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495 lines
20 KiB
JavaScript

6 years ago
'use strict';
module.exports = function generate_validate(it, $keyword, $ruleType) {
var out = '';
var $async = it.schema.$async === true,
$refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref'),
$id = it.self._getId(it.schema);
if (it.opts.strictKeywords) {
var $unknownKwd = it.util.schemaUnknownRules(it.schema, it.RULES.keywords);
if ($unknownKwd) {
var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);
else throw new Error($keywordsMsg);
}
}
if (it.isTop) {
out += ' var validate = ';
if ($async) {
it.async = true;
out += 'async ';
}
out += 'function(data, dataPath, parentData, parentDataProperty, rootData) { \'use strict\'; ';
if ($id && (it.opts.sourceCode || it.opts.processCode)) {
out += ' ' + ('/\*# sourceURL=' + $id + ' */') + ' ';
}
}
if (typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref)) {
var $keyword = 'false schema';
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 $errorKeyword;
var $data = 'data' + ($dataLvl || '');
var $valid = 'valid' + $lvl;
if (it.schema === false) {
if (it.isTop) {
$breakOnError = true;
} else {
out += ' var ' + ($valid) + ' = false; ';
}
var $$outStack = $$outStack || [];
$$outStack.push(out);
out = ''; /* istanbul ignore else */
if (it.createErrors !== false) {
out += ' { keyword: \'' + ($errorKeyword || 'false schema') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
if (it.opts.messages !== false) {
out += ' , message: \'boolean schema is false\' ';
}
if (it.opts.verbose) {
out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
}
out += ' } ';
} else {
out += ' {} ';
}
var __err = out;
out = $$outStack.pop();
if (!it.compositeRule && $breakOnError) {
/* istanbul ignore if */
if (it.async) {
out += ' throw new ValidationError([' + (__err) + ']); ';
} else {
out += ' validate.errors = [' + (__err) + ']; return false; ';
}
} else {
out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
}
} else {
if (it.isTop) {
if ($async) {
out += ' return data; ';
} else {
out += ' validate.errors = null; return true; ';
}
} else {
out += ' var ' + ($valid) + ' = true; ';
}
}
if (it.isTop) {
out += ' }; return validate; ';
}
return out;
}
if (it.isTop) {
var $top = it.isTop,
$lvl = it.level = 0,
$dataLvl = it.dataLevel = 0,
$data = 'data';
it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
it.baseId = it.baseId || it.rootId;
delete it.isTop;
it.dataPathArr = [undefined];
if (it.schema.default !== undefined && it.opts.useDefaults && it.opts.strictDefaults) {
var $defaultMsg = 'default is ignored in the schema root';
if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
else throw new Error($defaultMsg);
}
out += ' var vErrors = null; ';
out += ' var errors = 0; ';
out += ' if (rootData === undefined) rootData = data; ';
} else {
var $lvl = it.level,
$dataLvl = it.dataLevel,
$data = 'data' + ($dataLvl || '');
if ($id) it.baseId = it.resolve.url(it.baseId, $id);
if ($async && !it.async) throw new Error('async schema in sync schema');
out += ' var errs_' + ($lvl) + ' = errors;';
}
var $valid = 'valid' + $lvl,
$breakOnError = !it.opts.allErrors,
$closingBraces1 = '',
$closingBraces2 = '';
var $errorKeyword;
var $typeSchema = it.schema.type,
$typeIsArray = Array.isArray($typeSchema);
if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
if ($typeIsArray) {
if ($typeSchema.indexOf('null') == -1) $typeSchema = $typeSchema.concat('null');
} else if ($typeSchema != 'null') {
$typeSchema = [$typeSchema, 'null'];
$typeIsArray = true;
}
}
if ($typeIsArray && $typeSchema.length == 1) {
$typeSchema = $typeSchema[0];
$typeIsArray = false;
}
if (it.schema.$ref && $refKeywords) {
if (it.opts.extendRefs == 'fail') {
throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '" (see option extendRefs)');
} else if (it.opts.extendRefs !== true) {
$refKeywords = false;
it.logger.warn('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
}
}
if (it.schema.$comment && it.opts.$comment) {
out += ' ' + (it.RULES.all.$comment.code(it, '$comment'));
}
if ($typeSchema) {
if (it.opts.coerceTypes) {
var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema);
}
var $rulesGroup = it.RULES.types[$typeSchema];
if ($coerceToTypes || $typeIsArray || $rulesGroup === true || ($rulesGroup && !$shouldUseGroup($rulesGroup))) {
var $schemaPath = it.schemaPath + '.type',
$errSchemaPath = it.errSchemaPath + '/type';
var $schemaPath = it.schemaPath + '.type',
$errSchemaPath = it.errSchemaPath + '/type',
