errors.js

import _ from 'lodash';

class TypedError extends Error
{
    constructor(message) {
        super();

        this.stack = new Error().stack;
        this.message = this.constructor.name + ': ' + message;
        this.status = 500;
    }
}

export class InvalidOperationError extends TypedError {
    constructor(message) {
        super(message);
        this.status = 400;
    }
}

export class RoutingError extends TypedError {
    constructor(message) {
        super(message);
        this.status = 404;
    }
}

export class ValidationError extends TypedError {
    constructor(errors) {
        super('Validation Failed');
        this.status = 400;
        this.validationErrors = errors;
    }

    static fromCheckitError(err) {
        var errors = _.map(err.errors, (v, k) => { return { field: k, message: v.message };});

        return new this(errors);
    }
}