element-react-codish/libs/utils/errors.js

Element UI for React

//taken from : http://stackoverflow.com/questions/31089801/extending-error-in-javascript-with-es6-syntax
export class ExtendableError extends Error {
  constructor(message) {
    super(message);
    this.name = this.constructor.name;
    this.message = message; 
    if (typeof Error.captureStackTrace === 'function') {
      Error.captureStackTrace(this, this.constructor);
    } else { 
      this.stack = (new Error(message)).stack; 
    }
  }
} 

export class MethodImplementationRequiredError extends ExtendableError {
  constructor(msg){
    super(msg)
  }
}