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node_modules/mongodb/src/operations/add_user.ts

@@ -0,0 +1,118 @@
+import * as crypto from 'crypto';
+
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import { MongoInvalidArgumentError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, emitWarningOnce, getTopology } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface RoleSpecification {
+  /**
+   * A role grants privileges to perform sets of actions on defined resources.
+   * A given role applies to the database on which it is defined and can grant access down to a collection level of granularity.
+   */
+  role: string;
+  /** The database this user's role should effect. */
+  db: string;
+}
+
+/** @public */
+export interface AddUserOptions extends CommandOperationOptions {
+  /** @deprecated Please use db.command('createUser', ...) instead for this option */
+  digestPassword?: null;
+  /** Roles associated with the created user */
+  roles?: string | string[] | RoleSpecification | RoleSpecification[];
+  /** Custom data associated with the user (only Mongodb 2.6 or higher) */
+  customData?: Document;
+}
+
+/** @internal */
+export class AddUserOperation extends CommandOperation<Document> {
+  override options: AddUserOptions;
+  db: Db;
+  username: string;
+  password?: string;
+
+  constructor(db: Db, username: string, password: string | undefined, options?: AddUserOptions) {
+    super(db, options);
+
+    this.db = db;
+    this.username = username;
+    this.password = password;
+    this.options = options ?? {};
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const db = this.db;
+    const username = this.username;
+    const password = this.password;
+    const options = this.options;
+
+    // Error out if digestPassword set
+    if (options.digestPassword != null) {
+      return callback(
+        new MongoInvalidArgumentError(
+          'Option "digestPassword" not supported via addUser, use db.command(...) instead'
+        )
+      );
+    }
+
+    let roles;
+    if (!options.roles || (Array.isArray(options.roles) && options.roles.length === 0)) {
+      emitWarningOnce(
+        'Creating a user without roles is deprecated. Defaults to "root" if db is "admin" or "dbOwner" otherwise'
+      );
+      if (db.databaseName.toLowerCase() === 'admin') {
+        roles = ['root'];
+      } else {
+        roles = ['dbOwner'];
+      }
+    } else {
+      roles = Array.isArray(options.roles) ? options.roles : [options.roles];
+    }
+
+    let topology;
+    try {
+      topology = getTopology(db);
+    } catch (error) {
+      return callback(error);
+    }
+
+    const digestPassword = topology.lastHello().maxWireVersion >= 7;
+
+    let userPassword = password;
+
+    if (!digestPassword) {
+      // Use node md5 generator
+      const md5 = crypto.createHash('md5');
+      // Generate keys used for authentication
+      md5.update(`${username}:mongo:${password}`);
+      userPassword = md5.digest('hex');
+    }
+
+    // Build the command to execute
+    const command: Document = {
+      createUser: username,
+      customData: options.customData || {},
+      roles: roles,
+      digestPassword
+    };
+
+    // No password
+    if (typeof password === 'string') {
+      command.pwd = userPassword;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+defineAspects(AddUserOperation, [Aspect.WRITE_OPERATION]);

node_modules/mongodb/src/operations/aggregate.ts

@@ -0,0 +1,144 @@
+import type { Document } from '../bson';
+import { MongoInvalidArgumentError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion, MongoDBNamespace } from '../utils';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/** @internal */
+export const DB_AGGREGATE_COLLECTION = 1 as const;
+const MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT = 8 as const;
+
+/** @public */
+export interface AggregateOptions extends CommandOperationOptions {
+  /** allowDiskUse lets the server know if it can use disk to store temporary results for the aggregation (requires mongodb 2.6 \>). */
+  allowDiskUse?: boolean;
+  /** The number of documents to return per batch. See [aggregation documentation](https://docs.mongodb.com/manual/reference/command/aggregate). */
+  batchSize?: number;
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** Return the query as cursor, on 2.6 \> it returns as a real cursor on pre 2.6 it returns as an emulated cursor. */
+  cursor?: Document;
+  /** specifies a cumulative time limit in milliseconds for processing operations on the cursor. MongoDB interrupts the operation at the earliest following interrupt point. */
+  maxTimeMS?: number;
+  /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. */
+  maxAwaitTimeMS?: number;
+  /** Specify collation. */
+  collation?: CollationOptions;
+  /** Add an index selection hint to an aggregation command */
+  hint?: Hint;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+
+  out?: string;
+}
+
+/** @internal */
+export class AggregateOperation<T = Document> extends CommandOperation<T> {
+  override options: AggregateOptions;
+  target: string | typeof DB_AGGREGATE_COLLECTION;
+  pipeline: Document[];
+  hasWriteStage: boolean;
+
+  constructor(ns: MongoDBNamespace, pipeline: Document[], options?: AggregateOptions) {
+    super(undefined, { ...options, dbName: ns.db });
+
+    this.options = options ?? {};
+
+    // Covers when ns.collection is null, undefined or the empty string, use DB_AGGREGATE_COLLECTION
+    this.target = ns.collection || DB_AGGREGATE_COLLECTION;
+
+    this.pipeline = pipeline;
+
+    // determine if we have a write stage, override read preference if so
+    this.hasWriteStage = false;
+    if (typeof options?.out === 'string') {
+      this.pipeline = this.pipeline.concat({ $out: options.out });
+      this.hasWriteStage = true;
+    } else if (pipeline.length > 0) {
+      const finalStage = pipeline[pipeline.length - 1];
+      if (finalStage.$out || finalStage.$merge) {
+        this.hasWriteStage = true;
+      }
+    }
+
+    if (this.hasWriteStage) {
+      this.trySecondaryWrite = true;
+    }
+
+    if (this.explain && this.writeConcern) {
+      throw new MongoInvalidArgumentError(
+        'Option "explain" cannot be used on an aggregate call with writeConcern'
+      );
+    }
+
+    if (options?.cursor != null && typeof options.cursor !== 'object') {
+      throw new MongoInvalidArgumentError('Cursor options must be an object');
+    }
+  }
+
+  override get canRetryRead(): boolean {
+    return !this.hasWriteStage;
+  }
+
+  addToPipeline(stage: Document): void {
+    this.pipeline.push(stage);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void {
+    const options: AggregateOptions = this.options;
+    const serverWireVersion = maxWireVersion(server);
+    const command: Document = { aggregate: this.target, pipeline: this.pipeline };
+
+    if (this.hasWriteStage && serverWireVersion < MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT) {
+      this.readConcern = undefined;
+    }
+
+    if (serverWireVersion >= 5) {
+      if (this.hasWriteStage && this.writeConcern) {
+        Object.assign(command, { writeConcern: this.writeConcern });
+      }
+    }
+
+    if (options.bypassDocumentValidation === true) {
+      command.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    if (typeof options.allowDiskUse === 'boolean') {
+      command.allowDiskUse = options.allowDiskUse;
+    }
+
+    if (options.hint) {
+      command.hint = options.hint;
+    }
+
+    if (options.let) {
+      command.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    command.cursor = options.cursor || {};
+    if (options.batchSize && !this.hasWriteStage) {
+      command.cursor.batchSize = options.batchSize;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+defineAspects(AggregateOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXPLAINABLE,
+  Aspect.CURSOR_CREATING
+]);

node_modules/mongodb/src/operations/bulk_write.ts

@@ -0,0 +1,67 @@
+import type {
+  AnyBulkWriteOperation,
+  BulkOperationBase,
+  BulkWriteOptions,
+  BulkWriteResult
+} from '../bulk/common';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, Aspect, defineAspects } from './operation';
+
+/** @internal */
+export class BulkWriteOperation extends AbstractOperation<BulkWriteResult> {
+  override options: BulkWriteOptions;
+  collection: Collection;
+  operations: AnyBulkWriteOperation[];
+
+  constructor(
+    collection: Collection,
+    operations: AnyBulkWriteOperation[],
+    options: BulkWriteOptions
+  ) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+    this.operations = operations;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<BulkWriteResult>
+  ): void {
+    const coll = this.collection;
+    const operations = this.operations;
+    const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+
+    // Create the bulk operation
+    const bulk: BulkOperationBase =
+      options.ordered === false
+        ? coll.initializeUnorderedBulkOp(options)
+        : coll.initializeOrderedBulkOp(options);
+
+    // for each op go through and add to the bulk
+    try {
+      for (let i = 0; i < operations.length; i++) {
+        bulk.raw(operations[i]);
+      }
+    } catch (err) {
+      return callback(err);
+    }
+
+    // Execute the bulk
+    bulk.execute({ ...options, session }, (err, r) => {
+      // We have connection level error
+      if (!r && err) {
+        return callback(err);
+      }
+
+      // Return the results
+      callback(undefined, r);
+    });
+  }
+}
+
+defineAspects(BulkWriteOperation, [Aspect.WRITE_OPERATION]);

node_modules/mongodb/src/operations/collections.ts

@@ -0,0 +1,48 @@
+import { Collection } from '../collection';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, OperationOptions } from './operation';
+
+export interface CollectionsOptions extends OperationOptions {
+  nameOnly?: boolean;
+}
+
+/** @internal */
+export class CollectionsOperation extends AbstractOperation<Collection[]> {
+  override options: CollectionsOptions;
+  db: Db;
+
+  constructor(db: Db, options: CollectionsOptions) {
+    super(options);
+    this.options = options;
+    this.db = db;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Collection[]>
+  ): void {
+    const db = this.db;
+
+    // Let's get the collection names
+    db.listCollections(
+      {},
+      { ...this.options, nameOnly: true, readPreference: this.readPreference, session }
+    ).toArray((err, documents) => {
+      if (err || !documents) return callback(err);
+      // Filter collections removing any illegal ones
+      documents = documents.filter(doc => doc.name.indexOf('$') === -1);
+
+      // Return the collection objects
+      callback(
+        undefined,
+        documents.map(d => {
+          return new Collection(db, d.name, db.s.options);
+        })
+      );
+    });
+  }
+}

node_modules/mongodb/src/operations/command.ts

@@ -0,0 +1,193 @@
+import type { BSONSerializeOptions, Document } from '../bson';
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { Explain, ExplainOptions } from '../explain';
+import type { Logger } from '../logger';
+import { ReadConcern } from '../read_concern';
+import type { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import { MIN_SECONDARY_WRITE_WIRE_VERSION } from '../sdam/server_selection';
+import type { ClientSession } from '../sessions';
+import {
+  Callback,
+  commandSupportsReadConcern,
+  decorateWithExplain,
+  maxWireVersion,
+  MongoDBNamespace
+} from '../utils';
+import { WriteConcern, WriteConcernOptions } from '../write_concern';
+import type { ReadConcernLike } from './../read_concern';
+import { AbstractOperation, Aspect, OperationOptions } from './operation';
+
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+
+/** @public */
+export interface CollationOptions {
+  locale: string;
+  caseLevel?: boolean;
+  caseFirst?: string;
+  strength?: number;
+  numericOrdering?: boolean;
+  alternate?: string;
+  maxVariable?: string;
+  backwards?: boolean;
+  normalization?: boolean;
+}
+
+/** @public */
+export interface CommandOperationOptions
+  extends OperationOptions,
+    WriteConcernOptions,
+    ExplainOptions {
+  /** @deprecated This option does nothing */
+  fullResponse?: boolean;
+  /** Specify a read concern and level for the collection. (only MongoDB 3.2 or higher supported) */
+  readConcern?: ReadConcernLike;
+  /** Collation */
+  collation?: CollationOptions;
+  maxTimeMS?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+  /** Should retry failed writes */
+  retryWrites?: boolean;
+
+  // Admin command overrides.
+  dbName?: string;
+  authdb?: string;
+  noResponse?: boolean;
+}
+
+/** @internal */
+export interface OperationParent {
+  s: { namespace: MongoDBNamespace };
+  readConcern?: ReadConcern;
+  writeConcern?: WriteConcern;
+  readPreference?: ReadPreference;
+  logger?: Logger;
+  bsonOptions?: BSONSerializeOptions;
+}
+
+/** @internal */
+export abstract class CommandOperation<T> extends AbstractOperation<T> {
+  override options: CommandOperationOptions;
+  readConcern?: ReadConcern;
+  writeConcern?: WriteConcern;
+  explain?: Explain;
+  logger?: Logger;
+
+  constructor(parent?: OperationParent, options?: CommandOperationOptions) {
+    super(options);
+    this.options = options ?? {};
+
+    // NOTE: this was explicitly added for the add/remove user operations, it's likely
+    //       something we'd want to reconsider. Perhaps those commands can use `Admin`
+    //       as a parent?
+    const dbNameOverride = options?.dbName || options?.authdb;
+    if (dbNameOverride) {
+      this.ns = new MongoDBNamespace(dbNameOverride, '$cmd');
+    } else {
+      this.ns = parent
+        ? parent.s.namespace.withCollection('$cmd')
+        : new MongoDBNamespace('admin', '$cmd');
+    }
+
+    this.readConcern = ReadConcern.fromOptions(options);
+    this.writeConcern = WriteConcern.fromOptions(options);
+
+    // TODO(NODE-2056): make logger another "inheritable" property
+    if (parent && parent.logger) {
+      this.logger = parent.logger;
+    }
+
+    if (this.hasAspect(Aspect.EXPLAINABLE)) {
+      this.explain = Explain.fromOptions(options);
+    } else if (options?.explain != null) {
+      throw new MongoInvalidArgumentError(`Option "explain" is not supported on this command`);
+    }
+  }
+
+  override get canRetryWrite(): boolean {
+    if (this.hasAspect(Aspect.EXPLAINABLE)) {
+      return this.explain == null;
+    }
+    return true;
+  }
+
+  abstract override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void;
+
+  executeCommand(
+    server: Server,
+    session: ClientSession | undefined,
+    cmd: Document,
+    callback: Callback
+  ): void {
+    // TODO: consider making this a non-enumerable property
+    this.server = server;
+
+    const options = {
+      ...this.options,
+      ...this.bsonOptions,
+      readPreference: this.readPreference,
+      session
+    };
+
+    const serverWireVersion = maxWireVersion(server);
+    const inTransaction = this.session && this.session.inTransaction();
+
+    if (this.readConcern && commandSupportsReadConcern(cmd) && !inTransaction) {
+      Object.assign(cmd, { readConcern: this.readConcern });
+    }
+
+    if (this.trySecondaryWrite && serverWireVersion < MIN_SECONDARY_WRITE_WIRE_VERSION) {
+      options.omitReadPreference = true;
+    }
+
+    if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+      callback(
+        new MongoCompatibilityError(
+          `Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`
+        )
+      );
+      return;
+    }
+
+    if (this.writeConcern && this.hasAspect(Aspect.WRITE_OPERATION) && !inTransaction) {
+      Object.assign(cmd, { writeConcern: this.writeConcern });
+    }
+
+    if (serverWireVersion >= SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+      if (
+        options.collation &&
+        typeof options.collation === 'object' &&
+        !this.hasAspect(Aspect.SKIP_COLLATION)
+      ) {
+        Object.assign(cmd, { collation: options.collation });
+      }
+    }
+
+    if (typeof options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = options.maxTimeMS;
+    }
+
+    if (this.hasAspect(Aspect.EXPLAINABLE) && this.explain) {
+      if (serverWireVersion < 6 && cmd.aggregate) {
+        // Prior to 3.6, with aggregate, verbosity is ignored, and we must pass in "explain: true"
+        cmd.explain = true;
+      } else {
+        cmd = decorateWithExplain(cmd, this.explain);
+      }
+    }
+
+    server.command(this.ns, cmd, options, callback);
+  }
+}

