feat(cli): add css updates

Fixes #2322 , #2281 

Thanks to @akynau & @nianiam

apps/www/next.config.mjs

@@ -5,7 +5,16 @@ const nextConfig = {
   reactStrictMode: true,
   swcMinify: true,
   images: {
-    domains: ["avatars.githubusercontent.com", "images.unsplash.com"],
+    remotePatterns: [
+      {
+        protocol: "https",
+        hostname: "avatars.githubusercontent.com",
+      },
+      {
+        protocol: "https",
+        hostname: "images.unsplash.com",
+      },
+    ],
   },
   redirects() {
     return [

apps/www/public/registry/styles/default/pagination.json

@@ -6,7 +6,7 @@
   "files": [
     {
       "name": "pagination.tsx",
-      "content": "import * as React from \"react\"\nimport { ChevronLeft, ChevronRight, MoreHorizontal } from \"lucide-react\"\n\nimport { cn } from \"@/lib/utils\"\nimport { ButtonProps, buttonVariants } from \"@/registry/default/ui/button\"\n\nconst Pagination = ({ className, ...props }: React.ComponentProps<\"nav\">) => (\n  <nav\n    role=\"navigation\"\n    aria-label=\"pagination\"\n    className={cn(\"mx-auto flex w-full justify-center\", className)}\n    {...props}\n  />\n)\n\nconst PaginationContent = React.forwardRef<\n  HTMLUListElement,\n  React.ComponentProps<\"ul\">\n>(({ className, ...props }, ref) => (\n  <ul\n    ref={ref}\n    className={cn(\"flex flex-row items-center gap-1\", className)}\n    {...props}\n  />\n))\nPaginationContent.displayName = \"PaginationContent\"\n\nconst PaginationItem = React.forwardRef<\n  HTMLLIElement,\n  React.ComponentProps<\"li\">\n>(({ className, ...props }, ref) => (\n  <li ref={ref} className={cn(\"\", className)} {...props} />\n))\nPaginationItem.displayName = \"PaginationItem\"\n\ntype PaginationLinkProps = {\n  isActive?: boolean\n} & Pick<ButtonProps, \"size\"> &\n  React.ComponentProps<\"a\">\n\nconst PaginationLink = ({\n  className,\n  isActive,\n  size = \"icon\",\n  ...props\n}: PaginationLinkProps) => (\n  <PaginationItem>\n    <a\n      aria-current={isActive ? \"page\" : undefined}\n      className={cn(\n        buttonVariants({\n          variant: isActive ? \"outline\" : \"ghost\",\n          size,\n        }),\n        className\n      )}\n      {...props}\n    />\n  </PaginationItem>\n)\nPaginationLink.displayName = \"PaginationLink\"\n\nconst PaginationPrevious = ({\n  className,\n  ...props\n}: React.ComponentProps<typeof PaginationLink>) => (\n  <PaginationLink\n    aria-label=\"Go to previous page\"\n    size=\"default\"\n    className={cn(\"gap-1 pl-2.5\", className)}\n    {...props}\n  >\n    <ChevronLeft className=\"h-4 w-4\" />\n    <span>Previous</span>\n  </PaginationLink>\n)\nPaginationPrevious.displayName = \"PaginationPrevious\"\n\nconst PaginationNext = ({\n  className,\n  ...props\n}: React.ComponentProps<typeof PaginationLink>) => (\n  <PaginationLink\n    aria-label=\"Go to next page\"\n    size=\"default\"\n    className={cn(\"gap-1 pr-2.5\", className)}\n    {...props}\n  >\n    <span>Next</span>\n    <ChevronRight className=\"h-4 w-4\" />\n  </PaginationLink>\n)\n\nconst PaginationEllipsis = ({\n  className,\n  ...props\n}: React.ComponentProps<\"span\">) => (\n  <span\n    aria-hidden\n    className={cn(\"flex h-9 w-9 items-center justify-center\", className)}\n    {...props}\n  >\n    <MoreHorizontal className=\"h-4 w-4\" />\n    <span className=\"sr-only\">More pages</span>\n  </span>\n)\n\nexport {\n  Pagination,\n  PaginationContent,\n  PaginationEllipsis,\n  PaginationItem,\n  PaginationLink,\n  PaginationNext,\n  PaginationPrevious,\n}\n"
+      "content": "import * as React from \"react\"\nimport { ChevronLeft, ChevronRight, MoreHorizontal } from \"lucide-react\"\n\nimport { cn } from \"@/lib/utils\"\nimport { ButtonProps, buttonVariants } from \"@/registry/default/ui/button\"\n\nconst Pagination = ({ className, ...props }: React.ComponentProps<\"nav\">) => (\n  <nav\n    role=\"navigation\"\n    aria-label=\"pagination\"\n    className={cn(\"mx-auto flex w-full justify-center\", className)}\n    {...props}\n  />\n)\nPagination.displayName = \"Pagination\"\n\nconst PaginationContent = React.forwardRef<\n  HTMLUListElement,\n  React.ComponentProps<\"ul\">\n>(({ className, ...props }, ref) => (\n  <ul\n    ref={ref}\n    className={cn(\"flex flex-row items-center gap-1\", className)}\n    {...props}\n  />\n))\nPaginationContent.displayName = \"PaginationContent\"\n\nconst PaginationItem = React.forwardRef<\n  HTMLLIElement,\n  React.ComponentProps<\"li\">\n>(({ className, ...props }, ref) => (\n  <li ref={ref} className={cn(\"\", className)} {...props} />\n))\nPaginationItem.displayName = \"PaginationItem\"\n\ntype PaginationLinkProps = {\n  isActive?: boolean\n} & Pick<ButtonProps, \"size\"> &\n  React.ComponentProps<\"a\">\n\nconst PaginationLink = ({\n  className,\n  isActive,\n  size = \"icon\",\n  ...props\n}: PaginationLinkProps) => (\n  <a\n    aria-current={isActive ? \"page\" : undefined}\n    className={cn(\n      buttonVariants({\n        variant: isActive ? \"outline\" : \"ghost\",\n        size,\n      }),\n      className\n    )}\n    {...props}\n  />\n)\nPaginationLink.displayName = \"PaginationLink\"\n\nconst PaginationPrevious = ({\n  className,\n  ...props\n}: React.ComponentProps<typeof PaginationLink>) => (\n  <PaginationLink\n    aria-label=\"Go to previous page\"\n    size=\"default\"\n    className={cn(\"gap-1 pl-2.5\", className)}\n    {...props}\n  >\n    <ChevronLeft className=\"h-4 w-4\" />\n    <span>Previous</span>\n  </PaginationLink>\n)\nPaginationPrevious.displayName = \"PaginationPrevious\"\n\nconst PaginationNext = ({\n  className,\n  ...props\n}: React.ComponentProps<typeof PaginationLink>) => (\n  <PaginationLink\n    aria-label=\"Go to next page\"\n    size=\"default\"\n    className={cn(\"gap-1 pr-2.5\", className)}\n    {...props}\n  >\n    <span>Next</span>\n    <ChevronRight className=\"h-4 w-4\" />\n  </PaginationLink>\n)\nPaginationNext.displayName = \"PaginationNext\"\n\nconst PaginationEllipsis = ({\n  className,\n  ...props\n}: React.ComponentProps<\"span\">) => (\n  <span\n    aria-hidden\n    className={cn(\"flex h-9 w-9 items-center justify-center\", className)}\n    {...props}\n  >\n    <MoreHorizontal className=\"h-4 w-4\" />\n    <span className=\"sr-only\">More pages</span>\n  </span>\n)\nPaginationEllipsis.displayName = \"PaginationEllipsis\"\n\nexport {\n  Pagination,\n  PaginationContent,\n  PaginationEllipsis,\n  PaginationItem,\n  PaginationLink,\n  PaginationNext,\n  PaginationPrevious,\n}\n"
     }
   ],
   "type": "components:ui"

apps/www/public/registry/styles/new-york/pagination.json

@@ -6,7 +6,7 @@
   "files": [
     {
       "name": "pagination.tsx",
-      "content": "import * as React from \"react\"\nimport {\n  ChevronLeftIcon,\n  ChevronRightIcon,\n  DotsHorizontalIcon,\n} from \"@radix-ui/react-icons\"\n\nimport { cn } from \"@/lib/utils\"\nimport { ButtonProps, buttonVariants } from \"@/registry/new-york/ui/button\"\n\nconst Pagination = ({ className, ...props }: React.ComponentProps<\"nav\">) => (\n  <nav\n    role=\"navigation\"\n    aria-label=\"pagination\"\n    className={cn(\"mx-auto flex w-full justify-center\", className)}\n    {...props}\n  />\n)\n\nconst PaginationContent = React.forwardRef<\n  HTMLUListElement,\n  React.ComponentProps<\"ul\">\n>(({ className, ...props }, ref) => (\n  <ul\n    ref={ref}\n    className={cn(\"flex flex-row items-center gap-1\", className)}\n    {...props}\n  />\n))\nPaginationContent.displayName = \"PaginationContent\"\n\nconst PaginationItem = React.forwardRef<\n  HTMLLIElement,\n  React.ComponentProps<\"li\">\n>(({ className, ...props }, ref) => (\n  <li ref={ref} className={cn(\"\", className)} {...props} />\n))\nPaginationItem.displayName = \"PaginationItem\"\n\ntype PaginationLinkProps = {\n  isActive?: boolean\n} & Pick<ButtonProps, \"size\"> &\n  React.ComponentProps<\"a\">\n\nconst PaginationLink = ({\n  className,\n  isActive,\n  size = \"icon\",\n  ...props\n}: PaginationLinkProps) => (\n  <PaginationItem>\n    <a\n      aria-current={isActive ? \"page\" : undefined}\n      className={cn(\n        buttonVariants({\n          variant: isActive ? \"outline\" : \"ghost\",\n          size,\n        }),\n        className\n      )}\n      {...props}\n    />\n  </PaginationItem>\n)\nPaginationLink.displayName = \"PaginationLink\"\n\nconst PaginationPrevious = ({\n  className,\n  ...props\n}: React.ComponentProps<typeof PaginationLink>) => (\n  <PaginationLink\n    aria-label=\"Go to previous page\"\n    size=\"default\"\n    className={cn(\"gap-1 pl-2.5\", className)}\n    {...props}\n  >\n    <ChevronLeftIcon className=\"h-4 w-4\" />\n    <span>Previous</span>\n  </PaginationLink>\n)\nPaginationPrevious.displayName = \"PaginationPrevious\"\n\nconst PaginationNext = ({\n  className,\n  ...props\n}: React.ComponentProps<typeof PaginationLink>) => (\n  <PaginationLink\n    aria-label=\"Go to next page\"\n    size=\"default\"\n    className={cn(\"gap-1 pr-2.5\", className)}\n    {...props}\n  >\n    <span>Next</span>\n    <ChevronRightIcon className=\"h-4 w-4\" />\n  </PaginationLink>\n)\n\nconst PaginationEllipsis = ({\n  className,\n  ...props\n}: React.ComponentProps<\"span\">) => (\n  <span\n    aria-hidden\n    className={cn(\"flex h-9 w-9 items-center justify-center\", className)}\n    {...props}\n  >\n    <DotsHorizontalIcon className=\"h-4 w-4\" />\n    <span className=\"sr-only\">More pages</span>\n  </span>\n)\n\nexport {\n  Pagination,\n  PaginationContent,\n  PaginationLink,\n  PaginationItem,\n  PaginationPrevious,\n  PaginationNext,\n  PaginationEllipsis,\n}\n"
+      "content": "import * as React from \"react\"\nimport {\n  ChevronLeftIcon,\n  ChevronRightIcon,\n  DotsHorizontalIcon,\n} from \"@radix-ui/react-icons\"\n\nimport { cn } from \"@/lib/utils\"\nimport { ButtonProps, buttonVariants } from \"@/registry/new-york/ui/button\"\n\nconst Pagination = ({ className, ...props }: React.ComponentProps<\"nav\">) => (\n  <nav\n    role=\"navigation\"\n    aria-label=\"pagination\"\n    className={cn(\"mx-auto flex w-full justify-center\", className)}\n    {...props}\n  />\n)\nPagination.displayName = \"Pagination\"\n\nconst PaginationContent = React.forwardRef<\n  HTMLUListElement,\n  React.ComponentProps<\"ul\">\n>(({ className, ...props }, ref) => (\n  <ul\n    ref={ref}\n    className={cn(\"flex flex-row items-center gap-1\", className)}\n    {...props}\n  />\n))\nPaginationContent.displayName = \"PaginationContent\"\n\nconst PaginationItem = React.forwardRef<\n  HTMLLIElement,\n  React.ComponentProps<\"li\">\n>(({ className, ...props }, ref) => (\n  <li ref={ref} className={cn(\"\", className)} {...props} />\n))\nPaginationItem.displayName = \"PaginationItem\"\n\ntype PaginationLinkProps = {\n  isActive?: boolean\n} & Pick<ButtonProps, \"size\"> &\n  React.ComponentProps<\"a\">\n\nconst PaginationLink = ({\n  className,\n  isActive,\n  size = \"icon\",\n  ...props\n}: PaginationLinkProps) => (\n  <a\n    aria-current={isActive ? \"page\" : undefined}\n    className={cn(\n      buttonVariants({\n        variant: isActive ? \"outline\" : \"ghost\",\n        size,\n      }),\n      className\n    )}\n    {...props}\n  />\n)\nPaginationLink.displayName = \"PaginationLink\"\n\nconst PaginationPrevious = ({\n  className,\n  ...props\n}: React.ComponentProps<typeof PaginationLink>) => (\n  <PaginationLink\n    aria-label=\"Go to previous page\"\n    size=\"default\"\n    className={cn(\"gap-1 pl-2.5\", className)}\n    {...props}\n  >\n    <ChevronLeftIcon className=\"h-4 w-4\" />\n    <span>Previous</span>\n  </PaginationLink>\n)\nPaginationPrevious.displayName = \"PaginationPrevious\"\n\nconst PaginationNext = ({\n  className,\n  ...props\n}: React.ComponentProps<typeof PaginationLink>) => (\n  <PaginationLink\n    aria-label=\"Go to next page\"\n    size=\"default\"\n    className={cn(\"gap-1 pr-2.5\", className)}\n    {...props}\n  >\n    <span>Next</span>\n    <ChevronRightIcon className=\"h-4 w-4\" />\n  </PaginationLink>\n)\nPaginationNext.displayName = \"PaginationNext\"\n\nconst PaginationEllipsis = ({\n  className,\n  ...props\n}: React.ComponentProps<\"span\">) => (\n  <span\n    aria-hidden\n    className={cn(\"flex h-9 w-9 items-center justify-center\", className)}\n    {...props}\n  >\n    <DotsHorizontalIcon className=\"h-4 w-4\" />\n    <span className=\"sr-only\">More pages</span>\n  </span>\n)\nPaginationEllipsis.displayName = \"PaginationEllipsis\"\n\nexport {\n  Pagination,\n  PaginationContent,\n  PaginationLink,\n  PaginationItem,\n  PaginationPrevious,\n  PaginationNext,\n  PaginationEllipsis,\n}\n"
     }
   ],
   "type": "components:ui"

