build config updated

copying robots.txt moved to separate script
export script merged with build script

next.config.js

@@ -1,7 +1,6 @@
 const withCss = require('@zeit/next-css')
 const withSass = require('@zeit/next-sass')
 const { range } = require('lodash')
-const fs = require('fs').promises
 
 function createPath(page, map, query, items) {
     return items.reduce((acc, path) => {
@@ -24,8 +23,6 @@ module.exports = withCss(withSass({
         // secondSecret: process.env.SECOND_SECRET // Pass through env variables
     },
     exportPathMap: async (defaultPathMap, { dev }) => {
-        await fs.copyFile('./public/robots.txt', './dist/robots.txt')
-        
         if (dev) {
             return null
         }

package.json

@@ -7,9 +7,8 @@
     "scripts": {
         "start": "NODE_ENV=production node src/server.js",
         "dev": "node src/server.js",
-        "next": "next",
-        "build": "next build",
-        "export": "npm run build && next export -o dist && npm run sitemap && npm run feed",
+        "build": "next build && next export -o dist && npm run sitemap && npm run feed && npm run robots-txt",
+        "robots-txt": "node scripts/robots-txt.js",
         "sitemap": "node scripts/sitemap.js",
         "feed": "node scripts/feed.js",
         "test": "mocha --compilers js:babel-register"

scripts/robots-txt.js

@@ -0,0 +1,5 @@
+const fs = require('fs').promises;
+
+(async () => {
+    await fs.copyFile('public/robots.txt', 'dist/robots.txt')
+})()