Next release/version simple

src/components/Layout/Layout.tsx

@@ -145,8 +145,8 @@ export const Layout = ({
     currentPlatform = platform
       ? platform
       : PLATFORMS.includes(asPathPlatform)
-      ? asPathPlatform
-      : DEFAULT_PLATFORM;
+        ? asPathPlatform
+        : DEFAULT_PLATFORM;
   }
 
   const title = [
@@ -186,8 +186,7 @@ export const Layout = ({
   if (isGen2) {
     menu = <Menu rootMenuNode={rootMenuNode} />;
   } else if (isPrev) {
-    let prevNode = findDirectoryNode('/[platform]/prev');
-    menu = <Menu currentPlatform={currentPlatform} rootMenuNode={prevNode} />;
+    menu = <Menu currentPlatform={currentPlatform} rootMenuNode={rootMenuNode} isPrev={true} />
   }
 
   return (

src/components/Menu/Menu.tsx

@@ -2,21 +2,35 @@ import { ReactElement } from 'react';
 import { MenuItem } from './MenuItem';
 import { Platform } from '@/data/platforms';
 import { PageNode } from 'src/directory/directory';
+import { findDirectoryNode } from '@/utils/findDirectoryNode';
+import { BUILD_A_BACKEND, PREV_BUILD_A_BACKEND } from '@/data/routes';
 
 type MenuProps = {
   currentPlatform?: Platform;
   rootMenuNode: PageNode | undefined;
+  isPrev?: boolean;
 };
 
 const invalidChildren = ['/[platform]/prev'];
 
 export function Menu({
   currentPlatform,
-  rootMenuNode
+  rootMenuNode,
+  isPrev = false
 }: MenuProps): ReactElement {
   let childrenNodes = rootMenuNode?.children?.filter((childNode) => {
     return invalidChildren.indexOf(childNode.route) === -1;
   });
+  if (isPrev) {
+    // replace build a backend with previous build a backend
+    const buildABackend = findDirectoryNode(PREV_BUILD_A_BACKEND);
+    childrenNodes = childrenNodes?.map((child) => {
+      if (child.route === BUILD_A_BACKEND) {
+        return buildABackend;
+      }
+      return child;
+    });
+  }
 
   return (
     <nav className="menu">

src/components/VersionSwitcher/index.tsx

@@ -6,6 +6,7 @@ import { IconCheck } from '@/components/Icons';
 import { PLATFORM_VERSIONS } from '@/data/platforms';
 import classNames from 'classnames';
 import { trackVersionChange } from '@/utils/track';
+import { BUILD_A_BACKEND, PREV_BUILD_A_BACKEND } from '@/data/routes';
 
 const findRoute = (platform, isPrev) => {
   const router = useRouter();
@@ -23,7 +24,7 @@ export const VersionSwitcher = ({ platform, isPrev, ...rest }) => {
   const router = useRouter();
   const versions = PLATFORM_VERSIONS[platform];
   const switchPath = findRoute(platform, isPrev);
-  let path = isPrev ? '/[platform]' : '/[platform]/prev';
+  let path = isPrev ? BUILD_A_BACKEND : PREV_BUILD_A_BACKEND;
   if (switchPath) path = switchPath;
 
   const inactiveHref = {

src/data/routes.ts

@@ -0,0 +1,3 @@
+export const BUILD_A_BACKEND = '/[platform]/build-a-backend';
+
+export const PREV_BUILD_A_BACKEND = '/[platform]/prev/build-a-backend';