mirror of
https://gitea.com/actions/setup-python.git
synced 2024-11-29 21:49:32 +01:00
497 lines
15 KiB
JavaScript
497 lines
15 KiB
JavaScript
'use strict';
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var compileSchema = require('./compile')
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, resolve = require('./compile/resolve')
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, Cache = require('./cache')
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, SchemaObject = require('./compile/schema_obj')
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, stableStringify = require('fast-json-stable-stringify')
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, formats = require('./compile/formats')
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, rules = require('./compile/rules')
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, $dataMetaSchema = require('./data')
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, util = require('./compile/util');
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module.exports = Ajv;
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Ajv.prototype.validate = validate;
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Ajv.prototype.compile = compile;
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Ajv.prototype.addSchema = addSchema;
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Ajv.prototype.addMetaSchema = addMetaSchema;
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Ajv.prototype.validateSchema = validateSchema;
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Ajv.prototype.getSchema = getSchema;
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Ajv.prototype.removeSchema = removeSchema;
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Ajv.prototype.addFormat = addFormat;
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Ajv.prototype.errorsText = errorsText;
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Ajv.prototype._addSchema = _addSchema;
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Ajv.prototype._compile = _compile;
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Ajv.prototype.compileAsync = require('./compile/async');
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var customKeyword = require('./keyword');
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Ajv.prototype.addKeyword = customKeyword.add;
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Ajv.prototype.getKeyword = customKeyword.get;
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Ajv.prototype.removeKeyword = customKeyword.remove;
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Ajv.prototype.validateKeyword = customKeyword.validate;
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var errorClasses = require('./compile/error_classes');
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Ajv.ValidationError = errorClasses.Validation;
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Ajv.MissingRefError = errorClasses.MissingRef;
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Ajv.$dataMetaSchema = $dataMetaSchema;
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var META_SCHEMA_ID = 'http://json-schema.org/draft-07/schema';
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var META_IGNORE_OPTIONS = [ 'removeAdditional', 'useDefaults', 'coerceTypes', 'strictDefaults' ];
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var META_SUPPORT_DATA = ['/properties'];
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/**
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* Creates validator instance.
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* Usage: `Ajv(opts)`
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* @param {Object} opts optional options
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* @return {Object} ajv instance
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*/
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function Ajv(opts) {
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if (!(this instanceof Ajv)) return new Ajv(opts);
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opts = this._opts = util.copy(opts) || {};
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setLogger(this);
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this._schemas = {};
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this._refs = {};
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this._fragments = {};
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this._formats = formats(opts.format);
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this._cache = opts.cache || new Cache;
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this._loadingSchemas = {};
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this._compilations = [];
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this.RULES = rules();
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this._getId = chooseGetId(opts);
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opts.loopRequired = opts.loopRequired || Infinity;
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if (opts.errorDataPath == 'property') opts._errorDataPathProperty = true;
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if (opts.serialize === undefined) opts.serialize = stableStringify;
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this._metaOpts = getMetaSchemaOptions(this);
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if (opts.formats) addInitialFormats(this);
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addDefaultMetaSchema(this);
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if (typeof opts.meta == 'object') this.addMetaSchema(opts.meta);
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if (opts.nullable) this.addKeyword('nullable', {metaSchema: {type: 'boolean'}});
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addInitialSchemas(this);
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}
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/**
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* Validate data using schema
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* 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.
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* @this Ajv
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* @param {String|Object} schemaKeyRef key, ref or schema object
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* @param {Any} data to be validated
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* @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
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*/
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function validate(schemaKeyRef, data) {
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var v;
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if (typeof schemaKeyRef == 'string') {
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v = this.getSchema(schemaKeyRef);
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if (!v) throw new Error('no schema with key or ref "' + schemaKeyRef + '"');
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} else {
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var schemaObj = this._addSchema(schemaKeyRef);
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v = schemaObj.validate || this._compile(schemaObj);
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}
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var valid = v(data);
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if (v.$async !== true) this.errors = v.errors;
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return valid;
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}
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/**
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* Create validating function for passed schema.
