113 lines
2.1 KiB
JavaScript
113 lines
2.1 KiB
JavaScript
/*!
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* Module requirements
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*/
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'use strict';
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const MongooseError = require('./');
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const util = require('util');
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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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function ValidationError(instance) {
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this.errors = {};
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this._message = '';
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if (instance && instance.constructor.name === 'model') {
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this._message = instance.constructor.modelName + ' validation failed';
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MongooseError.call(this, this._message);
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} else {
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this._message = 'Validation failed';
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MongooseError.call(this, this._message);
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}
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this.name = 'ValidationError';
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if (Error.captureStackTrace) {
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Error.captureStackTrace(this);
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} else {
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this.stack = new Error().stack;
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}
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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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* Inherits from MongooseError.
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*/
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ValidationError.prototype = Object.create(MongooseError.prototype);
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ValidationError.prototype.constructor = MongooseError;
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/**
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* Console.log helper
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*/
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ValidationError.prototype.toString = function() {
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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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ValidationError.prototype.inspect = function() {
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return Object.assign(new Error(this.message), this);
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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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*/
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ValidationError.prototype.toJSON = function() {
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return Object.assign({}, this, { message: this.message });
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};
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/*!
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* add message
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*/
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ValidationError.prototype.addError = function(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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* 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 = exports = ValidationError;
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