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113 lines
2.1 KiB
113 lines
2.1 KiB
/*!
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* Module requirements
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*/
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'use strict';
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const MongooseError = require('./mongooseError');
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const getConstructorName = require('../helpers/getConstructorName');
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const util = require('util');
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class ValidationError extends MongooseError {
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/**
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* Document Validation Error
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*
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* @api private
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* @param {Document} [instance]
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* @inherits MongooseError
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*/
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constructor(instance) {
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let _message;
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if (getConstructorName(instance) === 'model') {
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_message = instance.constructor.modelName + ' validation failed';
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} else {
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_message = 'Validation failed';
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}
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super(_message);
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this.errors = {};
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this._message = _message;
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if (instance) {
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instance.errors = this.errors;
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}
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}
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/**
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* Console.log helper
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*/
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toString() {
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return this.name + ': ' + _generateMessage(this);
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}
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/*!
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* inspect helper
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*/
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inspect() {
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return Object.assign(new Error(this.message), this);
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}
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/*!
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* add message
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*/
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addError(path, error) {
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this.errors[path] = error;
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this.message = this._message + ': ' + _generateMessage(this);
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}
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}
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if (util.inspect.custom) {
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/*!
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* Avoid Node deprecation warning DEP0079
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*/
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ValidationError.prototype[util.inspect.custom] = ValidationError.prototype.inspect;
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}
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/*!
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* Helper for JSON.stringify
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* Ensure `name` and `message` show up in toJSON output re: gh-9847
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*/
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Object.defineProperty(ValidationError.prototype, 'toJSON', {
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enumerable: false,
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writable: false,
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configurable: true,
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value: function() {
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return Object.assign({}, this, { name: this.name, message: this.message });
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}
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});
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Object.defineProperty(ValidationError.prototype, 'name', {
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value: 'ValidationError'
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});
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/*!
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* ignore
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*/
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function _generateMessage(err) {
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const keys = Object.keys(err.errors || {});
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const len = keys.length;
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const msgs = [];
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let key;
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for (let i = 0; i < len; ++i) {
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key = keys[i];
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if (err === err.errors[key]) {
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continue;
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}
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msgs.push(key + ': ' + err.errors[key].message);
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}
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return msgs.join(', ');
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}
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/*!
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* Module exports
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*/
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module.exports = ValidationError;
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