Ports changes from #20258 to v4 (#20828)

diff --git a/Gruntfile.js b/Gruntfile.js
index 2b9c1889924f85cf49a06908950b1b4043baec11..bc7d009f0ade796cccfac9ef8b5e83827969d1ba 100644 (file)
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -170,6 +170,7 @@ module.exports = function (grunt) {
         compatibility: 'ie9',
         keepSpecialComments: '*',
         sourceMap: true,
+        sourceMapInlineSources: true,
         advanced: false
       },
       core: {