short ES2015 function class

ass-min.js

(function(w){"use strict";var a=Object.assign=Object.assign||function assign(t){var i=0,s,key;while(s=arguments[i++])for(k in s)if(s.hasOwnProperty(k))t[k]=s[k];return t};w.ass=function(t,s){a(t.p,s);return t}})(window)

ass.js

// short ES2015 function class
(function (root, factory){
  'use strict'
  if ('function' == typeof define && define.amd){
    define([], factory)
  } else if ('object' == typeof module && module.exports){
    module.exports= factory()
  } else
    root.ass= factory()
}(this, function (){

  Object.assign= Object.assign || function assign (target){
    var i= 0, src, key
    while (src= arguments[i++])
      for (key in src)
        if (src.hasOwnProperty(key))
          target[key]= src[key]
    return target
  }

  return function (type, share){
    Object.assign( type.prototype, share)
    return type
  }
}))

package.json

{
  "name": "ass.js",
  "version": "0.0.0",
  "description": "short ES2015 function class",
  "license": "MIT",
  "keywords": [
    "class",
    "ES6"
  ],
  "main": "ass.js"
}

> var T= ass(function (a){
...     this.x= a
... }, {
...     y:function (){ return this.x }
... })
undefined
> var t= new T(1)
undefined
> t.y()
1