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* @this Ajv
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* @param {Object} schema schema object
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* @param {Boolean} _meta true if schema is a meta-schema. Used internally to compile meta schemas of custom keywords.
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* @return {Function} validating function
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*/
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function compile(schema, _meta) {
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var schemaObj = this._addSchema(schema, undefined, _meta);
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return schemaObj.validate || this._compile(schemaObj);
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}
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/**
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* Adds schema to the instance.
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* @this Ajv
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* @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
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* @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`.
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* @param {Boolean} _skipValidation true to skip schema validation. Used internally, option validateSchema should be used instead.
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* @param {Boolean} _meta true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
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* @return {Ajv} this for method chaining
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*/
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function addSchema(schema, key, _skipValidation, _meta) {
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if (Array.isArray(schema)){
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for (var i=0; i<schema.length; i++) this.addSchema(schema[i], undefined, _skipValidation, _meta);
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return this;
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}
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var id = this._getId(schema);
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if (id !== undefined && typeof id != 'string')
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throw new Error('schema id must be string');
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key = resolve.normalizeId(key || id);
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checkUnique(this, key);
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this._schemas[key] = this._addSchema(schema, _skipValidation, _meta, true);
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return this;
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}
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/**
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* Add schema that will be used to validate other schemas
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* options in META_IGNORE_OPTIONS are alway set to false
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* @this Ajv
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* @param {Object} schema schema object
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* @param {String} key optional schema key
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* @param {Boolean} skipValidation true to skip schema validation, can be used to override validateSchema option for meta-schema
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* @return {Ajv} this for method chaining
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*/
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function addMetaSchema(schema, key, skipValidation) {
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this.addSchema(schema, key, skipValidation, true);
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return this;
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}
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/**
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* Validate schema
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* @this Ajv
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* @param {Object} schema schema to validate
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* @param {Boolean} throwOrLogError pass true to throw (or log) an error if invalid
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* @return {Boolean} true if schema is valid
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*/
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function validateSchema(schema, throwOrLogError) {
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var $schema = schema.$schema;
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if ($schema !== undefined && typeof $schema != 'string')
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throw new Error('$schema must be a string');
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$schema = $schema || this._opts.defaultMeta || defaultMeta(this);
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if (!$schema) {
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this.logger.warn('meta-schema not available');
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this.errors = null;
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return true;
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}
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var valid = this.validate($schema, schema);
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if (!valid && throwOrLogError) {
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var message = 'schema is invalid: ' + this.errorsText();
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if (this._opts.validateSchema == 'log') this.logger.error(message);
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else throw new Error(message);
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}
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return valid;
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}
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function defaultMeta(self) {
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var meta = self._opts.meta;
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self._opts.defaultMeta = typeof meta == 'object'
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? self._getId(meta) || meta
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: self.getSchema(META_SCHEMA_ID)
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? META_SCHEMA_ID
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: undefined;
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return self._opts.defaultMeta;
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}
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/**
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* Get compiled schema from the instance by `key` or `ref`.
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* @this Ajv
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* @param {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
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* @return {Function} schema validating function (with property `schema`).
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*/
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function getSchema(keyRef) {
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var schemaObj = _getSchemaObj(this, keyRef);
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switch (typeof schemaObj) {
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case 'object': return schemaObj.validate || this._compile(schemaObj);
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case 'string': return this.getSchema(schemaObj);
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case 'undefined': return _getSchemaFragment(this, keyRef);
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}
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}
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function _getSchemaFragment(self, ref) {
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var res = resolve.schema.call(self, { schema: {} }, ref);
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if (res) {
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var schema = res.schema
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, root = res.root
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, baseId = res.baseId;
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var v = compileSchema.call(self, schema, root, undefined, baseId);
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self._fragments[ref] = new SchemaObject({
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ref: ref,
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fragment: true,
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schema: schema,
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root: root,
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baseId: baseId,
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validate: v
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});
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return v;
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}
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}
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function _getSchemaObj(self, keyRef) {
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keyRef = resolve.normalizeId(keyRef);
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return self._schemas[keyRef] || self._refs[keyRef] || self._fragments[keyRef];
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}
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/**
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* Remove cached schema(s).
