2 module.exports = function generate_validate(it, $keyword, $ruleType) {
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);
10 var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
11 if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);
12 else throw new Error($keywordsMsg);
16 out += ' var validate = ';
21 out += 'function(data, dataPath, parentData, parentDataProperty, rootData) { \'use strict\'; ';
22 if ($id && (it.opts.sourceCode || it.opts.processCode)) {
23 out += ' ' + ('/\*# sourceURL=' + $id + ' */') + ' ';
26 if (typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref)) {
27 var $keyword = 'false schema';
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;
35 var $data = 'data' + ($dataLvl || '');
36 var $valid = 'valid' + $lvl;
37 if (it.schema === false) {
41 out += ' var ' + ($valid) + ' = false; ';
43 var $$outStack = $$outStack || [];
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\' ';
51 if (it.opts.verbose) {
52 out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
59 out = $$outStack.pop();
60 if (!it.compositeRule && $breakOnError) {
61 /* istanbul ignore if */
63 out += ' throw new ValidationError([' + (__err) + ']); ';
65 out += ' validate.errors = [' + (__err) + ']; return false; ';
68 out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
73 out += ' return data; ';
75 out += ' validate.errors = null; return true; ';
78 out += ' var ' + ($valid) + ' = true; ';
82 out += ' }; return validate; ';
89 $dataLvl = it.dataLevel = 0,
91 it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
92 it.baseId = it.baseId || it.rootId;
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);
100 out += ' var vErrors = null; ';
101 out += ' var errors = 0; ';
102 out += ' if (rootData === undefined) rootData = data; ';
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;';
111 var $valid = 'valid' + $lvl,
112 $breakOnError = !it.opts.allErrors,
113 $closingBraces1 = '',
114 $closingBraces2 = '';
116 var $typeSchema = it.schema.type,
117 $typeIsArray = Array.isArray($typeSchema);
118 if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
120 if ($typeSchema.indexOf('null') == -1) $typeSchema = $typeSchema.concat('null');
121 } else if ($typeSchema != 'null') {
122 $typeSchema = [$typeSchema, 'null'];
126 if ($typeIsArray && $typeSchema.length == 1) {
127 $typeSchema = $typeSchema[0];
128 $typeIsArray = false;
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 + '"');
138 if (it.schema.$comment && it.opts.$comment) {
139 out += ' ' + (it.RULES.all.$comment.code(it, '$comment'));
142 if (it.opts.coerceTypes) {
143 var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema);
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) + '; } ';
160 out += ' if (' + ($coerced) + ' !== undefined) ; ';
161 var arr1 = $coerceToTypes;
164 l1 = arr1.length - 1;
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)';
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) + ']; ';
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: \'';
191 out += '' + ($typeSchema.join(","));
193 out += '' + ($typeSchema);
196 if (it.opts.messages !== false) {
197 out += ' , message: \'should be ';
199 out += '' + ($typeSchema.join(","));
201 out += '' + ($typeSchema);
205 if (it.opts.verbose) {
206 out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
213 out = $$outStack.pop();
214 if (!it.compositeRule && $breakOnError) {
215 /* istanbul ignore if */
217 out += ' throw new ValidationError([' + (__err) + ']); ';
219 out += ' validate.errors = [' + (__err) + ']; return false; ';
222 out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
224 out += ' } if (' + ($coerced) + ' !== undefined) { ';
225 var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
226 $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
227 out += ' ' + ($data) + ' = ' + ($coerced) + '; ';
229 out += 'if (' + ($parentData) + ' !== undefined)';
231 out += ' ' + ($parentData) + '[' + ($parentDataProperty) + '] = ' + ($coerced) + '; } ';
