Publish Stable

- @vercel/build-utils@3.1.1
 - vercel@24.2.5
 - @vercel/client@11.0.4
 - @vercel/frameworks@1.0.0
 - @vercel/go@1.4.4
 - @vercel/next@2.9.0
 - @vercel/node@1.15.4
 - @vercel/python@2.3.4
 - @vercel/redwood@0.8.4
 - @vercel/remix@0.0.2
 - @vercel/ruby@1.3.7
 - @vercel/static-build@0.26.0

.github/CONTRIBUTING.md

@@ -23,7 +23,7 @@ Make sure all the tests pass before making changes.
 
 ## Verifying your change
 
-Once you are done with your changes (we even suggest doing it along the way), make sure all the test still pass by running:
+Once you are done with your changes (we even suggest doing it along the way), make sure all the tests still pass by running:
 
 ```
 yarn test-unit
@@ -64,7 +64,7 @@ Integration tests create deployments to your Vercel account using the `test` pro
       x-now-trace=iad1]
 ```
 
-In such cases you can visit the URL of the failed deployment and append `/_logs` so see the build error. In the case above, that would be https://test-8ashcdlew.vercel.app/_logs
+In such cases, you can visit the URL of the failed deployment and append `/_logs` to see the build error. In the case above, that would be https://test-8ashcdlew.vercel.app/_logs
 
 The logs of this deployment will contain the actual error which may help you to understand what went wrong.
 
@@ -82,11 +82,11 @@ nodeFileTrace(['path/to/entrypoint.js'], {
   .then(e => console.error(e));
 ```
 
-When you run this script, you'll see all imported files. If anything file is missing, the bug is in [@vercel/nft](https://github.com/vercel/nft) and not the Builder.
+When you run this script, you'll see all the imported files. If anything file is missing, the bug is in [@vercel/nft](https://github.com/vercel/nft) and not the Builder.
 
 ## Deploy a Builder with existing project
 
-Sometimes you want to test changes to a Builder against an existing project, maybe with `vercel dev` or an actual deployment. You can avoid publishing every Builder change to npm by uploading the Builder as a tarball.
+Sometimes you want to test changes to a Builder against an existing project, maybe with `vercel dev` or actual deployment. You can avoid publishing every Builder change to npm by uploading the Builder as a tarball.
 
 1. Change directory to the desired Builder `cd ./packages/node`
 2. Run `yarn build` to compile typescript and other build steps

.github/workflows/test-integration-cli.yml

@@ -16,13 +16,15 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        node: [12]
+        node: [14]
     runs-on: ${{ matrix.os }}
-    env:
-      TURBO_REMOTE_ONLY: true
-      TURBO_TEAM: vercel
-      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
     steps:
+      - name: Conditionally set remote env
+        if: github.event.pull_request.head.repo.full_name == github.repository
+        run: |
+            echo "TURBO_REMOTE_ONLY=true" >> $GITHUB_ENV
+            echo "TURBO_TEAM=vercel" >> $GITHUB_ENV
+            echo "TURBO_TOKEN=${{ secrets.TURBO_TOKEN }}" >> $GITHUB_ENV
       - uses: actions/setup-go@v2
         with:
           go-version: '1.13.15'

.github/workflows/test-unit.yml

@@ -18,11 +18,13 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
         node: [14]
     runs-on: ${{ matrix.os }}
-    env:
-      TURBO_REMOTE_ONLY: true
-      TURBO_TEAM: vercel
-      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
     steps:
+      - name: Conditionally set remote env
+        if: github.event.pull_request.head.repo.full_name == github.repository
+        run: |
+            echo "TURBO_REMOTE_ONLY=true" >> $GITHUB_ENV
+            echo "TURBO_TEAM=vercel" >> $GITHUB_ENV
+            echo "TURBO_TOKEN=${{ secrets.TURBO_TOKEN }}" >> $GITHUB_ENV
       - uses: actions/setup-go@v2
         with:
           go-version: '1.13.15'

.github/workflows/test.yml

@@ -38,10 +38,6 @@ jobs:
     runs-on: ${{ matrix.runner }}
     name: ${{matrix.scriptName}} (${{matrix.packageName}}, ${{matrix.chunkNumber}}, ${{ matrix.runner }})
     if: ${{ needs.setup.outputs['tests'] != '[]' }}
-    env:
-      TURBO_REMOTE_ONLY: true
-      TURBO_TEAM: vercel
-      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
     needs:
       - setup
     strategy:
@@ -49,6 +45,12 @@ jobs:
       matrix:
         include: ${{ fromJson(needs.setup.outputs['tests']) }}
     steps:
+      - name: Conditionally set remote env
+        if: github.event.pull_request.head.repo.full_name == github.repository
+        run: |
+            echo "TURBO_REMOTE_ONLY=true" >> $GITHUB_ENV
+            echo "TURBO_TEAM=vercel" >> $GITHUB_ENV
+            echo "TURBO_TOKEN=${{ secrets.TURBO_TOKEN }}" >> $GITHUB_ENV
       - uses: actions/checkout@v2
         with:
           fetch-depth: 2

examples/sveltekit/.gitignore

@@ -7,3 +7,4 @@ node_modules
 .env.*
 !.env.example
 .vercel
+.output

examples/sveltekit/.prettierignore

@@ -0,0 +1,13 @@
+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+
+# Ignore files for PNPM, NPM and YARN
+pnpm-lock.yaml
+package-lock.json
+yarn.lock

examples/sveltekit/.prettierrc

@@ -0,0 +1,6 @@
+{
+  "useTabs": false,
+  "singleQuote": true,
+  "trailingComma": "none",
+  "printWidth": 100
+}

examples/sveltekit/README.md

@@ -14,31 +14,29 @@ If you're seeing this, you've probably already done this step. Congrats!
 
 ```bash
 # create a new project in the current directory
-npm init svelte@next
+npm init svelte
 
 # create a new project in my-app
-npm init svelte@next my-app
+npm init svelte my-app
 ```
 
-> Note: the `@next` is temporary
-
 ## Developing
 
-Once you've created a project and installed dependencies with `npm install` (or `pnpm install` or `yarn`), start a development server:
+Once you've created a project and installed dependencies with `pnpm install`, start a development server:
 
 ```bash
-npm run dev
+pnpm run dev
 
 # or start the server and open the app in a new browser tab
-npm run dev -- --open
+pnpm run dev -- --open
 ```
 
 ## Building
 
-This uses the adapter-auto for SvelteKit, which detects Vercel and runs adapter-vercel on your behalf.
+To create a production version of your app:
 
 ```bash
-npm run build
+pnpm run build
 ```
 
-> You can preview the built app with `npm run preview`, regardless of whether you installed an adapter. This should _not_ be used to serve your app in production.
+You can preview the production build with `npm run preview`.