node_modules/mongodb/src/operations/common_functions.ts

@@ -0,0 +1,102 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import { MongoTopologyClosedError } from '../error';
+import type { ReadPreference } from '../read_preference';
+import type { ClientSession } from '../sessions';
+import { Callback, getTopology } from '../utils';
+
+/** @public */
+export interface IndexInformationOptions {
+  full?: boolean;
+  readPreference?: ReadPreference;
+  session?: ClientSession;
+}
+/**
+ * Retrieves this collections index info.
+ *
+ * @param db - The Db instance on which to retrieve the index info.
+ * @param name - The name of the collection.
+ */
+export function indexInformation(db: Db, name: string, callback: Callback): void;
+export function indexInformation(
+  db: Db,
+  name: string,
+  options: IndexInformationOptions,
+  callback?: Callback
+): void;
+export function indexInformation(
+  db: Db,
+  name: string,
+  _optionsOrCallback: IndexInformationOptions | Callback,
+  _callback?: Callback
+): void {
+  let options = _optionsOrCallback as IndexInformationOptions;
+  let callback = _callback as Callback;
+  if ('function' === typeof _optionsOrCallback) {
+    callback = _optionsOrCallback;
+    options = {};
+  }
+  // If we specified full information
+  const full = options.full == null ? false : options.full;
+
+  let topology;
+  try {
+    topology = getTopology(db);
+  } catch (error) {
+    return callback(error);
+  }
+
+  // Did the user destroy the topology
+  if (topology.isDestroyed()) return callback(new MongoTopologyClosedError());
+  // Process all the results from the index command and collection
+  function processResults(indexes: any) {
+    // Contains all the information
+    const info: any = {};
+    // Process all the indexes
+    for (let i = 0; i < indexes.length; i++) {
+      const index = indexes[i];
+      // Let's unpack the object
+      info[index.name] = [];
+      for (const name in index.key) {
+        info[index.name].push([name, index.key[name]]);
+      }
+    }
+
+    return info;
+  }
+
+  // Get the list of indexes of the specified collection
+  db.collection(name)
+    .listIndexes(options)
+    .toArray((err, indexes) => {
+      if (err) return callback(err);
+      if (!Array.isArray(indexes)) return callback(undefined, []);
+      if (full) return callback(undefined, indexes);
+      callback(undefined, processResults(indexes));
+    });
+}
+
+export function prepareDocs(
+  coll: Collection,
+  docs: Document[],
+  options: { forceServerObjectId?: boolean }
+): Document[] {
+  const forceServerObjectId =
+    typeof options.forceServerObjectId === 'boolean'
+      ? options.forceServerObjectId
+      : coll.s.db.options?.forceServerObjectId;
+
+  // no need to modify the docs if server sets the ObjectId
+  if (forceServerObjectId === true) {
+    return docs;
+  }
+
+  return docs.map(doc => {
+    if (doc._id == null) {
+      doc._id = coll.s.pkFactory.createPk();
+    }
+
+    return doc;
+  });
+}

node_modules/mongodb/src/operations/connect.ts

@@ -0,0 +1,107 @@
+import { resolveSRVRecord } from '../connection_string';
+import { MONGO_CLIENT_EVENTS } from '../constants';
+import { MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import type { MongoClient, MongoOptions } from '../mongo_client';
+import { Topology } from '../sdam/topology';
+import type { Callback } from '../utils';
+
+export function connect(
+  mongoClient: MongoClient,
+  options: MongoOptions,
+  callback: Callback<MongoClient>
+): void {
+  if (!callback) {
+    throw new MongoInvalidArgumentError('Callback function must be provided');
+  }
+
+  // If a connection already been established, we can terminate early
+  if (mongoClient.topology && mongoClient.topology.isConnected()) {
+    return callback(undefined, mongoClient);
+  }
+
+  const logger = mongoClient.logger;
+  const connectCallback: Callback = err => {
+    const warningMessage =
+      'seed list contains no mongos proxies, replicaset connections requires ' +
+      'the parameter replicaSet to be supplied in the URI or options object, ' +
+      'mongodb://server:port/db?replicaSet=name';
+    if (err && err.message === 'no mongos proxies found in seed list') {
+      if (logger.isWarn()) {
+        logger.warn(warningMessage);
+      }
+
+      // Return a more specific error message for MongoClient.connect
+      // TODO(NODE-3483)
+      return callback(new MongoRuntimeError(warningMessage));
+    }
+
+    callback(err, mongoClient);
+  };
+
+  if (typeof options.srvHost === 'string') {
+    return resolveSRVRecord(options, (err, hosts) => {
+      if (err || !hosts) return callback(err);
+      for (const [index, host] of hosts.entries()) {
+        options.hosts[index] = host;
+      }
+
+      return createTopology(mongoClient, options, connectCallback);
+    });
+  }
+
+  return createTopology(mongoClient, options, connectCallback);
+}
+
+function createTopology(
+  mongoClient: MongoClient,
+  options: MongoOptions,
+  callback: Callback<Topology>
+) {
+  // Create the topology
+  const topology = new Topology(options.hosts, options);
+  // Events can be emitted before initialization is complete so we have to
+  // save the reference to the topology on the client ASAP if the event handlers need to access it
+  mongoClient.topology = topology;
+  topology.client = mongoClient;
+
+  topology.once(Topology.OPEN, () => mongoClient.emit('open', mongoClient));
+
+  for (const event of MONGO_CLIENT_EVENTS) {
+    topology.on(event, (...args: any[]) => mongoClient.emit(event, ...(args as any)));
+  }
+
+  // initialize CSFLE if requested
+  if (mongoClient.autoEncrypter) {
+    mongoClient.autoEncrypter.init(err => {
+      if (err) {
+        return callback(err);
+      }
+
+      topology.connect(options, err => {
+        if (err) {
+          topology.close({ force: true });
+          return callback(err);
+        }
+
+        options.encrypter.connectInternalClient(error => {
+          if (error) return callback(error);
+
+          callback(undefined, topology);
+        });
+      });
+    });
+
+    return;
+  }
+
+  // otherwise connect normally
+  topology.connect(options, err => {
+    if (err) {
+      topology.close({ force: true });
+      return callback(err);
+    }
+
+    callback(undefined, topology);
+    return;
+  });
+}

node_modules/mongodb/src/operations/count.ts

@@ -0,0 +1,68 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface CountOptions extends CommandOperationOptions {
+  /** The number of documents to skip. */
+  skip?: number;
+  /** The maximum amounts to count before aborting. */
+  limit?: number;
+  /** Number of milliseconds to wait before aborting the query. */
+  maxTimeMS?: number;
+  /** An index name hint for the query. */
+  hint?: string | Document;
+}
+
+/** @internal */
+export class CountOperation extends CommandOperation<number> {
+  override options: CountOptions;
+  collectionName?: string;
+  query: Document;
+
+  constructor(namespace: MongoDBNamespace, filter: Document, options: CountOptions) {
+    super({ s: { namespace: namespace } } as unknown as Collection, options);
+
+    this.options = options;
+    this.collectionName = namespace.collection;
+    this.query = filter;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<number>
+  ): void {
+    const options = this.options;
+    const cmd: Document = {
+      count: this.collectionName,
+      query: this.query
+    };
+
+    if (typeof options.limit === 'number') {
+      cmd.limit = options.limit;
+    }
+
+    if (typeof options.skip === 'number') {
+      cmd.skip = options.skip;
+    }
+
+    if (options.hint != null) {
+      cmd.hint = options.hint;
+    }
+
+    if (typeof options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = options.maxTimeMS;
+    }
+
+    super.executeCommand(server, session, cmd, (err, result) => {
+      callback(err, result ? result.n : 0);
+    });
+  }
+}
+
+defineAspects(CountOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE]);

node_modules/mongodb/src/operations/count_documents.ts

@@ -0,0 +1,57 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AggregateOperation, AggregateOptions } from './aggregate';
+
+/** @public */
+export interface CountDocumentsOptions extends AggregateOptions {
+  /** The number of documents to skip. */
+  skip?: number;
+  /** The maximum amounts to count before aborting. */
+  limit?: number;
+}
+
+/** @internal */
+export class CountDocumentsOperation extends AggregateOperation<number> {
+  constructor(collection: Collection, query: Document, options: CountDocumentsOptions) {
+    const pipeline = [];
+    pipeline.push({ $match: query });
+
+    if (typeof options.skip === 'number') {
+      pipeline.push({ $skip: options.skip });
+    }
+
+    if (typeof options.limit === 'number') {
+      pipeline.push({ $limit: options.limit });
+    }
+
+    pipeline.push({ $group: { _id: 1, n: { $sum: 1 } } });
+
+    super(collection.s.namespace, pipeline, options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<number>
+  ): void {
+    super.execute(server, session, (err, result) => {
+      if (err || !result) {
+        callback(err);
+        return;
+      }
+
+      // NOTE: We're avoiding creating a cursor here to reduce the callstack.
+      const response = result as unknown as Document;
+      if (response.cursor == null || response.cursor.firstBatch == null) {
+        callback(undefined, 0);
+        return;
+      }
+
+      const docs = response.cursor.firstBatch;
+      callback(undefined, docs.length ? docs[0].n : 0);
+    });
+  }
+}

node_modules/mongodb/src/operations/create_collection.ts

@@ -0,0 +1,200 @@
+import type { Document } from '../bson';
+import { Collection } from '../collection';
+import type { Db } from '../db';
+import type { PkFactory } from '../mongo_client';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { CreateIndexOperation } from './indexes';
+import { Aspect, defineAspects } from './operation';
+
+const ILLEGAL_COMMAND_FIELDS = new Set([
+  'w',
+  'wtimeout',
+  'j',
+  'fsync',
+  'autoIndexId',
+  'pkFactory',
+  'raw',
+  'readPreference',
+  'session',
+  'readConcern',
+  'writeConcern',
+  'raw',
+  'fieldsAsRaw',
+  'promoteLongs',
+  'promoteValues',
+  'promoteBuffers',
+  'bsonRegExp',
+  'serializeFunctions',
+  'ignoreUndefined',
+  'enableUtf8Validation'
+]);
+
+/** @public
+ * Configuration options for timeseries collections
+ * @see https://docs.mongodb.com/manual/core/timeseries-collections/
+ */
+export interface TimeSeriesCollectionOptions extends Document {
+  timeField: string;
+  metaField?: string;
+  granularity?: 'seconds' | 'minutes' | 'hours' | string;
+}
+
+/** @public
+ * Configuration options for clustered collections
+ * @see https://www.mongodb.com/docs/manual/core/clustered-collections/
+ */
+export interface ClusteredCollectionOptions extends Document {
+  name?: string;
+  key: Document;
+  unique: boolean;
+}
+
+/** @public */
+export interface CreateCollectionOptions extends CommandOperationOptions {
+  /** Returns an error if the collection does not exist */
+  strict?: boolean;
+  /** Create a capped collection */
+  capped?: boolean;
+  /** @deprecated Create an index on the _id field of the document, True by default on MongoDB 2.6 - 3.0 */
+  autoIndexId?: boolean;
+  /** The size of the capped collection in bytes */
+  size?: number;
+  /** The maximum number of documents in the capped collection */
+  max?: number;
+  /** Available for the MMAPv1 storage engine only to set the usePowerOf2Sizes and the noPadding flag */
+  flags?: number;
+  /** Allows users to specify configuration to the storage engine on a per-collection basis when creating a collection on MongoDB 3.0 or higher */
+  storageEngine?: Document;
+  /** Allows users to specify validation rules or expressions for the collection. For more information, see Document Validation on MongoDB 3.2 or higher */
+  validator?: Document;
+  /** Determines how strictly MongoDB applies the validation rules to existing documents during an update on MongoDB 3.2 or higher */
+  validationLevel?: string;
+  /** Determines whether to error on invalid documents or just warn about the violations but allow invalid documents to be inserted on MongoDB 3.2 or higher */
+  validationAction?: string;
+  /** Allows users to specify a default configuration for indexes when creating a collection on MongoDB 3.2 or higher */
+  indexOptionDefaults?: Document;
+  /** The name of the source collection or view from which to create the view. The name is not the full namespace of the collection or view; i.e. does not include the database name and implies the same database as the view to create on MongoDB 3.4 or higher */
+  viewOn?: string;
+  /** An array that consists of the aggregation pipeline stage. Creates the view by applying the specified pipeline to the viewOn collection or view on MongoDB 3.4 or higher */
+  pipeline?: Document[];
+  /** A primary key factory function for generation of custom _id keys. */
+  pkFactory?: PkFactory;
+  /** A document specifying configuration options for timeseries collections. */
+  timeseries?: TimeSeriesCollectionOptions;
+  /** A document specifying configuration options for clustered collections. For MongoDB 5.3 and above. */
+  clusteredIndex?: ClusteredCollectionOptions;
+  /** The number of seconds after which a document in a timeseries or clustered collection expires. */
+  expireAfterSeconds?: number;
+  /** @experimental */
+  encryptedFields?: Document;
+  /**
+   * If set, enables pre-update and post-update document events to be included for any
+   * change streams that listen on this collection.
+   */
+  changeStreamPreAndPostImages?: { enabled: boolean };
+}
+
+/** @internal */
+export class CreateCollectionOperation extends CommandOperation<Collection> {
+  override options: CreateCollectionOptions;
+  db: Db;
+  name: string;
+
+  constructor(db: Db, name: string, options: CreateCollectionOptions = {}) {
+    super(db, options);
+
+    this.options = options;
+    this.db = db;
+    this.name = name;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Collection>
+  ): void {
+    (async () => {
+      const db = this.db;
+      const name = this.name;
+      const options = this.options;
+
+      const encryptedFields: Document | undefined =
+        options.encryptedFields ??
+        db.s.client.options.autoEncryption?.encryptedFieldsMap?.[`${db.databaseName}.${name}`];
+
+      if (encryptedFields) {
+        // Create auxilliary collections for queryable encryption support.
+        const escCollection = encryptedFields.escCollection ?? `enxcol_.${name}.esc`;
+        const eccCollection = encryptedFields.eccCollection ?? `enxcol_.${name}.ecc`;
+        const ecocCollection = encryptedFields.ecocCollection ?? `enxcol_.${name}.ecoc`;
+
+        for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+          const createOp = new CreateCollectionOperation(db, collectionName, {
+            clusteredIndex: {
+              key: { _id: 1 },
+              unique: true
+            }
+          });
+          await createOp.executeWithoutEncryptedFieldsCheck(server, session);
+        }
+
+        if (!options.encryptedFields) {
+          this.options = { ...this.options, encryptedFields };
+        }
+      }
+
+      const coll = await this.executeWithoutEncryptedFieldsCheck(server, session);
+
+      if (encryptedFields) {
+        // Create the required index for queryable encryption support.
+        const createIndexOp = new CreateIndexOperation(db, name, { __safeContent__: 1 }, {});
+        await new Promise<void>((resolve, reject) => {
+          createIndexOp.execute(server, session, err => (err ? reject(err) : resolve()));
+        });
+      }
+
+      return coll;
+    })().then(
+      coll => callback(undefined, coll),
+      err => callback(err)
+    );
+  }
+
+  private executeWithoutEncryptedFieldsCheck(
+    server: Server,
+    session: ClientSession | undefined
+  ): Promise<Collection> {
+    return new Promise<Collection>((resolve, reject) => {
+      const db = this.db;
+      const name = this.name;
+      const options = this.options;
+
+      const done: Callback = err => {
+        if (err) {
+          return reject(err);
+        }
+
+        resolve(new Collection(db, name, options));
+      };
+
+      const cmd: Document = { create: name };
+      for (const n in options) {
+        if (
+          (options as any)[n] != null &&
+          typeof (options as any)[n] !== 'function' &&
+          !ILLEGAL_COMMAND_FIELDS.has(n)
+        ) {
+          cmd[n] = (options as any)[n];
+        }
+      }
+
+      // otherwise just execute the command
+      super.executeCommand(server, session, cmd, done);
+    });
+  }
+}
+
+defineAspects(CreateCollectionOperation, [Aspect.WRITE_OPERATION]);

