custom_error.js

'use strict';

class CustomError extends Error {
    constructor () {
        super();
        var error = Error.apply(null, arguments);
        Object.getOwnPropertyNames(error).forEach((function(property) {
            Object.defineProperty(this, property, Object.getOwnPropertyDescriptor(error, property));
        }).bind(this));
        this.name = this.constructor.name;
    }
}

class ApplicationError extends CustomError {
    contructor (message, something) {
        super(message);
        this.something = something;
    }
}

delegate_error.js

'use strict';

class DelegateError extends Error {
    constructor () {
        super();
        this._error = Error.apply(null, arguments);
    }

    get name () {
        return this.constructor.name;
    }

    get message () {
        return this._error.message;
    }

    get stack () {
        return this._error.stack;
    }

    get fileName () {
        return this._error.fileName;
    }

    get lineNumber () {
        return this._error.lineNumber;
    }

    get columnNumber () {
        return this._error.columnNumber;
    }

    toSource () {
        return this._error.toSource();
    }

    toString () {
        return this._error.toString();
    }
}

module.exports = CustomError;


class ApplicationError extends DelegateError {
    contructor (message, something) {
        super(message);
        this.something = something;
    }
}