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* If no parameter is passed all schemas but meta-schemas are removed.
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* If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
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* Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
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* @this Ajv
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* @param {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
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* @return {Ajv} this for method chaining
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*/
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function removeSchema(schemaKeyRef) {
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if (schemaKeyRef instanceof RegExp) {
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_removeAllSchemas(this, this._schemas, schemaKeyRef);
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_removeAllSchemas(this, this._refs, schemaKeyRef);
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return this;
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}
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switch (typeof schemaKeyRef) {
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case 'undefined':
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_removeAllSchemas(this, this._schemas);
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_removeAllSchemas(this, this._refs);
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this._cache.clear();
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return this;
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case 'string':
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var schemaObj = _getSchemaObj(this, schemaKeyRef);
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if (schemaObj) this._cache.del(schemaObj.cacheKey);
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delete this._schemas[schemaKeyRef];
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delete this._refs[schemaKeyRef];
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return this;
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case 'object':
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var serialize = this._opts.serialize;
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var cacheKey = serialize ? serialize(schemaKeyRef) : schemaKeyRef;
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this._cache.del(cacheKey);
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var id = this._getId(schemaKeyRef);
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if (id) {
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id = resolve.normalizeId(id);
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delete this._schemas[id];
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delete this._refs[id];
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}
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}
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return this;
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}
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function _removeAllSchemas(self, schemas, regex) {
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for (var keyRef in schemas) {
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var schemaObj = schemas[keyRef];
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if (!schemaObj.meta && (!regex || regex.test(keyRef))) {
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self._cache.del(schemaObj.cacheKey);
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delete schemas[keyRef];
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}
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}
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}
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/* @this Ajv */
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function _addSchema(schema, skipValidation, meta, shouldAddSchema) {
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if (typeof schema != 'object' && typeof schema != 'boolean')
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throw new Error('schema should be object or boolean');
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var serialize = this._opts.serialize;
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var cacheKey = serialize ? serialize(schema) : schema;
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var cached = this._cache.get(cacheKey);
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if (cached) return cached;
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shouldAddSchema = shouldAddSchema || this._opts.addUsedSchema !== false;
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var id = resolve.normalizeId(this._getId(schema));
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if (id && shouldAddSchema) checkUnique(this, id);
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var willValidate = this._opts.validateSchema !== false && !skipValidation;
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var recursiveMeta;
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if (willValidate && !(recursiveMeta = id && id == resolve.normalizeId(schema.$schema)))
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this.validateSchema(schema, true);
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var localRefs = resolve.ids.call(this, schema);
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var schemaObj = new SchemaObject({
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id: id,
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schema: schema,
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localRefs: localRefs,
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cacheKey: cacheKey,
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meta: meta
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});
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if (id[0] != '#' && shouldAddSchema) this._refs[id] = schemaObj;
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this._cache.put(cacheKey, schemaObj);
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if (willValidate && recursiveMeta) this.validateSchema(schema, true);
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return schemaObj;
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}
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/* @this Ajv */
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function _compile(schemaObj, root) {
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if (schemaObj.compiling) {
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schemaObj.validate = callValidate;
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callValidate.schema = schemaObj.schema;
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callValidate.errors = null;
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callValidate.root = root ? root : callValidate;
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if (schemaObj.schema.$async === true)
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callValidate.$async = true;
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return callValidate;
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}
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schemaObj.compiling = true;
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var currentOpts;
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if (schemaObj.meta) {
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currentOpts = this._opts;
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this._opts = this._metaOpts;
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}
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var v;
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try { v = compileSchema.call(this, schemaObj.schema, root, schemaObj.localRefs); }
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catch(e) {
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delete schemaObj.validate;
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throw e;
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}
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finally {
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schemaObj.compiling = false;
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if (schemaObj.meta) this._opts = currentOpts;
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}
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schemaObj.validate = v;
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schemaObj.refs = v.refs;
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schemaObj.refVal = v.refVal;
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schemaObj.root = v.root;
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return v;
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/* @this {*} - custom context, see passContext option */
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function callValidate() {
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/* jshint validthis: true */
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var _validate = schemaObj.validate;
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var result = _validate.apply(this, arguments);
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callValidate.errors = _validate.errors;
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return result;
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}
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}
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function chooseGetId(opts) {
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switch (opts.schemaId) {
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case 'auto': return _get$IdOrId;
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case 'id': return _getId;
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default: return _get$Id;
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}
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}
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/* @this Ajv */
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function _getId(schema) {
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if (schema.$id) this.logger.warn('schema $id ignored', schema.$id);
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return schema.id;
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}
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/* @this Ajv */
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function _get$Id(schema) {
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if (schema.id) this.logger.warn('schema id ignored', schema.id);
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return schema.$id;
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}
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function _get$IdOrId(schema) {
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if (schema.$id && schema.id && schema.$id != schema.id)
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throw new Error('schema $id is different from id');
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return schema.$id || schema.id;
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}
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/**
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* Convert array of error message objects to string
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* @this Ajv
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* @param {Array<Object>} errors optional array of validation errors, if not passed errors from the instance are used.
