Add assetPrefix

- Only when not on latest version
- Remove `move-built-files` script

gatsby-config.js

@@ -1,6 +1,7 @@
 const path = require('path');
 const { global } = require('@storybook/design-system');
 const siteMetadata = require('./site-metadata');
+const getReleaseBranch = require('./src/util/get-release-branch');
 
 require('dotenv').config({
   path: `.env.${process.env.NODE_ENV}`,
@@ -14,7 +15,13 @@ module.exports = {
     PRESERVE_WEBPACK_CACHE: true,
     FAST_DEV: true,
     QUERY_ON_DEMAND: true,
+    ...(!isLatest && {
+      PREFIX_PATHS: true,
+    }),
   },
+  ...(!isLatest && {
+    assetPrefix: getReleaseBranch(versionString),
+  }),
   plugins: [
     'gatsby-plugin-react-helmet',
     'gatsby-plugin-typescript',

gatsby-node.js

@@ -8,6 +8,7 @@ const { toc: docsToc } = require('./src/content/docs/toc');
 const addStateToToc = require('./src/util/add-state-to-toc');
 const buildPathWithFramework = require('./src/util/build-path-with-framework');
 const createAddonsPages = require('./src/util/create-addons-pages');
+const getReleaseBranch = require('./src/util/get-release-branch');
 
 const VERSION_PARTS_REGEX = /^(\d+\.\d+)(?:\.\d+)?-?(\w+)?(?:\.\d+$)?/;
 
@@ -284,8 +285,6 @@ exports.createPages = ({ actions, graphql }) => {
   });
 };
 
-const getReleaseBranch = (version) => `release-${version.replace('.', '-')}`;
-
 function getVersionData(distTag) {
   const versionFile = `./src/content/docs/versions/${distTag}.json`;
   if (!fs.existsSync(versionFile)) {

package.json

@@ -80,7 +80,6 @@
     "extract-monorepo-docs": "./scripts/extract-monorepo-docs.sh",
     "prebuild": "yarn extract-monorepo-docs",
     "build": "gatsby build",
-    "postbuild": "./scripts/move-built-files.sh",
     "serve": "gatsby serve",
     "develop": "gatsby develop",
     "clean": "gatsby clean",

src/util/get-release-branch.js

@@ -0,0 +1,3 @@
+module.exports = function getReleaseBranch(version) {
+  return `release-${version.replace('.', '-')}`;
+};