node_modules/mongodb/src/operations/delete.ts

@@ -0,0 +1,194 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, collationNotSupported, maxWireVersion, MongoDBNamespace } from '../utils';
+import type { WriteConcernOptions } from '../write_concern';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/** @public */
+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;
+  /** Specifies the collation to use for the operation */
+  collation?: CollationOptions;
+  /** Specify that the update query should only consider plans using the hinted index */
+  hint?: string | Document;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+
+  /** @deprecated use `removeOne` or `removeMany` to implicitly specify the limit */
+  single?: boolean;
+}
+
+/** @public */
+export interface DeleteResult {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined. */
+  acknowledged: boolean;
+  /** The number of documents that were deleted */
+  deletedCount: number;
+}
+
+/** @public */
+export interface DeleteStatement {
+  /** The query that matches documents to delete. */
+  q: Document;
+  /** The number of matching documents to delete. */
+  limit: number;
+  /** Specifies the collation to use for the operation. */
+  collation?: CollationOptions;
+  /** A document or string that specifies the index to use to support the query predicate. */
+  hint?: Hint;
+}
+
+/** @internal */
+export class DeleteOperation extends CommandOperation<Document> {
+  override options: DeleteOptions;
+  statements: DeleteStatement[];
+
+  constructor(ns: MongoDBNamespace, statements: DeleteStatement[], options: DeleteOptions) {
+    super(undefined, options);
+    this.options = options;
+    this.ns = ns;
+    this.statements = statements;
+  }
+
+  override get canRetryWrite(): boolean {
+    if (super.canRetryWrite === false) {
+      return false;
+    }
+
+    return this.statements.every(op => (op.limit != null ? op.limit > 0 : true));
+  }
+
+  override execute(server: Server, session: ClientSession | undefined, callback: Callback): void {
+    const options = this.options ?? {};
+    const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+    const command: Document = {
+      delete: this.ns.collection,
+      deletes: this.statements,
+      ordered
+    };
+
+    if (options.let) {
+      command.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    if (options.explain != null && maxWireVersion(server) < 3) {
+      return callback
+        ? callback(
+            new MongoCompatibilityError(`Server ${server.name} does not support explain on delete`)
+          )
+        : undefined;
+    }
+
+    const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+    if (unacknowledgedWrite || maxWireVersion(server) < 5) {
+      if (this.statements.find((o: Document) => o.hint)) {
+        callback(new MongoCompatibilityError(`Servers < 3.4 do not support hint on delete`));
+        return;
+      }
+    }
+
+    const statementWithCollation = this.statements.find(statement => !!statement.collation);
+    if (statementWithCollation && collationNotSupported(server, statementWithCollation)) {
+      callback(new MongoCompatibilityError(`Server ${server.name} does not support collation`));
+      return;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+export class DeleteOneOperation extends DeleteOperation {
+  constructor(collection: Collection, filter: Document, options: DeleteOptions) {
+    super(collection.s.namespace, [makeDeleteStatement(filter, { ...options, limit: 1 })], options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<DeleteResult>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || res == null) return callback(err);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+      if (this.explain) return callback(undefined, res);
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        deletedCount: res.n
+      });
+    });
+  }
+}
+
+export class DeleteManyOperation extends DeleteOperation {
+  constructor(collection: Collection, filter: Document, options: DeleteOptions) {
+    super(collection.s.namespace, [makeDeleteStatement(filter, options)], options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<DeleteResult>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || res == null) return callback(err);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+      if (this.explain) return callback(undefined, res);
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        deletedCount: res.n
+      });
+    });
+  }
+}
+
+export function makeDeleteStatement(
+  filter: Document,
+  options: DeleteOptions & { limit?: number }
+): DeleteStatement {
+  const op: DeleteStatement = {
+    q: filter,
+    limit: typeof options.limit === 'number' ? options.limit : 0
+  };
+
+  if (options.single === true) {
+    op.limit = 1;
+  }
+
+  if (options.collation) {
+    op.collation = options.collation;
+  }
+
+  if (options.hint) {
+    op.hint = options.hint;
+  }
+
+  return op;
+}
+
+defineAspects(DeleteOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION]);
+defineAspects(DeleteOneOperation, [
+  Aspect.RETRYABLE,
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
+defineAspects(DeleteManyOperation, [
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);

node_modules/mongodb/src/operations/distinct.ts

@@ -0,0 +1,90 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, decorateWithCollation, decorateWithReadConcern } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export type DistinctOptions = CommandOperationOptions;
+
+/**
+ * Return a list of distinct values for the given key across a collection.
+ * @internal
+ */
+export class DistinctOperation extends CommandOperation<any[]> {
+  override options: DistinctOptions;
+  collection: Collection;
+  /** Field of the document to find distinct values for. */
+  key: string;
+  /** The query for filtering the set of documents to which we apply the distinct filter. */
+  query: Document;
+
+  /**
+   * Construct a Distinct operation.
+   *
+   * @param collection - Collection instance.
+   * @param key - Field of the document to find distinct values for.
+   * @param query - The query for filtering the set of documents to which we apply the distinct filter.
+   * @param options - Optional settings. See Collection.prototype.distinct for a list of options.
+   */
+  constructor(collection: Collection, key: string, query: Document, options?: DistinctOptions) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collection = collection;
+    this.key = key;
+    this.query = query;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<any[]>
+  ): void {
+    const coll = this.collection;
+    const key = this.key;
+    const query = this.query;
+    const options = this.options;
+
+    // Distinct command
+    const cmd: Document = {
+      distinct: coll.collectionName,
+      key: key,
+      query: query
+    };
+
+    // Add maxTimeMS if defined
+    if (typeof options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = options.maxTimeMS;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (typeof options.comment !== 'undefined') {
+      cmd.comment = options.comment;
+    }
+
+    // Do we have a readConcern specified
+    decorateWithReadConcern(cmd, coll, options);
+
+    // Have we specified collation
+    try {
+      decorateWithCollation(cmd, coll, options);
+    } catch (err) {
+      return callback(err);
+    }
+
+    super.executeCommand(server, session, cmd, (err, result) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      callback(undefined, this.explain ? result : result.values);
+    });
+  }
+}
+
+defineAspects(DistinctOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE, Aspect.EXPLAINABLE]);

node_modules/mongodb/src/operations/drop.ts

@@ -0,0 +1,120 @@
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import { MONGODB_ERROR_CODES, MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface DropCollectionOptions extends CommandOperationOptions {
+  /** @experimental */
+  encryptedFields?: Document;
+}
+
+/** @internal */
+export class DropCollectionOperation extends CommandOperation<boolean> {
+  override options: DropCollectionOptions;
+  db: Db;
+  name: string;
+
+  constructor(db: Db, name: string, options: DropCollectionOptions = {}) {
+    super(db, options);
+    this.db = db;
+    this.options = options;
+    this.name = name;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    (async () => {
+      const db = this.db;
+      const options = this.options;
+      const name = this.name;
+
+      const encryptedFieldsMap = db.s.client.options.autoEncryption?.encryptedFieldsMap;
+      let encryptedFields: Document | undefined =
+        options.encryptedFields ?? encryptedFieldsMap?.[`${db.databaseName}.${name}`];
+
+      if (!encryptedFields && encryptedFieldsMap) {
+        // If the MongoClient was configued with an encryptedFieldsMap,
+        // and no encryptedFields config was available in it or explicitly
+        // passed as an argument, the spec tells us to look one up using
+        // listCollections().
+        const listCollectionsResult = await db
+          .listCollections({ name }, { nameOnly: false })
+          .toArray();
+        encryptedFields = listCollectionsResult?.[0]?.options?.encryptedFields;
+      }
+
+      if (encryptedFields) {
+        const escCollection = encryptedFields.escCollection || `enxcol_.${name}.esc`;
+        const eccCollection = encryptedFields.eccCollection || `enxcol_.${name}.ecc`;
+        const ecocCollection = encryptedFields.ecocCollection || `enxcol_.${name}.ecoc`;
+
+        for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+          // Drop auxilliary collections, ignoring potential NamespaceNotFound errors.
+          const dropOp = new DropCollectionOperation(db, collectionName);
+          try {
+            await dropOp.executeWithoutEncryptedFieldsCheck(server, session);
+          } catch (err) {
+            if (
+              !(err instanceof MongoServerError) ||
+              err.code !== MONGODB_ERROR_CODES.NamespaceNotFound
+            ) {
+              throw err;
+            }
+          }
+        }
+      }
+
+      return await this.executeWithoutEncryptedFieldsCheck(server, session);
+    })().then(
+      result => callback(undefined, result),
+      err => callback(err)
+    );
+  }
+
+  private executeWithoutEncryptedFieldsCheck(
+    server: Server,
+    session: ClientSession | undefined
+  ): Promise<boolean> {
+    return new Promise<boolean>((resolve, reject) => {
+      super.executeCommand(server, session, { drop: this.name }, (err, result) => {
+        if (err) return reject(err);
+        resolve(!!result.ok);
+      });
+    });
+  }
+}
+
+/** @public */
+export type DropDatabaseOptions = CommandOperationOptions;
+
+/** @internal */
+export class DropDatabaseOperation extends CommandOperation<boolean> {
+  override options: DropDatabaseOptions;
+
+  constructor(db: Db, options: DropDatabaseOptions) {
+    super(db, options);
+    this.options = options;
+  }
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    super.executeCommand(server, session, { dropDatabase: 1 }, (err, result) => {
+      if (err) return callback(err);
+      if (result.ok) return callback(undefined, true);
+      callback(undefined, false);
+    });
+  }
+}
+
+defineAspects(DropCollectionOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(DropDatabaseOperation, [Aspect.WRITE_OPERATION]);

node_modules/mongodb/src/operations/estimated_document_count.ts

@@ -0,0 +1,62 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface EstimatedDocumentCountOptions extends CommandOperationOptions {
+  /**
+   * The maximum amount of time to allow the operation to run.
+   *
+   * This option is sent only if the caller explicitly provides a value. The default is to not send a value.
+   */
+  maxTimeMS?: number;
+}
+
+/** @internal */
+export class EstimatedDocumentCountOperation extends CommandOperation<number> {
+  override options: EstimatedDocumentCountOptions;
+  collectionName: string;
+
+  constructor(collection: Collection, options: EstimatedDocumentCountOptions = {}) {
+    super(collection, options);
+    this.options = options;
+    this.collectionName = collection.collectionName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<number>
+  ): void {
+    const cmd: Document = { count: this.collectionName };
+
+    if (typeof this.options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = this.options.maxTimeMS;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (this.options.comment !== undefined) {
+      cmd.comment = this.options.comment;
+    }
+
+    super.executeCommand(server, session, cmd, (err, response) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      callback(undefined, response?.n || 0);
+    });
+  }
+}
+
+defineAspects(EstimatedDocumentCountOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.CURSOR_CREATING
+]);

node_modules/mongodb/src/operations/eval.ts

@@ -0,0 +1,82 @@
+import { Code, Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import { MongoServerError } from '../error';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+/** @public */
+export interface EvalOptions extends CommandOperationOptions {
+  nolock?: boolean;
+}
+
+/** @internal */
+export class EvalOperation extends CommandOperation<Document> {
+  override options: EvalOptions;
+  code: Code;
+  parameters?: Document | Document[];
+
+  constructor(
+    db: Db | Collection,
+    code: Code,
+    parameters?: Document | Document[],
+    options?: EvalOptions
+  ) {
+    super(db, options);
+
+    this.options = options ?? {};
+    this.code = code;
+    this.parameters = parameters;
+    // force primary read preference
+    Object.defineProperty(this, 'readPreference', {
+      value: ReadPreference.primary,
+      configurable: false,
+      writable: false
+    });
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    let finalCode = this.code;
+    let finalParameters: Document[] = [];
+
+    // If not a code object translate to one
+    if (!(finalCode && (finalCode as unknown as { _bsontype: string })._bsontype === 'Code')) {
+      finalCode = new Code(finalCode as never);
+    }
+
+    // Ensure the parameters are correct
+    if (this.parameters != null && typeof this.parameters !== 'function') {
+      finalParameters = Array.isArray(this.parameters) ? this.parameters : [this.parameters];
+    }
+
+    // Create execution selector
+    const cmd: Document = { $eval: finalCode, args: finalParameters };
+
+    // Check if the nolock parameter is passed in
+    if (this.options.nolock) {
+      cmd.nolock = this.options.nolock;
+    }
+
+    // Execute the command
+    super.executeCommand(server, session, cmd, (err, result) => {
+      if (err) return callback(err);
+      if (result && result.ok === 1) {
+        return callback(undefined, result.retval);
+      }
+
+      if (result) {
+        callback(new MongoServerError({ message: `eval failed: ${result.errmsg}` }));
+        return;
+      }
+
+      callback(err, result);
+    });
+  }
+}

node_modules/mongodb/src/operations/execute_operation.ts

@@ -0,0 +1,298 @@
+import type { Document } from '../bson';
+import {
+  isRetryableReadError,
+  isRetryableWriteError,
+  MongoCompatibilityError,
+  MONGODB_ERROR_CODES,
+  MongoError,
+  MongoExpiredSessionError,
+  MongoNetworkError,
+  MongoNotConnectedError,
+  MongoRuntimeError,
+  MongoServerError,
+  MongoTransactionError,
+  MongoUnexpectedServerResponseError
+} from '../error';
+import type { MongoClient } from '../mongo_client';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import {
+  sameServerSelector,
+  secondaryWritableServerSelector,
+  ServerSelector
+} from '../sdam/server_selection';
+import type { Topology } from '../sdam/topology';
+import type { ClientSession } from '../sessions';
+import { Callback, maybePromise, supportsRetryableWrites } from '../utils';
+import { AbstractOperation, Aspect } from './operation';
+
+const MMAPv1_RETRY_WRITES_ERROR_CODE = MONGODB_ERROR_CODES.IllegalOperation;
+const MMAPv1_RETRY_WRITES_ERROR_MESSAGE =
+  'This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.';
+
+type ResultTypeFromOperation<TOperation> = TOperation extends AbstractOperation<infer K>
+  ? K
+  : never;
+
+/** @internal */
+export interface ExecutionResult {
+  /** The server selected for the operation */
+  server: Server;
+  /** The session used for this operation, may be implicitly created */
+  session?: ClientSession;
+  /** The raw server response for the operation */
+  response: Document;
+}
+
+/**
+ * Executes the given operation with provided arguments.
+ * @internal
+ *
+ * @remarks
+ * This method reduces large amounts of duplication in the entire codebase by providing
+ * a single point for determining whether callbacks or promises should be used. Additionally
+ * it allows for a single point of entry to provide features such as implicit sessions, which
+ * are required by the Driver Sessions specification in the event that a ClientSession is
+ * not provided
+ *
+ * @param topology - The topology to execute this operation on
+ * @param operation - The operation to execute
+ * @param callback - The command result callback
+ */
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T): Promise<TResult>;
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T, callback: Callback<TResult>): void;
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T, callback?: Callback<TResult>): Promise<TResult> | void;
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T, callback?: Callback<TResult>): Promise<TResult> | void {
+  if (!(operation instanceof AbstractOperation)) {
+    // TODO(NODE-3483): Extend MongoRuntimeError
+    throw new MongoRuntimeError('This method requires a valid operation instance');
+  }
+
+  return maybePromise(callback, callback => {
+    const topology = client.topology;
+
+    if (topology == null) {
+      if (client.s.hasBeenClosed) {
+        return callback(
+          new MongoNotConnectedError('Client must be connected before running operations')
+        );
+      }
+      client.s.options[Symbol.for('@@mdb.skipPingOnConnect')] = true;
+      return client.connect(error => {
+        delete client.s.options[Symbol.for('@@mdb.skipPingOnConnect')];
+        if (error) {
+          return callback(error);
+        }
+        return executeOperation<T, TResult>(client, operation, callback);
+      });
+    }
+
+    if (topology.shouldCheckForSessionSupport()) {
+      return topology.selectServer(ReadPreference.primaryPreferred, {}, err => {
+        if (err) return callback(err);
+
+        executeOperation<T, TResult>(client, operation, callback);
+      });
+    }
+
+    // The driver sessions spec mandates that we implicitly create sessions for operations
+    // that are not explicitly provided with a session.
+    let session = operation.session;
+    let owner: symbol | undefined;
+    if (topology.hasSessionSupport()) {
+      if (session == null) {
+        owner = Symbol();
+        session = client.startSession({ owner, explicit: false });
+      } else if (session.hasEnded) {
+        return callback(new MongoExpiredSessionError('Use of expired sessions is not permitted'));
+      } else if (session.snapshotEnabled && !topology.capabilities.supportsSnapshotReads) {
+        return callback(new MongoCompatibilityError('Snapshot reads require MongoDB 5.0 or later'));
+      }
+    } else {
+      // no session support
+      if (session && session.explicit) {
+        // If the user passed an explicit session and we are still, after server selection,
+        // trying to run against a topology that doesn't support sessions we error out.
+        return callback(new MongoCompatibilityError('Current topology does not support sessions'));
+      } else if (session && !session.explicit) {
+        // We do not have to worry about ending the session because the server session has not been acquired yet
+        delete operation.options.session;
+        operation.clearSession();
+        session = undefined;
+      }
+    }
+
+    try {
+      executeWithServerSelection<TResult>(topology, session, operation, (error, result) => {
+        if (session?.owner != null && session.owner === owner) {
+          return session.endSession(endSessionError => callback(endSessionError ?? error, result));
+        }
+
+        callback(error, result);
+      });
+    } catch (error) {
+      if (session?.owner != null && session.owner === owner) {
+        session.endSession().catch(() => null);
+      }
+
+      throw error;
+    }
+  });
+}
+
+function executeWithServerSelection<TResult>(
+  topology: Topology,
+  session: ClientSession | undefined,
+  operation: AbstractOperation,
+  callback: Callback<TResult>
+) {
+  const readPreference = operation.readPreference ?? ReadPreference.primary;
+  const inTransaction = !!session?.inTransaction();
+
+  if (inTransaction && !readPreference.equals(ReadPreference.primary)) {
+    return callback(
+      new MongoTransactionError(
+        `Read preference in a transaction must be primary, not: ${readPreference.mode}`
+      )
+    );
+  }
+
+  if (session?.isPinned && session.transaction.isCommitted && !operation.bypassPinningCheck) {
+    session.unpin();
+  }
+
+  let selector: ReadPreference | ServerSelector;
+
+  if (operation.hasAspect(Aspect.MUST_SELECT_SAME_SERVER)) {
+    // GetMore and KillCursor operations must always select the same server, but run through
+    // server selection to potentially force monitor checks if the server is
+    // in an unknown state.
+    selector = sameServerSelector(operation.server?.description);
+  } else if (operation.trySecondaryWrite) {
+    // If operation should try to write to secondary use the custom server selector
+    // otherwise provide the read preference.
+    selector = secondaryWritableServerSelector(topology.commonWireVersion, readPreference);
+  } else {
+    selector = readPreference;
+  }
+
+  const serverSelectionOptions = { session };
+  function retryOperation(originalError: MongoError) {
+    const isWriteOperation = operation.hasAspect(Aspect.WRITE_OPERATION);
+    const isReadOperation = operation.hasAspect(Aspect.READ_OPERATION);
+
+    if (isWriteOperation && originalError.code === MMAPv1_RETRY_WRITES_ERROR_CODE) {
+      return callback(
+        new MongoServerError({
+          message: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+          errmsg: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+          originalError
+        })
+      );
+    }
+
+    if (isWriteOperation && !isRetryableWriteError(originalError)) {
+      return callback(originalError);
+    }
+
+    if (isReadOperation && !isRetryableReadError(originalError)) {
+      return callback(originalError);
+    }
+
+    if (
+      originalError instanceof MongoNetworkError &&
+      session?.isPinned &&
+      !session.inTransaction() &&
+      operation.hasAspect(Aspect.CURSOR_CREATING)
+    ) {
+      // If we have a cursor and the initial command fails with a network error,
+      // we can retry it on another connection. So we need to check it back in, clear the
+      // pool for the service id, and retry again.
+      session.unpin({ force: true, forceClear: true });
+    }
+
+    // select a new server, and attempt to retry the operation
+    topology.selectServer(selector, serverSelectionOptions, (error?: Error, server?: Server) => {
+      if (!error && isWriteOperation && !supportsRetryableWrites(server)) {
+        return callback(
+          new MongoUnexpectedServerResponseError(
+            'Selected server does not support retryable writes'
+          )
+        );
+      }
+
+      if (error || !server) {
+        return callback(
+          error ?? new MongoUnexpectedServerResponseError('Server selection failed without error')
+        );
+      }
+
+      operation.execute(server, session, callback);
+    });
+  }
+
+  if (
+    readPreference &&
+    !readPreference.equals(ReadPreference.primary) &&
+    session?.inTransaction()
+  ) {
+    callback(
+      new MongoTransactionError(
+        `Read preference in a transaction must be primary, not: ${readPreference.mode}`
+      )
+    );
+
+    return;
+  }
+
+  // select a server, and execute the operation against it
+  topology.selectServer(selector, serverSelectionOptions, (error, server) => {
+    if (error || !server) {
+      return callback(error);
+    }
+
+    if (session && operation.hasAspect(Aspect.RETRYABLE)) {
+      const willRetryRead =
+        topology.s.options.retryReads && !inTransaction && operation.canRetryRead;
+
+      const willRetryWrite =
+        topology.s.options.retryWrites &&
+        !inTransaction &&
+        supportsRetryableWrites(server) &&
+        operation.canRetryWrite;
+
+      const hasReadAspect = operation.hasAspect(Aspect.READ_OPERATION);
+      const hasWriteAspect = operation.hasAspect(Aspect.WRITE_OPERATION);
+
+      if ((hasReadAspect && willRetryRead) || (hasWriteAspect && willRetryWrite)) {
+        if (hasWriteAspect && willRetryWrite) {
+          operation.options.willRetryWrite = true;
+          session.incrementTransactionNumber();
+        }
+
+        return operation.execute(server, session, (error, result) => {
+          if (error instanceof MongoError) {
+            return retryOperation(error);
+          } else if (error) {
+            return callback(error);
+          }
+          callback(undefined, result);
+        });
+      }
+    }
+
+    return operation.execute(server, session, callback);
+  });
+}