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* @param {Object} options optional options with properties `separator` and `dataVar`.
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* @return {String} human readable string with all errors descriptions
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*/
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function errorsText(errors, options) {
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errors = errors || this.errors;
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if (!errors) return 'No errors';
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options = options || {};
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var separator = options.separator === undefined ? ', ' : options.separator;
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var dataVar = options.dataVar === undefined ? 'data' : options.dataVar;
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var text = '';
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for (var i=0; i<errors.length; i++) {
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var e = errors[i];
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if (e) text += dataVar + e.dataPath + ' ' + e.message + separator;
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}
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return text.slice(0, -separator.length);
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}
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/**
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* Add custom format
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* @this Ajv
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* @param {String} name format name
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* @param {String|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
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* @return {Ajv} this for method chaining
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*/
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function addFormat(name, format) {
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if (typeof format == 'string') format = new RegExp(format);
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this._formats[name] = format;
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return this;
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}
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function addDefaultMetaSchema(self) {
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var $dataSchema;
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if (self._opts.$data) {
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$dataSchema = require('./refs/data.json');
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self.addMetaSchema($dataSchema, $dataSchema.$id, true);
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}
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if (self._opts.meta === false) return;
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var metaSchema = require('./refs/json-schema-draft-07.json');
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if (self._opts.$data) metaSchema = $dataMetaSchema(metaSchema, META_SUPPORT_DATA);
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self.addMetaSchema(metaSchema, META_SCHEMA_ID, true);
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self._refs['http://json-schema.org/schema'] = META_SCHEMA_ID;
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}
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function addInitialSchemas(self) {
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var optsSchemas = self._opts.schemas;
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if (!optsSchemas) return;
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if (Array.isArray(optsSchemas)) self.addSchema(optsSchemas);
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else for (var key in optsSchemas) self.addSchema(optsSchemas[key], key);
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}
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function addInitialFormats(self) {
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for (var name in self._opts.formats) {
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var format = self._opts.formats[name];
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self.addFormat(name, format);
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}
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}
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function checkUnique(self, id) {
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if (self._schemas[id] || self._refs[id])
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throw new Error('schema with key or id "' + id + '" already exists');
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}
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function getMetaSchemaOptions(self) {
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var metaOpts = util.copy(self._opts);
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for (var i=0; i<META_IGNORE_OPTIONS.length; i++)
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delete metaOpts[META_IGNORE_OPTIONS[i]];
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return metaOpts;
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}
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function setLogger(self) {
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var logger = self._opts.logger;
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if (logger === false) {
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self.logger = {log: noop, warn: noop, error: noop};
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} else {
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if (logger === undefined) logger = console;
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if (!(typeof logger == 'object' && logger.log && logger.warn && logger.error))
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throw new Error('logger must implement log, warn and error methods');
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self.logger = logger;
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}
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}
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function noop() {}
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