. out += ' {} ';
  211. }
  212. var __err = out;
  213. out = $$outStack.pop();
  214. if (!it.compositeRule && $breakOnError) {
  215. /* istanbul ignore if */
  216. if (it.async) {
  217. out += ' throw new ValidationError([' + (__err) + ']); ';
  218. } else {
  219. out += ' validate.errors = [' + (__err) + ']; return false; ';
  220. }
  221. } else {
  222. out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
  223. }
  224. out += ' } if (' + ($coerced) + ' !== undefined) { ';
  225. var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
  226. $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
  227. out += ' ' + ($data) + ' = ' + ($coerced) + '; ';
  228. if (!$dataLvl) {
  229. out += 'if (' + ($parentData) + ' !== undefined)';
  230. }
  231. out += ' ' + ($parentData) + '[' + ($parentDataProperty) + '] = ' + ($coerced) + '; } ';
  232. } else {
  233. var $$outStack = $$outStack || [];
  234. $$outStack.push(out);
  235. out = ''; /* istanbul ignore else */
  236. if (it.createErrors !== false) {
  237. out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
  238. if ($typeIsArray) {
  239. out += '' + ($typeSchema.join(","));
  240. } else {
  241. out += '' + ($typeSchema);
  242. }
  243. out += '\' } ';
  244. if (it.opts.messages !== false) {
  245. out += ' , message: \'should be ';
  246. if ($typeIsArray) {
  247. out += '' + ($typeSchema.join(","));
  248. } else {
  249. out += '' + ($typeSchema);
  250. }
  251. out += '\' ';
  252. }
  253. if (it.opts.verbose) {
  254. out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
  255. }
  256. out += ' } ';
  257. } else {
  258. out += ' {} ';
  259. }
  260. var __err = out;
  261. out = $$outStack.pop();
  262. if (!it.compositeRule && $breakOnError) {
  263. /* istanbul ignore if */
  264. if (it.async) {
  265. out += ' throw new ValidationError([' + (__err) + ']); ';
  266. } else {
  267. out += ' validate.errors = [' + (__err) + ']; return false; ';
  268. }
  269. } else {
  270. out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
  271. }
  272. }
  273. out += ' } ';
  274. }
  275. }
  276. if (it.schema.$ref && !$refKeywords) {
  277. out += ' ' + (it.RULES.all.$ref.code(it, '$ref')) + ' ';
  278. if ($breakOnError) {
  279. out += ' } if (errors === ';
  280. if ($top) {
  281. out += '0';
  282. } else {
  283. out += 'errs_' + ($lvl);
  284. }
  285. out += ') { ';
  286. $closingBraces2 += '}';
  287. }
  288. } else {
  289. var arr2 = it.RULES;
  290. if (arr2) {
  291. var $rulesGroup, i2 = -1,
  292. l2 = arr2.length - 1;
  293. while (i2 < l2) {
  294. $rulesGroup = arr2[i2 += 1];
  295. if ($shouldUseGroup($rulesGroup)) {
  296. if ($rulesGroup.type) {
  297. out += ' if (' + (it.util.checkDataType($rulesGroup.type, $data, it.opts.strictNumbers)) + ') { ';
  298. }
  299. if (it.opts.useDefaults) {
  300. if ($rulesGroup.type == 'object' && it.schema.properties) {
  301. var $schema = it.schema.properties,
  302. $schemaKeys = Object.keys($schema);
  303. var arr3 = $schemaKeys;
  304. if (arr3) {
  305. var $propertyKey, i3 = -1,
  306. l3 = arr3.length - 1;
  307. while (i3 < l3) {
  308. $propertyKey = arr3[i3 += 1];
  309. var $sch = $schema[$propertyKey];
  310. if ($sch.default !== undefined) {
  311. var $passData = $data + it.util.getProperty($propertyKey);
  312. if (it.compositeRule) {
  313. if (it.opts.strictDefaults) {
  314. var $defaultMsg = 'default is ignored for: ' + $passData;
  315. if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
  316. else throw new Error($defaultMsg);
  317. }
  318. } else {
  319. out += ' if (' + ($passData) + ' === undefined ';
  320. if (it.opts.useDefaults == 'empty') {
  321. out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
  322. }
  323. out += ' ) ' + ($passData) + ' = ';
  324. if (it.opts.useDefaults == 'shared') {
  325. out += ' ' + (it.useDefault($sch.default)) + ' ';
  326. } else {
  327. out += ' ' + (JSON.stringify($sch.default)) + ' ';
  328. }
  329. out += '; ';
  330. }
  331. }
  332. }
  333. }
  334. } else if ($rulesGroup.type == 'array' && Array.isArray(it.schema.items)) {
  335. var arr4 = it.schema.items;
  336. if (arr4) {
  337. var $sch, $i = -1,