node_modules/mongodb/src/operations/find.ts

@@ -0,0 +1,288 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { ReadConcern } from '../read_concern';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { formatSort, Sort } from '../sort';
+import {
+  Callback,
+  decorateWithExplain,
+  maxWireVersion,
+  MongoDBNamespace,
+  normalizeHintField
+} from '../utils';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/**
+ * @public
+ * @typeParam TSchema - Unused schema definition, deprecated usage, only specify `FindOptions` with no generic
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export interface FindOptions<TSchema extends Document = Document> extends CommandOperationOptions {
+  /** Sets the limit of documents returned in the query. */
+  limit?: number;
+  /** Set to sort the documents coming back from the query. Array of indexes, `[['a', 1]]` etc. */
+  sort?: Sort;
+  /** The fields to return in the query. Object of fields to either include or exclude (one of, not both), `{'a':1, 'b': 1}` **or** `{'a': 0, 'b': 0}` */
+  projection?: Document;
+  /** Set to skip N documents ahead in your query (useful for pagination). */
+  skip?: number;
+  /** Tell the query to use specific indexes in the query. Object of indexes to use, `{'_id':1}` */
+  hint?: Hint;
+  /** Specify if the cursor can timeout. */
+  timeout?: boolean;
+  /** Specify if the cursor is tailable. */
+  tailable?: boolean;
+  /** Specify if the cursor is a tailable-await cursor. Requires `tailable` to be true */
+  awaitData?: boolean;
+  /** Set the batchSize for the getMoreCommand when iterating over the query results. */
+  batchSize?: number;
+  /** If true, returns only the index keys in the resulting documents. */
+  returnKey?: boolean;
+  /** The inclusive lower bound for a specific index */
+  min?: Document;
+  /** The exclusive upper bound for a specific index */
+  max?: Document;
+  /** 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 */
+  maxAwaitTimeMS?: number;
+  /** The server normally times out idle cursors after an inactivity period (10 minutes) to prevent excess memory use. Set this option to prevent that. */
+  noCursorTimeout?: boolean;
+  /** Specify collation (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields). */
+  collation?: CollationOptions;
+  /** Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher) */
+  allowDiskUse?: boolean;
+  /** Determines whether to close the cursor after the first batch. Defaults to false. */
+  singleBatch?: boolean;
+  /** For queries against a sharded collection, allows the command (or subsequent getMore commands) to return partial results, rather than an error, if one or more queried shards are unavailable. */
+  allowPartialResults?: boolean;
+  /** Determines whether to return the record identifier for each document. If true, adds a field $recordId to the returned documents. */
+  showRecordId?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+  /**
+   * Option to enable an optimized code path for queries looking for a particular range of `ts` values in the oplog. Requires `tailable` to be true.
+   * @deprecated Starting from MongoDB 4.4 this flag is not needed and will be ignored.
+   */
+  oplogReplay?: boolean;
+}
+
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+
+/** @internal */
+export class FindOperation extends CommandOperation<Document> {
+  override options: FindOptions;
+  filter: Document;
+
+  constructor(
+    collection: Collection | undefined,
+    ns: MongoDBNamespace,
+    filter: Document = {},
+    options: FindOptions = {}
+  ) {
+    super(collection, options);
+
+    this.options = options;
+    this.ns = ns;
+
+    if (typeof filter !== 'object' || Array.isArray(filter)) {
+      throw new MongoInvalidArgumentError('Query filter must be a plain object or ObjectId');
+    }
+
+    // If the filter is a buffer, validate that is a valid BSON document
+    if (Buffer.isBuffer(filter)) {
+      const objectSize = filter[0] | (filter[1] << 8) | (filter[2] << 16) | (filter[3] << 24);
+      if (objectSize !== filter.length) {
+        throw new MongoInvalidArgumentError(
+          `Query filter raw message size does not match message header size [${filter.length}] != [${objectSize}]`
+        );
+      }
+    }
+
+    // special case passing in an ObjectId as a filter
+    this.filter = filter != null && filter._bsontype === 'ObjectID' ? { _id: filter } : filter;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    this.server = server;
+
+    const serverWireVersion = maxWireVersion(server);
+    const options = this.options;
+    if (options.allowDiskUse != null && serverWireVersion < 4) {
+      callback(
+        new MongoCompatibilityError('Option "allowDiskUse" is not supported on MongoDB < 3.2')
+      );
+      return;
+    }
+
+    if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+      callback(
+        new MongoCompatibilityError(
+          `Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`
+        )
+      );
+
+      return;
+    }
+
+    let findCommand = makeFindCommand(this.ns, this.filter, options);
+    if (this.explain) {
+      findCommand = decorateWithExplain(findCommand, this.explain);
+    }
+
+    server.command(
+      this.ns,
+      findCommand,
+      {
+        ...this.options,
+        ...this.bsonOptions,
+        documentsReturnedIn: 'firstBatch',
+        session
+      },
+      callback
+    );
+  }
+}
+
+function makeFindCommand(ns: MongoDBNamespace, filter: Document, options: FindOptions): Document {
+  const findCommand: Document = {
+    find: ns.collection,
+    filter
+  };
+
+  if (options.sort) {
+    findCommand.sort = formatSort(options.sort);
+  }
+
+  if (options.projection) {
+    let projection = options.projection;
+    if (projection && Array.isArray(projection)) {
+      projection = projection.length
+        ? projection.reduce((result, field) => {
+            result[field] = 1;
+            return result;
+          }, {})
+        : { _id: 1 };
+    }
+
+    findCommand.projection = projection;
+  }
+
+  if (options.hint) {
+    findCommand.hint = normalizeHintField(options.hint);
+  }
+
+  if (typeof options.skip === 'number') {
+    findCommand.skip = options.skip;
+  }
+
+  if (typeof options.limit === 'number') {
+    if (options.limit < 0) {
+      findCommand.limit = -options.limit;
+      findCommand.singleBatch = true;
+    } else {
+      findCommand.limit = options.limit;
+    }
+  }
+
+  if (typeof options.batchSize === 'number') {
+    if (options.batchSize < 0) {
+      if (
+        options.limit &&
+        options.limit !== 0 &&
+        Math.abs(options.batchSize) < Math.abs(options.limit)
+      ) {
+        findCommand.limit = -options.batchSize;
+      }
+
+      findCommand.singleBatch = true;
+    } else {
+      findCommand.batchSize = options.batchSize;
+    }
+  }
+
+  if (typeof options.singleBatch === 'boolean') {
+    findCommand.singleBatch = options.singleBatch;
+  }
+
+  // we check for undefined specifically here to allow falsy values
+  // eslint-disable-next-line no-restricted-syntax
+  if (options.comment !== undefined) {
+    findCommand.comment = options.comment;
+  }
+
+  if (typeof options.maxTimeMS === 'number') {
+    findCommand.maxTimeMS = options.maxTimeMS;
+  }
+
+  const readConcern = ReadConcern.fromOptions(options);
+  if (readConcern) {
+    findCommand.readConcern = readConcern.toJSON();
+  }
+
+  if (options.max) {
+    findCommand.max = options.max;
+  }
+
+  if (options.min) {
+    findCommand.min = options.min;
+  }
+
+  if (typeof options.returnKey === 'boolean') {
+    findCommand.returnKey = options.returnKey;
+  }
+
+  if (typeof options.showRecordId === 'boolean') {
+    findCommand.showRecordId = options.showRecordId;
+  }
+
+  if (typeof options.tailable === 'boolean') {
+    findCommand.tailable = options.tailable;
+  }
+
+  if (typeof options.oplogReplay === 'boolean') {
+    findCommand.oplogReplay = options.oplogReplay;
+  }
+
+  if (typeof options.timeout === 'boolean') {
+    findCommand.noCursorTimeout = !options.timeout;
+  } else if (typeof options.noCursorTimeout === 'boolean') {
+    findCommand.noCursorTimeout = options.noCursorTimeout;
+  }
+
+  if (typeof options.awaitData === 'boolean') {
+    findCommand.awaitData = options.awaitData;
+  }
+
+  if (typeof options.allowPartialResults === 'boolean') {
+    findCommand.allowPartialResults = options.allowPartialResults;
+  }
+
+  if (options.collation) {
+    findCommand.collation = options.collation;
+  }
+
+  if (typeof options.allowDiskUse === 'boolean') {
+    findCommand.allowDiskUse = options.allowDiskUse;
+  }
+
+  if (options.let) {
+    findCommand.let = options.let;
+  }
+
+  return findCommand;
+}
+
+defineAspects(FindOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXPLAINABLE,
+  Aspect.CURSOR_CREATING
+]);

node_modules/mongodb/src/operations/find_and_modify.ts

@@ -0,0 +1,295 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { formatSort, Sort, SortForCmd } from '../sort';
+import { Callback, decorateWithCollation, hasAtomicOperators, maxWireVersion } from '../utils';
+import type { WriteConcern, WriteConcernSettings } from '../write_concern';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export const ReturnDocument = Object.freeze({
+  BEFORE: 'before',
+  AFTER: 'after'
+} as const);
+
+/** @public */
+export type ReturnDocument = typeof ReturnDocument[keyof typeof ReturnDocument];
+
+/** @public */
+export interface FindOneAndDeleteOptions extends CommandOperationOptions {
+  /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+  hint?: Document;
+  /** Limits the fields to return for all matching documents. */
+  projection?: Document;
+  /** Determines which document the operation modifies if the query selects multiple documents. */
+  sort?: Sort;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @public */
+export interface FindOneAndReplaceOptions extends CommandOperationOptions {
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+  hint?: Document;
+  /** Limits the fields to return for all matching documents. */
+  projection?: Document;
+  /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+  returnDocument?: ReturnDocument;
+  /** Determines which document the operation modifies if the query selects multiple documents. */
+  sort?: Sort;
+  /** Upsert the document if it does not exist. */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @public */
+export interface FindOneAndUpdateOptions extends CommandOperationOptions {
+  /** Optional list of array filters referenced in filtered positional operators */
+  arrayFilters?: Document[];
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+  hint?: Document;
+  /** Limits the fields to return for all matching documents. */
+  projection?: Document;
+  /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+  returnDocument?: ReturnDocument;
+  /** Determines which document the operation modifies if the query selects multiple documents. */
+  sort?: Sort;
+  /** Upsert the document if it does not exist. */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @internal */
+interface FindAndModifyCmdBase {
+  remove: boolean;
+  new: boolean;
+  upsert: boolean;
+  update?: Document;
+  sort?: SortForCmd;
+  fields?: Document;
+  bypassDocumentValidation?: boolean;
+  arrayFilters?: Document[];
+  maxTimeMS?: number;
+  let?: Document;
+  writeConcern?: WriteConcern | WriteConcernSettings;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+}
+
+function configureFindAndModifyCmdBaseUpdateOpts(
+  cmdBase: FindAndModifyCmdBase,
+  options: FindOneAndReplaceOptions | FindOneAndUpdateOptions
+): FindAndModifyCmdBase {
+  cmdBase.new = options.returnDocument === ReturnDocument.AFTER;
+  cmdBase.upsert = options.upsert === true;
+
+  if (options.bypassDocumentValidation === true) {
+    cmdBase.bypassDocumentValidation = options.bypassDocumentValidation;
+  }
+  return cmdBase;
+}
+
+/** @internal */
+class FindAndModifyOperation extends CommandOperation<Document> {
+  override options: FindOneAndReplaceOptions | FindOneAndUpdateOptions | FindOneAndDeleteOptions;
+  cmdBase: FindAndModifyCmdBase;
+  collection: Collection;
+  query: Document;
+  doc?: Document;
+
+  constructor(
+    collection: Collection,
+    query: Document,
+    options: FindOneAndReplaceOptions | FindOneAndUpdateOptions | FindOneAndDeleteOptions
+  ) {
+    super(collection, options);
+    this.options = options ?? {};
+    this.cmdBase = {
+      remove: false,
+      new: false,
+      upsert: false
+    };
+
+    const sort = formatSort(options.sort);
+    if (sort) {
+      this.cmdBase.sort = sort;
+    }
+
+    if (options.projection) {
+      this.cmdBase.fields = options.projection;
+    }
+
+    if (options.maxTimeMS) {
+      this.cmdBase.maxTimeMS = options.maxTimeMS;
+    }
+
+    // Decorate the findAndModify command with the write Concern
+    if (options.writeConcern) {
+      this.cmdBase.writeConcern = options.writeConcern;
+    }
+
+    if (options.let) {
+      this.cmdBase.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      this.cmdBase.comment = options.comment;
+    }
+
+    // force primary read preference
+    this.readPreference = ReadPreference.primary;
+
+    this.collection = collection;
+    this.query = query;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const coll = this.collection;
+    const query = this.query;
+    const options = { ...this.options, ...this.bsonOptions };
+
+    // Create findAndModify command object
+    const cmd: Document = {
+      findAndModify: coll.collectionName,
+      query: query,
+      ...this.cmdBase
+    };
+
+    // Have we specified collation
+    try {
+      decorateWithCollation(cmd, coll, options);
+    } catch (err) {
+      return callback(err);
+    }
+
+    if (options.hint) {
+      // TODO: once this method becomes a CommandOperation we will have the server
+      // in place to check.
+      const unacknowledgedWrite = this.writeConcern?.w === 0;
+      if (unacknowledgedWrite || maxWireVersion(server) < 8) {
+        callback(
+          new MongoCompatibilityError(
+            'The current topology does not support a hint on findAndModify commands'
+          )
+        );
+
+        return;
+      }
+
+      cmd.hint = options.hint;
+    }
+
+    if (this.explain && maxWireVersion(server) < 4) {
+      callback(
+        new MongoCompatibilityError(
+          `Server ${server.name} does not support explain on findAndModify`
+        )
+      );
+      return;
+    }
+
+    // Execute the command
+    super.executeCommand(server, session, cmd, (err, result) => {
+      if (err) return callback(err);
+      return callback(undefined, result);
+    });
+  }
+}
+
+/** @internal */
+export class FindOneAndDeleteOperation extends FindAndModifyOperation {
+  constructor(collection: Collection, filter: Document, options: FindOneAndDeleteOptions) {
+    // Basic validation
+    if (filter == null || typeof filter !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "filter" must be an object');
+    }
+
+    super(collection, filter, options);
+    this.cmdBase.remove = true;
+  }
+}
+
+/** @internal */
+export class FindOneAndReplaceOperation extends FindAndModifyOperation {
+  constructor(
+    collection: Collection,
+    filter: Document,
+    replacement: Document,
+    options: FindOneAndReplaceOptions
+  ) {
+    if (filter == null || typeof filter !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "filter" must be an object');
+    }
+
+    if (replacement == null || typeof replacement !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "replacement" must be an object');
+    }
+
+    if (hasAtomicOperators(replacement)) {
+      throw new MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+    }
+
+    super(collection, filter, options);
+    this.cmdBase.update = replacement;
+    configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+  }
+}
+
+/** @internal */
+export class FindOneAndUpdateOperation extends FindAndModifyOperation {
+  constructor(
+    collection: Collection,
+    filter: Document,
+    update: Document,
+    options: FindOneAndUpdateOptions
+  ) {
+    if (filter == null || typeof filter !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "filter" must be an object');
+    }
+
+    if (update == null || typeof update !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "update" must be an object');
+    }
+
+    if (!hasAtomicOperators(update)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+
+    super(collection, filter, options);
+    this.cmdBase.update = update;
+    configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+
+    if (options.arrayFilters) {
+      this.cmdBase.arrayFilters = options.arrayFilters;
+    }
+  }
+}
+
+defineAspects(FindAndModifyOperation, [
+  Aspect.WRITE_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXPLAINABLE
+]);