examples/sveltekit/jsconfig.json

@@ -1,10 +1,13 @@
 {
+  "extends": "./.svelte-kit/tsconfig.json",
   "compilerOptions": {
-    "baseUrl": ".",
+    "allowJs": true,
-    "paths": {
+    "checkJs": true,
-      "$lib": ["src/lib"],
+    "esModuleInterop": true,
-      "$lib/*": ["src/lib/*"]
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "skipLibCheck": true,
+    "sourceMap": true,
+    "strict": true
   }
-  },
-  "include": ["src/**/*.d.ts", "src/**/*.js", "src/**/*.svelte"]
 }

examples/sveltekit/package.json

@@ -1,22 +1,29 @@
 {
   "private": true,
-  "name": "sveltekit",
-  "version": "0.0.1",
   "scripts": {
     "dev": "svelte-kit dev",
     "build": "svelte-kit build",
     "package": "svelte-kit package",
-    "preview": "svelte-kit preview"
+    "preview": "svelte-kit preview",
+    "prepare": "svelte-kit sync",
+    "check": "svelte-check --tsconfig ./jsconfig.json",
+    "check:watch": "svelte-check --tsconfig ./jsconfig.json --watch",
+    "lint": "prettier --check --plugin-search-dir=. .",
+    "format": "prettier --write --plugin-search-dir=. ."
   },
   "devDependencies": {
     "@sveltejs/adapter-auto": "next",
     "@sveltejs/kit": "next",
-    "svelte": "^3.46.0"
+    "@types/cookie": "^0.4.1",
+    "prettier": "^2.5.1",
+    "prettier-plugin-svelte": "^2.5.0",
+    "svelte": "^3.46.0",
+    "svelte-check": "^2.2.6",
+    "typescript": "~4.6.2"
   },
   "type": "module",
   "dependencies": {
     "@fontsource/fira-mono": "^4.5.0",
-    "@lukeed/uuid": "^2.0.0",
     "cookie": "^0.4.1"
   }
 }

examples/sveltekit/src/app.d.ts

@@ -0,0 +1,15 @@
+/// <reference types="@sveltejs/kit" />
+
+// See https://kit.svelte.dev/docs/types#app
+// for information about these interfaces
+declare namespace App {
+  interface Locals {
+    userid: string;
+  }
+
+  // interface Platform {}
+
+  // interface Session {}
+
+  // interface Stuff {}
+}

examples/sveltekit/src/app.html

@@ -2,12 +2,11 @@
 <html lang="en">
   <head>
     <meta charset="utf-8" />
-		<meta name="description" content="Svelte demo app" />
+    <link rel="icon" href="%sveltekit.assets%/favicon.png" />
-		<link rel="icon" href="%svelte.assets%/favicon.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
-		%svelte.head%
+    %sveltekit.head%
   </head>
   <body>
-		<div>%svelte.body%</div>
+    <div>%sveltekit.body%</div>
   </body>
 </html>

examples/sveltekit/src/hooks.js

@@ -1,13 +1,13 @@
-import cookie from 'cookie';
+import * as cookie from 'cookie';
-import { v4 as uuid } from '@lukeed/uuid';
 
+/** @type {import('@sveltejs/kit').Handle} */
 export const handle = async ({ event, resolve }) => {
   const cookies = cookie.parse(event.request.headers.get('cookie') || '');
-	event.locals.userid = cookies.userid || uuid();
+  event.locals.userid = cookies['userid'] || crypto.randomUUID();
 
   const response = await resolve(event);
 
-	if (!cookies.userid) {
+  if (!cookies['userid']) {
     // if this is the first time the user has visited this app,
     // set a cookie so that we recognise them when they return
     response.headers.set(

examples/sveltekit/src/lib/Counter.svelte

@@ -7,6 +7,10 @@
   $: displayed_count.set(count);
   $: offset = modulo($displayed_count, 1);
 
+  /**
+   * @param {number} n
+   * @param {number} m
+   */
   function modulo(n, m) {
     // handle negative numbers
     return ((n % m) + m) % m;
@@ -50,6 +54,7 @@
     justify-content: center;
     border: 0;
     background-color: transparent;
+    touch-action: manipulation;
     color: var(--text-color);
     font-size: 2rem;
   }

examples/sveltekit/src/lib/form.js

@@ -2,9 +2,36 @@ import { invalidate } from '$app/navigation';
 
 // this action (https://svelte.dev/tutorial/actions) allows us to
 // progressively enhance a <form> that already works without JS
+/**
+ * @param {HTMLFormElement} form
+ * @param {{
+ *   pending?: ({ data, form }: { data: FormData; form: HTMLFormElement }) => void;
+ *   error?: ({
+ *     data,
+ *     form,
+ *     response,
+ *     error
+ *   }: {
+ *     data: FormData;
+ *     form: HTMLFormElement;
+ *     response: Response | null;
+ *     error: Error | null;
+ *   }) => void;
+ *   result?: ({
+ *     data,
+ *     form,
+ *     response
+ *   }: {
+ *     data: FormData;
+ *     response: Response;
+ *     form: HTMLFormElement;
+ *   }) => void;
+ * }} [opts]
+ */
 export function enhance(form, { pending, error, result } = {}) {
   let current_token;
 
+  /** @param {SubmitEvent} e */
   async function handle_submit(e) {
     const token = (current_token = {});
 
@@ -37,7 +64,7 @@ export function enhance(form, { pending, error, result } = {}) {
         console.error(await response.text());
       }
     } catch (e) {
-			if (error) {
+      if (error && e instanceof Error) {
         error({ data, form, error: e, response: null });
       } else {
         throw e;

examples/sveltekit/src/routes/about.svelte

@@ -16,6 +16,7 @@
 
 <svelte:head>
   <title>About</title>
+  <meta name="description" content="About this app" />
 </svelte:head>
 
 <div class="content">
@@ -26,8 +27,7 @@
     following into your command line and following the prompts:
   </p>
 
-	<!-- TODO lose the @next! -->
+  <pre>npm init svelte</pre>
-	<pre>npm init svelte@next</pre>
 
   <p>
     The page you're looking at is purely static HTML, with no client-side interactivity needed.