233 var $$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: \'';
239 out += '' + ($typeSchema.join(","));
241 out += '' + ($typeSchema);
244 if (it.opts.messages !== false) {
245 out += ' , message: \'should be ';
247 out += '' + ($typeSchema.join(","));
249 out += '' + ($typeSchema);
253 if (it.opts.verbose) {
254 out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
261 out = $$outStack.pop();
262 if (!it.compositeRule && $breakOnError) {
263 /* istanbul ignore if */
265 out += ' throw new ValidationError([' + (__err) + ']); ';
267 out += ' validate.errors = [' + (__err) + ']; return false; ';
270 out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
276 if (it.schema.$ref && !$refKeywords) {
277 out += ' ' + (it.RULES.all.$ref.code(it, '$ref')) + ' ';
279 out += ' } if (errors === ';
283 out += 'errs_' + ($lvl);
286 $closingBraces2 += '}';
291 var $rulesGroup, i2 = -1,
292 l2 = arr2.length - 1;
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)) + ') { ';
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;
305 var $propertyKey, i3 = -1,
306 l3 = arr3.length - 1;
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);
319 out += ' if (' + ($passData) + ' === undefined ';
320 if (it.opts.useDefaults == 'empty') {
321 out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
323 out += ' ) ' + ($passData) + ' = ';
324 if (it.opts.useDefaults == 'shared') {
325 out += ' ' + (it.useDefault($sch.default)) + ' ';
327 out += ' ' + (JSON.stringify($sch.default)) + ' ';
334 } else if ($rulesGroup.type == 'array' && Array.isArray(it.schema.items)) {
335 var arr4 = it.schema.items;
338 l4 = arr4.length - 1;
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);
350 out += ' if (' + ($passData) + ' === undefined ';
351 if (it.opts.useDefaults == 'empty') {
352 out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
354 out += ' ) ' + ($passData) + ' = ';
355 if (it.opts.useDefaults == 'shared') {
356 out += ' ' + (it.useDefault($sch.default)) + ' ';
358 out += ' ' + (JSON.stringify($sch.default)) + ' ';
367 var arr5 = $rulesGroup.rules;
370 l5 = arr5.length - 1;
372 $rule = arr5[i5 += 1];
373 if ($shouldUseRule($rule)) {
374 var $code = $rule.code(it, $rule.keyword, $rulesGroup.type);
376 out += ' ' + ($code) + ' ';
378 $closingBraces1 += '}';
385 out += ' ' + ($closingBraces1) + ' ';
386 $closingBraces1 = '';
388 if ($rulesGroup.type) {
390 if ($typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes) {
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: \'';
400 out += '' + ($typeSchema.join(","));
402 out += '' + ($typeSchema);
405 if (it.opts.messages !== false) {
406 out += ' , message: \'should be ';
408 out += '' + ($typeSchema.join(","));
410 out += '' + ($typeSchema);
414 if (it.opts.verbose) {
415 out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
422 out = $$outStack.pop();
423 if (!it.compositeRule && $breakOnError) {
424 /* istanbul ignore if */
426 out += ' throw new ValidationError([' + (__err) + ']); ';
428 out += ' validate.errors = [' + (__err) + ']; return false; ';
431 out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
437 out += ' if (errors === ';
441 out += 'errs_' + ($lvl);
444 $closingBraces2 += '}';
451 out += ' ' + ($closingBraces2) + ' ';
455 out += ' if (errors === 0) return data; ';
456 out += ' else throw new ValidationError(vErrors); ';
458 out += ' validate.errors = vErrors; ';
459 out += ' return errors === 0; ';
461 out += ' }; return validate;';
463 out += ' var ' + ($valid) + ' = errors === errs_' + ($lvl) + ';';
466 function $shouldUseGroup($rulesGroup) {
467 var rules = $rulesGroup.rules;
468 for (var i = 0; i < rules.length; i++)
469 if ($shouldUseRule(rules[i])) return true;
472 function $shouldUseRule($rule) {
473 return it.schema[$rule.keyword] !== undefined || ($rule.implements && $ruleImplementsSomeKeyword($rule));
476 function $ruleImplementsSomeKeyword($rule) {
477 var impl = $rule.implements;
478 for (var i = 0; i < impl.length; i++)
479 if (it.schema[impl[i]] !== undefined) return true;