node_modules/mongodb/src/operations/get_more.ts

@@ -0,0 +1,106 @@
+import type { Document, Long } from '../bson';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion, MongoDBNamespace } from '../utils';
+import { AbstractOperation, Aspect, defineAspects, OperationOptions } from './operation';
+
+/** @internal */
+export interface GetMoreOptions extends OperationOptions {
+  /** Set the batchSize for the getMoreCommand when iterating over the query results. */
+  batchSize?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * getMore only supports 'comment' in server versions 4.4 and above.
+   */
+  comment?: unknown;
+  /** Number of milliseconds to wait before aborting the query. */
+  maxTimeMS?: number;
+  /** TODO(NODE-4413): Address bug with maxAwaitTimeMS not being passed in from the cursor correctly */
+  maxAwaitTimeMS?: number;
+}
+
+/**
+ * GetMore command: https://www.mongodb.com/docs/manual/reference/command/getMore/
+ * @internal
+ */
+export interface GetMoreCommand {
+  getMore: Long;
+  collection: string;
+  batchSize?: number;
+  maxTimeMS?: number;
+  /** Only supported on wire versions 10 or greater */
+  comment?: unknown;
+}
+
+/** @internal */
+export class GetMoreOperation extends AbstractOperation {
+  cursorId: Long;
+  override options: GetMoreOptions;
+
+  constructor(ns: MongoDBNamespace, cursorId: Long, server: Server, options: GetMoreOptions) {
+    super(options);
+
+    this.options = options;
+    this.ns = ns;
+    this.cursorId = cursorId;
+    this.server = server;
+  }
+
+  /**
+   * Although there is a server already associated with the get more operation, the signature
+   * for execute passes a server so we will just use that one.
+   */
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    if (server !== this.server) {
+      return callback(
+        new MongoRuntimeError('Getmore must run on the same server operation began on')
+      );
+    }
+
+    if (this.cursorId == null || this.cursorId.isZero()) {
+      return callback(new MongoRuntimeError('Unable to iterate cursor with no id'));
+    }
+
+    const collection = this.ns.collection;
+    if (collection == null) {
+      // Cursors should have adopted the namespace returned by MongoDB
+      // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+      return callback(new MongoRuntimeError('A collection name must be determined before getMore'));
+    }
+
+    const getMoreCmd: GetMoreCommand = {
+      getMore: this.cursorId,
+      collection
+    };
+
+    if (typeof this.options.batchSize === 'number') {
+      getMoreCmd.batchSize = Math.abs(this.options.batchSize);
+    }
+
+    if (typeof this.options.maxAwaitTimeMS === 'number') {
+      getMoreCmd.maxTimeMS = this.options.maxAwaitTimeMS;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (this.options.comment !== undefined && maxWireVersion(server) >= 9) {
+      getMoreCmd.comment = this.options.comment;
+    }
+
+    const commandOptions = {
+      returnFieldSelector: null,
+      documentsReturnedIn: 'nextBatch',
+      ...this.options
+    };
+
+    server.command(this.ns, getMoreCmd, commandOptions, callback);
+  }
+}
+
+defineAspects(GetMoreOperation, [Aspect.READ_OPERATION, Aspect.MUST_SELECT_SAME_SERVER]);

node_modules/mongodb/src/operations/indexes.ts

@@ -0,0 +1,500 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import { MongoCompatibilityError, MONGODB_ERROR_CODES, MongoServerError } from '../error';
+import type { OneOrMore } from '../mongo_types';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, isObject, maxWireVersion, MongoDBNamespace } from '../utils';
+import {
+  CollationOptions,
+  CommandOperation,
+  CommandOperationOptions,
+  OperationParent
+} from './command';
+import { indexInformation, IndexInformationOptions } from './common_functions';
+import { AbstractOperation, Aspect, defineAspects } from './operation';
+
+const VALID_INDEX_OPTIONS = new Set([
+  'background',
+  'unique',
+  'name',
+  'partialFilterExpression',
+  'sparse',
+  'hidden',
+  'expireAfterSeconds',
+  'storageEngine',
+  'collation',
+  'version',
+
+  // text indexes
+  'weights',
+  'default_language',
+  'language_override',
+  'textIndexVersion',
+
+  // 2d-sphere indexes
+  '2dsphereIndexVersion',
+
+  // 2d indexes
+  'bits',
+  'min',
+  'max',
+
+  // geoHaystack Indexes
+  'bucketSize',
+
+  // wildcard indexes
+  'wildcardProjection'
+]);
+
+/** @public */
+export type IndexDirection = -1 | 1 | '2d' | '2dsphere' | 'text' | 'geoHaystack' | number;
+function isIndexDirection(x: unknown): x is IndexDirection {
+  return (
+    typeof x === 'number' || x === '2d' || x === '2dsphere' || x === 'text' || x === 'geoHaystack'
+  );
+}
+/** @public */
+export type IndexSpecification = OneOrMore<
+  | string
+  | [string, IndexDirection]
+  | { [key: string]: IndexDirection }
+  | Map<string, IndexDirection>
+>;
+
+/** @public */
+export interface IndexDescription
+  extends Pick<
+    CreateIndexesOptions,
+    | 'background'
+    | 'unique'
+    | 'partialFilterExpression'
+    | 'sparse'
+    | 'hidden'
+    | 'expireAfterSeconds'
+    | 'storageEngine'
+    | 'version'
+    | 'weights'
+    | 'default_language'
+    | 'language_override'
+    | 'textIndexVersion'
+    | '2dsphereIndexVersion'
+    | 'bits'
+    | 'min'
+    | 'max'
+    | 'bucketSize'
+    | 'wildcardProjection'
+  > {
+  collation?: CollationOptions;
+  name?: string;
+  key: { [key: string]: IndexDirection } | Map<string, IndexDirection>;
+}
+
+/** @public */
+export interface CreateIndexesOptions extends CommandOperationOptions {
+  /** Creates the index in the background, yielding whenever possible. */
+  background?: boolean;
+  /** Creates an unique index. */
+  unique?: boolean;
+  /** Override the autogenerated index name (useful if the resulting name is larger than 128 bytes) */
+  name?: string;
+  /** Creates a partial index based on the given filter object (MongoDB 3.2 or higher) */
+  partialFilterExpression?: Document;
+  /** Creates a sparse index. */
+  sparse?: boolean;
+  /** Allows you to expire data on indexes applied to a data (MongoDB 2.2 or higher) */
+  expireAfterSeconds?: number;
+  /** Allows users to configure the storage engine on a per-index basis when creating an index. (MongoDB 3.0 or higher) */
+  storageEngine?: Document;
+  /** (MongoDB 4.4. or higher) Specifies how many data-bearing members of a replica set, including the primary, must complete the index builds successfully before the primary marks the indexes as ready. This option accepts the same values for the "w" field in a write concern plus "votingMembers", which indicates all voting data-bearing nodes. */
+  commitQuorum?: number | string;
+  /** Specifies the index version number, either 0 or 1. */
+  version?: number;
+  // text indexes
+  weights?: Document;
+  default_language?: string;
+  language_override?: string;
+  textIndexVersion?: number;
+  // 2d-sphere indexes
+  '2dsphereIndexVersion'?: number;
+  // 2d indexes
+  bits?: number;
+  /** For geospatial indexes set the lower bound for the co-ordinates. */
+  min?: number;
+  /** For geospatial indexes set the high bound for the co-ordinates. */
+  max?: number;
+  // geoHaystack Indexes
+  bucketSize?: number;
+  // wildcard indexes
+  wildcardProjection?: Document;
+  /** Specifies that the index should exist on the target collection but should not be used by the query planner when executing operations. (MongoDB 4.4 or higher) */
+  hidden?: boolean;
+}
+
+function isSingleIndexTuple(t: unknown): t is [string, IndexDirection] {
+  return Array.isArray(t) && t.length === 2 && isIndexDirection(t[1]);
+}
+
+function makeIndexSpec(
+  indexSpec: IndexSpecification,
+  options?: CreateIndexesOptions
+): IndexDescription {
+  const key: Map<string, IndexDirection> = new Map();
+
+  const indexSpecs =
+    !Array.isArray(indexSpec) || isSingleIndexTuple(indexSpec) ? [indexSpec] : indexSpec;
+
+  // Iterate through array and handle different types
+  for (const spec of indexSpecs) {
+    if (typeof spec === 'string') {
+      key.set(spec, 1);
+    } else if (Array.isArray(spec)) {
+      key.set(spec[0], spec[1] ?? 1);
+    } else if (spec instanceof Map) {
+      for (const [property, value] of spec) {
+        key.set(property, value);
+      }
+    } else if (isObject(spec)) {
+      for (const [property, value] of Object.entries(spec)) {
+        key.set(property, value);
+      }
+    }
+  }
+
+  return { ...options, key };
+}
+
+/** @internal */
+export class IndexesOperation extends AbstractOperation<Document[]> {
+  override options: IndexInformationOptions;
+  collection: Collection;
+
+  constructor(collection: Collection, options: IndexInformationOptions) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document[]>
+  ): void {
+    const coll = this.collection;
+    const options = this.options;
+
+    indexInformation(
+      coll.s.db,
+      coll.collectionName,
+      { full: true, ...options, readPreference: this.readPreference, session },
+      callback
+    );
+  }
+}
+
+/** @internal */
+export class CreateIndexesOperation<
+  T extends string | string[] = string[]
+> extends CommandOperation<T> {
+  override options: CreateIndexesOptions;
+  collectionName: string;
+  indexes: ReadonlyArray<Omit<IndexDescription, 'key'> & { key: Map<string, IndexDirection> }>;
+
+  constructor(
+    parent: OperationParent,
+    collectionName: string,
+    indexes: IndexDescription[],
+    options?: CreateIndexesOptions
+  ) {
+    super(parent, options);
+
+    this.options = options ?? {};
+    this.collectionName = collectionName;
+    this.indexes = indexes.map(userIndex => {
+      // Ensure the key is a Map to preserve index key ordering
+      const key =
+        userIndex.key instanceof Map ? userIndex.key : new Map(Object.entries(userIndex.key));
+      const name = userIndex.name != null ? userIndex.name : Array.from(key).flat().join('_');
+      const validIndexOptions = Object.fromEntries(
+        Object.entries({ ...userIndex }).filter(([optionName]) =>
+          VALID_INDEX_OPTIONS.has(optionName)
+        )
+      );
+      return {
+        ...validIndexOptions,
+        name,
+        key
+      };
+    });
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void {
+    const options = this.options;
+    const indexes = this.indexes;
+
+    const serverWireVersion = maxWireVersion(server);
+
+    const cmd: Document = { createIndexes: this.collectionName, indexes };
+
+    if (options.commitQuorum != null) {
+      if (serverWireVersion < 9) {
+        callback(
+          new MongoCompatibilityError(
+            'Option `commitQuorum` for `createIndexes` not supported on servers < 4.4'
+          )
+        );
+        return;
+      }
+      cmd.commitQuorum = options.commitQuorum;
+    }
+
+    // collation is set on each index, it should not be defined at the root
+    this.options.collation = undefined;
+
+    super.executeCommand(server, session, cmd, err => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      const indexNames = indexes.map(index => index.name || '');
+      callback(undefined, indexNames as T);
+    });
+  }
+}
+
+/** @internal */
+export class CreateIndexOperation extends CreateIndexesOperation<string> {
+  constructor(
+    parent: OperationParent,
+    collectionName: string,
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions
+  ) {
+    super(parent, collectionName, [makeIndexSpec(indexSpec, options)], options);
+  }
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<string>
+  ): void {
+    super.execute(server, session, (err, indexNames) => {
+      if (err || !indexNames) return callback(err);
+      return callback(undefined, indexNames[0]);
+    });
+  }
+}
+
+/** @internal */
+export class EnsureIndexOperation extends CreateIndexOperation {
+  db: Db;
+
+  constructor(
+    db: Db,
+    collectionName: string,
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions
+  ) {
+    super(db, collectionName, indexSpec, options);
+
+    this.readPreference = ReadPreference.primary;
+    this.db = db;
+    this.collectionName = collectionName;
+  }
+
+  override execute(server: Server, session: ClientSession | undefined, callback: Callback): void {
+    const indexName = this.indexes[0].name;
+    const cursor = this.db.collection(this.collectionName).listIndexes({ session });
+    cursor.toArray((err, indexes) => {
+      /// ignore "NamespaceNotFound" errors
+      if (err && (err as MongoServerError).code !== MONGODB_ERROR_CODES.NamespaceNotFound) {
+        return callback(err);
+      }
+
+      if (indexes) {
+        indexes = Array.isArray(indexes) ? indexes : [indexes];
+        if (indexes.some(index => index.name === indexName)) {
+          callback(undefined, indexName);
+          return;
+        }
+      }
+
+      super.execute(server, session, callback);
+    });
+  }
+}
+
+/** @public */
+export type DropIndexesOptions = CommandOperationOptions;
+
+/** @internal */
+export class DropIndexOperation extends CommandOperation<Document> {
+  override options: DropIndexesOptions;
+  collection: Collection;
+  indexName: string;
+
+  constructor(collection: Collection, indexName: string, options?: DropIndexesOptions) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collection = collection;
+    this.indexName = indexName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const cmd = { dropIndexes: this.collection.collectionName, index: this.indexName };
+    super.executeCommand(server, session, cmd, callback);
+  }
+}
+
+/** @internal */
+export class DropIndexesOperation extends DropIndexOperation {
+  constructor(collection: Collection, options: DropIndexesOptions) {
+    super(collection, '*', options);
+  }
+
+  override execute(server: Server, session: ClientSession | undefined, callback: Callback): void {
+    super.execute(server, session, err => {
+      if (err) return callback(err, false);
+      callback(undefined, true);
+    });
+  }
+}
+
+/** @public */
+export interface ListIndexesOptions extends CommandOperationOptions {
+  /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+  batchSize?: number;
+}
+
+/** @internal */
+export class ListIndexesOperation extends CommandOperation<Document> {
+  override options: ListIndexesOptions;
+  collectionNamespace: MongoDBNamespace;
+
+  constructor(collection: Collection, options?: ListIndexesOptions) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collectionNamespace = collection.s.namespace;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const serverWireVersion = maxWireVersion(server);
+
+    const cursor = this.options.batchSize ? { batchSize: this.options.batchSize } : {};
+
+    const command: Document = { listIndexes: this.collectionNamespace.collection, cursor };
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (serverWireVersion >= 9 && this.options.comment !== undefined) {
+      command.comment = this.options.comment;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @internal */
+export class IndexExistsOperation extends AbstractOperation<boolean> {
+  override options: IndexInformationOptions;
+  collection: Collection;
+  indexes: string | string[];
+
+  constructor(
+    collection: Collection,
+    indexes: string | string[],
+    options: IndexInformationOptions
+  ) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+    this.indexes = indexes;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    const coll = this.collection;
+    const indexes = this.indexes;
+
+    indexInformation(
+      coll.s.db,
+      coll.collectionName,
+      { ...this.options, readPreference: this.readPreference, session },
+      (err, indexInformation) => {
+        // If we have an error return
+        if (err != null) return callback(err);
+        // Let's check for the index names
+        if (!Array.isArray(indexes)) return callback(undefined, indexInformation[indexes] != null);
+        // Check in list of indexes
+        for (let i = 0; i < indexes.length; i++) {
+          if (indexInformation[indexes[i]] == null) {
+            return callback(undefined, false);
+          }
+        }
+
+        // All keys found return true
+        return callback(undefined, true);
+      }
+    );
+  }
+}
+
+/** @internal */
+export class IndexInformationOperation extends AbstractOperation<Document> {
+  override options: IndexInformationOptions;
+  db: Db;
+  name: string;
+
+  constructor(db: Db, name: string, options?: IndexInformationOptions) {
+    super(options);
+    this.options = options ?? {};
+    this.db = db;
+    this.name = name;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const db = this.db;
+    const name = this.name;
+
+    indexInformation(
+      db,
+      name,
+      { ...this.options, readPreference: this.readPreference, session },
+      callback
+    );
+  }
+}
+
+defineAspects(ListIndexesOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.CURSOR_CREATING
+]);
+defineAspects(CreateIndexesOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(CreateIndexOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(EnsureIndexOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(DropIndexOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(DropIndexesOperation, [Aspect.WRITE_OPERATION]);