examples/sveltekit/src/routes/index.svelte

@@ -8,6 +8,7 @@
 
 <svelte:head>
   <title>Home</title>
+  <meta name="description" content="Svelte demo app" />
 </svelte:head>
 
 <section>

examples/sveltekit/src/routes/todos/_api.js

@@ -11,6 +11,11 @@
 
 const base = 'https://api.svelte.dev';
 
+/**
+ * @param {string} method
+ * @param {string} resource
+ * @param {Record<string, unknown>} [data]
+ */
 export function api(method, resource, data) {
   return fetch(`${base}/${resource}`, {
     method,

examples/sveltekit/src/routes/todos/index.js

@@ -1,5 +1,6 @@
 import { api } from './_api';
 
+/** @type {import('./__types').RequestHandler} */
 export const get = async ({ locals }) => {
   // locals.userid comes from src/hooks.js
   const response = await api('get', `todos/${locals.userid}`);
@@ -27,6 +28,7 @@ export const get = async ({ locals }) => {
   };
 };
 
+/** @type {import('./index').RequestHandler} */
 export const post = async ({ request, locals }) => {
   const form = await request.formData();
 
@@ -46,6 +48,7 @@ const redirect = {
   }
 };
 
+/** @type {import('./index').RequestHandler} */
 export const patch = async ({ request, locals }) => {
   const form = await request.formData();
 
@@ -57,6 +60,7 @@ export const patch = async ({ request, locals }) => {
   return redirect;
 };
 
+/** @type {import('./index').RequestHandler} */
 export const del = async ({ request, locals }) => {
   const form = await request.formData();
 

examples/sveltekit/src/routes/todos/index.svelte

@@ -3,11 +3,23 @@
   import { scale } from 'svelte/transition';
   import { flip } from 'svelte/animate';
 
+  /**
+   * @typedef {{
+   *   uid: string;
+   *   created_at: Date;
+   *   text: string;
+   *   done: boolean;
+   *   pending_delete: boolean;
+   * }} Todo
+   */
+
+  /** @type {Todo[]} */
   export let todos;
 </script>
 
 <svelte:head>
   <title>Todos</title>
+  <meta name="description" content="A todo list app" />
 </svelte:head>
 
 <div class="todos">

package.json

@@ -31,7 +31,7 @@
     "prettier": "2.6.2",
     "ts-eager": "2.0.2",
     "ts-jest": "28.0.0-next.1",
-    "turbo": "1.2.9"
+    "turbo": "1.2.14"
   },
   "scripts": {
     "lerna": "lerna",

packages/build-utils/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vercel/build-utils",
-  "version": "3.1.1-canary.1",
+  "version": "3.1.1",
   "license": "MIT",
   "main": "./dist/index.js",
   "types": "./dist/index.d.js",
@@ -31,7 +31,7 @@
     "@types/node-fetch": "^2.1.6",
     "@types/semver": "6.0.0",
     "@types/yazl": "2.4.2",
-    "@vercel/frameworks": "0.9.2-canary.0",
+    "@vercel/frameworks": "1.0.0",
     "@vercel/ncc": "0.24.0",
     "aggregate-error": "3.0.1",
     "async-retry": "1.2.3",

packages/build-utils/src/fs/run-user-scripts.ts

@@ -205,7 +205,9 @@ export function getSpawnOptions(
 
   if (!meta.isDev) {
     // Ensure that the selected Node version is at the beginning of the `$PATH`
-    opts.env.PATH = `/node${nodeVersion.major}/bin:${opts.env.PATH}`;
+    opts.env.PATH = `/node${nodeVersion.major}/bin${path.delimiter}${
+      opts.env.PATH || process.env.PATH
+    }`;
   }
 
   return opts;
@@ -433,13 +435,13 @@ export function getEnvForPackageManager({
       (nodeVersion?.major || 0) < 16
     ) {
       // Ensure that npm 7 is at the beginning of the `$PATH`
-      newEnv.PATH = `/node16/bin-npm7:${env.PATH}`;
+      newEnv.PATH = `/node16/bin-npm7${path.delimiter}${env.PATH}`;
       console.log('Detected `package-lock.json` generated by npm 7...');
     }
   } else if (cliType === 'pnpm') {
     if (typeof lockfileVersion === 'number' && lockfileVersion === 5.4) {
       // Ensure that pnpm 7 is at the beginning of the `$PATH`
-      newEnv.PATH = `/pnpm7/node_modules/.bin:${env.PATH}`;
+      newEnv.PATH = `/pnpm7/node_modules/.bin${path.delimiter}${env.PATH}`;
       console.log('Detected `pnpm-lock.yaml` generated by pnpm 7...');
     }
   } else {

packages/build-utils/src/index.ts

@@ -117,4 +117,5 @@ export const isStaticRuntime = (name?: string): boolean => {
 };
 
 export { workspaceManagers } from './workspaces/workspace-managers';
+export { getWorkspaces } from './workspaces/get-workspaces';
 export { monorepoManagers } from './monorepos/monorepo-managers';

packages/build-utils/src/workspaces/get-workspaces.ts

@@ -0,0 +1,59 @@
+import path from 'path';
+import { DetectorFilesystem } from '../detectors/filesystem';
+import { workspaceManagers } from './workspace-managers';
+import { detectFramework as detectWorkspaceManagers } from '../detect-framework';
+
+const MAX_DEPTH_TRAVERSE = 3;
+const posixPath = path.posix;
+
+export interface GetWorkspaceOptions {
+  fs: DetectorFilesystem;
+  depth?: number;
+  cwd?: string;
+}
+
+export type WorkspaceType = 'yarn' | 'pnpm' | 'npm';
+
+export type Workspace = {
+  type: WorkspaceType;
+  rootPath: string;
+};
+
+export async function getWorkspaces({
+  fs,
+  depth = MAX_DEPTH_TRAVERSE,
+  cwd = '/',
+}: GetWorkspaceOptions): Promise<Workspace[]> {
+  if (depth === 0) return [];
+
+  const workspaceType = await detectWorkspaceManagers({
+    fs,
+    frameworkList: workspaceManagers,
+  });
+
+  if (workspaceType === null) {
+    const directoryContents = await fs.readdir('./');
+    const childDirectories = directoryContents.filter(
+      stat => stat.type === 'dir'
+    );
+
+    return (
+      await Promise.all(
+        childDirectories.map(childDirectory =>
+          getWorkspaces({
+            fs: fs.chdir(childDirectory.path),
+            depth: depth - 1,
+            cwd: posixPath.join(cwd, childDirectory.path),
+          })
+        )
+      )
+    ).flat();
+  }
+
+  return [
+    {
+      type: workspaceType as WorkspaceType,
+      rootPath: cwd,
+    },
+  ];
+}

packages/build-utils/test/fixtures/16-node-env-install/build.js

@@ -17,5 +17,13 @@ checkPkgOrThrow('exeggcute');
 
 // This is to satisfy `@vercel/static-build` which needs a `dist` directory.
