+++ /dev/null
-'use strict';
-
-var compileSchema = require('./compile')
- , resolve = require('./compile/resolve')
- , Cache = require('./cache')
- , SchemaObject = require('./compile/schema_obj')
- , stableStringify = require('fast-json-stable-stringify')
- , formats = require('./compile/formats')
- , rules = require('./compile/rules')
- , $dataMetaSchema = require('./data')
- , util = require('./compile/util');
-
-module.exports = Ajv;
-
-Ajv.prototype.validate = validate;
-Ajv.prototype.compile = compile;
-Ajv.prototype.addSchema = addSchema;
-Ajv.prototype.addMetaSchema = addMetaSchema;
-Ajv.prototype.validateSchema = validateSchema;
-Ajv.prototype.getSchema = getSchema;
-Ajv.prototype.removeSchema = removeSchema;
-Ajv.prototype.addFormat = addFormat;
-Ajv.prototype.errorsText = errorsText;
-
-Ajv.prototype._addSchema = _addSchema;
-Ajv.prototype._compile = _compile;
-
-Ajv.prototype.compileAsync = require('./compile/async');
-var customKeyword = require('./keyword');
-Ajv.prototype.addKeyword = customKeyword.add;
-Ajv.prototype.getKeyword = customKeyword.get;
-Ajv.prototype.removeKeyword = customKeyword.remove;
-Ajv.prototype.validateKeyword = customKeyword.validate;
-
-var errorClasses = require('./compile/error_classes');
-Ajv.ValidationError = errorClasses.Validation;
-Ajv.MissingRefError = errorClasses.MissingRef;
-Ajv.$dataMetaSchema = $dataMetaSchema;
-
-var META_SCHEMA_ID = 'http://json-schema.org/draft-07/schema';
-
-var META_IGNORE_OPTIONS = [ 'removeAdditional', 'useDefaults', 'coerceTypes', 'strictDefaults' ];
-var META_SUPPORT_DATA = ['/properties'];
-
-/**
- * Creates validator instance.
- * Usage: `Ajv(opts)`
- * @param {Object} opts optional options
- * @return {Object} ajv instance
- */
-function Ajv(opts) {
- if (!(this instanceof Ajv)) return new Ajv(opts);
- opts = this._opts = util.copy(opts) || {};
- setLogger(this);
- this._schemas = {};
- this._refs = {};
- this._fragments = {};
- this._formats = formats(opts.format);
-
- this._cache = opts.cache || new Cache;
- this._loadingSchemas = {};
- this._compilations = [];
- this.RULES = rules();
- this._getId = chooseGetId(opts);
-
- opts.loopRequired = opts.loopRequired || Infinity;
- if (opts.errorDataPath == 'property') opts._errorDataPathProperty = true;
- if (opts.serialize === undefined) opts.serialize = stableStringify;
- this._metaOpts = getMetaSchemaOptions(this);
-
- if (opts.formats) addInitialFormats(this);
- if (opts.keywords) addInitialKeywords(this);
- addDefaultMetaSchema(this);
- if (typeof opts.meta == 'object') this.addMetaSchema(opts.meta);
- if (opts.nullable) this.addKeyword('nullable', {metaSchema: {type: 'boolean'}});
- addInitialSchemas(this);
-}
-
-
-
-/**
- * Validate data using schema
- * Schema will be compiled and cached (using serialized JSON as key. [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used to serialize.
- * @this Ajv
- * @param {String|Object} schemaKeyRef key, ref or schema object
- * @param {Any} data to be validated
- * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
- */
-function validate(schemaKeyRef, data) {
- var v;
- if (typeof schemaKeyRef == 'string') {
- v = this.getSchema(schemaKeyRef);
- if (!v) throw new Error('no schema with key or ref "' + schemaKeyRef + '"');
- } else {
- var schemaObj = this._addSchema(schemaKeyRef);
- v = schemaObj.validate || this._compile(schemaObj);
- }
-
- var valid = v(data);
- if (v.$async !== true) this.errors = v.errors;
- return valid;
-}
-
-
-/**
- * Create validating function for passed schema.