  338. l4 = arr4.length - 1;
  339. while ($i < l4) {
  340. $sch = arr4[$i += 1];
  341. if ($sch.default !== undefined) {
  342. var $passData = $data + '[' + $i + ']';
  343. if (it.compositeRule) {
  344. if (it.opts.strictDefaults) {
  345. var $defaultMsg = 'default is ignored for: ' + $passData;
  346. if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
  347. else throw new Error($defaultMsg);
  348. }
  349. } else {
  350. out += ' if (' + ($passData) + ' === undefined ';
  351. if (it.opts.useDefaults == 'empty') {
  352. out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
  353. }
  354. out += ' ) ' + ($passData) + ' = ';
  355. if (it.opts.useDefaults == 'shared') {
  356. out += ' ' + (it.useDefault($sch.default)) + ' ';
  357. } else {
  358. out += ' ' + (JSON.stringify($sch.default)) + ' ';
  359. }
  360. out += '; ';
  361. }
  362. }
  363. }
  364. }
  365. }
  366. }
  367. var arr5 = $rulesGroup.rules;
  368. if (arr5) {
  369. var $rule, i5 = -1,
  370. l5 = arr5.length - 1;
  371. while (i5 < l5) {
  372. $rule = arr5[i5 += 1];
  373. if ($shouldUseRule($rule)) {
  374. var $code = $rule.code(it, $rule.keyword, $rulesGroup.type);
  375. if ($code) {
  376. out += ' ' + ($code) + ' ';
  377. if ($breakOnError) {
  378. $closingBraces1 += '}';
  379. }
  380. }
  381. }
  382. }
  383. }
  384. if ($breakOnError) {
  385. out += ' ' + ($closingBraces1) + ' ';
  386. $closingBraces1 = '';
  387. }
  388. if ($rulesGroup.type) {
  389. out += ' } ';
  390. if ($typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes) {
  391. out += ' else { ';
  392. var $schemaPath = it.schemaPath + '.type',
  393. $errSchemaPath = it.errSchemaPath + '/type';
  394. var $$outStack = $$outStack || [];
  395. $$outStack.push(out);
  396. out = ''; /* istanbul ignore else */
  397. if (it.createErrors !== false) {
  398. out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
  399. if ($typeIsArray) {
  400. out += '' + ($typeSchema.join(","));
  401. } else {
  402. out += '' + ($typeSchema);
  403. }
  404. out += '\' } ';
  405. if (it.opts.messages !== false) {
  406. out += ' , message: \'should be ';
  407. if ($typeIsArray) {
  408. out += '' + ($typeSchema.join(","));
  409. } else {
  410. out += '' + ($typeSchema);
  411. }
  412. out += '\' ';
  413. }
  414. if (it.opts.verbose) {
  415. out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
  416. }
  417. out += ' } ';
  418. } else {
  419. out += ' {} ';
  420. }
  421. var __err = out;
  422. out = $$outStack.pop();
  423. if (!it.compositeRule && $breakOnError) {
  424. /* istanbul ignore if */
  425. if (it.async) {
  426. out += ' throw new ValidationError([' + (__err) + ']); ';
  427. } else {
  428. out += ' validate.errors = [' + (__err) + ']; return false; ';
  429. }
  430. } else {
  431. out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
  432. }
  433. out += ' } ';
  434. }
  435. }
  436. if ($breakOnError) {
  437. out += ' if (errors === ';
  438. if ($top) {
  439. out += '0';
  440. } else {
  441. out += 'errs_' + ($lvl);
  442. }
  443. out += ') { ';
  444. $closingBraces2 += '}';
  445. }
  446. }
  447. }
  448. }
  449. }
  450. if ($breakOnError) {
  451. out += ' ' + ($closingBraces2) + ' ';
  452. }
  453. if ($top) {
  454. if ($async) {
  455. out += ' if (errors === 0) return data; ';
  456. out += ' else throw new ValidationError(vErrors); ';
  457. } else {
  458. out += ' validate.errors = vErrors; ';
  459. out += ' return errors === 0; ';
  460. }
  461. out += ' }; return validate;';
  462. } else {
  463. out += ' var ' + ($valid) + ' = errors === errs_' + ($lvl) + ';';
  464. }
  465. function $shouldUseGroup($rulesGroup) {
  466. var rules = $rulesGroup.rules;
  467. for (var i = 0; i < rules.length; i++)
  468. if ($shouldUseRule(rules[i])) return true;
  469. }
  470. function $shouldUseRule($rule) {
  471. return it.schema[$rule.keyword] !== undefined || ($rule.implements && $ruleImplementsSomeKeyword($rule));
  472. }
  473. function $ruleImplementsSomeKeyword($rule) {
  474. var impl = $rule.implements;
  475. for (var i = 0; i < impl.length; i++)
  476. if (it.schema[impl[i]] !== undefined) return true;
  477. }
  478. return out;
  479. }