$method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
out += ' if (' + (it.util[$method]($typeSchema, $data, true)) + ') { ';
if ($coerceToTypes) {
var $dataType = 'dataType' + $lvl,
$coerced = 'coerced' + $lvl;
out += ' var ' + ($dataType) + ' = typeof ' + ($data) + '; ';
if (it.opts.coerceTypes == 'array') {
out += ' if (' + ($dataType) + ' == \'object\' && Array.isArray(' + ($data) + ')) ' + ($dataType) + ' = \'array\'; ';
}
out += ' var ' + ($coerced) + ' = undefined; ';
var $bracesCoercion = '';
var arr1 = $coerceToTypes;
if (arr1) {
var $type, $i = -1,
l1 = arr1.length - 1;
while ($i < l1) {
$type = arr1[$i += 1];
if ($i) {
out += ' if (' + ($coerced) + ' === undefined) { ';
$bracesCoercion += '}';
}
if (it.opts.coerceTypes == 'array' && $type != 'array') {
out += ' if (' + ($dataType) + ' == \'array\' && ' + ($data) + '.length == 1) { ' + ($coerced) + ' = ' + ($data) + ' = ' + ($data) + '[0]; ' + ($dataType) + ' = typeof ' + ($data) + '; } ';
}
if ($type == 'string') {
out += ' if (' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\') ' + ($coerced) + ' = \'\' + ' + ($data) + '; else if (' + ($data) + ' === null) ' + ($coerced) + ' = \'\'; ';
} else if ($type == 'number' || $type == 'integer') {
out += ' if (' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' === null || (' + ($dataType) + ' == \'string\' && ' + ($data) + ' && ' + ($data) + ' == +' + ($data) + ' ';
if ($type == 'integer') {
out += ' && !(' + ($data) + ' % 1)';
}
out += ')) ' + ($coerced) + ' = +' + ($data) + '; ';
} else if ($type == 'boolean') {
out += ' if (' + ($data) + ' === \'false\' || ' + ($data) + ' === 0 || ' + ($data) + ' === null) ' + ($coerced) + ' = false; else if (' + ($data) + ' === \'true\' || ' + ($data) + ' === 1) ' + ($coerced) + ' = true; ';
} else if ($type == 'null') {
out += ' if (' + ($data) + ' === \'\' || ' + ($data) + ' === 0 || ' + ($data) + ' === false) ' + ($coerced) + ' = null; ';
} else if (it.opts.coerceTypes == 'array' && $type == 'array') {
out += ' if (' + ($dataType) + ' == \'string\' || ' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' == null) ' + ($coerced) + ' = [' + ($data) + ']; ';
}
}
}
out += ' ' + ($bracesCoercion) + ' if (' + ($coerced) + ' === undefined) { ';
var $$outStack = $$outStack || [];
$$outStack.push(out);
out = ''; /* istanbul ignore else */
if (it.createErrors !== false) {
out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
if ($typeIsArray) {
out += '' + ($typeSchema.join(","));
} else {
out += '' + ($typeSchema);
}
out += '\' } ';
if (it.opts.messages !== false) {
out += ' , message: \'should be ';
if ($typeIsArray) {
out += '' + ($typeSchema.join(","));
} else {
out += '' + ($typeSchema);
}
out += '\' ';
}
if (it.opts.verbose) {
out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
}
out += ' } ';
} else {
out += ' {} ';
}
var __err = out;
out = $$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 += ' } else { ';
var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
$parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
out += ' ' + ($data) + ' = ' + ($coerced) + '; ';
if (!$dataLvl) {
out += 'if (' + ($parentData) + ' !== undefined)';
}
out += ' ' + ($parentData) + '[' + ($parentDataProperty) + '] = ' + ($coerced) + '; } ';
} else {
var $$outStack = $$outStack || [];
$$outStack.push(out);
out = ''; /* istanbul ignore else */
if (it.createErrors !== false) {
out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
if ($typeIsArray) {
out += '' + ($typeSchema.join(","));
} else {
out += '' + ($typeSchema);
}
out += '\' } ';
if (it.opts.messages !== false) {
out += ' , message: \'should be ';
if ($typeIsArray) {
out += '' + ($typeSchema.join(","));
} else {
out += '' + ($typeSchema);
}
out += '\' ';
}
if (it.opts.verbose) {
out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
}
out += ' } ';
} else {
out += ' {} ';
}
var __err = out;
out = $$outStack.pop();
if (!it.compositeRule && $breakOnError) {
/* istanbul ignore if */
if (it.async) {
out += ' throw new ValidationError([' + (__err) + ']); ';
} else {
out += ' validate.errors = [' + (__err) + ']; return false; ';
}
} else {
out += ' var err = ' + (__err) + '; if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
}
}
out += ' } ';
}
}
if (it.schema.$ref && !$refKeywords) {
out += ' ' + (it.RULES.all.$ref.code(it, '$ref')) + ' ';
if ($breakOnError) {
out += ' } if (errors === ';
if ($top) {
out += '0';
} else {
out += 'errs_' + ($lvl);
}
out += ') { ';
