rochars / byte-data

if (!Object.defineProperty ||

    !(function () { try { Object.defineProperty({}, 'x', {}); return true; } catch (e) { return false; } } ())) {

  var orig = Object.defineProperty;

    // In IE8 try built-in implementation for defining properties on DOM prototypes.

    if (o !== Object(o)) { throw TypeError("Object.defineProperty called on non-object"); }

    if (Object.prototype.__defineGetter__ && ('get' in desc)) {

      Object.prototype.__defineGetter__.call(o, prop, desc.get);

    }

    if (Object.prototype.__defineSetter__ && ('set' in desc)) {

      Object.prototype.__defineSetter__.call(o, prop, desc.set);

    }

    if ('value' in desc) {

      o[prop] = desc.value;

    }

    return o;

  };

}

//see https://gist.github.com/jhermsmeier/9a34b06a107bbf5d2c91

if (!Object.getOwnPropertyDescriptor) {

  Object.getOwnPropertyDescriptor = function( object, key ) {

    var hasSupport =

      typeof object.__lookupGetter__ === 'function' &&

      typeof object.__lookupSetter__ === 'function'

    // TODO: How does one determine this?!

    var isGetterSetter = !hasSupport ? null :

      object.__lookupGetter__( key ) ||

      object.__lookupSetter__( key )

      configurable: true,

      enumerable: true,

      get: object.__lookupGetter__( key ),

      set: object.__lookupSetter__( key )

    } : {

      configurable: true,

      writable: true,

      enumerable: true,

      value: object[ key ]

    }

  }

}