 const { exec } = require('exeggcute');
-exec('mkdir dist', __dirname);
+exec('mkdir dist', __dirname)
-exec('echo "node-env:RANDOMNESS_PLACEHOLDER" > dist/index.html', __dirname);
+  .then(() => {
+    exec(
+      'echo "node-env:RANDOMNESS_PLACEHOLDER" > dist/index.html',
+      __dirname
+    ).then(() => {
+      console.log('Success');
+    });
+  })
+  .catch(console.error);

packages/build-utils/test/fixtures/24-pnpm-hoisted/index.js

@@ -6,5 +6,10 @@ const b = require('./b');
 a();
 b();
 
-exec('mkdir public', __dirname);
+exec('mkdir public', __dirname)
-exec('echo "Hello, World!" > public/index.html', __dirname);
+  .then(() => {
+    exec('echo "Hello, World!" > public/index.html', __dirname).then(() => {
+      console.log('Success');
+    });
+  })
+  .catch(console.error);

packages/build-utils/test/fixtures/29-nested-workspaces/backend/c/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "c",
+  "license": "MIT",
+  "version": "0.1.0"
+}

packages/build-utils/test/fixtures/29-nested-workspaces/backend/d/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "d",
+  "license": "MIT",
+  "version": "0.1.0",
+  "devDependencies": {
+    "once": "1.4.0"
+  }
+}

packages/build-utils/test/fixtures/29-nested-workspaces/backend/package.json

@@ -0,0 +1,6 @@
+{
+  "private": true,
+  "name": "29-nested-workspaces-backend",
+  "license": "MIT",
+  "version": "1.0.0"
+}

packages/build-utils/test/fixtures/29-nested-workspaces/backend/pnpm-lock.yaml

@@ -0,0 +1,27 @@
+lockfileVersion: 5.3
+
+importers:
+
+  .:
+    specifiers: {}
+
+  c:
+    specifiers: {}
+
+  d:
+    specifiers:
+      once: 1.4.0
+    devDependencies:
+      once: 1.4.0
+
+packages:
+
+  /once/1.4.0:
+    resolution: {integrity: sha1-WDsap3WWHUsROsF9nFC6753Xa9E=}
+    dependencies:
+      wrappy: 1.0.2
+    dev: true
+
+  /wrappy/1.0.2:
+    resolution: {integrity: sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=}
+    dev: true

packages/build-utils/test/fixtures/29-nested-workspaces/backend/pnpm-workspace.yaml

@@ -0,0 +1,3 @@
+packages:
+  - 'c'
+  - 'd'

packages/build-utils/test/fixtures/29-nested-workspaces/frontend/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "29-nested-workspaces-frontend",
+  "version": "1.0.0",
+  "private": true,
+  "workspaces": [
+    "a",
+    "b"
+  ]
+}

packages/build-utils/test/fixtures/30-double-nested-workspaces/packages/backend/c/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "c",
+  "license": "MIT",
+  "version": "0.1.0"
+}

packages/build-utils/test/fixtures/30-double-nested-workspaces/packages/backend/d/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "d",
+  "license": "MIT",
+  "version": "0.1.0",
+  "devDependencies": {
+    "once": "1.4.0"
+  }
+}

packages/build-utils/test/fixtures/30-double-nested-workspaces/packages/backend/package.json

@@ -0,0 +1,6 @@
+{
+  "private": true,
+  "name": "30-double-nested-workspaces-packages-backend",
+  "license": "MIT",
+  "version": "1.0.0"
+}

packages/build-utils/test/fixtures/30-double-nested-workspaces/packages/backend/pnpm-lock.yaml

@@ -0,0 +1,27 @@
+lockfileVersion: 5.3
+
+importers:
+
+  .:
+    specifiers: {}
+
+  c:
+    specifiers: {}
+
+  d:
+    specifiers:
+      once: 1.4.0
+    devDependencies:
+      once: 1.4.0
+
+packages:
+
+  /once/1.4.0:
+    resolution: {integrity: sha1-WDsap3WWHUsROsF9nFC6753Xa9E=}
+    dependencies:
+      wrappy: 1.0.2
+    dev: true
+
+  /wrappy/1.0.2:
+    resolution: {integrity: sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=}
+    dev: true

packages/build-utils/test/fixtures/30-double-nested-workspaces/packages/backend/pnpm-workspace.yaml

@@ -0,0 +1,3 @@
+packages:
+  - 'c'
+  - 'd'

packages/build-utils/test/fixtures/30-double-nested-workspaces/packages/frontend/a/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "a",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "debug": "^4.3.2"
+  }
+}

packages/build-utils/test/fixtures/30-double-nested-workspaces/packages/frontend/b/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "b",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "cowsay": "^1.5.0"
+  }
+}

packages/build-utils/test/fixtures/30-double-nested-workspaces/packages/frontend/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "30-double-nested-workspaces-packages-frontend",
+  "version": "1.0.0",
+  "private": true,
+  "workspaces": [
+    "a",
+    "b"
+  ]
+}

packages/build-utils/test/fixtures/30-double-nested-workspaces/packages/frontend/yarn.lock

@@ -0,0 +1,232 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+ansi-regex@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.1.tgz#123d6479e92ad45ad897d4054e3c7ca7db4944e1"
+  integrity sha512-+O9Jct8wf++lXxxFc4hc8LsjaSq0HFzzL7cVsw8pRDIPdjKD2mT4ytDZlLuSBZ4cLKZFXIrMGO7DbQCtMJJMKw==
+
+ansi-regex@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.1.tgz#082cb2c89c9fe8659a311a53bd6a4dc5301db304"
+  integrity sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==
+
+ansi-styles@^4.0.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
+  integrity sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==
+  dependencies:
+    color-convert "^2.0.1"
+
+camelcase@^5.0.0:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
+  integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
+
+cliui@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-6.0.0.tgz#511d702c0c4e41ca156d7d0e96021f23e13225b1"
+  integrity sha512-t6wbgtoCXvAzst7QgXxJYqPt0usEfbgQdftEPbLL/cvv6HPE5VgvqCuAIDR0NgU52ds6rFwqrgakNLrHEjCbrQ==
+  dependencies:
+    string-width "^4.2.0"
+    strip-ansi "^6.0.0"
+    wrap-ansi "^6.2.0"
+
+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  integrity sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==
+  dependencies:
+    color-name "~1.1.4"
+
+color-name@~1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+  integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
+
+cowsay@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/cowsay/-/cowsay-1.5.0.tgz#4a2a453b8b59383c7d7a50e44d765c5de0bf615f"
+  integrity sha512-8Ipzr54Z8zROr/62C8f0PdhQcDusS05gKTS87xxdji8VbWefWly0k8BwGK7+VqamOrkv3eGsCkPtvlHzrhWsCA==
+  dependencies:
+    get-stdin "8.0.0"
+    string-width "~2.1.1"
+    strip-final-newline "2.0.0"
+    yargs "15.4.1"
+
+debug@^4.3.2:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
+  integrity sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==
+  dependencies:
+    ms "2.1.2"
+
+decamelize@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+  integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
+
+emoji-regex@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-8.0.0.tgz#e818fd69ce5ccfcb404594f842963bf53164cc37"
+  integrity sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==
+
+find-up@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
+  integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==
+  dependencies:
+    locate-path "^5.0.0"
+    path-exists "^4.0.0"
+
+get-caller-file@^2.0.1:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+  integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
+
+get-stdin@8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-8.0.0.tgz#cbad6a73feb75f6eeb22ba9e01f89aa28aa97a53"