$closingBraces2 += '}';
}
} else {
var arr2 = it.RULES;
if (arr2) {
var $rulesGroup, i2 = -1,
l2 = arr2.length - 1;
while (i2 < l2) {
$rulesGroup = arr2[i2 += 1];
if ($shouldUseGroup($rulesGroup)) {
if ($rulesGroup.type) {
out += ' if (' + (it.util.checkDataType($rulesGroup.type, $data)) + ') { ';
}
if (it.opts.useDefaults) {
if ($rulesGroup.type == 'object' && it.schema.properties) {
var $schema = it.schema.properties,
$schemaKeys = Object.keys($schema);
var arr3 = $schemaKeys;
if (arr3) {
var $propertyKey, i3 = -1,
l3 = arr3.length - 1;
while (i3 < l3) {
$propertyKey = arr3[i3 += 1];
var $sch = $schema[$propertyKey];
if ($sch.default !== undefined) {
var $passData = $data + it.util.getProperty($propertyKey);
if (it.compositeRule) {
if (it.opts.strictDefaults) {
var $defaultMsg = 'default is ignored for: ' + $passData;
if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
else throw new Error($defaultMsg);
}
} else {
out += ' if (' + ($passData) + ' === undefined ';
if (it.opts.useDefaults == 'empty') {
out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
}
out += ' ) ' + ($passData) + ' = ';
if (it.opts.useDefaults == 'shared') {
out += ' ' + (it.useDefault($sch.default)) + ' ';
} else {
out += ' ' + (JSON.stringify($sch.default)) + ' ';
}
out += '; ';
}
}
}
}
} else if ($rulesGroup.type == 'array' && Array.isArray(it.schema.items)) {
var arr4 = it.schema.items;
if (arr4) {
var $sch, $i = -1,
l4 = arr4.length - 1;
while ($i < l4) {
$sch = arr4[$i += 1];
if ($sch.default !== undefined) {
var $passData = $data + '[' + $i + ']';
if (it.compositeRule) {
if (it.opts.strictDefaults) {
var $defaultMsg = 'default is ignored for: ' + $passData;
if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
else throw new Error($defaultMsg);
}
} else {
out += ' if (' + ($passData) + ' === undefined ';
if (it.opts.useDefaults == 'empty') {
out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
}
out += ' ) ' + ($passData) + ' = ';
if (it.opts.useDefaults == 'shared') {
out += ' ' + (it.useDefault($sch.default)) + ' ';
} else {
out += ' ' + (JSON.stringify($sch.default)) + ' ';
}
out += '; ';
}
}
}
}
}
}
var arr5 = $rulesGroup.rules;
if (arr5) {
var $rule, i5 = -1,
l5 = arr5.length - 1;
while (i5 < l5) {
$rule = arr5[i5 += 1];
if ($shouldUseRule($rule)) {
var $code = $rule.code(it, $rule.keyword, $rulesGroup.type);
if ($code) {
out += ' ' + ($code) + ' ';
if ($breakOnError) {
$closingBraces1 += '}';
}
}
}
}
}
if ($breakOnError) {
out += ' ' + ($closingBraces1) + ' ';
$closingBraces1 = '';
}
if ($rulesGroup.type) {
out += ' } ';
if ($typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes) {
out += ' else { ';
var $schemaPath = it.schemaPath + '.type',
$errSchemaPath = it.errSchemaPath + '/type';
var $$outStack = $$outStack || [];
$$outStack.push(out);
out = ''; /* istanbul ignore else */
if (it.createErrors !== false) {
out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
if ($typeIsArray) {
out += '' + ($typeSchema.join(","));
} else {
out += '' + ($typeSchema);
}
out += '\' } ';
if (it.opts.messages !== false) {
out += ' , message: \'should be ';
if ($typeIsArray) {
out += '' + ($typeSchema.join(","));
} else {
out += '' + ($typeSchema);
}
out += '\' ';
}
if (it.opts.verbose) {
out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
}
out += ' } ';
} else {
out += ' {} ';
}
var __err = out;
out = $$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 += ' if (errors === ';
if ($top) {
out += '0';
} else {
out += 'errs_' + ($lvl);
}
out += ') { ';
$closingBraces2 += '}';
}
}
}
}
}
if ($breakOnError) {
out += ' ' + ($closingBraces2) + ' ';
}
if ($top) {
if ($async) {
out += ' if (errors === 0) return data; ';
out += ' else throw new ValidationError(vErrors); ';
} else {
out += ' validate.errors = vErrors; ';
out += ' return errors === 0; ';
}
out += ' }; return validate;';
} else {
out += ' var ' + ($valid) + ' = errors === errs_' + ($lvl) + ';';
}
out = it.util.cleanUpCode(out);
if ($top) {
out = it.util.finalCleanUpCode(out, $async);
}
function $shouldUseGroup($rulesGroup) {
var rules = $rulesGroup.rules;
for (var i = 0; i < rules.length; i++)
if ($shouldUseRule(rules[i])) return true;
}
function $shouldUseRule($rule) {
return it.schema[$rule.keyword] !== undefined || ($rule.implements && $ruleImplementsSomeKeyword($rule));
}
function $ruleImplementsSomeKeyword($rule) {
var impl = $rule.implements;
for (var i = 0; i < impl.length; i++)
if (it.schema[impl[i]] !== undefined) return true;
}
return out;
}