Simple Chat Room in NodeJS, expressJS and mongoDB in Docker Swarm
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/*!
* Module requirements
*/
'use strict';
const MongooseError = require('./');
const util = require('util');
class ValidationError extends MongooseError {
/**
* Document Validation Error
*
* @api private
* @param {Document} [instance]
* @inherits MongooseError
*/
constructor(instance) {
let _message;
if (instance && instance.constructor.name === '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 + ': ' + _generateMessage(this);
}
/*!
* inspect helper
*/
inspect() {
return Object.assign(new Error(this.message), this);
}
/*!
* add message
*/
addError(path, error) {
this.errors[path] = error;
this.message = this._message + ': ' + _generateMessage(this);
}
}
if (util.inspect.custom) {
/*!
* Avoid Node deprecation warning DEP0079
*/
ValidationError.prototype[util.inspect.custom] = ValidationError.prototype.inspect;
}
/*!
* Helper for JSON.stringify
*/
Object.defineProperty(ValidationError.prototype, 'toJSON', {
enumerable: false,
writable: false,
configurable: true,
value: function() {
return Object.assign({}, this, { message: this.message });
}
});
Object.defineProperty(ValidationError.prototype, 'name', {
value: 'ValidationError'
});
/*!
* ignore
*/
function _generateMessage(err) {
const keys = Object.keys(err.errors || {});
const len = keys.length;
const msgs = [];
let key;
for (let i = 0; i < len; ++i) {
key = keys[i];
if (err === err.errors[key]) {
continue;
}
msgs.push(key + ': ' + err.errors[key].message);
}
return msgs.join(', ');
}
/*!
* Module exports
*/
module.exports = exports = ValidationError;