From 0b6176bacffc9cf2ae84cc1109b0f0ec7c3190d8 Mon Sep 17 00:00:00 2001
From: Robin Malfait <malfait.robin@gmail.com>
Date: Fri, 18 Jun 2021 15:37:52 +0200
Subject: [PATCH] Fix media queries for postcss7 (#4695)

This fixes a postcss7 issues where .append() does not clear the children
---
 src/util/pluginUtils.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/util/pluginUtils.js b/src/util/pluginUtils.js
index 1ef78e56e73e..8d67f35e015c 100644
--- a/src/util/pluginUtils.js
+++ b/src/util/pluginUtils.js
@@ -82,7 +82,9 @@ export function transformAllSelectors(transformSelector, { wrap, withRule } = {}
 
     if (wrap) {
       let wrapper = wrap()
-      wrapper.append(container.nodes)
+      let nodes = container.nodes
+      container.removeAll()
+      wrapper.append(nodes)
       container.append(wrapper)
     }
   }
@@ -102,7 +104,9 @@ export function transformAllClasses(transformClass, { wrap, withRule } = {}) {
 
     if (wrap) {
       let wrapper = wrap()
-      wrapper.append(container.nodes)
+      let nodes = container.nodes
+      container.removeAll()
+      wrapper.append(nodes)
       container.append(wrapper)
     }
   }
@@ -122,7 +126,9 @@ export function transformLastClasses(transformClass, { wrap, withRule } = {}) {
 
     if (wrap) {
       let wrapper = wrap()
-      wrapper.append(container.nodes)
+      let nodes = container.nodes
+      container.removeAll()
+      wrapper.append(nodes)
       container.append(wrapper)
     }
   }