Implement HeadlessPluginInitializer

Reviewed By: lblasa

Differential Revision: D36130160

fbshipit-source-id: 6edff1c54bf5bf8cb85387bc2877788f947f97a6

desktop/flipper-server-companion/src/HeadlessPluginInitializer.tsx

@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+import {
+  ActivatablePluginDetails,
+  BundledPluginDetails,
+  InstalledPluginDetails,
+} from 'flipper-common';
+import {
+  AbstractPluginInitializer,
+  getRenderHostInstance,
+  isSandyPlugin,
+} from 'flipper-frontend-core';
+import {_SandyPluginDefinition} from 'flipper-plugin';
+
+export class HeadlessPluginInitializer extends AbstractPluginInitializer {
+  protected async getFlipperVersion() {
+    const config = await getRenderHostInstance().flipperServer.exec(
+      'get-config',
+    );
+    return config.environmentInfo.appVersion;
+  }
+
+  protected async requirePluginImpl(
+    pluginDetails: ActivatablePluginDetails,
+  ): Promise<_SandyPluginDefinition> {
+    const plugin = pluginDetails.isBundled
+      ? this.defaultPluginsIndex[pluginDetails.name]
+      : await getRenderHostInstance().requirePlugin(pluginDetails.entry);
+    if (!plugin) {
+      throw new Error(
+        `Failed to obtain plugin source for: ${pluginDetails.name}`,
+      );
+    }
+    return new _SandyPluginDefinition(pluginDetails, plugin);
+  }
+
+  protected async filterAllLocalVersions(
+    allLocalVersions: (BundledPluginDetails | InstalledPluginDetails)[],
+  ): Promise<ActivatablePluginDetails[]> {
+    const pluginsToLoad = await super.filterAllLocalVersions(allLocalVersions);
+    return pluginsToLoad
+      .filter(isSandyPlugin)
+      .filter((plugin) => plugin.headless);
+  }
+}