- * @this Ajv
- * @param {Object} schema schema object
- * @param {Boolean} _meta true if schema is a meta-schema. Used internally to compile meta schemas of custom keywords.
- * @return {Function} validating function
- */
-function compile(schema, _meta) {
- var schemaObj = this._addSchema(schema, undefined, _meta);
- return schemaObj.validate || this._compile(schemaObj);
-}
-
-
-/**
- * Adds schema to the instance.
- * @this Ajv
- * @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
- * @param {String} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
- * @param {Boolean} _skipValidation true to skip schema validation. Used internally, option validateSchema should be used instead.
- * @param {Boolean} _meta true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
- * @return {Ajv} this for method chaining
- */
-function addSchema(schema, key, _skipValidation, _meta) {
- if (Array.isArray(schema)){
- for (var i=0; i<schema.length; i++) this.addSchema(schema[i], undefined, _skipValidation, _meta);
- return this;
- }
- var id = this._getId(schema);
- if (id !== undefined && typeof id != 'string')
- throw new Error('schema id must be string');
- key = resolve.normalizeId(key || id);
- checkUnique(this, key);
- this._schemas[key] = this._addSchema(schema, _skipValidation, _meta, true);
- return this;
-}
-
-
-/**
- * Add schema that will be used to validate other schemas
- * options in META_IGNORE_OPTIONS are alway set to false
- * @this Ajv
- * @param {Object} schema schema object
- * @param {String} key optional schema key
- * @param {Boolean} skipValidation true to skip schema validation, can be used to override validateSchema option for meta-schema
- * @return {Ajv} this for method chaining
- */
-function addMetaSchema(schema, key, skipValidation) {
- this.addSchema(schema, key, skipValidation, true);
- return this;
-}
-
-
-/**
- * Validate schema
- * @this Ajv
- * @param {Object} schema schema to validate
- * @param {Boolean} throwOrLogError pass true to throw (or log) an error if invalid
- * @return {Boolean} true if schema is valid
- */
-function validateSchema(schema, throwOrLogError) {
- var $schema = schema.$schema;
- if ($schema !== undefined && typeof $schema != 'string')
- throw new Error('$schema must be a string');
- $schema = $schema || this._opts.defaultMeta || defaultMeta(this);
- if (!$schema) {
- this.logger.warn('meta-schema not available');
- this.errors = null;
- return true;
- }
- var valid = this.validate($schema, schema);
- if (!valid && throwOrLogError) {
- var message = 'schema is invalid: ' + this.errorsText();
- if (this._opts.validateSchema == 'log') this.logger.error(message);
- else throw new Error(message);
- }
- return valid;
-}
-
-
-function defaultMeta(self) {
- var meta = self._opts.meta;
- self._opts.defaultMeta = typeof meta == 'object'
- ? self._getId(meta) || meta
- : self.getSchema(META_SCHEMA_ID)
- ? META_SCHEMA_ID
- : undefined;
- return self._opts.defaultMeta;
-}
-
-
-/**
- * Get compiled schema from the instance by `key` or `ref`.
- * @this Ajv
- * @param {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
- * @return {Function} schema validating function (with property `schema`).
- */
-function getSchema(keyRef) {
- var schemaObj = _getSchemaObj(this, keyRef);
- switch (typeof schemaObj) {
- case 'object': return schemaObj.validate || this._compile(schemaObj);
- case 'string': return this.getSchema(schemaObj);
- case 'undefined': return _getSchemaFragment(this, keyRef);
- }
-}
-
-
-function _getSchemaFragment(self, ref) {
- var res = resolve.schema.call(self, { schema: {} }, ref);
- if (res) {
- var schema = res.schema
- , root = res.root
- , baseId = res.baseId;
- var v = compileSchema.call(self, schema, root, undefined, baseId);
- self._fragments[ref] = new SchemaObject({
- ref: ref,
- fragment: true,
- schema: schema,
- root: root,
- baseId: baseId,
- validate: v
- });
- return v;
- }
-}
-
-
-function _getSchemaObj(self, keyRef) {
- keyRef = resolve.normalizeId(keyRef);
- return self._schemas[keyRef] || self._refs[keyRef] || self._fragments[keyRef];
-}
-
-
-/**
- * Remove cached schema(s).
