web worker lib

amele.js

/*
 *   amele.js
 *   Author : Eray 'maia' Arslan
 *   Email  : relfishere@gmail.com
 *   Blog   : http://eray.js.org/
 *   This project is released under the MIT license.
 */

(function (root, factory) {
  if (typeof define === 'function' && define.amd) {
    define(['exports'], function (exports) {
      root.Amele = factory(root, exports);
    });
  } else if (typeof exports !== 'undefined') {
    factory(root, exports);
  } else {
    root.Amele = factory(root, {});
  }
}(this, function (root, Amele) {
  var amele_id = 0;

  Amele = function (child) {
    this.id = amele_id++;
    this.guid = this._guid();
    this.child = child.slice(0, this._filePrefix.length) === this._filePrefix ?
      new Worker(child.substr(this._filePrefix.length, child.length)) :
      new Worker(URL.createObjectURL(new Blob(
        [child],
        {type: "text/javascript"}
      )));
    this._eventsUp();
    return this;
  };

  Amele.prototype._filePrefix = "file:";

  Amele.prototype.kill = function () {
    this._eventsDown();
    this.child.terminate();
    this.child = null;
  };

  Amele.prototype.send = function (data) {
    this.child.postMessage(data);
    return this;
  };

  Amele.prototype.handle = function () {
  };

  Amele.prototype.success = function (callback) {
    this.handle = callback;
    return this;
  };

  Amele.prototype._guid = function () {
    var guid = [];
    for (var i = 0; i < 8; i++) {
      guid.push(this._s4());
    }
    return guid.join("-");
  };

  Amele.prototype._s4 = function () {
    return Math.floor((1 + Math.random()) * 0x10000)
      .toString(16)
      .substring(1);
  };

  Amele.prototype._nope = function () {
  };

  Amele.prototype._eventsUp = function () {
    var self = this;
    this.child.onmessage = function (e) {
      self.handle(e.data);
    };
  };

  Amele.prototype._eventsDown = function () {
    this.child.onmessage = this._nope();
  };

  return Amele;
}));