ExtendableError.js

class ExtendableError extends Error {
	constructor(message, errorCode) {
		super(JSON.stringify( {text:message, code:errorCode} ))
		this.name = this.constructor.name;
		// this.errorCode = errorCode
		if (typeof Error.captureStackTrace === 'function') {
			Error.captureStackTrace(this, this.constructor);
		} else {
			this.stack = (new Error(message)).stack;
		}
	}
}

export default ExtendableError