apps/www/registry/default/ui/carousel.tsx

@@ -2,18 +2,21 @@
 
 import * as React from "react"
 import useEmblaCarousel, {
-  type EmblaCarouselType as CarouselApi,
-  type EmblaOptionsType as CarouselOptions,
-  type EmblaPluginType as CarouselPlugin,
+  type UseEmblaCarouselType,
 } from "embla-carousel-react"
 import { ArrowLeft, ArrowRight } from "lucide-react"
 
 import { cn } from "@/lib/utils"
 import { Button } from "@/registry/default/ui/button"
 
+type CarouselApi = UseEmblaCarouselType[1]
+type UseCarouselParameters = Parameters<typeof useEmblaCarousel>
+type CarouselOptions = UseCarouselParameters[0]
+type CarouselPlugin = UseCarouselParameters[1]
+
 type CarouselProps = {
   opts?: CarouselOptions
-  plugins?: CarouselPlugin[]
+  plugins?: CarouselPlugin
   orientation?: "horizontal" | "vertical"
   setApi?: (api: CarouselApi) => void
 }

apps/www/registry/default/ui/pagination.tsx

@@ -12,6 +12,7 @@ const Pagination = ({ className, ...props }: React.ComponentProps<"nav">) => (
     {...props}
   />
 )
+Pagination.displayName = "Pagination"
 
