[Bar Charts] Enable (#278)

Author: jvigliotta

config.js

@@ -306,13 +306,36 @@
     realtimeProductAPIDs: [],
 
     /**
-     * Plugin Support: true enables a plugin.
+     * Plugin Support 
+     * Example configuration:
+     * plugins: {        
+        // Simple enable
+        anotherPlugin: {
+          enabled: true
+        },
+        // Enable with options
+        configuredPlugin: {
+          enabled: true,
+          // these are passed as arguments to the plugin constructor
+          configuration: [
+            {
+              setting1: 'value1',
+              setting2: 'value2'
+            }
+          ]
+        }
+      }
      */
     plugins: {
       /**
        * Enable/disable summary widgets.  Added in R3.4.0.
        */
-      summaryWidgets: true
+      summaryWidgets: {
+        enabled: true
+      },
+      BarChart: {
+        enabled: false
+      }
     },
 
     /**

loader.js

@@ -29,6 +29,8 @@ define([
   IdentityProvider,
   MCWSPersistenceProviderPlugin
 ) {
+  const ALLOWED_OPTIONAL_PLUGINS = ['BarChart'];
+
   function loader(config) {
     let persistenceLoaded;
     const persistenceLoadedPromise = new Promise((resolve) => {
@@ -113,10 +115,40 @@ define([
       });
     }
 
+    // install optional plugins, summary widget is handled separately as it was added long ago
     if (config.plugins) {
-      if (config.plugins.summaryWidgets) {
+      if (
+        config.plugins.summaryWidgets === true ||
+        config.plugins.summaryWidgets?.enabled === true
+      ) {
         openmct.install(openmct.plugins.SummaryWidget());
       }
+
+      const pluginErrors = [];
+      const pluginsToInstall = Object.entries(config.plugins).filter(([plugin, pluginConfig]) => {
+        const isSummaryWidget = plugin === 'summaryWidgets';
+        const allowedPlugin = ALLOWED_OPTIONAL_PLUGINS.includes(plugin);
+        const pluginEnabled = pluginConfig?.enabled;
+
+        if (!allowedPlugin && !isSummaryWidget) {
+          pluginErrors.push(plugin);
+        }
+
+        return allowedPlugin && pluginEnabled && !isSummaryWidget;
+      });
+
+      // Warn if any plugins are not supported
+      if (pluginErrors.length > 0) {
+        console.warn(
+          `Unable to install plugins: ${pluginErrors.join(', ')}. Please verify the plugin name is correct and is included in the supported plugins list. Available plugins: ${ALLOWED_OPTIONAL_PLUGINS.join(', ')}`
+        );
+      }
+
+      pluginsToInstall.forEach(([plugin, pluginConfig]) => {
+        const { configuration = [] } = pluginConfig;
+
+        openmct.install(openmct.plugins[plugin](...configuration));
+      });
     }
 
     openmct.branding({