simple-stats-server/collection.js

dead-simple resource stats for Node.js servers

(function() {
  var Collection, normalize,
    __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

  normalize = function(name) {
    return (name || '').toLowerCase().replace(/\s+/g, '-');
  };

  Collection = (function() {
    function Collection(_module) {
      this._module = _module;
      this.getAll = __bind(this.getAll, this);
      this.get = __bind(this.get, this);
      this.add = __bind(this.add, this);
      this.getNames = __bind(this.getNames, this);
      if (this._module == null) {
        throw new Error('Collection expects a stats module');
      }
      this._stats = {};
    }

    Collection.prototype.getNames = function() {
      return Object.keys(this._stats);
    };

    Collection.prototype.add = function(nm) {
      var args, i, name, stat;
      name = normalize(nm);
      args = (function() {
        var _i, _ref, _results;
        _results = [];
        for (i = _i = 1, _ref = arguments.length; 1 <= _ref ? _i < _ref : _i > _ref; i = 1 <= _ref ? ++_i : --_i) {
          _results.push(arguments[i]);
        }
        return _results;
      }).apply(this, arguments);
      if (name in this._stats) {
        throw new Error("Collection already has a stat named '" + name + "'");
      }
      stat = this._stats[name] = new this._module(args[0], args[1], args[2]);
      return stat.frontend;
    };

    Collection.prototype.get = function(nm) {
      var name, stat;
      name = normalize(nm);
      if (!(name in this._stats)) {
        throw new Error("Collection has no stat named '" + name + "'");
      }
      stat = this._stats[name];
      return stat.backend;
    };

    Collection.prototype.getAll = function() {
      var all, name, stat, _ref;
      all = {};
      _ref = this._stats;
      for (name in _ref) {
        stat = _ref[name];
        all[name] = stat.backend;
      }
      return all;
    };

    return Collection;

  })();

  module.exports = Collection;

}).call(this);