+  integrity sha512-sY22aA6xchAzprjyqmSEQv4UbAAzRN0L2dQB0NlN5acTTK9Don6nhoc3eAbUnpZiCANAMfd/+40kVdKfFygohg==
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+  integrity sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=
+
+is-fullwidth-code-point@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz#f116f8064fe90b3f7844a38997c0b75051269f1d"
+  integrity sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==
+
+locate-path@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-5.0.0.tgz#1afba396afd676a6d42504d0a67a3a7eb9f62aa0"
+  integrity sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==
+  dependencies:
+    p-locate "^4.1.0"
+
+ms@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
+p-limit@^2.2.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
+  integrity sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==
+  dependencies:
+    p-try "^2.0.0"
+
+p-locate@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-4.1.0.tgz#a3428bb7088b3a60292f66919278b7c297ad4f07"
+  integrity sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==
+  dependencies:
+    p-limit "^2.2.0"
+
+p-try@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
+  integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
+
+path-exists@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
+  integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==
+
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
+require-main-filename@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
+  integrity sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==
+
+set-blocking@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+  integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
+
+string-width@^4.1.0, string-width@^4.2.0:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
+  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.1"
+
+string-width@~2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
+  integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^4.0.0"
+
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  integrity sha1-qEeQIusaw2iocTibY1JixQXuNo8=
+  dependencies:
+    ansi-regex "^3.0.0"
+
+strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
+  dependencies:
+    ansi-regex "^5.0.1"
+
+strip-final-newline@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-final-newline/-/strip-final-newline-2.0.0.tgz#89b852fb2fcbe936f6f4b3187afb0a12c1ab58ad"
+  integrity sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA==
+
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+  integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
+
+wrap-ansi@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-6.2.0.tgz#e9393ba07102e6c91a3b221478f0257cd2856e53"
+  integrity sha512-r6lPcBGxZXlIcymEu7InxDMhdW0KDxpLgoFLcguasxCaJ/SOIZwINatK9KY/tf+ZrlywOKU0UDj3ATXUBfxJXA==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
+y18n@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.3.tgz#b5f259c82cd6e336921efd7bfd8bf560de9eeedf"
+  integrity sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==
+
+yargs-parser@^18.1.2:
+  version "18.1.3"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
+  integrity sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
+yargs@15.4.1:
+  version "15.4.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.4.1.tgz#0d87a16de01aee9d8bec2bfbf74f67851730f4f8"
+  integrity sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==
+  dependencies:
+    cliui "^6.0.0"
+    decamelize "^1.2.0"
+    find-up "^4.1.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^4.2.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^18.1.2"

packages/build-utils/test/fixtures/31-turborepo-in-package-json/a/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "a",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "debug": "^4.3.2"
+  }
+}

packages/build-utils/test/fixtures/31-turborepo-in-package-json/b/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "b",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "cowsay": "^1.5.0"
+  }
+}

packages/build-utils/test/fixtures/31-turborepo-in-package-json/yarn.lock

@@ -0,0 +1,232 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+ansi-regex@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.1.tgz#123d6479e92ad45ad897d4054e3c7ca7db4944e1"
+  integrity sha512-+O9Jct8wf++lXxxFc4hc8LsjaSq0HFzzL7cVsw8pRDIPdjKD2mT4ytDZlLuSBZ4cLKZFXIrMGO7DbQCtMJJMKw==
+
+ansi-regex@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.1.tgz#082cb2c89c9fe8659a311a53bd6a4dc5301db304"
+  integrity sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==
+
+ansi-styles@^4.0.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
+  integrity sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==
+  dependencies:
+    color-convert "^2.0.1"
+
+camelcase@^5.0.0:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
+  integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
+
+cliui@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-6.0.0.tgz#511d702c0c4e41ca156d7d0e96021f23e13225b1"
+  integrity sha512-t6wbgtoCXvAzst7QgXxJYqPt0usEfbgQdftEPbLL/cvv6HPE5VgvqCuAIDR0NgU52ds6rFwqrgakNLrHEjCbrQ==
+  dependencies:
+    string-width "^4.2.0"
+    strip-ansi "^6.0.0"
+    wrap-ansi "^6.2.0"
+
+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  integrity sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==
+  dependencies:
+    color-name "~1.1.4"
+
+color-name@~1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+  integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
+
+cowsay@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/cowsay/-/cowsay-1.5.0.tgz#4a2a453b8b59383c7d7a50e44d765c5de0bf615f"
+  integrity sha512-8Ipzr54Z8zROr/62C8f0PdhQcDusS05gKTS87xxdji8VbWefWly0k8BwGK7+VqamOrkv3eGsCkPtvlHzrhWsCA==
+  dependencies:
+    get-stdin "8.0.0"
+    string-width "~2.1.1"
+    strip-final-newline "2.0.0"
+    yargs "15.4.1"
+
+debug@^4.3.2:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
+  integrity sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==
+  dependencies:
+    ms "2.1.2"
+
+decamelize@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+  integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
+
+emoji-regex@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-8.0.0.tgz#e818fd69ce5ccfcb404594f842963bf53164cc37"
+  integrity sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==
+
+find-up@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
+  integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==
+  dependencies:
+    locate-path "^5.0.0"
+    path-exists "^4.0.0"
+
+get-caller-file@^2.0.1:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+  integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
+
+get-stdin@8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-8.0.0.tgz#cbad6a73feb75f6eeb22ba9e01f89aa28aa97a53"
+  integrity sha512-sY22aA6xchAzprjyqmSEQv4UbAAzRN0L2dQB0NlN5acTTK9Don6nhoc3eAbUnpZiCANAMfd/+40kVdKfFygohg==
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+  integrity sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=
+
+is-fullwidth-code-point@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz#f116f8064fe90b3f7844a38997c0b75051269f1d"
+  integrity sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==
+