node_modules/mongodb/src/operations/insert.ts

@@ -0,0 +1,158 @@
+import type { Document } from '../bson';
+import type { BulkWriteOptions } from '../bulk/common';
+import type { Collection } from '../collection';
+import { MongoInvalidArgumentError, MongoServerError } from '../error';
+import type { InferIdType } from '../mongo_types';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { WriteConcern } from '../write_concern';
+import { BulkWriteOperation } from './bulk_write';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { prepareDocs } from './common_functions';
+import { AbstractOperation, Aspect, defineAspects } from './operation';
+
+/** @internal */
+export class InsertOperation extends CommandOperation<Document> {
+  override options: BulkWriteOptions;
+  documents: Document[];
+
+  constructor(ns: MongoDBNamespace, documents: Document[], options: BulkWriteOptions) {
+    super(undefined, options);
+    this.options = { ...options, checkKeys: options.checkKeys ?? false };
+    this.ns = ns;
+    this.documents = documents;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const options = this.options ?? {};
+    const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+    const command: Document = {
+      insert: this.ns.collection,
+      documents: this.documents,
+      ordered
+    };
+
+    if (typeof options.bypassDocumentValidation === 'boolean') {
+      command.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @public */
+export interface InsertOneOptions extends CommandOperationOptions {
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** Force server to assign _id values instead of driver. */
+  forceServerObjectId?: boolean;
+}
+
+/** @public */
+export interface InsertOneResult<TSchema = Document> {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+  acknowledged: boolean;
+  /** The identifier that was inserted. If the server generated the identifier, this value will be null as the driver does not have access to that data */
+  insertedId: InferIdType<TSchema>;
+}
+
+export class InsertOneOperation extends InsertOperation {
+  constructor(collection: Collection, doc: Document, options: InsertOneOptions) {
+    super(collection.s.namespace, prepareDocs(collection, [doc], options), options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<InsertOneResult>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || res == null) return callback(err);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) {
+        // This should be a WriteError but we can't change it now because of error hierarchy
+        return callback(new MongoServerError(res.writeErrors[0]));
+      }
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        insertedId: this.documents[0]._id
+      });
+    });
+  }
+}
+
+/** @public */
+export interface InsertManyResult<TSchema = Document> {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+  acknowledged: boolean;
+  /** The number of inserted documents for this operations */
+  insertedCount: number;
+  /** Map of the index of the inserted document to the id of the inserted document */
+  insertedIds: { [key: number]: InferIdType<TSchema> };
+}
+
+/** @internal */
+export class InsertManyOperation extends AbstractOperation<InsertManyResult> {
+  override options: BulkWriteOptions;
+  collection: Collection;
+  docs: Document[];
+
+  constructor(collection: Collection, docs: Document[], options: BulkWriteOptions) {
+    super(options);
+
+    if (!Array.isArray(docs)) {
+      throw new MongoInvalidArgumentError('Argument "docs" must be an array of documents');
+    }
+
+    this.options = options;
+    this.collection = collection;
+    this.docs = docs;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<InsertManyResult>
+  ): void {
+    const coll = this.collection;
+    const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+    const writeConcern = WriteConcern.fromOptions(options);
+    const bulkWriteOperation = new BulkWriteOperation(
+      coll,
+      prepareDocs(coll, this.docs, options).map(document => ({ insertOne: { document } })),
+      options
+    );
+
+    bulkWriteOperation.execute(server, session, (err, res) => {
+      if (err || res == null) {
+        if (err && err.message === 'Operation must be an object with an operation key') {
+          err = new MongoInvalidArgumentError(
+            'Collection.insertMany() cannot be called with an array that has null/undefined values'
+          );
+        }
+        return callback(err);
+      }
+      callback(undefined, {
+        acknowledged: writeConcern?.w !== 0 ?? true,
+        insertedCount: res.insertedCount,
+        insertedIds: res.insertedIds
+      });
+    });
+  }
+}
+
+defineAspects(InsertOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION]);
+defineAspects(InsertOneOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION]);
+defineAspects(InsertManyOperation, [Aspect.WRITE_OPERATION]);

node_modules/mongodb/src/operations/is_capped.ts

@@ -0,0 +1,42 @@
+import type { Collection } from '../collection';
+import { MongoAPIError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, OperationOptions } from './operation';
+
+/** @internal */
+export class IsCappedOperation extends AbstractOperation<boolean> {
+  override options: OperationOptions;
+  collection: Collection;
+
+  constructor(collection: Collection, options: OperationOptions) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    const coll = this.collection;
+
+    coll.s.db
+      .listCollections(
+        { name: coll.collectionName },
+        { ...this.options, nameOnly: false, readPreference: this.readPreference, session }
+      )
+      .toArray((err, collections) => {
+        if (err || !collections) return callback(err);
+        if (collections.length === 0) {
+          // TODO(NODE-3485)
+          return callback(new MongoAPIError(`collection ${coll.namespace} not found`));
+        }
+
+        const collOptions = collections[0].options;
+        callback(undefined, !!(collOptions && collOptions.capped));
+      });
+  }
+}

node_modules/mongodb/src/operations/kill_cursors.ts

@@ -0,0 +1,53 @@
+import type { Long } from '../bson';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { AbstractOperation, Aspect, defineAspects, OperationOptions } from './operation';
+
+/**
+ * https://www.mongodb.com/docs/manual/reference/command/killCursors/
+ * @internal
+ */
+interface KillCursorsCommand {
+  killCursors: string;
+  cursors: Long[];
+  comment?: unknown;
+}
+
+export class KillCursorsOperation extends AbstractOperation {
+  cursorId: Long;
+
+  constructor(cursorId: Long, ns: MongoDBNamespace, server: Server, options: OperationOptions) {
+    super(options);
+    this.ns = ns;
+    this.cursorId = cursorId;
+    this.server = server;
+  }
+
+  execute(server: Server, session: ClientSession | undefined, callback: Callback<void>): void {
+    if (server !== this.server) {
+      return callback(
+        new MongoRuntimeError('Killcursor must run on the same server operation began on')
+      );
+    }
+
+    const killCursors = this.ns.collection;
+    if (killCursors == null) {
+      // Cursors should have adopted the namespace returned by MongoDB
+      // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+      return callback(
+        new MongoRuntimeError('A collection name must be determined before killCursors')
+      );
+    }
+
+    const killCursorsCommand: KillCursorsCommand = {
+      killCursors,
+      cursors: [this.cursorId]
+    };
+
+    server.command(this.ns, killCursorsCommand, { session }, () => callback());
+  }
+}
+
+defineAspects(KillCursorsOperation, [Aspect.MUST_SELECT_SAME_SERVER]);

node_modules/mongodb/src/operations/list_collections.ts

@@ -0,0 +1,91 @@
+import type { Binary, Document } from '../bson';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface ListCollectionsOptions extends CommandOperationOptions {
+  /** Since 4.0: If true, will only return the collection name in the response, and will omit additional info */
+  nameOnly?: boolean;
+  /** Since 4.0: If true and nameOnly is true, allows a user without the required privilege (i.e. listCollections action on the database) to run the command when access control is enforced. */
+  authorizedCollections?: boolean;
+  /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+  batchSize?: number;
+}
+
+/** @internal */
+export class ListCollectionsOperation extends CommandOperation<string[]> {
+  override options: ListCollectionsOptions;
+  db: Db;
+  filter: Document;
+  nameOnly: boolean;
+  authorizedCollections: boolean;
+  batchSize?: number;
+
+  constructor(db: Db, filter: Document, options?: ListCollectionsOptions) {
+    super(db, options);
+
+    this.options = options ?? {};
+    this.db = db;
+    this.filter = filter;
+    this.nameOnly = !!this.options.nameOnly;
+    this.authorizedCollections = !!this.options.authorizedCollections;
+
+    if (typeof this.options.batchSize === 'number') {
+      this.batchSize = this.options.batchSize;
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<string[]>
+  ): void {
+    return super.executeCommand(
+      server,
+      session,
+      this.generateCommand(maxWireVersion(server)),
+      callback
+    );
+  }
+
+  /* This is here for the purpose of unit testing the final command that gets sent. */
+  generateCommand(wireVersion: number): Document {
+    const command: Document = {
+      listCollections: 1,
+      filter: this.filter,
+      cursor: this.batchSize ? { batchSize: this.batchSize } : {},
+      nameOnly: this.nameOnly,
+      authorizedCollections: this.authorizedCollections
+    };
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (wireVersion >= 9 && this.options.comment !== undefined) {
+      command.comment = this.options.comment;
+    }
+
+    return command;
+  }
+}
+
+/** @public */
+export interface CollectionInfo extends Document {
+  name: string;
+  type?: string;
+  options?: Document;
+  info?: {
+    readOnly?: false;
+    uuid?: Binary;
+  };
+  idIndex?: Document;
+}
+
+defineAspects(ListCollectionsOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.CURSOR_CREATING
+]);

node_modules/mongodb/src/operations/list_databases.ts

@@ -0,0 +1,65 @@
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion, MongoDBNamespace } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface ListDatabasesResult {
+  databases: ({ name: string; sizeOnDisk?: number; empty?: boolean } & Document)[];
+  totalSize?: number;
+  totalSizeMb?: number;
+  ok: 1 | 0;
+}
+
+/** @public */
+export interface ListDatabasesOptions extends CommandOperationOptions {
+  /** A query predicate that determines which databases are listed */
+  filter?: Document;
+  /** A flag to indicate whether the command should return just the database names, or return both database names and size information */
+  nameOnly?: boolean;
+  /** A flag that determines which databases are returned based on the user privileges when access control is enabled */
+  authorizedDatabases?: boolean;
+}
+
+/** @internal */
+export class ListDatabasesOperation extends CommandOperation<ListDatabasesResult> {
+  override options: ListDatabasesOptions;
+
+  constructor(db: Db, options?: ListDatabasesOptions) {
+    super(db, options);
+    this.options = options ?? {};
+    this.ns = new MongoDBNamespace('admin', '$cmd');
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<ListDatabasesResult>
+  ): void {
+    const cmd: Document = { listDatabases: 1 };
+    if (this.options.nameOnly) {
+      cmd.nameOnly = Number(cmd.nameOnly);
+    }
+
+    if (this.options.filter) {
+      cmd.filter = this.options.filter;
+    }
+
+    if (typeof this.options.authorizedDatabases === 'boolean') {
+      cmd.authorizedDatabases = this.options.authorizedDatabases;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (maxWireVersion(server) >= 9 && this.options.comment !== undefined) {
+      cmd.comment = this.options.comment;
+    }
+
+    super.executeCommand(server, session, cmd, callback);
+  }
+}
+
+defineAspects(ListDatabasesOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE]);

