aurelia-form-config.js

class FormElementGeneratedCustomElement {

  @bindable entity;

  @bindable property;

  constructor(config) => {
    this.entity = config.entityStrategy(this.entity);

    this.validations = [];

    let proxy = new Proxy(this.entity, function(entity, property){
      if (config.translationStrategie.length 2) {
        this.validations = config.validationStrategie(entity, property);
      } else {
        this.validation= = config.validationStrategie(entity);
      }
      return entity[name];
    });
  }
}

// Maybe let it be a multimethod style implementation
// Could also add a entity strategy to the config

// Maybe also add an entityStrategie that works with promises
config.entityStrategy = entityStrategies.aureliaOrm;

// a simple function that does translation
config.translationStrategie = bla.translate //some awesome translation lib's translate function

// important is to make sure the ormEntity is normalized to be able to
// commicate with views and other parts of the app. That way form elements can
// be reused
// BASICLY: maps the objects of the strategie to the properties used in the
// viewModel of the form-element component
function aureliaOrm(ormEntity) {
  return proxy = new Proxy(ormEntity, (target, name) => {

    const map = {
      property: 'name',
    };

    return target[map[name]]
  });
}

// the same function used in
//import {validate} 
// property is also passed to enable per property validation. When property
// argument is not defined it will validation on the whole entity. Handy for
// when you only want validation to be performed on submit
config.validationStrategie = (entity, property) => {
  return {
    isValid: ,
    message: 
  };
  new FormValidator('temp')
};

config.renderStrategie = config.renderStrategies.bootstrap;