docs: add docstring comments to 'comment' option

src/change_stream.ts

@@ -403,8 +403,14 @@ export interface ChangeStreamCursorOptions extends AbstractCursorOptions {
   startAtOperationTime?: OperationTime;
   resumeAfter?: ResumeToken;
   startAfter?: boolean;
-
-  /** todo: add comment */
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
   comment?: any;
 }
 

src/cmap/connection.ts

@@ -124,7 +124,15 @@ export interface GetMoreOptions extends CommandOptions {
   batchSize?: number;
   maxTimeMS?: number;
   maxAwaitTimeMS?: number;
-  comment?: Document | string;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
+  comment?: any;
 }
 
 /** @public */

src/cursor/abstract_cursor.ts

@@ -77,6 +77,14 @@ export interface AbstractCursorOptions extends BSONSerializeOptions {
   readConcern?: ReadConcernLike;
   batchSize?: number;
   maxTimeMS?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
   comment?: any;
   tailable?: boolean;
   awaitData?: boolean;

src/operations/aggregate.ts

@@ -31,7 +31,14 @@ export interface AggregateOptions extends CommandOperationOptions {
   hint?: Hint;
   /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
   let?: Document;
-  /** Comment to apply to the operation. */
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
   comment?: any;
 
   out?: string;

src/operations/command.ts

@@ -45,8 +45,15 @@ export interface CommandOperationOptions
   /** Collation */
   collation?: CollationOptions;
   maxTimeMS?: number;
-  /** A user-provided comment to attach to this command */
-  comment?: string | Document;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
+  comment?: any;
   /** Should retry failed writes */
   retryWrites?: boolean;
 

src/operations/delete.ts

@@ -12,8 +12,15 @@ import { Aspect, defineAspects, Hint } from './operation';
 export interface DeleteOptions extends CommandOperationOptions, WriteConcernOptions {
   /** If true, when an insert fails, don't execute the remaining writes. If false, continue with remaining inserts when one fails. */
   ordered?: boolean;
-  /** A user-provided comment to attach to this command */
-  comment?: string | Document;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
+  comment?: any;
   /** Specifies the collation to use for the operation */
   collation?: CollationOptions;
   /** Specify that the update query should only consider plans using the hinted index */
@@ -43,8 +50,15 @@ export interface DeleteStatement {
   collation?: CollationOptions;
   /** A document or string that specifies the index to use to support the query predicate. */
   hint?: Hint;
-  /** A user-provided comment to attach to this command */
-  comment?: string | Document;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
+  comment?: any;
 }
 
 /** @internal */

src/operations/find.ts

@@ -46,8 +46,15 @@ export interface FindOptions<TSchema extends Document = Document> extends Comman
   min?: Document;
   /** The exclusive upper bound for a specific index */
   max?: Document;
-  /** You can put a $comment field on a query to make looking in the profiler logs simpler. */
-  comment?: string | Document;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
+  comment?: any;
   /** Number of milliseconds to wait before aborting the query. */
   maxTimeMS?: number;
   /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. Requires `tailable` and `awaitData` to be true */

src/operations/find_and_modify.ts

@@ -82,8 +82,14 @@ interface FindAndModifyCmdBase {
   maxTimeMS?: number;
   let?: Document;
   writeConcern?: WriteConcern | WriteConcernSettings;
-
-  // TODO: add comment
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
   comment?: any;
 }
 

src/operations/get_more.ts

@@ -12,8 +12,15 @@ import { AbstractOperation, Aspect, defineAspects, OperationOptions } from './op
 export interface GetMoreOptions extends OperationOptions {
   /** Set the batchSize for the getMoreCommand when iterating over the query results. */
   batchSize?: number;
-  /** You can put a $comment field on a query to make looking in the profiler logs simpler. */
-  comment?: string | Document;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions <4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions >=4.4, 'comment' can be any valid BSON type.
+   */
+  comment?: any;
   /** Number of milliseconds to wait before aborting the query. */
   maxTimeMS?: number;
 }