Adding code comments to remoteConfig.ts source (#524)

* Adding code comments to remoteConfig.ts source

* Update src/providers/remoteConfig.ts

Co-Authored-By: Diana Tkachenko <31747099+thechenky@users.noreply.github.com>

* Update src/providers/remoteConfig.ts

Co-Authored-By: Diana Tkachenko <31747099+thechenky@users.noreply.github.com>

* Update src/providers/remoteConfig.ts

Co-Authored-By: Diana Tkachenko <31747099+thechenky@users.noreply.github.com>

* Update src/providers/remoteConfig.ts

Co-Authored-By: Diana Tkachenko <31747099+thechenky@users.noreply.github.com>

* Update src/providers/remoteConfig.ts

Co-Authored-By: Diana Tkachenko <31747099+thechenky@users.noreply.github.com>

* Update src/providers/remoteConfig.ts

Co-Authored-By: Diana Tkachenko <31747099+thechenky@users.noreply.github.com>

* Revised wording for TemplateVersion.rollBackSource

* Adding only npm run format:fix, everything else is the same as my previous commit

* Fixed some small typos found by Diana, 'if' and 'Config'

Author: esmacik

src/providers/remoteConfig.ts

@@ -35,9 +35,13 @@ export const provider = 'google.firebase.remoteconfig';
 export const service = 'firebaseremoteconfig.googleapis.com';
 
 /**
- * Handle all updates (including rollbacks) that affect a Remote Config project.
- * @param handler A function that takes the updated Remote Config template
- * version metadata as an argument.
+ * Registers a function that triggers on Firebase Remote Config template
+ * update events.
+ *
+ * @param handler A function that takes the updated Remote Config
+ *   template version metadata as an argument.
+ *
+ * @return A Cloud Function that you can export and deploy.
  */
 export function onUpdate(
   handler: (
@@ -97,8 +101,8 @@ export class UpdateBuilder {
 }
 
 /**
- * Interface representing a Remote Config template version metadata object that
- * was emitted when the project was updated.
+ * An interface representing a Remote Config template version metadata object
+ * emitted when a project is updated.
  */
 export interface TemplateVersion {
   /** The version number of the updated Remote Config template. */
@@ -107,27 +111,49 @@ export interface TemplateVersion {
   /** When the template was updated in format (ISO8601 timestamp). */
   updateTime: string;
 
-  /** Metadata about the account that performed the update. */
+  /**
+   * Metadata about the account that performed the update, of
+   * type [`RemoteConfigUser`](/docs/reference/remote-config/rest/v1/Version#remoteconfiguser).
+   */
   updateUser: RemoteConfigUser;
 
-  /** A description associated with the particular Remote Config template. */
+  /** A description associated with this Remote Config template version. */
   description: string;
 
-  /** The origin of the caller. */
+  /**
+   * The origin of the caller - either the Firebase console or the Remote Config
+   * REST API. See [`RemoteConfigUpdateOrigin`](/docs/reference/remote-config/rest/v1/Version#remoteconfigupdateorigin)
+   * for valid values.
+   */
   updateOrigin: string;
 
-  /** The type of update action that was performed. */
+  /**
+   * The type of update action that was performed, whether forced,
+   * incremental, or a rollback operation. See
+   * [`RemoteConfigUpdateType`](/docs/reference/remote-config/rest/v1/Version#remoteconfigupdatetype)
+   * for valid values.
+   */
   updateType: string;
 
   /**
-   * The version number of the Remote Config template that was rolled back to,
-   * if the update was a rollback.
+   * The version number of the Remote Config template that this update rolled back to.
+   * Only applies if this update was a rollback.
    */
   rollbackSource?: number;
 }
 
+/**
+ * An interface representing metadata for a Remote Config account
+ * that performed the update. Contains the same fields as
+ * [`RemoteConfigUser`](/docs/reference/remote-config/rest/v1/Version#remoteconfiguser).
+ */
 export interface RemoteConfigUser {
+  /** Name of the Remote Config account that performed the update. */
   name?: string;
+
+  /** Email address of the Remote Config account that performed the update. */
   email: string;
+
+  /** Image URL of the Remote Config account that performed the update. */
   imageUrl?: string;
 }