Fix wc spread at the mongoclient level remains

Author: nbbeeken

src/connection_string.ts

@@ -1199,8 +1199,10 @@ export const OPTIONS = {
     target: 'writeConcern',
     transform({ name, options, values: [value] }): WriteConcern {
       const wc = WriteConcern.fromOptions({
-        ...options.writeConcern,
-        fsync: getBoolean(name, value)
+        writeConcern: {
+          ...options.writeConcern,
+          fsync: getBoolean(name, value)
+        }
       });
       if (!wc) throw new TypeError(`Unable to make a writeConcern from fsync=${value}`);
       return wc;
@@ -1216,10 +1218,11 @@ export const OPTIONS = {
   j: {
     target: 'writeConcern',
     transform({ name, options, values: [value] }): WriteConcern {
-      console.warn('j is deprecated');
       const wc = WriteConcern.fromOptions({
-        ...options.writeConcern,
-        journal: getBoolean(name, value)
+        writeConcern: {
+          ...options.writeConcern,
+          journal: getBoolean(name, value)
+        }
       });
       if (!wc) throw new TypeError(`Unable to make a writeConcern from journal=${value}`);
       return wc;
@@ -1229,8 +1232,10 @@ export const OPTIONS = {
     target: 'writeConcern',
     transform({ name, options, values: [value] }): WriteConcern {
       const wc = WriteConcern.fromOptions({
-        ...options.writeConcern,
-        journal: getBoolean(name, value)
+        writeConcern: {
+          ...options.writeConcern,
+          journal: getBoolean(name, value)
+        }
       });
       if (!wc) throw new TypeError(`Unable to make a writeConcern from journal=${value}`);
       return wc;
@@ -1516,7 +1521,7 @@ export const OPTIONS = {
   w: {
     target: 'writeConcern',
     transform({ values: [value], options }) {
-      return WriteConcern.fromOptions({ ...options.writeConcern, w: value as W });
+      return WriteConcern.fromOptions({ writeConcern: { ...options.writeConcern, w: value as W } });
     }
   },
   waitQueueTimeoutMS: {
@@ -1528,8 +1533,10 @@ export const OPTIONS = {
     transform({ values: [value], options }) {
       if (isRecord(value)) {
         return WriteConcern.fromOptions({
-          ...options.writeConcern,
-          ...value
+          writeConcern: {
+            ...options.writeConcern,
+            ...value
+          }
         });
       }
       throw new MongoParseError(`WriteConcern must be an object, got ${JSON.stringify(value)}`);
@@ -1539,8 +1546,10 @@ export const OPTIONS = {
     target: 'writeConcern',
     transform({ values: [value], options }) {
       const wc = WriteConcern.fromOptions({
-        ...options.writeConcern,
-        wtimeout: getUint('wtimeout', value)
+        writeConcern: {
+          ...options.writeConcern,
+          wtimeout: getUint('wtimeout', value)
+        }
       });
       if (wc) return wc;
       throw new MongoParseError(`Cannot make WriteConcern from wtimeout`);
@@ -1550,8 +1559,10 @@ export const OPTIONS = {
     target: 'writeConcern',
     transform({ values: [value], options }) {
       const wc = WriteConcern.fromOptions({
-        ...options.writeConcern,
-        wtimeoutMS: getUint('wtimeoutMS', value)
+        writeConcern: {
+          ...options.writeConcern,
+          wtimeoutMS: getUint('wtimeoutMS', value)
+        }
       });
       if (wc) return wc;
       throw new MongoParseError(`Cannot make WriteConcern from wtimeout`);

src/mongo_client.ts

@@ -3,7 +3,7 @@ import { EventEmitter } from 'events';
 import { ChangeStream, ChangeStreamOptions } from './change_stream';
 import { ReadPreference, ReadPreferenceModeId } from './read_preference';
 import { MongoError, AnyError } from './error';
-import { WriteConcern, WriteConcernOptions, W } from './write_concern';
+import { WriteConcern, W, WriteConcernSettings } from './write_concern';
 import { maybePromise, MongoDBNamespace, Callback, resolveOptions } from './utils';
 import { deprecate } from 'util';
 import { connect, validOptions } from './operations/connect';
@@ -134,13 +134,19 @@ export interface MongoURIOptions {
   // username and password in Authority section not query string.
   username?: string;
   password?: string;
+
+  // remove in NODE-2704
+  fsync?: boolean;
+  w?: W;
+  j?: boolean;
+  journal?: boolean;
+  wtimeout?: number;
+  wtimeoutMS?: number;
+  writeConcern?: WriteConcern | WriteConcernSettings;
 }
 
 /** @public */
-export interface MongoClientOptions
-  extends WriteConcernOptions,
-    MongoURIOptions,
-    BSONSerializeOptions {
+export interface MongoClientOptions extends MongoURIOptions, BSONSerializeOptions {
   /** Validate mongod server certificate against Certificate Authority */
   sslValidate?: boolean;
   /** SSL Certificate store binary buffer. */