like-ruby-struct-new.js

like-ruby-struct-new.js

#! iojs --harmony

'use strict';

class Struct {

  static new() {
    var props = Array.prototype.slice.call(arguments);
    return class {
      constructor() {
        var args = Array.prototype.slice.call(arguments);
        props.forEach(function(property, index) {
          this[property] = args[index];
        }, this);
      }
    };
  }

}


class Greeting extends Struct.new('to', 'message') {

  hey() {
    console.log(`Hey, ${this.to}! ${this.message}`);
  }

}

new Greeting('you', 'Shut up and write code!!').hey(); // => Hey, you! Shut up and write code!!