node_modules/mongodb/src/operations/map_reduce.ts

@@ -0,0 +1,250 @@
+import type { ObjectId } from '../bson';
+import { Code, Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoServerError } from '../error';
+import { ReadPreference, ReadPreferenceMode } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Sort } from '../sort';
+import {
+  applyWriteConcern,
+  Callback,
+  decorateWithCollation,
+  decorateWithReadConcern,
+  isObject,
+  maxWireVersion
+} from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+const exclusionList = [
+  'explain',
+  'readPreference',
+  'readConcern',
+  'session',
+  'bypassDocumentValidation',
+  'writeConcern',
+  'raw',
+  'fieldsAsRaw',
+  'promoteLongs',
+  'promoteValues',
+  'promoteBuffers',
+  'bsonRegExp',
+  'serializeFunctions',
+  'ignoreUndefined',
+  'enableUtf8Validation',
+  'scope' // this option is reformatted thus exclude the original
+];
+
+/** @public */
+export type MapFunction<TSchema = Document> = (this: TSchema) => void;
+/** @public */
+export type ReduceFunction<TKey = ObjectId, TValue = any> = (key: TKey, values: TValue[]) => TValue;
+/** @public */
+export type FinalizeFunction<TKey = ObjectId, TValue = Document> = (
+  key: TKey,
+  reducedValue: TValue
+) => TValue;
+
+/** @public */
+export interface MapReduceOptions<TKey = ObjectId, TValue = Document>
+  extends CommandOperationOptions {
+  /** Sets the output target for the map reduce job. */
+  out?: 'inline' | { inline: 1 } | { replace: string } | { merge: string } | { reduce: string };
+  /** Query filter object. */
+  query?: Document;
+  /** Sorts the input objects using this key. Useful for optimization, like sorting by the emit key for fewer reduces. */
+  sort?: Sort;
+  /** Number of objects to return from collection. */
+  limit?: number;
+  /** Keep temporary data. */
+  keeptemp?: boolean;
+  /** Finalize function. */
+  finalize?: FinalizeFunction<TKey, TValue> | string;
+  /** Can pass in variables that can be access from map/reduce/finalize. */
+  scope?: Document;
+  /** It is possible to make the execution stay in JS. Provided in MongoDB \> 2.0.X. */
+  jsMode?: boolean;
+  /** Provide statistics on job execution time. */
+  verbose?: boolean;
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+}
+
+interface MapReduceStats {
+  processtime?: number;
+  counts?: number;
+  timing?: number;
+}
+
+/**
+ * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
+ * @internal
+ */
+export class MapReduceOperation extends CommandOperation<Document | Document[]> {
+  override options: MapReduceOptions;
+  collection: Collection;
+  /** The mapping function. */
+  map: MapFunction | string;
+  /** The reduce function. */
+  reduce: ReduceFunction | string;
+
+  /**
+   * Constructs a MapReduce operation.
+   *
+   * @param collection - Collection instance.
+   * @param map - The mapping function.
+   * @param reduce - The reduce function.
+   * @param options - Optional settings. See Collection.prototype.mapReduce for a list of options.
+   */
+  constructor(
+    collection: Collection,
+    map: MapFunction | string,
+    reduce: ReduceFunction | string,
+    options?: MapReduceOptions
+  ) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collection = collection;
+    this.map = map;
+    this.reduce = reduce;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document | Document[]>
+  ): void {
+    const coll = this.collection;
+    const map = this.map;
+    const reduce = this.reduce;
+    let options = this.options;
+
+    const mapCommandHash: Document = {
+      mapReduce: coll.collectionName,
+      map: map,
+      reduce: reduce
+    };
+
+    if (options.scope) {
+      mapCommandHash.scope = processScope(options.scope);
+    }
+
+    // Add any other options passed in
+    for (const n in options) {
+      // Only include if not in exclusion list
+      if (exclusionList.indexOf(n) === -1) {
+        mapCommandHash[n] = (options as any)[n];
+      }
+    }
+
+    options = Object.assign({}, options);
+
+    // If we have a read preference and inline is not set as output fail hard
+    if (
+      this.readPreference.mode === ReadPreferenceMode.primary &&
+      options.out &&
+      (options.out as any).inline !== 1 &&
+      options.out !== 'inline'
+    ) {
+      // Force readPreference to primary
+      options.readPreference = ReadPreference.primary;
+      // Decorate command with writeConcern if supported
+      applyWriteConcern(mapCommandHash, { db: coll.s.db, collection: coll }, options);
+    } else {
+      decorateWithReadConcern(mapCommandHash, coll, options);
+    }
+
+    // Is bypassDocumentValidation specified
+    if (options.bypassDocumentValidation === true) {
+      mapCommandHash.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    // Have we specified collation
+    try {
+      decorateWithCollation(mapCommandHash, coll, options);
+    } catch (err) {
+      return callback(err);
+    }
+
+    if (this.explain && maxWireVersion(server) < 9) {
+      callback(
+        new MongoCompatibilityError(`Server ${server.name} does not support explain on mapReduce`)
+      );
+      return;
+    }
+
+    // Execute command
+    super.executeCommand(server, session, mapCommandHash, (err, result) => {
+      if (err) return callback(err);
+      // Check if we have an error
+      if (1 !== result.ok || result.err || result.errmsg) {
+        return callback(new MongoServerError(result));
+      }
+
+      // If an explain option was executed, don't process the server results
+      if (this.explain) return callback(undefined, result);
+
+      // Create statistics value
+      const stats: MapReduceStats = {};
+      if (result.timeMillis) stats['processtime'] = result.timeMillis;
+      if (result.counts) stats['counts'] = result.counts;
+      if (result.timing) stats['timing'] = result.timing;
+
+      // invoked with inline?
+      if (result.results) {
+        // If we wish for no verbosity
+        if (options['verbose'] == null || !options['verbose']) {
+          return callback(undefined, result.results);
+        }
+
+        return callback(undefined, { results: result.results, stats: stats });
+      }
+
+      // The returned collection
+      let collection = null;
+
+      // If we have an object it's a different db
+      if (result.result != null && typeof result.result === 'object') {
+        const doc = result.result;
+        // Return a collection from another db
+        collection = coll.s.db.s.client.db(doc.db, coll.s.db.s.options).collection(doc.collection);
+      } else {
+        // Create a collection object that wraps the result collection
+        collection = coll.s.db.collection(result.result);
+      }
+
+      // If we wish for no verbosity
+      if (options['verbose'] == null || !options['verbose']) {
+        return callback(err, collection);
+      }
+
+      // Return stats as third set of values
+      callback(err, { collection, stats });
+    });
+  }
+}
+
+/** Functions that are passed as scope args must be converted to Code instances. */
+function processScope(scope: Document | ObjectId) {
+  if (!isObject(scope) || (scope as any)._bsontype === 'ObjectID') {
+    return scope;
+  }
+
+  const newScope: Document = {};
+
+  for (const key of Object.keys(scope)) {
+    if ('function' === typeof (scope as Document)[key]) {
+      newScope[key] = new Code(String((scope as Document)[key]));
+    } else if ((scope as Document)[key]._bsontype === 'Code') {
+      newScope[key] = (scope as Document)[key];
+    } else {
+      newScope[key] = processScope((scope as Document)[key]);
+    }
+  }
+
+  return newScope;
+}
+
+defineAspects(MapReduceOperation, [Aspect.EXPLAINABLE]);

node_modules/mongodb/src/operations/operation.ts

@@ -0,0 +1,125 @@
+import { BSONSerializeOptions, Document, resolveBSONOptions } from '../bson';
+import { ReadPreference, ReadPreferenceLike } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+
+export const Aspect = {
+  READ_OPERATION: Symbol('READ_OPERATION'),
+  WRITE_OPERATION: Symbol('WRITE_OPERATION'),
+  RETRYABLE: Symbol('RETRYABLE'),
+  EXPLAINABLE: Symbol('EXPLAINABLE'),
+  SKIP_COLLATION: Symbol('SKIP_COLLATION'),
+  CURSOR_CREATING: Symbol('CURSOR_CREATING'),
+  MUST_SELECT_SAME_SERVER: Symbol('MUST_SELECT_SAME_SERVER')
+} as const;
+
+/** @public */
+export type Hint = string | Document;
+
+export interface OperationConstructor extends Function {
+  aspects?: Set<symbol>;
+}
+
+/** @public */
+export interface OperationOptions extends BSONSerializeOptions {
+  /** Specify ClientSession for this command */
+  session?: ClientSession;
+  willRetryWrite?: boolean;
+
+  /** The preferred read preference (ReadPreference.primary, ReadPreference.primary_preferred, ReadPreference.secondary, ReadPreference.secondary_preferred, ReadPreference.nearest). */
+  readPreference?: ReadPreferenceLike;
+
+  /** @internal Hints to `executeOperation` that this operation should not unpin on an ended transaction */
+  bypassPinningCheck?: boolean;
+  omitReadPreference?: boolean;
+}
+
+/** @internal */
+const kSession = Symbol('session');
+
+/**
+ * This class acts as a parent class for any operation and is responsible for setting this.options,
+ * as well as setting and getting a session.
+ * Additionally, this class implements `hasAspect`, which determines whether an operation has
+ * a specific aspect.
+ * @internal
+ */
+export abstract class AbstractOperation<TResult = any> {
+  ns!: MongoDBNamespace;
+  cmd!: Document;
+  readPreference: ReadPreference;
+  server!: Server;
+  bypassPinningCheck: boolean;
+  trySecondaryWrite: boolean;
+
+  // BSON serialization options
+  bsonOptions?: BSONSerializeOptions;
+
+  options: OperationOptions;
+
+  [kSession]: ClientSession | undefined;
+
+  constructor(options: OperationOptions = {}) {
+    this.readPreference = this.hasAspect(Aspect.WRITE_OPERATION)
+      ? ReadPreference.primary
+      : ReadPreference.fromOptions(options) ?? ReadPreference.primary;
+
+    // Pull the BSON serialize options from the already-resolved options
+    this.bsonOptions = resolveBSONOptions(options);
+
+    this[kSession] = options.session != null ? options.session : undefined;
+
+    this.options = options;
+    this.bypassPinningCheck = !!options.bypassPinningCheck;
+    this.trySecondaryWrite = false;
+  }
+
+  abstract execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<TResult>
+  ): void;
+
+  hasAspect(aspect: symbol): boolean {
+    const ctor = this.constructor as OperationConstructor;
+    if (ctor.aspects == null) {
+      return false;
+    }
+
+    return ctor.aspects.has(aspect);
+  }
+
+  get session(): ClientSession | undefined {
+    return this[kSession];
+  }
+
+  clearSession() {
+    this[kSession] = undefined;
+  }
+
+  get canRetryRead(): boolean {
+    return true;
+  }
+
+  get canRetryWrite(): boolean {
+    return true;
+  }
+}
+
+export function defineAspects(
+  operation: OperationConstructor,
+  aspects: symbol | symbol[] | Set<symbol>
+): Set<symbol> {
+  if (!Array.isArray(aspects) && !(aspects instanceof Set)) {
+    aspects = [aspects];
+  }
+
+  aspects = new Set(aspects);
+  Object.defineProperty(operation, 'aspects', {
+    value: aspects,
+    writable: false
+  });
+
+  return aspects;
+}

node_modules/mongodb/src/operations/options_operation.ts

@@ -0,0 +1,42 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoAPIError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, OperationOptions } from './operation';
+
+/** @internal */
+export class OptionsOperation extends AbstractOperation<Document> {
+  override options: OperationOptions;
+  collection: Collection;
+
+  constructor(collection: Collection, options: OperationOptions) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const coll = this.collection;
+
+    coll.s.db
+      .listCollections(
+        { name: coll.collectionName },
+        { ...this.options, nameOnly: false, readPreference: this.readPreference, session }
+      )
+      .toArray((err, collections) => {
+        if (err || !collections) return callback(err);
+        if (collections.length === 0) {
+          // TODO(NODE-3485)
+          return callback(new MongoAPIError(`collection ${coll.namespace} not found`));
+        }
+
+        callback(err, collections[0].options);
+      });
+  }
+}

node_modules/mongodb/src/operations/profiling_level.ts

@@ -0,0 +1,39 @@
+import type { Db } from '../db';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+/** @public */
+export type ProfilingLevelOptions = CommandOperationOptions;
+
+/** @internal */
+export class ProfilingLevelOperation extends CommandOperation<string> {
+  override options: ProfilingLevelOptions;
+
+  constructor(db: Db, options: ProfilingLevelOptions) {
+    super(db, options);
+    this.options = options;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<string>
+  ): void {
+    super.executeCommand(server, session, { profile: -1 }, (err, doc) => {
+      if (err == null && doc.ok === 1) {
+        const was = doc.was;
+        if (was === 0) return callback(undefined, 'off');
+        if (was === 1) return callback(undefined, 'slow_only');
+        if (was === 2) return callback(undefined, 'all');
+        // TODO(NODE-3483)
+        return callback(new MongoRuntimeError(`Illegal profiling level value ${was}`));
+      } else {
+        // TODO(NODE-3483): Consider MongoUnexpectedServerResponseError
+        err != null ? callback(err) : callback(new MongoRuntimeError('Error with profile command'));
+      }
+    });
+  }
+}

node_modules/mongodb/src/operations/remove_user.ts

@@ -0,0 +1,33 @@
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export type RemoveUserOptions = CommandOperationOptions;
+
+/** @internal */
+export class RemoveUserOperation extends CommandOperation<boolean> {
+  override options: RemoveUserOptions;
+  username: string;
+
+  constructor(db: Db, username: string, options: RemoveUserOptions) {
+    super(db, options);
+    this.options = options;
+    this.username = username;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    super.executeCommand(server, session, { dropUser: this.username }, err => {
+      callback(err, err ? false : true);
+    });
+  }
+}
+
+defineAspects(RemoveUserOperation, [Aspect.WRITE_OPERATION]);

node_modules/mongodb/src/operations/rename.ts

@@ -0,0 +1,67 @@
+import type { Document } from '../bson';
+import { Collection } from '../collection';
+import { MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, checkCollectionName } from '../utils';
+import type { CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+import { RunAdminCommandOperation } from './run_command';
+
+/** @public */
+export interface RenameOptions extends CommandOperationOptions {
+  /** Drop the target name collection if it previously exists. */
+  dropTarget?: boolean;
+  /** Unclear */
+  new_collection?: boolean;
+}
+
+/** @internal */
+export class RenameOperation extends RunAdminCommandOperation {
+  override options: RenameOptions;
+  collection: Collection;
+  newName: string;
+
+  constructor(collection: Collection, newName: string, options: RenameOptions) {
+    // Check the collection name
+    checkCollectionName(newName);
+
+    // Build the command
+    const renameCollection = collection.namespace;
+    const toCollection = collection.s.namespace.withCollection(newName).toString();
+    const dropTarget = typeof options.dropTarget === 'boolean' ? options.dropTarget : false;
+    const cmd = { renameCollection: renameCollection, to: toCollection, dropTarget: dropTarget };
+
+    super(collection, cmd, options);
+    this.options = options;
+    this.collection = collection;
+    this.newName = newName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Collection>
+  ): void {
+    const coll = this.collection;
+
+    super.execute(server, session, (err, doc) => {
+      if (err) return callback(err);
+      // We have an error
+      if (doc?.errmsg) {
+        return callback(new MongoServerError(doc));
+      }
+
+      let newColl: Collection<Document>;
+      try {
+        newColl = new Collection(coll.s.db, this.newName, coll.s.options);
+      } catch (err) {
+        return callback(err);
+      }
+
+      return callback(undefined, newColl);
+    });
+  }
+}
+
+defineAspects(RenameOperation, [Aspect.WRITE_OPERATION]);

node_modules/mongodb/src/operations/run_command.ts

@@ -0,0 +1,36 @@
+import type { Document } from '../bson';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, MongoDBNamespace } from '../utils';
+import { CommandOperation, CommandOperationOptions, OperationParent } from './command';
+
+/** @public */
+export type RunCommandOptions = CommandOperationOptions;
+
+/** @internal */
+export class RunCommandOperation<T = Document> extends CommandOperation<T> {
+  override options: RunCommandOptions;
+  command: Document;
+
+  constructor(parent: OperationParent | undefined, command: Document, options?: RunCommandOptions) {
+    super(parent, options);
+    this.options = options ?? {};
+    this.command = command;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void {
+    const command = this.command;
+    this.executeCommand(server, session, command, callback);
+  }
+}
+
+export class RunAdminCommandOperation<T = Document> extends RunCommandOperation<T> {
+  constructor(parent: OperationParent | undefined, command: Document, options?: RunCommandOptions) {
+    super(parent, command, options);
+    this.ns = new MongoDBNamespace('admin');
+  }
+}

node_modules/mongodb/src/operations/set_profiling_level.ts

@@ -0,0 +1,74 @@
+import type { Db } from '../db';
+import { MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { enumToString } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+const levelValues = new Set(['off', 'slow_only', 'all']);
+
+/** @public */
+export const ProfilingLevel = Object.freeze({
+  off: 'off',
+  slowOnly: 'slow_only',
+  all: 'all'
+} as const);
+
+/** @public */
+export type ProfilingLevel = typeof ProfilingLevel[keyof typeof ProfilingLevel];
+
+/** @public */
+export type SetProfilingLevelOptions = CommandOperationOptions;
+
+/** @internal */
+export class SetProfilingLevelOperation extends CommandOperation<ProfilingLevel> {
+  override options: SetProfilingLevelOptions;
+  level: ProfilingLevel;
+  profile: 0 | 1 | 2;
+
+  constructor(db: Db, level: ProfilingLevel, options: SetProfilingLevelOptions) {
+    super(db, options);
+    this.options = options;
+    switch (level) {
+      case ProfilingLevel.off:
+        this.profile = 0;
+        break;
+      case ProfilingLevel.slowOnly:
+        this.profile = 1;
+        break;
+      case ProfilingLevel.all:
+        this.profile = 2;
+        break;
+      default:
+        this.profile = 0;
+        break;
+    }
+
+    this.level = level;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<ProfilingLevel>
+  ): void {
+    const level = this.level;
+
+    if (!levelValues.has(level)) {
+      return callback(
+        new MongoInvalidArgumentError(
+          `Profiling level must be one of "${enumToString(ProfilingLevel)}"`
+        )
+      );
+    }
+
+    // TODO(NODE-3483): Determine error to put here
+    super.executeCommand(server, session, { profile: this.profile }, (err, doc) => {
+      if (err == null && doc.ok === 1) return callback(undefined, level);
+      return err != null
+        ? callback(err)
+        : callback(new MongoRuntimeError('Error with profile command'));
+    });
+  }
+}