+locate-path@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-5.0.0.tgz#1afba396afd676a6d42504d0a67a3a7eb9f62aa0"
+  integrity sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==
+  dependencies:
+    p-locate "^4.1.0"
+
+ms@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
+p-limit@^2.2.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
+  integrity sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==
+  dependencies:
+    p-try "^2.0.0"
+
+p-locate@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-4.1.0.tgz#a3428bb7088b3a60292f66919278b7c297ad4f07"
+  integrity sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==
+  dependencies:
+    p-limit "^2.2.0"
+
+p-try@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
+  integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
+
+path-exists@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
+  integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==
+
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
+require-main-filename@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
+  integrity sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==
+
+set-blocking@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+  integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
+
+string-width@^4.1.0, string-width@^4.2.0:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
+  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.1"
+
+string-width@~2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
+  integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^4.0.0"
+
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  integrity sha1-qEeQIusaw2iocTibY1JixQXuNo8=
+  dependencies:
+    ansi-regex "^3.0.0"
+
+strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
+  dependencies:
+    ansi-regex "^5.0.1"
+
+strip-final-newline@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-final-newline/-/strip-final-newline-2.0.0.tgz#89b852fb2fcbe936f6f4b3187afb0a12c1ab58ad"
+  integrity sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA==
+
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+  integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
+
+wrap-ansi@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-6.2.0.tgz#e9393ba07102e6c91a3b221478f0257cd2856e53"
+  integrity sha512-r6lPcBGxZXlIcymEu7InxDMhdW0KDxpLgoFLcguasxCaJ/SOIZwINatK9KY/tf+ZrlywOKU0UDj3ATXUBfxJXA==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
+y18n@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.3.tgz#b5f259c82cd6e336921efd7bfd8bf560de9eeedf"
+  integrity sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==
+
+yargs-parser@^18.1.2:
+  version "18.1.3"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
+  integrity sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
+yargs@15.4.1:
+  version "15.4.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.4.1.tgz#0d87a16de01aee9d8bec2bfbf74f67851730f4f8"
+  integrity sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==
+  dependencies:
+    cliui "^6.0.0"
+    decamelize "^1.2.0"
+    find-up "^4.1.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^4.2.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^18.1.2"

packages/build-utils/test/integration.test.ts

@@ -34,7 +34,9 @@ const skipFixtures: string[] = [
   '23-pnpm-workspaces',
   '27-yarn-workspaces',
   '28-turborepo-with-yarn-workspaces',
-  '29-turborepo-in-package-json',
+  '29-nested-workspaces',
+  '30-double-nested-workspaces',
+  '31-turborepo-in-package-json',
 ];
 
 // eslint-disable-next-line no-restricted-syntax

packages/build-utils/test/unit.detect-monorepo-managers.test.ts

@@ -5,10 +5,10 @@ import { FixtureFilesystem } from './utils/fixture-filesystem';
 
 describe('monorepo-managers', () => {
   describe.each([
-    ['turbo', '28-turborepo-with-yarn-workspaces'],
+    ['28-turborepo-with-yarn-workspaces', 'turbo'],
-    ['turbo', '29-turborepo-in-package-json'],
+    ['31-turborepo-in-package-json', 'turbo'],
-    [null, '22-pnpm'],
+    ['22-pnpm', null],
-  ])('with detectFramework', (frameworkSlug, fixturePath) => {
+  ])('with detectFramework', (fixturePath, frameworkSlug) => {
     const testName = frameworkSlug
       ? `should detect a ${frameworkSlug} workspace for ${fixturePath}`
       : `should not detect a monorepo manager for ${fixturePath}`;

packages/build-utils/test/unit.detect-workspace-managers.test.ts

@@ -5,13 +5,13 @@ import { FixtureFilesystem } from './utils/fixture-filesystem';
 
 describe('workspace-managers', () => {
   describe.each([
-    ['npm', '21-npm-workspaces'],
+    ['21-npm-workspaces', 'npm'],
-    ['pnpm', '23-pnpm-workspaces'],
+    ['23-pnpm-workspaces', 'pnpm'],
-    ['yarn', '27-yarn-workspaces'],
+    ['27-yarn-workspaces', 'yarn'],
-    ['yarn', '25-multiple-lock-files-yarn'],
+    ['25-multiple-lock-files-yarn', 'yarn'],
-    ['pnpm', '26-multiple-lock-files-pnpm'],
+    ['26-multiple-lock-files-pnpm', 'pnpm'],
-    [null, '22-pnpm'],
+    ['22-pnpm', null],
-  ])('with detectFramework', (frameworkSlug, fixturePath) => {
+  ])('with detectFramework', (fixturePath, frameworkSlug) => {
     const testName = frameworkSlug
       ? `should detect a ${frameworkSlug} workspace for ${fixturePath}`
       : `should not detect framework for ${fixturePath}`;

packages/build-utils/test/unit.get-env-for-package-manager.test.ts

@@ -1,4 +1,5 @@
 import assert from 'assert';
+import { delimiter } from 'path';
 import { getEnvForPackageManager } from '../src';
 
 describe('Test `getEnvForPackageManager()`', () => {
@@ -34,7 +35,7 @@ describe('Test `getEnvForPackageManager()`', () => {
       },
       want: {
         FOO: 'bar',
-        PATH: `/node16/bin-npm7:foo`,
+        PATH: `/node16/bin-npm7${delimiter}foo`,
       },
     },
     {
@@ -97,7 +98,7 @@ describe('Test `getEnvForPackageManager()`', () => {
       },
       want: {
         FOO: 'bar',
-        PATH: '/pnpm7/node_modules/.bin:foo',
+        PATH: `/pnpm7/node_modules/.bin${delimiter}foo`,
       },
     },
     {

packages/build-utils/test/unit.get-workspaces.test.ts

@@ -0,0 +1,43 @@
+import path from 'path';
+import { getWorkspaces, Workspace } from '../src/workspaces/get-workspaces';
+import { FixtureFilesystem } from './utils/fixture-filesystem';
+
+describe.each<[string, Workspace[]]>([
+  ['21-npm-workspaces', [{ type: 'npm', rootPath: '/' }]],
+  ['23-pnpm-workspaces', [{ type: 'pnpm', rootPath: '/' }]],
+  ['27-yarn-workspaces', [{ type: 'yarn', rootPath: '/' }]],
+  ['25-multiple-lock-files-yarn', [{ type: 'yarn', rootPath: '/' }]],
+  ['26-multiple-lock-files-pnpm', [{ type: 'pnpm', rootPath: '/' }]],
+  [
+    '29-nested-workspaces',
+    [
+      { type: 'pnpm', rootPath: '/backend' },
+      { type: 'yarn', rootPath: '/frontend' },
+    ],
+  ],
+  [
+    '30-double-nested-workspaces',
+    [
+      { type: 'pnpm', rootPath: '/packages/backend' },
+      { type: 'yarn', rootPath: '/packages/frontend' },
+    ],
+  ],
+  ['22-pnpm', []],
+])('`getWorkspaces()`', (fixturePath, workspaces) => {
+  const expectedImplementations = workspaces.map(({ type }) => type);
+  const testName =
+    workspaces.length > 0
+      ? `should detect ${expectedImplementations.join()} workspace${
+          expectedImplementations.length > 1 ? 's' : ''