 const PaginationContent = React.forwardRef<
   HTMLUListElement,
@@ -44,19 +45,17 @@ const PaginationLink = ({
   size = "icon",
   ...props
 }: PaginationLinkProps) => (
-  <PaginationItem>
-    <a
-      aria-current={isActive ? "page" : undefined}
-      className={cn(
-        buttonVariants({
-          variant: isActive ? "outline" : "ghost",
-          size,
-        }),
-        className
-      )}
-      {...props}
-    />
-  </PaginationItem>
+  <a
+    aria-current={isActive ? "page" : undefined}
+    className={cn(
+      buttonVariants({
+        variant: isActive ? "outline" : "ghost",
+        size,
+      }),
+      className
+    )}
+    {...props}
+  />
 )
 PaginationLink.displayName = "PaginationLink"
 
@@ -90,6 +89,7 @@ const PaginationNext = ({
     <ChevronRight className="h-4 w-4" />
   </PaginationLink>
 )
+PaginationNext.displayName = "PaginationNext"
 
 const PaginationEllipsis = ({
   className,
@@ -104,6 +104,7 @@ const PaginationEllipsis = ({
     <span className="sr-only">More pages</span>
   </span>
 )
+PaginationEllipsis.displayName = "PaginationEllipsis"
 
 export {
   Pagination,

apps/www/registry/new-york/ui/carousel.tsx

@@ -3,17 +3,20 @@
 import * as React from "react"
 import { ArrowLeftIcon, ArrowRightIcon } from "@radix-ui/react-icons"
 import useEmblaCarousel, {
-  type EmblaCarouselType as CarouselApi,
-  type EmblaOptionsType as CarouselOptions,
-  type EmblaPluginType as CarouselPlugin,
+  type UseEmblaCarouselType,
 } from "embla-carousel-react"
 
 import { cn } from "@/lib/utils"
 import { Button } from "@/registry/new-york/ui/button"
 
+type CarouselApi = UseEmblaCarouselType[1]
+type UseCarouselParameters = Parameters<typeof useEmblaCarousel>
+type CarouselOptions = UseCarouselParameters[0]
+type CarouselPlugin = UseCarouselParameters[1]
+
 type CarouselProps = {
   opts?: CarouselOptions
-  plugins?: CarouselPlugin[]
+  plugins?: CarouselPlugin
   orientation?: "horizontal" | "vertical"
   setApi?: (api: CarouselApi) => void
 }

apps/www/registry/new-york/ui/pagination.tsx

@@ -16,6 +16,7 @@ const Pagination = ({ className, ...props }: React.ComponentProps<"nav">) => (
     {...props}
   />
 )
+Pagination.displayName = "Pagination"
 
 const PaginationContent = React.forwardRef<
   HTMLUListElement,
@@ -48,19 +49,17 @@ const PaginationLink = ({
   size = "icon",
   ...props
 }: PaginationLinkProps) => (
-  <PaginationItem>
-    <a
-      aria-current={isActive ? "page" : undefined}
-      className={cn(
-        buttonVariants({
-          variant: isActive ? "outline" : "ghost",
-          size,
-        }),
-        className
-      )}
-      {...props}
-    />
-  </PaginationItem>
+  <a
+    aria-current={isActive ? "page" : undefined}
+    className={cn(
+      buttonVariants({
+        variant: isActive ? "outline" : "ghost",
+        size,
+      }),
+      className
+    )}
+    {...props}
+  />
 )
 PaginationLink.displayName = "PaginationLink"
 