node_modules/mongodb/src/operations/stats.ts

@@ -0,0 +1,271 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface CollStatsOptions extends CommandOperationOptions {
+  /** Divide the returned sizes by scale value. */
+  scale?: number;
+}
+
+/**
+ * Get all the collection statistics.
+ * @internal
+ */
+export class CollStatsOperation extends CommandOperation<Document> {
+  override options: CollStatsOptions;
+  collectionName: string;
+
+  /**
+   * Construct a Stats operation.
+   *
+   * @param collection - Collection instance
+   * @param options - Optional settings. See Collection.prototype.stats for a list of options.
+   */
+  constructor(collection: Collection, options?: CollStatsOptions) {
+    super(collection, options);
+    this.options = options ?? {};
+    this.collectionName = collection.collectionName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<CollStats>
+  ): void {
+    const command: Document = { collStats: this.collectionName };
+    if (this.options.scale != null) {
+      command.scale = this.options.scale;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @public */
+export interface DbStatsOptions extends CommandOperationOptions {
+  /** Divide the returned sizes by scale value. */
+  scale?: number;
+}
+
+/** @internal */
+export class DbStatsOperation extends CommandOperation<Document> {
+  override options: DbStatsOptions;
+
+  constructor(db: Db, options: DbStatsOptions) {
+    super(db, options);
+    this.options = options;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const command: Document = { dbStats: true };
+    if (this.options.scale != null) {
+      command.scale = this.options.scale;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/**
+ * @public
+ * @see https://docs.mongodb.org/manual/reference/command/collStats/
+ */
+export interface CollStats extends Document {
+  /** Namespace */
+  ns: string;
+  /** Number of documents */
+  count: number;
+  /** Collection size in bytes */
+  size: number;
+  /** Average object size in bytes */
+  avgObjSize: number;
+  /** (Pre)allocated space for the collection in bytes */
+  storageSize: number;
+  /** Number of extents (contiguously allocated chunks of datafile space) */
+  numExtents: number;
+  /** Number of indexes */
+  nindexes: number;
+  /** Size of the most recently created extent in bytes */
+  lastExtentSize: number;
+  /** Padding can speed up updates if documents grow */
+  paddingFactor: number;
+  /** A number that indicates the user-set flags on the collection. userFlags only appears when using the mmapv1 storage engine */
+  userFlags?: number;
+  /** Total index size in bytes */
+  totalIndexSize: number;
+  /** Size of specific indexes in bytes */
+  indexSizes: {
+    _id_: number;
+    [index: string]: number;
+  };
+  /** `true` if the collection is capped */
+  capped: boolean;
+  /** The maximum number of documents that may be present in a capped collection */
+  max: number;
+  /** The maximum size of a capped collection */
+  maxSize: number;
+  /** This document contains data reported directly by the WiredTiger engine and other data for internal diagnostic use */
+  wiredTiger?: WiredTigerData;
+  /** The fields in this document are the names of the indexes, while the values themselves are documents that contain statistics for the index provided by the storage engine */
+  indexDetails?: any;
+  ok: number;
+
+  /** The amount of storage available for reuse. The scale argument affects this value. */
+  freeStorageSize?: number;
+  /** An array that contains the names of the indexes that are currently being built on the collection */
+  indexBuilds?: number;
+  /** The sum of the storageSize and totalIndexSize. The scale argument affects this value */
+  totalSize: number;
+  /** The scale value used by the command. */
+  scaleFactor: number;
+}
+
+/** @public */
+export interface WiredTigerData extends Document {
+  LSM: {
+    'bloom filter false positives': number;
+    'bloom filter hits': number;
+    'bloom filter misses': number;
+    'bloom filter pages evicted from cache': number;
+    'bloom filter pages read into cache': number;
+    'bloom filters in the LSM tree': number;
+    'chunks in the LSM tree': number;
+    'highest merge generation in the LSM tree': number;
+    'queries that could have benefited from a Bloom filter that did not exist': number;
+    'sleep for LSM checkpoint throttle': number;
+    'sleep for LSM merge throttle': number;
+    'total size of bloom filters': number;
+  } & Document;
+  'block-manager': {
+    'allocations requiring file extension': number;
+    'blocks allocated': number;
+    'blocks freed': number;
+    'checkpoint size': number;
+    'file allocation unit size': number;
+    'file bytes available for reuse': number;
+    'file magic number': number;
+    'file major version number': number;
+    'file size in bytes': number;
+    'minor version number': number;
+  };
+  btree: {
+    'btree checkpoint generation': number;
+    'column-store fixed-size leaf pages': number;
+    'column-store internal pages': number;
+    'column-store variable-size RLE encoded values': number;
+    'column-store variable-size deleted values': number;
+    'column-store variable-size leaf pages': number;
+    'fixed-record size': number;
+    'maximum internal page key size': number;
+    'maximum internal page size': number;
+    'maximum leaf page key size': number;
+    'maximum leaf page size': number;
+    'maximum leaf page value size': number;
+    'maximum tree depth': number;
+    'number of key/value pairs': number;
+    'overflow pages': number;
+    'pages rewritten by compaction': number;
+    'row-store internal pages': number;
+    'row-store leaf pages': number;
+  } & Document;
+  cache: {
+    'bytes currently in the cache': number;
+    'bytes read into cache': number;
+    'bytes written from cache': number;
+    'checkpoint blocked page eviction': number;
+    'data source pages selected for eviction unable to be evicted': number;
+    'hazard pointer blocked page eviction': number;
+    'in-memory page passed criteria to be split': number;
+    'in-memory page splits': number;
+    'internal pages evicted': number;
+    'internal pages split during eviction': number;
+    'leaf pages split during eviction': number;
+    'modified pages evicted': number;
+    'overflow pages read into cache': number;
+    'overflow values cached in memory': number;
+    'page split during eviction deepened the tree': number;
+    'page written requiring lookaside records': number;
+    'pages read into cache': number;
+    'pages read into cache requiring lookaside entries': number;
+    'pages requested from the cache': number;
+    'pages written from cache': number;
+    'pages written requiring in-memory restoration': number;
+    'tracked dirty bytes in the cache': number;
+    'unmodified pages evicted': number;
+  } & Document;
+  cache_walk: {
+    'Average difference between current eviction generation when the page was last considered': number;
+    'Average on-disk page image size seen': number;
+    'Clean pages currently in cache': number;
+    'Current eviction generation': number;
+    'Dirty pages currently in cache': number;
+    'Entries in the root page': number;
+    'Internal pages currently in cache': number;
+    'Leaf pages currently in cache': number;
+    'Maximum difference between current eviction generation when the page was last considered': number;
+    'Maximum page size seen': number;
+    'Minimum on-disk page image size seen': number;
+    'On-disk page image sizes smaller than a single allocation unit': number;
+    'Pages created in memory and never written': number;
+    'Pages currently queued for eviction': number;
+    'Pages that could not be queued for eviction': number;
+    'Refs skipped during cache traversal': number;
+    'Size of the root page': number;
+    'Total number of pages currently in cache': number;
+  } & Document;
+  compression: {
+    'compressed pages read': number;
+    'compressed pages written': number;
+    'page written failed to compress': number;
+    'page written was too small to compress': number;
+    'raw compression call failed, additional data available': number;
+    'raw compression call failed, no additional data available': number;
+    'raw compression call succeeded': number;
+  } & Document;
+  cursor: {
+    'bulk-loaded cursor-insert calls': number;
+    'create calls': number;
+    'cursor-insert key and value bytes inserted': number;
+    'cursor-remove key bytes removed': number;
+    'cursor-update value bytes updated': number;
+    'insert calls': number;
+    'next calls': number;
+    'prev calls': number;
+    'remove calls': number;
+    'reset calls': number;
+    'restarted searches': number;
+    'search calls': number;
+    'search near calls': number;
+    'truncate calls': number;
+    'update calls': number;
+  };
+  reconciliation: {
+    'dictionary matches': number;
+    'fast-path pages deleted': number;
+    'internal page key bytes discarded using suffix compression': number;
+    'internal page multi-block writes': number;
+    'internal-page overflow keys': number;
+    'leaf page key bytes discarded using prefix compression': number;
+    'leaf page multi-block writes': number;
+    'leaf-page overflow keys': number;
+    'maximum blocks required for a page': number;
+    'overflow values written': number;
+    'page checksum matches': number;
+    'page reconciliation calls': number;
+    'page reconciliation calls for eviction': number;
+    'pages deleted': number;
+  } & Document;
+}
+
+defineAspects(CollStatsOperation, [Aspect.READ_OPERATION]);
+defineAspects(DbStatsOperation, [Aspect.READ_OPERATION]);

node_modules/mongodb/src/operations/update.ts

@@ -0,0 +1,334 @@
+import type { Document, ObjectId } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoInvalidArgumentError, MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import {
+  Callback,
+  collationNotSupported,
+  hasAtomicOperators,
+  maxWireVersion,
+  MongoDBNamespace
+} from '../utils';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/** @public */
+export interface UpdateOptions extends CommandOperationOptions {
+  /** A set of filters specifying to which array elements an update should apply */
+  arrayFilters?: Document[];
+  /** If true, allows the write to opt-out of document level validation */
+  bypassDocumentValidation?: boolean;
+  /** Specifies a collation */
+  collation?: CollationOptions;
+  /** Specify that the update query should only consider plans using the hinted index */
+  hint?: string | Document;
+  /** When true, creates a new document if no document matches the query */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @public */
+export interface UpdateResult {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+  acknowledged: boolean;
+  /** The number of documents that matched the filter */
+  matchedCount: number;
+  /** The number of documents that were modified */
+  modifiedCount: number;
+  /** The number of documents that were upserted */
+  upsertedCount: number;
+  /** The identifier of the inserted document if an upsert took place */
+  upsertedId: ObjectId;
+}
+
+/** @public */
+export interface UpdateStatement {
+  /** The query that matches documents to update. */
+  q: Document;
+  /** The modifications to apply. */
+  u: Document | Document[];
+  /**  If true, perform an insert if no documents match the query. */
+  upsert?: boolean;
+  /** If true, updates all documents that meet the query criteria. */
+  multi?: boolean;
+  /** Specifies the collation to use for the operation. */
+  collation?: CollationOptions;
+  /** An array of filter documents that determines which array elements to modify for an update operation on an array field. */
+  arrayFilters?: Document[];
+  /** A document or string that specifies the index to use to support the query predicate. */
+  hint?: Hint;
+}
+
+/** @internal */
+export class UpdateOperation extends CommandOperation<Document> {
+  override options: UpdateOptions & { ordered?: boolean };
+  statements: UpdateStatement[];
+
+  constructor(
+    ns: MongoDBNamespace,
+    statements: UpdateStatement[],
+    options: UpdateOptions & { ordered?: boolean }
+  ) {
+    super(undefined, options);
+    this.options = options;
+    this.ns = ns;
+
+    this.statements = statements;
+  }
+
+  override get canRetryWrite(): boolean {
+    if (super.canRetryWrite === false) {
+      return false;
+    }
+
+    return this.statements.every(op => op.multi == null || op.multi === false);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const options = this.options ?? {};
+    const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+    const command: Document = {
+      update: this.ns.collection,
+      updates: this.statements,
+      ordered
+    };
+
+    if (typeof options.bypassDocumentValidation === 'boolean') {
+      command.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    if (options.let) {
+      command.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    const statementWithCollation = this.statements.find(statement => !!statement.collation);
+    if (
+      collationNotSupported(server, options) ||
+      (statementWithCollation && collationNotSupported(server, statementWithCollation))
+    ) {
+      callback(new MongoCompatibilityError(`Server ${server.name} does not support collation`));
+      return;
+    }
+
+    const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+    if (unacknowledgedWrite || maxWireVersion(server) < 5) {
+      if (this.statements.find((o: Document) => o.hint)) {
+        callback(new MongoCompatibilityError(`Servers < 3.4 do not support hint on update`));
+        return;
+      }
+    }
+
+    if (this.explain && maxWireVersion(server) < 3) {
+      callback(
+        new MongoCompatibilityError(`Server ${server.name} does not support explain on update`)
+      );
+      return;
+    }
+
+    if (this.statements.some(statement => !!statement.arrayFilters) && maxWireVersion(server) < 6) {
+      callback(
+        new MongoCompatibilityError('Option "arrayFilters" is only supported on MongoDB 3.6+')
+      );
+      return;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @internal */
+export class UpdateOneOperation extends UpdateOperation {
+  constructor(collection: Collection, filter: Document, update: Document, options: UpdateOptions) {
+    super(
+      collection.s.namespace,
+      [makeUpdateStatement(filter, update, { ...options, multi: false })],
+      options
+    );
+
+    if (!hasAtomicOperators(update)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<UpdateResult | Document>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || !res) return callback(err);
+      if (this.explain != null) return callback(undefined, res);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        modifiedCount: res.nModified != null ? res.nModified : res.n,
+        upsertedId:
+          Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+        upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+        matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+      });
+    });
+  }
+}
+
+/** @internal */
+export class UpdateManyOperation extends UpdateOperation {
+  constructor(collection: Collection, filter: Document, update: Document, options: UpdateOptions) {
+    super(
+      collection.s.namespace,
+      [makeUpdateStatement(filter, update, { ...options, multi: true })],
+      options
+    );
+
+    if (!hasAtomicOperators(update)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<UpdateResult | Document>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || !res) return callback(err);
+      if (this.explain != null) return callback(undefined, res);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        modifiedCount: res.nModified != null ? res.nModified : res.n,
+        upsertedId:
+          Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+        upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+        matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+      });
+    });
+  }
+}
+
+/** @public */
+export interface ReplaceOptions extends CommandOperationOptions {
+  /** If true, allows the write to opt-out of document level validation */
+  bypassDocumentValidation?: boolean;
+  /** Specifies a collation */
+  collation?: CollationOptions;
+  /** Specify that the update query should only consider plans using the hinted index */
+  hint?: string | Document;
+  /** When true, creates a new document if no document matches the query */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @internal */
+export class ReplaceOneOperation extends UpdateOperation {
+  constructor(
+    collection: Collection,
+    filter: Document,
+    replacement: Document,
+    options: ReplaceOptions
+  ) {
+    super(
+      collection.s.namespace,
+      [makeUpdateStatement(filter, replacement, { ...options, multi: false })],
+      options
+    );
+
+    if (hasAtomicOperators(replacement)) {
+      throw new MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<UpdateResult | Document>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || !res) return callback(err);
+      if (this.explain != null) return callback(undefined, res);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        modifiedCount: res.nModified != null ? res.nModified : res.n,
+        upsertedId:
+          Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+        upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+        matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+      });
+    });
+  }
+}
+
+export function makeUpdateStatement(
+  filter: Document,
+  update: Document,
+  options: UpdateOptions & { multi?: boolean }
+): UpdateStatement {
+  if (filter == null || typeof filter !== 'object') {
+    throw new MongoInvalidArgumentError('Selector must be a valid JavaScript object');
+  }
+
+  if (update == null || typeof update !== 'object') {
+    throw new MongoInvalidArgumentError('Document must be a valid JavaScript object');
+  }
+
+  const op: UpdateStatement = { q: filter, u: update };
+  if (typeof options.upsert === 'boolean') {
+    op.upsert = options.upsert;
+  }
+
+  if (options.multi) {
+    op.multi = options.multi;
+  }
+
+  if (options.hint) {
+    op.hint = options.hint;
+  }
+
+  if (options.arrayFilters) {
+    op.arrayFilters = options.arrayFilters;
+  }
+
+  if (options.collation) {
+    op.collation = options.collation;
+  }
+
+  return op;
+}
+
+defineAspects(UpdateOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION, Aspect.SKIP_COLLATION]);
+defineAspects(UpdateOneOperation, [
+  Aspect.RETRYABLE,
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
+defineAspects(UpdateManyOperation, [
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
+defineAspects(ReplaceOneOperation, [
+  Aspect.RETRYABLE,
+  Aspect.WRITE_OPERATION,
+  Aspect.SKIP_COLLATION
+]);

node_modules/mongodb/src/operations/validate_collection.ts

@@ -0,0 +1,59 @@
+import type { Admin } from '../admin';
+import type { Document } from '../bson';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+/** @public */
+export interface ValidateCollectionOptions extends CommandOperationOptions {
+  /** Validates a collection in the background, without interrupting read or write traffic (only in MongoDB 4.4+) */
+  background?: boolean;
+}
+
+/** @internal */
+export class ValidateCollectionOperation extends CommandOperation<Document> {
+  override options: ValidateCollectionOptions;
+  collectionName: string;
+  command: Document;
+
+  constructor(admin: Admin, collectionName: string, options: ValidateCollectionOptions) {
+    // Decorate command with extra options
+    const command: Document = { validate: collectionName };
+    const keys = Object.keys(options);
+    for (let i = 0; i < keys.length; i++) {
+      if (Object.prototype.hasOwnProperty.call(options, keys[i]) && keys[i] !== 'session') {
+        command[keys[i]] = (options as Document)[keys[i]];
+      }
+    }
+
+    super(admin.s.db, options);
+    this.options = options;
+    this.command = command;
+    this.collectionName = collectionName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const collectionName = this.collectionName;
+
+    super.executeCommand(server, session, this.command, (err, doc) => {
+      if (err != null) return callback(err);
+
+      // TODO(NODE-3483): Replace these with MongoUnexpectedServerResponseError
+      if (doc.ok === 0) return callback(new MongoRuntimeError('Error with validate command'));
+      if (doc.result != null && typeof doc.result !== 'string')
+        return callback(new MongoRuntimeError('Error with validation data'));
+      if (doc.result != null && doc.result.match(/exception|corrupt/) != null)
+        return callback(new MongoRuntimeError(`Invalid collection ${collectionName}`));
+      if (doc.valid != null && !doc.valid)
+        return callback(new MongoRuntimeError(`Invalid collection ${collectionName}`));
+
+      return callback(undefined, doc);
+    });
+  }
+}