- * If no parameter is passed all schemas but meta-schemas are removed.
- * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
- * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
- * @this Ajv
- * @param {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
- * @return {Ajv} this for method chaining
- */
-function removeSchema(schemaKeyRef) {
- if (schemaKeyRef instanceof RegExp) {
- _removeAllSchemas(this, this._schemas, schemaKeyRef);
- _removeAllSchemas(this, this._refs, schemaKeyRef);
- return this;
- }
- switch (typeof schemaKeyRef) {
- case 'undefined':
- _removeAllSchemas(this, this._schemas);
- _removeAllSchemas(this, this._refs);
- this._cache.clear();
- return this;
- case 'string':
- var schemaObj = _getSchemaObj(this, schemaKeyRef);
- if (schemaObj) this._cache.del(schemaObj.cacheKey);
- delete this._schemas[schemaKeyRef];
- delete this._refs[schemaKeyRef];
- return this;
- case 'object':
- var serialize = this._opts.serialize;
- var cacheKey = serialize ? serialize(schemaKeyRef) : schemaKeyRef;
- this._cache.del(cacheKey);
- var id = this._getId(schemaKeyRef);
- if (id) {
- id = resolve.normalizeId(id);
- delete this._schemas[id];
- delete this._refs[id];
- }
- }
- return this;
-}
-
-
-function _removeAllSchemas(self, schemas, regex) {
- for (var keyRef in schemas) {
- var schemaObj = schemas[keyRef];
- if (!schemaObj.meta && (!regex || regex.test(keyRef))) {
- self._cache.del(schemaObj.cacheKey);
- delete schemas[keyRef];
- }
- }
-}
-
-
-/* @this Ajv */
-function _addSchema(schema, skipValidation, meta, shouldAddSchema) {
- if (typeof schema != 'object' && typeof schema != 'boolean')
- throw new Error('schema should be object or boolean');
- var serialize = this._opts.serialize;
- var cacheKey = serialize ? serialize(schema) : schema;
- var cached = this._cache.get(cacheKey);
- if (cached) return cached;
-
- shouldAddSchema = shouldAddSchema || this._opts.addUsedSchema !== false;
-
- var id = resolve.normalizeId(this._getId(schema));
- if (id && shouldAddSchema) checkUnique(this, id);
-
- var willValidate = this._opts.validateSchema !== false && !skipValidation;
- var recursiveMeta;
- if (willValidate && !(recursiveMeta = id && id == resolve.normalizeId(schema.$schema)))
- this.validateSchema(schema, true);
-
- var localRefs = resolve.ids.call(this, schema);
-
- var schemaObj = new SchemaObject({
- id: id,
- schema: schema,
- localRefs: localRefs,
- cacheKey: cacheKey,
- meta: meta
- });
-
- if (id[0] != '#' && shouldAddSchema) this._refs[id] = schemaObj;
- this._cache.put(cacheKey, schemaObj);
-
- if (willValidate && recursiveMeta) this.validateSchema(schema, true);
-
- return schemaObj;
-}
-
-
-/* @this Ajv */
-function _compile(schemaObj, root) {
- if (schemaObj.compiling) {
- schemaObj.validate = callValidate;
- callValidate.schema = schemaObj.schema;
- callValidate.errors = null;
- callValidate.root = root ? root : callValidate;
- if (schemaObj.schema.$async === true)
- callValidate.$async = true;
- return callValidate;
- }
- schemaObj.compiling = true;
-
- var currentOpts;
- if (schemaObj.meta) {
- currentOpts = this._opts;
- this._opts = this._metaOpts;
- }
-
- var v;
- try { v = compileSchema.call(this, schemaObj.schema, root, schemaObj.localRefs); }
- catch(e) {
- delete schemaObj.validate;
- throw e;
- }
- finally {
- schemaObj.compiling = false;
- if (schemaObj.meta) this._opts = currentOpts;
- }
-
- schemaObj.validate = v;
- schemaObj.refs = v.refs;
- schemaObj.refVal = v.refVal;
- schemaObj.root = v.root;
- return v;
-
-
- /* @this {*} - custom context, see passContext option */
- function callValidate() {
- /* jshint validthis: true */
- var _validate = schemaObj.validate;
- var result = _validate.apply(this, arguments);
- callValidate.errors = _validate.errors;
- return result;
- }
-}
-
-
-function chooseGetId(opts) {
- switch (opts.schemaId) {
- case 'auto': return _get$IdOrId;
- case 'id': return _getId;
- default: return _get$Id;
- }
-}
-
-/* @this Ajv */
-function _getId(schema) {
- if (schema.$id) this.logger.warn('schema $id ignored', schema.$id);
- return schema.id;
-}
-
-/* @this Ajv */
-function _get$Id(schema) {
- if (schema.id) this.logger.warn('schema id ignored', schema.id);
- return schema.$id;
-}
-
-
-function _get$IdOrId(schema) {
- if (schema.$id && schema.id && schema.$id != schema.id)
- throw new Error('schema $id is different from id');
- return schema.$id || schema.id;
-}
-
-
-/**
- * Convert array of error message objects to string
- * @this Ajv
- * @param {Array<Object>} errors optional array of validation errors, if not passed errors from the instance are used.
