From 77c543d7c67febb91b30366ffe2ccb26deb5211b Mon Sep 17 00:00:00 2001
From: Adam Reis <adam@reis.nz>
Date: Tue, 7 Nov 2017 20:31:58 +1300
Subject: [PATCH 1/2] Accept multiple paths or array of paths to depopulate

- `Document.depopulate()` now accepts an array of paths, e.g. `['some', 'path', 'other.path']`
- `Document.depopulate()` now accepts space separated paths, e.g. `'some path other.path'`
- Fixes #5797
---
 lib/document.js | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/lib/document.js b/lib/document.js
index 0a489eb5494..4d0ba9190c5 100644
--- a/lib/document.js
+++ b/lib/document.js
@@ -2592,12 +2592,17 @@ Document.prototype.populated = function(path, val, options) {
  */
 
 Document.prototype.depopulate = function(path) {
-  var populatedIds = this.populated(path);
-  if (!populatedIds) {
-    return;
+  if (typeof path === 'string') {
+    path = path.split(' ');
+  }
+  for (const p of path) {
+    var populatedIds = this.populated(p);
+    if (!populatedIds) {
+      continue;
+    }
+    delete this.$__.populated[p];
+    this.$set(p, populatedIds);
   }
-  delete this.$__.populated[path];
-  this.$set(path, populatedIds);
   return this;
 };
 

From 3b07c00a444b51b1700615cdf64e71b8de0a1c6f Mon Sep 17 00:00:00 2001
From: Adam Reis <adam@reis.nz>
Date: Tue, 7 Nov 2017 20:35:57 +1300
Subject: [PATCH 2/2] Use old school ES5 just in case

---
 lib/document.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/document.js b/lib/document.js
index 4d0ba9190c5..b994048d380 100644
--- a/lib/document.js
+++ b/lib/document.js
@@ -2595,13 +2595,13 @@ Document.prototype.depopulate = function(path) {
   if (typeof path === 'string') {
     path = path.split(' ');
   }
-  for (const p of path) {
-    var populatedIds = this.populated(p);
+  for (var i = 0; i < path.length; i++) {
+    var populatedIds = this.populated(path[i]);
     if (!populatedIds) {
       continue;
     }
-    delete this.$__.populated[p];
-    this.$set(p, populatedIds);
+    delete this.$__.populated[path[i]];
+    this.$set(path[i], populatedIds);
   }
   return this;
 };