+        } for ${fixturePath}`
+      : `should not detect any workspace for ${fixturePath}`;
+
+  it(testName, async () => {
+    const fixture = path.join(__dirname, 'fixtures', fixturePath);
+    const fs = new FixtureFilesystem(fixture);
+
+    const actualWorkspaces = await getWorkspaces({ fs });
+
+    expect(actualWorkspaces).toEqual(expect.arrayContaining(workspaces));
+  });
+});

packages/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "vercel",
-  "version": "24.2.5-canary.1",
+  "version": "24.2.5",
   "preferGlobal": true,
   "license": "Apache-2.0",
   "description": "The command-line interface for Vercel",
@@ -43,15 +43,15 @@
     "node": ">= 12"
   },
   "dependencies": {
-    "@vercel/build-utils": "3.1.1-canary.1",
+    "@vercel/build-utils": "3.1.1",
-    "@vercel/go": "1.4.4-canary.1",
+    "@vercel/go": "1.4.4",
-    "@vercel/next": "2.8.67-canary.1",
+    "@vercel/next": "2.9.0",
-    "@vercel/node": "1.15.4-canary.1",
+    "@vercel/node": "1.15.4",
-    "@vercel/python": "2.3.4-canary.1",
+    "@vercel/python": "2.3.4",
-    "@vercel/redwood": "0.8.4-canary.1",
+    "@vercel/redwood": "0.8.4",
-    "@vercel/remix": "0.0.2-canary.1",
+    "@vercel/remix": "0.0.2",
-    "@vercel/ruby": "1.3.7-canary.1",
+    "@vercel/ruby": "1.3.7",
-    "@vercel/static-build": "0.25.3-canary.1",
+    "@vercel/static-build": "0.26.0",
     "update-notifier": "4.1.0"
   },
   "devDependencies": {
@@ -95,8 +95,8 @@
     "@types/which": "1.3.2",
     "@types/write-json-file": "2.2.1",
     "@types/yauzl-promise": "2.1.0",
-    "@vercel/client": "11.0.4-canary.1",
+    "@vercel/client": "11.0.4",
-    "@vercel/frameworks": "0.9.2-canary.0",
+    "@vercel/frameworks": "1.0.0",
     "@vercel/ncc": "0.24.0",
     "@zeit/fun": "0.11.2",
     "@zeit/source-map-support": "0.6.2",

packages/cli/src/commands/dev/dev.ts

@@ -98,6 +98,12 @@ export default async function dev(
     ]);
   }
 
+  // This is just for tests - can be removed once project settings
+  // are respected locally in `.vercel/project.json`
+  if (process.env.VERCEL_DEV_COMMAND) {
+    devCommand = process.env.VERCEL_DEV_COMMAND;
+  }
+
   const devServer = new DevServer(cwd, {
     output,
     devCommand,

packages/cli/src/util/build/import-builders.ts

@@ -1,7 +1,7 @@
 import npa from 'npm-package-arg';
 import { satisfies } from 'semver';
 import { dirname, join } from 'path';
-import { outputJSON, readJSON } from 'fs-extra';
+import { mkdirp, outputJSON, readJSON, symlink } from 'fs-extra';
 import {
   BuilderV2,
   BuilderV3,
@@ -203,6 +203,11 @@ async function installBuilders(
     cwd: buildersDir,
   });
 
+  // Symlink `@now/build-utils` -> `@vercel/build-utils` to support legacy Builders
+  const nowScopePath = join(buildersDir, 'node_modules/@now');
+  await mkdirp(nowScopePath);
+  await symlink('../@vercel/build-utils', join(nowScopePath, 'build-utils'));
+
   // Cross-reference any builderSpecs from the saved `package.json` file,
   // in case they were installed from a URL
   const buildersPkg = await readJSONFile<PackageJson>(buildersPkgPath);

packages/cli/test/dev/fixtures/dev-server-and-routes/pages/index.js

@@ -0,0 +1 @@
+export default () => <div>hello, this is the frontend</div>;

packages/cli/test/dev/fixtures/headers/vercel.json

@@ -1,6 +1,5 @@
 {
   "version": 2,
-  "name": "now-dev-headers",
   "builds": [
     { "src": "index.js", "use": "@vercel/node" },
     { "src": "foo.txt", "use": "@vercel/static" }

packages/cli/test/dev/fixtures/node-query-invoke/vercel.json

@@ -1,6 +1,5 @@
 {
   "version": 2,
-  "name": "now-dev-query-test",
   "builds": [{ "src": "index.js", "use": "@vercel/node" }],
   "routes": [
     {

packages/cli/test/dev/fixtures/static-build-routing/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "now-dev-static-build-routing",
+  "name": "vc-dev-static-build-routing",
   "private": true,
   "scripts": {
     "now-dev": "serve -l $PORT src",

packages/cli/test/dev/integration-1.test.ts

@@ -1,6 +1,9 @@
 import os from 'os';
+import url from 'url';
 import fs from 'fs-extra';
 import { join } from 'path';
+import listen from 'async-listen';
+import { createServer } from 'http';
 
 const {
   exec,
@@ -8,8 +11,374 @@ const {
   fixture,
   testFixture,
   testFixtureStdio,
+  validateResponseHeaders,
 } = require('./utils.js');
 
+test('[vercel dev] should support request body', async () => {
+  const dir = fixture('node-request-body');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    const body = { hello: 'world' };
+
+    // Test that `req.body` works in dev
+    let res = await fetch(`http://localhost:${port}/api/req-body`, {
+      method: 'POST',
+      headers: {
+        'content-type': 'application/json',
+      },
+      body: JSON.stringify(body),
+    });
+    validateResponseHeaders(res);
+    expect(await res.json()).toMatchObject(body);
+
+    // Test that `req` "data" events work in dev
+    res = await fetch(`http://localhost:${port}/api/data-events`, {
+      method: 'POST',
+      headers: {
+        'content-type': 'application/json',
+      },
+      body: JSON.stringify(body),
+    });
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should maintain query when invoking serverless function', async () => {
+  const dir = fixture('node-query-invoke');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    const res = await fetch(`http://localhost:${port}/something?url-param=a`);
+    validateResponseHeaders(res);
+
+    const text = await res.text();
+    const parsed = url.parse(text, true);
+    expect(parsed.pathname).toEqual('/something');
+    expect(parsed.query['url-param']).toEqual('a');
+    expect(parsed.query['route-param']).toEqual('b');
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should maintain query when proxy passing', async () => {
+  const dir = fixture('query-proxy');
+  const { dev, port, readyResolver } = await testFixture(dir);
+  const dest = createServer((req, res) => {
+    res.end(req.url);
+  });
+
+  try {
+    await Promise.all([readyResolver, listen(dest, 0)]);
+
+    const destAddr = dest.address();
+    if (!destAddr || typeof destAddr === 'string') {
+      throw new Error('Unexpected HTTP address');
+    }
+
+    const res = await fetch(
+      `http://localhost:${port}/${destAddr.port}?url-param=a`
+    );
+    validateResponseHeaders(res);
+
+    const text = await res.text();
+    const parsed = url.parse(text, true);
+    expect(parsed.pathname).toEqual('/something');
+    expect(parsed.query['url-param']).toEqual('a');
+    expect(parsed.query['route-param']).toEqual('b');
+  } finally {
+    dest.close();
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should maintain query when dev server defines routes', async () => {
+  const dir = fixture('dev-server-query');
+  const { dev, port, readyResolver } = await testFixture(dir, {
+    env: {
+      VERCEL_DEV_COMMAND: 'next dev --port $PORT',
+    },
+  });
+
+  try {
+    await readyResolver;
+
+    const res = await fetch(`http://localhost:${port}/test?url-param=a`);
+    validateResponseHeaders(res);
+
+    const text = await res.text();
+
+    // Hacky way of getting the page payload from the response
+    // HTML since we don't have a HTML parser handy.
