JS Component Registry

gistfile1.js

function Registry() {
  this._store = {};
}

Registry.prototype.get = function (id) {
  return this._store[id];
};

Registry.prototype.require = function (id) {
  var entry = this.get(id);
  if (entry === undefined) {
    throw new Error('Registry: "' + id + '" not found.');
  }
  return entry;
};

Registry.prototype.set = function (id, entry) {
  var existingEntry = this.get(id);
  if (existingEntry !== undefined) {
    throw new Error('Registry: "' + id + '" already registered');
  }
  this.reset(id, entry);
};

Registry.prototype.reset = function (id, entry) {
  this._store[id] = entry;
};

Registry.prototype.remove = function (id) {
  delete this._store[id];
};

Registry.prototype.destroy = function (id) {
  var entry = this.get(id);
  if (entry !== undefined) {
    if (entry.destroy) {
      entry.destroy();
    }
    this.remove(id);
  }
};