feat(query): add options parameter to Query.prototype.sort()

Fix #14365

lib/query.js

@@ -2861,19 +2861,27 @@ Query.prototype.distinct = function(field, conditions) {
  * Cannot be used with `distinct()`
  *
  * @param {Object|String|Array<Array<(string | number)>>} arg
+ * @param {Object} [options]
+ * @param {Boolean} [options.override=false] If true, replace existing sort options with `arg`
  * @return {Query} this
  * @see cursor.sort https://www.mongodb.com/docs/manual/reference/method/cursor.sort/
  * @api public
  */
 
-Query.prototype.sort = function(arg) {
-  if (arguments.length > 1) {
-    throw new Error('sort() only takes 1 Argument');
+Query.prototype.sort = function(arg, options) {
+  if (arguments.length > 2) {
+    throw new Error('sort() takes at most 2 arguments');
+  }
+  if (options != null && typeof options !== 'object') {
+    throw new Error('sort() options argument must be an object or nullish');
   }
 
   if (this.options.sort == null) {
     this.options.sort = {};
   }
+  if (options && options.override) {
+    this.options.sort = {};
+  }
   const sort = this.options.sort;
   if (typeof arg === 'string') {
     const properties = arg.indexOf(' ') === -1 ? [arg] : arg.split(' ');

test/query.test.js

@@ -795,7 +795,7 @@ describe('Query', function() {
         e = err;
       }
       assert.ok(e, 'uh oh. no error was thrown');
-      assert.equal(e.message, 'sort() only takes 1 Argument');
+      assert.equal(e.message, 'sort() takes at most 2 arguments');
 
     });
   });
@@ -4191,4 +4191,27 @@ describe('Query', function() {
     assert.strictEqual(doc.account.owner, undefined);
     assert.strictEqual(doc.account.taxIds, undefined);
   });
+
+  it('allows overriding sort (gh-14365)', function() {
+    const testSchema = new mongoose.Schema({
+      name: String
+    });
+
+    const Test = db.model('Test', testSchema);
+
+    const q = Test.find().select('name').sort({ name: -1, _id: -1 });
+    assert.deepStrictEqual(q.getOptions().sort, { name: -1, _id: -1 });
+
+    q.sort({ name: 1 }, { override: true });
+    assert.deepStrictEqual(q.getOptions().sort, { name: 1 });
+
+    q.sort(null, { override: true });
+    assert.deepStrictEqual(q.getOptions().sort, {});
+
+    q.sort({ _id: 1 }, { override: true });
+    assert.deepStrictEqual(q.getOptions().sort, { _id: 1 });
+
+    q.sort({}, { override: true });
+    assert.deepStrictEqual(q.getOptions().sort, {});
+  });
 });

types/query.d.ts

@@ -715,7 +715,10 @@ declare module 'mongoose' {
     slice(val: number | Array<number>): this;
 
     /** Sets the sort order. If an object is passed, values allowed are `asc`, `desc`, `ascending`, `descending`, `1`, and `-1`. */
-    sort(arg?: string | { [key: string]: SortOrder | { $meta: any } } | [string, SortOrder][] | undefined | null): this;
+    sort(
+      arg?: string | { [key: string]: SortOrder | { $meta: any } } | [string, SortOrder][] | undefined | null,
+      options?: { override?: boolean }
+    ): this;
 
     /** Sets the tailable option (for use with capped collections). */
     tailable(bool?: boolean, opts?: {