From 0f790b37e31ce7434d1d7f38779a95cb78d4046a Mon Sep 17 00:00:00 2001
From: Jori Lallo <jtlallo@gmail.com>
Date: Tue, 23 Jan 2018 22:38:18 -0800
Subject: [PATCH] moved to fs read

---
 server/utils/prefetchTags.js | 42 +++++++++++++++++++-----------------
 1 file changed, 22 insertions(+), 20 deletions(-)

diff --git a/server/utils/prefetchTags.js b/server/utils/prefetchTags.js
index 4534e84cd..b48720a4b 100644
--- a/server/utils/prefetchTags.js
+++ b/server/utils/prefetchTags.js
@@ -1,5 +1,7 @@
 // @flow
 import React from 'react';
+import fs from 'fs';
+import path from 'path';
 import webpackConfig from '../../webpack.config';
 
 const PUBLIC_PATH = webpackConfig.output.publicPath;
@@ -8,26 +10,26 @@ const prefetchTags = [
   <link rel="dns-prefetch" href={process.env.AWS_S3_UPLOAD_BUCKET_URL} />,
 ];
 
-if (process.env.NODE_ENV === 'production') {
-  try {
-    const manifest = require('../../dist/manifest.json');
-    Object.values(manifest).forEach(filename => {
-      if (typeof filename !== 'string') return;
-      if (filename.endsWith('.js')) {
-        prefetchTags.push(
-          <link rel="prefetch" href={`${PUBLIC_PATH}${filename}`} as="script" />
-        );
-      } else if (filename.endsWith('.css')) {
-        prefetchTags.push(
-          <link rel="prefetch" href={`${PUBLIC_PATH}${filename}`} as="style" />
-        );
-      }
-    });
-  } catch (_e) {
-    console.warn(
-      'Warning: Unable to load dist/manifest.json. Please `yarn build` before starting production server'
-    );
-  }
+try {
+  const manifest = fs.readFileSync(
+    path.join(__dirname, '../../dist/manifest.json'),
+    'utf8'
+  );
+  const manifestData = JSON.parse(manifest);
+  Object.values(manifestData).forEach(filename => {
+    if (typeof filename !== 'string') return;
+    if (filename.endsWith('.js')) {
+      prefetchTags.push(
+        <link rel="prefetch" href={`${PUBLIC_PATH}${filename}`} as="script" />
+      );
+    } else if (filename.endsWith('.css')) {
+      prefetchTags.push(
+        <link rel="prefetch" href={`${PUBLIC_PATH}${filename}`} as="style" />
+      );
+    }
+  });
+} catch (_e) {
+  // no-op
 }
 
 export default prefetchTags;