From e47b669add02cb753aeb70033cbebe873fca3109 Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Mon, 30 Jul 2018 18:41:47 -0400
Subject: [PATCH] fix(populate): make error reported when no `localField`
 specified catchable

Fix #6767
---
 docs/source/api.js | 4 +---
 lib/model.js       | 2 +-
 lib/query.js       | 2 ++
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/docs/source/api.js b/docs/source/api.js
index f4807a8773e..0f4b60265c8 100644
--- a/docs/source/api.js
+++ b/docs/source/api.js
@@ -104,9 +104,7 @@ function parse() {
         }
       }
 
-      if (ctx.string.includes('Model')) {
-        console.log(ctx);
-      }
+      console.log(ctx);
 
       // Backwards compat
       if (typeof ctx.constructor === 'string') {
diff --git a/lib/model.js b/lib/model.js
index 6af12b84388..309d1047049 100644
--- a/lib/model.js
+++ b/lib/model.js
@@ -3946,7 +3946,7 @@ function getModelsMapForPopulate(model, docs, options) {
     }
 
     if (virtual && (!localField || !foreignField)) {
-      throw new Error('If you are populating a virtual, you must set the ' +
+      return new Error('If you are populating a virtual, you must set the ' +
         'localField and foreignField options');
     }
 
diff --git a/lib/query.js b/lib/query.js
index f78ef43b726..eb2efdd9e1b 100644
--- a/lib/query.js
+++ b/lib/query.js
@@ -1180,6 +1180,8 @@ Query.prototype.wtimeout = function wtimeout(ms) {
  *
  * Read more about how to use read concern [here](https://docs.mongodb.com/manual/reference/read-concern/).
  *
+ * @memberOf Query
+ * @method readConcern
  * @param {String} level one of the listed read concern level or their aliases
  * @see mongodb https://docs.mongodb.com/manual/reference/read-concern/
  * @return {Query} this