Function injectEventPluginsByName

docs/external/js/react-dom.development.js:623–648

* Injects plugins to be used by plugin event system. The plugin names must be * in the ordering injected by `injectEventPluginOrder`. * * Plugins can be injected as part of page initialization or on-the-fly. * * @param {object} injectedNamesToPlugins Map from names to plugin modules.

(injectedNamesToPlugins)

   */

  function injectEventPluginsByName(injectedNamesToPlugins) {
    var isOrderingDirty = false;

    for (var pluginName in injectedNamesToPlugins) {
      if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) {
        continue;
      }

      var pluginModule = injectedNamesToPlugins[pluginName];

      if (!namesToPlugins.hasOwnProperty(pluginName) || namesToPlugins[pluginName] !== pluginModule) {
        if (!!namesToPlugins[pluginName]) {
          {
            throw Error( "EventPluginRegistry: Cannot inject two different event plugins using the same name, `" + pluginName + "`." );
          }
        }

        namesToPlugins[pluginName] = pluginModule;
        isOrderingDirty = true;
      }
    }

    if (isOrderingDirty) {
      recomputePluginOrdering();
    }
  }

  var canUseDOM = !!(typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined');