Use expression that won't be eliminated by babel

vercel · Jan 9, 2020 · 91be8a2 · 91be8a2
1 parent 5e9df56
commit 91be8a2
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/packages/next/client/next-dev.js b/packages/next/client/next-dev.js
@@ -1,3 +1,4 @@
+/* globals __REPLACE_NOOP_IMPORT__ */
 import initNext, * as next from './'
 import EventSourcePolyfill from './dev/event-source-polyfill'
 import initOnDemandEntries from './dev/on-demand-entries-client'
@@ -10,7 +11,8 @@ import { displayContent } from './dev/fouc'
 // https://github.com/zeit/next.js/issues/3775#issuecomment-407438123
 // The runtimeChunk doesn't have dynamic import handling code when there hasn't been a dynamic import
 // The runtimeChunk can't hot reload itself currently to correct it when adding pages using on-demand-entries
-// REPLACE_NOOP_IMPORT
+// eslint-disable-next-line no-unused-expressions
+__REPLACE_NOOP_IMPORT__
 
 // Support EventSource on Internet Explorer 11
 if (!window.EventSource) {

diff --git a/packages/next/taskfile-babel.js b/packages/next/taskfile-babel.js
@@ -10,6 +10,7 @@ module.exports = function(task) {
     const options = {
       ...babelOpts,
       compact: true,
+      comments: false,
       babelrc: false,
       configFile: false,
       filename: file.base,
@@ -30,7 +31,7 @@ module.exports = function(task) {
     // Workaround for noop.js loading
     if (file.base === 'next-dev.js') {
       output.code = output.code.replace(
-        '// REPLACE_NOOP_IMPORT',
+        '__REPLACE_NOOP_IMPORT__',
         `import('./dev/noop');`
       )
     }