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104 lines
2.1 KiB
JavaScript

/*!
* Module requirements
*/
'use strict';
const MongooseError = require('./mongooseError');
const getConstructorName = require('../helpers/getConstructorName');
const util = require('util');
const combinePathErrors = require('../helpers/error/combinePathErrors');
class ValidationError extends MongooseError {
/**
* Document Validation Error
*
* @api private
* @param {Document} [instance]
* @inherits MongooseError
*/
constructor(instance) {
let _message;
if (getConstructorName(instance) === 'model') {
_message = instance.constructor.modelName + ' validation failed';
} else {
_message = 'Validation failed';
}
super(_message);
this.errors = {};
this._message = _message;
if (instance) {
instance.$errors = this.errors;
}
}
/**
* Console.log helper
*/
toString() {
return this.name + ': ' + combinePathErrors(this);
}
/**
* inspect helper
* @api private
*/
inspect() {
return Object.assign(new Error(this.message), this);
}
/**
* add message
* @param {String} path
* @param {String|Error} error
* @api private
*/
addError(path, error) {
if (error instanceof ValidationError) {
const { errors } = error;
for (const errorPath of Object.keys(errors)) {
this.addError(`${path}.${errorPath}`, errors[errorPath]);
}
return;
}
this.errors[path] = error;
this.message = this._message + ': ' + combinePathErrors(this);
}
}
if (util.inspect.custom) {
// Avoid Node deprecation warning DEP0079
ValidationError.prototype[util.inspect.custom] = ValidationError.prototype.inspect;
}
/**
* Helper for JSON.stringify
* Ensure `name` and `message` show up in toJSON output re: gh-9847
* @api private
*/
Object.defineProperty(ValidationError.prototype, 'toJSON', {
enumerable: false,
writable: false,
configurable: true,
value: function() {
return Object.assign({}, this, { name: this.name, message: this.message });
}
});
Object.defineProperty(ValidationError.prototype, 'name', {
value: 'ValidationError'
});
/*!
* Module exports
*/
module.exports = ValidationError;