From 7ad25fd0958cb39c8595a0d667e9bc0f4c0250f4 Mon Sep 17 00:00:00 2001
From: clintharris <github@kxpost.net>
Date: Sat, 1 Jun 2019 13:09:11 -0400
Subject: [PATCH] Fixes 3076: HMR update breaks in webworker due to window (and
 location.reload) not existing in web worker context. (#3078)

---
 packages/core/parcel-bundler/src/builtins/hmr-runtime.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/core/parcel-bundler/src/builtins/hmr-runtime.js b/packages/core/parcel-bundler/src/builtins/hmr-runtime.js
index 526a10d20cd..ae91e67cddf 100644
--- a/packages/core/parcel-bundler/src/builtins/hmr-runtime.js
+++ b/packages/core/parcel-bundler/src/builtins/hmr-runtime.js
@@ -59,8 +59,8 @@ if ((!parent || !parent.isParcelRequire) && typeof WebSocket !== 'undefined') {
         assetsToAccept.forEach(function (v) {
           hmrAcceptRun(v[0], v[1]);
         });
-      } else {
-        window.location.reload();
+      } else if (location.reload) { // `location` global exists in a web worker context but lacks `.reload()` function.
+        location.reload();
       }
     }