setopt/index.js

Helper configurator for automatically calling set methods for each property in the input options object

var types = require("dis-isa");

function Setopt(checker) {
  if (!(this instanceof Setopt)) {
    return new Setopt(checker);
  }

  // TODO: Add ability to specify signatures and transforms to handle data
  // conversion. E.g. Automatically convert singular options to array and
  // verify specific input data types.
}

Setopt.prototype.configure = function(target, options) {
  Object.keys(options || {})
    .map(function(option) {
      var camelOption = "set" + option[0].toUpperCase() + option.substr(1);
      var setter = types.isFunction(target[camelOption]) ? camelOption : option;
      return {
        setter: setter,
        name: option
      };
    })
    .filter(function(option) {
      return types.isFunction(target[option.setter]);
    })
    .forEach(function(option) {
      target[option.setter](options[option.name]);
    });
};

module.exports = Setopt;