From 960879f9d64a2b0013e9b14e626921de996f62b9 Mon Sep 17 00:00:00 2001
From: Niklas Mischkulnig <mischnic@users.noreply.github.com>
Date: Fri, 24 Apr 2020 17:10:54 +0200
Subject: [PATCH] Fix

---
 packages/core/core/src/PackagerRunner.js | 6 +++++-
 packages/packagers/js/src/JSPackager.js  | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/core/core/src/PackagerRunner.js b/packages/core/core/src/PackagerRunner.js
index 35ad6f35c75..6399056bf7a 100644
--- a/packages/core/core/src/PackagerRunner.js
+++ b/packages/core/core/src/PackagerRunner.js
@@ -460,7 +460,11 @@ export default class PackagerRunner {
     };
 
     let mapKey = cacheKeys.map;
-    if (await this.options.cache.blobExists(mapKey)) {
+    let o = bundle.target.sourceMap ?? this.options.sourceMaps;
+    if (
+      (typeof o === 'object' ? !o.inline : o) &&
+      (await this.options.cache.blobExists(mapKey))
+    ) {
       let mapStream = this.options.cache.getStream(mapKey);
       await writeFileStream(
         outputFS,
diff --git a/packages/packagers/js/src/JSPackager.js b/packages/packagers/js/src/JSPackager.js
index 1b14b014e47..fa074453573 100644
--- a/packages/packagers/js/src/JSPackager.js
+++ b/packages/packagers/js/src/JSPackager.js
@@ -84,7 +84,7 @@ export default new Packager({
         queue.add(async () => {
           let [code, mapBuffer] = await Promise.all([
             node.value.getCode(),
-            node.value.getMapBuffer(),
+            bundle.target.sourceMap && node.value.getMapBuffer(),
           ]);
           return {code, mapBuffer};
         });