- * @param {Object} options optional options with properties `separator` and `dataVar`.
- * @return {String} human readable string with all errors descriptions
- */
-function errorsText(errors, options) {
- errors = errors || this.errors;
- if (!errors) return 'No errors';
- options = options || {};
- var separator = options.separator === undefined ? ', ' : options.separator;
- var dataVar = options.dataVar === undefined ? 'data' : options.dataVar;
-
- var text = '';
- for (var i=0; i<errors.length; i++) {
- var e = errors[i];
- if (e) text += dataVar + e.dataPath + ' ' + e.message + separator;
- }
- return text.slice(0, -separator.length);
-}
-
-
-/**
- * Add custom format
- * @this Ajv
- * @param {String} name format name
- * @param {String|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
- * @return {Ajv} this for method chaining
- */
-function addFormat(name, format) {
- if (typeof format == 'string') format = new RegExp(format);
- this._formats[name] = format;
- return this;
-}
-
-
-function addDefaultMetaSchema(self) {
- var $dataSchema;
- if (self._opts.$data) {
- $dataSchema = require('./refs/data.json');
- self.addMetaSchema($dataSchema, $dataSchema.$id, true);
- }
- if (self._opts.meta === false) return;
- var metaSchema = require('./refs/json-schema-draft-07.json');
- if (self._opts.$data) metaSchema = $dataMetaSchema(metaSchema, META_SUPPORT_DATA);
- self.addMetaSchema(metaSchema, META_SCHEMA_ID, true);
- self._refs['http://json-schema.org/schema'] = META_SCHEMA_ID;
-}
-
-
-function addInitialSchemas(self) {
- var optsSchemas = self._opts.schemas;
- if (!optsSchemas) return;
- if (Array.isArray(optsSchemas)) self.addSchema(optsSchemas);
- else for (var key in optsSchemas) self.addSchema(optsSchemas[key], key);
-}
-
-
-function addInitialFormats(self) {
- for (var name in self._opts.formats) {
- var format = self._opts.formats[name];
- self.addFormat(name, format);
- }
-}
-
-
-function addInitialKeywords(self) {
- for (var name in self._opts.keywords) {
- var keyword = self._opts.keywords[name];
- self.addKeyword(name, keyword);
- }
-}
-
-
-function checkUnique(self, id) {
- if (self._schemas[id] || self._refs[id])
- throw new Error('schema with key or id "' + id + '" already exists');
-}
-
-
-function getMetaSchemaOptions(self) {
- var metaOpts = util.copy(self._opts);
- for (var i=0; i<META_IGNORE_OPTIONS.length; i++)
- delete metaOpts[META_IGNORE_OPTIONS[i]];
- return metaOpts;
-}
-
-
-function setLogger(self) {
- var logger = self._opts.logger;
- if (logger === false) {
- self.logger = {log: noop, warn: noop, error: noop};
- } else {
- if (logger === undefined) logger = console;
- if (!(typeof logger == 'object' && logger.log && logger.warn && logger.error))
- throw new Error('logger must implement log, warn and error methods');
- self.logger = logger;
- }
-}
-
-
-function noop() {}
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