fix(NODE-4556): attempt to use exported BSON (#443)

Author: durran

lib/autoEncrypter.js

@@ -8,6 +8,7 @@ module.exports = function (modules) {
   const MongocryptdManager = require('./mongocryptdManager').MongocryptdManager;
   const MongoClient = modules.mongodb.MongoClient;
   const MongoError = modules.mongodb.MongoError;
+  const BSON = modules.mongodb.BSON;
   const cryptoCallbacks = require('./cryptoCallbacks');
 
   /**
@@ -91,7 +92,7 @@ module.exports = function (modules) {
      */
     constructor(client, options) {
       this._client = client;
-      this._bson = options.bson || client.topology.bson;
+      this._bson = options.bson || BSON || client.topology.bson;
       this._bypassEncryption = options.bypassAutoEncryption === true;
 
       this._keyVaultNamespace = options.keyVaultNamespace || 'admin.datakeys';

lib/clientEncryption.js

@@ -7,6 +7,7 @@ module.exports = function (modules) {
   const collectionNamespace = common.collectionNamespace;
   const promiseOrCallback = common.promiseOrCallback;
   const StateMachine = modules.stateMachine.StateMachine;
+  const BSON = modules.mongodb.BSON;
   const cryptoCallbacks = require('./cryptoCallbacks');
   const { promisify } = require('util');
 
@@ -99,7 +100,7 @@ module.exports = function (modules) {
      */
     constructor(client, options) {
       this._client = client;
-      this._bson = options.bson || client.topology.bson;
+      this._bson = options.bson || BSON || client.topology.bson;
       this._proxyOptions = options.proxyOptions;
       this._tlsOptions = options.tlsOptions;
 

package-lock.json

@@ -40,7 +40,6 @@
     "socks": "^2.6.1"
   },
   "devDependencies": {
-    "bson": "^4.6.4",
     "chai": "^4.3.6",
     "chai-subset": "^1.6.0",
     "chalk": "^4.1.2",
@@ -51,7 +50,7 @@
     "eslint-plugin-prettier": "^4.0.0",
     "jsdoc-to-markdown": "^7.1.1",
     "mocha": "^9.2.0",
-    "mongodb": "^4.6.0",
+    "mongodb": "^4.9.0",
     "node-gyp": "^8.4.1",
     "prebuild": "^11.0.2",
     "prettier": "^2.5.1",