acha-framework/src/frontend/core/vendor/script.js

is a modular framework on both client (angular.js) and server (node.js) side, it provides security, orm, ioc, obfuscation and ...

/*!
  * $script.js JS loader & dependency manager
  * https://github.com/ded/script.js
  * (c) Dustin Diaz 2014 | License MIT
  */
(function (name, definition) {
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = definition();
  } else if (typeof define === 'function' && define.amd) {
    define(definition);
  } else {
    this[name] = definition();
  }
}('$script', function () {
  var doc = document, head = doc.getElementsByTagName('head')[0], s = 'string', f = false, push = 'push', readyState = 'readyState', onreadystatechange = 'onreadystatechange', list = {}, ids = {}, delay = {}, scripts = {}, scriptpath, urlArgs;
  function every(ar, fn) {
    for (var i = 0, j = ar.length; i < j; ++i) {
      if (!fn(ar[i])) {
        return f;
      }
    }
    return 1;
  }
  function each(ar, fn) {
    every(ar, function (el) {
      fn(el);
      return 1;
    });
  }
  function $script(paths, idOrDone, optDone) {
    paths = paths[push] ? paths : [paths];
    var idOrDoneIsDone = idOrDone && idOrDone.call, done = idOrDoneIsDone ? idOrDone : optDone, id = idOrDoneIsDone ? paths.join('') : idOrDone, queue = paths.length;
    function loopFn(item) {
      return item.call ? item() : list[item];
    }
    function callback() {
      if (!--queue) {
        list[id] = 1;
        done && done();
        for (var dset in delay) {
          every(dset.split('|'), loopFn) && !each(delay[dset], loopFn) && (delay[dset] = []);
        }
      }
    }
    setTimeout(function () {
      each(paths, function loading(path, force) {
        if (path === null) {
          return callback();
        }
        if (!force && !/^https?:\/\//.test(path) && scriptpath) {
          path = path.indexOf('.js') === -1 ? scriptpath + path + '.js' : scriptpath + path;
        }
        if (scripts[path]) {
          if (id) {
            ids[id] = 1;
          }
          return scripts[path] === 2 ? callback() : setTimeout(function () {
            loading(path, true);
          }, 0);
        }
        scripts[path] = 1;
        if (id) {
          ids[id] = 1;
        }
        create(path, callback);
      });
    }, 0);
    return $script;
  }
  function create(path, fn) {
    var el = doc.createElement('script'), loaded;
    el.onload = el.onerror = el[onreadystatechange] = function () {
      if (el[readyState] && !/^c|loade/.test(el[readyState]) || loaded) {
        return;
      }
      el.onload = el[onreadystatechange] = null;
      loaded = 1;
      scripts[path] = 2;
      fn();
    };
    el.async = 1;
    el.src = urlArgs ? path + (path.indexOf('?') === -1 ? '?' : '&') + urlArgs : path;
    head.insertBefore(el, head.lastChild);
  }
  $script.get = create;
  $script.order = function (scripts, id, done) {
    (function callback(s) {
      s = scripts.shift();
      !scripts.length ? $script(s, id, done) : $script(s, callback);
    }());
  };
  $script.path = function (p) {
    scriptpath = p;
  };
  $script.urlArgs = function (str) {
    urlArgs = str;
  };
  $script.ready = function (deps, ready, req) {
    deps = deps[push] ? deps : [deps];
    var missing = [];
    !each(deps, function (dep) {
      list[dep] || missing[push](dep);
    }) && every(deps, function (dep) {
      return list[dep];
    }) ? ready() : !function (key) {
      delay[key] = delay[key] || [];
      delay[key][push](ready);
      req && req(missing);
    }(deps.join('|'));
    return $script;
  };
  $script.done = function (idOrDone) {
    $script([null], idOrDone);
  };
  return $script;
}));