en-route/lib/define.js

Routing for static site generators, build systems and task runners, heavily based on express.js routes but works with file objects. Used by Assemble, Verb, and Template.

module.exports = function(obj, key, val) {
  Reflect.defineProperty(obj, key, {
    writable: true,
    configurable: true,
    enumerable: false,
    value: val
  });
};