+    const json = text
+      .match(/<pre>(.*)<\/pre>/)![1]
+      .replace('</pre>', '')
+      .replace('<!-- -->', '')
+      .replace(/&amp;/g, '&')
+      .replace(/&quot;/g, '"');
+    const parsed = JSON.parse(json);
+    const query = url.parse(parsed.url, true).query;
+
+    expect(query['url-param']).toEqual('a');
+    expect(query['route-param']).toEqual('b');
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should allow `cache-control` to be overwritten', async () => {
+  const dir = fixture('headers');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    const res = await fetch(
+      `http://localhost:${port}/?name=cache-control&value=immutable`
+    );
+    expect(res.headers.get('cache-control')).toEqual('immutable');
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should send `etag` header for static files', async () => {
+  const dir = fixture('headers');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    const res = await fetch(`http://localhost:${port}/foo.txt`);
+    const expected = 'd263af8ab880c0b97eb6c5c125b5d44f9e5addd9';
+    expect(res.headers.get('etag')).toEqual(`"${expected}"`);
+    const body = await res.text();
+    expect(body.trim()).toEqual('hi');
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should frontend dev server and routes', async () => {
+  const dir = fixture('dev-server-and-routes');
+  const { dev, port, readyResolver } = await testFixture(dir, {
+    env: {
+      VERCEL_DEV_COMMAND: 'next dev --port $PORT',
+    },
+  });
+
+  try {
+    await readyResolver;
+
+    let podId: string;
+
+    let res = await fetch(`http://localhost:${port}/`);
+    validateResponseHeaders(res);
+    podId = res.headers.get('x-vercel-id')!.match(/:(\w+)-/)![1];
+    let body = await res.text();
+    expect(body.includes('hello, this is the frontend')).toBeTruthy();
+
+    res = await fetch(`http://localhost:${port}/api/users`);
+    validateResponseHeaders(res, podId);
+    body = await res.text();
+    expect(body).toEqual('users');
+
+    res = await fetch(`http://localhost:${port}/api/users/1`);
+    validateResponseHeaders(res, podId);
+    body = await res.text();
+    expect(body).toEqual('users/1');
+
+    res = await fetch(`http://localhost:${port}/api/welcome`);
+    validateResponseHeaders(res, podId);
+    body = await res.text();
+    expect(body).toEqual('hello and welcome');
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should support `@vercel/static` routing', async () => {
+  const dir = fixture('static-routes');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    const res = await fetch(`http://localhost:${port}/`);
+    expect(res.status).toEqual(200);
+    const body = await res.text();
+    expect(body.trim()).toEqual('<body>Hello!</body>');
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should support `@vercel/static-build` routing', async () => {
+  const dir = fixture('static-build-routing');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    const res = await fetch(`http://localhost:${port}/api/date`);
+    expect(res.status).toEqual(200);
+    const body = await res.text();
+    expect(body.startsWith('The current date:')).toBeTruthy();
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should support directory listing', async () => {
+  const dir = fixture('directory-listing');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    // Get directory listing
+    let res = await fetch(`http://localhost:${port}/`);
+    let body = await res.text();
+    expect(res.status).toEqual(200);
+    expect(body.includes('Index of')).toBeTruthy();
+
+    // Get a file
+    res = await fetch(`http://localhost:${port}/file.txt`);
+    body = await res.text();
+    expect(res.status).toEqual(200);
+    expect(body.trim()).toEqual('Hello from file!');
+
+    // Invoke a lambda
+    res = await fetch(`http://localhost:${port}/lambda.js`);
+    body = await res.text();
+    expect(res.status).toEqual(200);
+    expect(body).toEqual('Hello from Lambda!');
+
+    // Trigger a 404
+    res = await fetch(`http://localhost:${port}/does-not-exist`);
+    expect(res.status).toEqual(404);
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should respond with 404 listing with Accept header support', async () => {
+  const dir = fixture('directory-listing');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    // HTML response
+    let res = await fetch(`http://localhost:${port}/does-not-exist`, {
+      headers: {
+        Accept: 'text/html',
+      },
+    });
+    expect(res.status).toEqual(404);
+    expect(res.headers.get('content-type')).toEqual('text/html; charset=utf-8');
+    let body = await res.text();
+    expect(body.startsWith('<!DOCTYPE html>')).toBeTruthy();
+
+    // JSON response
+    res = await fetch(`http://localhost:${port}/does-not-exist`, {
+      headers: {
+        Accept: 'application/json',
+      },
+    });
+    expect(res.status).toEqual(404);
+    expect(res.headers.get('content-type')).toEqual('application/json');
+    body = await res.text();
+    expect(body).toEqual(
+      '{"error":{"code":404,"message":"The page could not be found."}}\n'
+    );
+
+    // Plain text response
+    res = await fetch(`http://localhost:${port}/does-not-exist`);
+    expect(res.status).toEqual(404);
+    body = await res.text();
+    expect(res.headers.get('content-type')).toEqual(
+      'text/plain; charset=utf-8'
+    );
+    expect(body).toEqual('The page could not be found.\n\nNOT_FOUND\n');
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should support `public` directory with zero config', async () => {
+  const dir = fixture('api-with-public');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    let res = await fetch(`http://localhost:${port}/api/user`);
+    let body = await res.text();
+    expect(body).toEqual('hello:user');
+
+    res = await fetch(`http://localhost:${port}/`);
+    body = await res.text();
+    expect(body.startsWith('<h1>hello world</h1>')).toBeTruthy();
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should support static files with zero config', async () => {
+  const dir = fixture('api-with-static');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    let res = await fetch(`http://localhost:${port}/api/user`);
+    let body = await res.text();
+    expect(body).toEqual('bye:user');
+
+    res = await fetch(`http://localhost:${port}/`);
+    body = await res.text();
+    expect(body.startsWith('<h1>goodbye world</h1>')).toBeTruthy();
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
+test('[vercel dev] should support custom 404 routes', async () => {
+  const dir = fixture('custom-404');
+  const { dev, port, readyResolver } = await testFixture(dir);
+
+  try {
+    await readyResolver;
+
+    // Test custom 404 with static dest
+    let res = await fetch(`http://localhost:${port}/error.html`);
+    expect(res.status).toEqual(404);
+    let body = await res.text();
+    expect(body.trim()).toEqual('<div>Custom 404 page</div>');
+
+    // Test custom 404 with lambda dest
+    res = await fetch(`http://localhost:${port}/error.js`);
+    expect(res.status).toEqual(404);
+    body = await res.text();
+    expect(body).toEqual('Custom 404 Lambda\n');
+
+    // Test regular 404 still works
+    res = await fetch(`http://localhost:${port}/does-not-exist`);
+    expect(res.status).toEqual(404);
+    body = await res.text();
+    expect(body).toEqual('The page could not be found.\n\nNOT_FOUND\n');
+  } finally {
+    dev.kill('SIGTERM');
+  }
+});
+
 test('[vercel dev] prints `npm install` errors', async () => {
   const dir = fixture('runtime-not-installed');
   const result = await exec(dir);

packages/cli/test/dev/utils.js

@@ -96,10 +96,16 @@ function shouldSkip(name, versions) {
   return false;
 }
 
-function validateResponseHeaders(res) {
+function validateResponseHeaders(res, podId) {
   if (res.status < 500) {
+    expect(res.headers.get('server')).toEqual('Vercel');
+    expect(res.headers.get('cache-control').length > 0).toBeTruthy();
     expect(res.headers.get('x-vercel-id')).toBeTruthy();
-    expect(res.headers.get('cache-control').length > 0).toBeTruthy;
+    if (podId) {
+      expect(
+        res.headers.get('x-vercel-id').includes(`::${podId}-`)
+      ).toBeTruthy();
+    }
   }
 }
 

packages/cli/test/fixtures/unit/now-dev-default-builds-and-routes/pages/index.js

@@ -1 +0,0 @@
-export default () => <div>hello, this is the frontend</div>