@@ -94,6 +93,7 @@ const PaginationNext = ({
     <ChevronRightIcon className="h-4 w-4" />
   </PaginationLink>
 )
+PaginationNext.displayName = "PaginationNext"
 
 const PaginationEllipsis = ({
   className,
@@ -108,6 +108,7 @@ const PaginationEllipsis = ({
     <span className="sr-only">More pages</span>
   </span>
 )
+PaginationEllipsis.displayName = "PaginationEllipsis"
 
 export {
   Pagination,

apps/www/registry/registry.ts

@@ -60,7 +60,6 @@ const ui: Registry = [
     files: ["ui/carousel.tsx"],
     registryDependencies: ["button"],
     dependencies: ["embla-carousel-react"],
-    devDependencies: ["embla-carousel"],
   },
   {
     name: "checkbox",

package.json

@@ -18,8 +18,9 @@
     "build:cli": "turbo --filter=shadcn-ui build",
     "build:registry": "pnpm --filter=www build:registry",
     "dev": "turbo run dev --parallel",
-    "dev:cli": "turbo --filter=shadcn-ui dev",
-    "start:cli": "pnpm --filter=shadcn-ui start:dev",
+    "cli:dev": "turbo --filter=shadcn-ui dev",
+    "cli:start": "pnpm --filter=shadcn-ui start:dev",
+    "www:dev": "pnpm --filter=www dev",
     "lint": "turbo run lint",
     "lint:fix": "turbo run lint:fix",
     "preview": "turbo run preview",

packages/cli/CHANGELOG.md

@@ -1,5 +1,11 @@
 # @shadcn/ui
 
+## 0.8.0
+
+### Minor Changes
+
+- [#2454](https://github.com/shadcn-ui/ui/pull/2454) [`0374ba8`](https://github.com/shadcn-ui/ui/commit/0374ba874d1c76ae08660c655aea6cdf7a7817f6) Thanks [@shadcn](https://github.com/shadcn)! - add automatic config detection for Next.js
+
 ## 0.7.0
 
 ### Minor Changes

packages/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "shadcn-ui",
-  "version": "0.7.0",
+  "version": "0.8.0",
   "description": "Add components to your apps.",
   "publishConfig": {
     "access": "public"
@@ -53,6 +53,7 @@
     "cosmiconfig": "^8.1.3",
     "diff": "^5.1.0",
     "execa": "^7.0.0",
+    "fast-glob": "^3.3.2",
     "fs-extra": "^11.1.0",
     "https-proxy-agent": "^6.2.0",
     "lodash.template": "^4.5.0",

packages/cli/src/commands/init.ts

@@ -1,5 +1,6 @@
 import { existsSync, promises as fs } from "fs"
 import path from "path"
+import { applyCSSUpdates } from "@/src/utils/css"
 import {
   DEFAULT_COMPONENTS,
   DEFAULT_TAILWIND_CONFIG,
@@ -11,6 +12,7 @@ import {
   type Config,
 } from "@/src/utils/get-config"
 import { getPackageManager } from "@/src/utils/get-package-manager"
+import { getProjectConfig, preFlight } from "@/src/utils/get-project-info"
 import { handleError } from "@/src/utils/handle-error"
 import { logger } from "@/src/utils/logger"
 import {
@@ -39,12 +41,14 @@ const PROJECT_DEPENDENCIES = [
 const initOptionsSchema = z.object({
   cwd: z.string(),
   yes: z.boolean(),
+  defaults: z.boolean(),
 })
 
 export const init = new Command()
   .name("init")
   .description("initialize your project and install dependencies")
   .option("-y, --yes", "skip confirmation prompt.", false)
+  .option("-d, --defaults,", "use default configuration.", false)
   .option(
     "-c, --cwd <cwd>",
     "the working directory. defaults to the current directory.",
@@ -61,15 +65,28 @@ export const init = new Command()
         process.exit(1)
       }
 
-      // Read config.
-      const existingConfig = await getConfig(cwd)
-      const config = await promptForConfig(cwd, existingConfig, options.yes)
+      preFlight(cwd)
 
-      await runInit(cwd, config)
+      const projectConfig = await getProjectConfig(cwd)
+      if (projectConfig) {
+        const config = await promptForMinimalConfig(
+          cwd,
+          projectConfig,
+          opts.defaults
+        )
+        await runInit(cwd, config)
+      } else {
+        // Read config.
+        const existingConfig = await getConfig(cwd)
+        const config = await promptForConfig(cwd, existingConfig, options.yes)
+        await runInit(cwd, config)
+      }
 
       logger.info("")
       logger.info(
-        `${chalk.green("Success!")} Project initialization completed.`
+        `${chalk.green(
+          "Success!"
+        )} Project initialization completed. You may now add components.`
       )
       logger.info("")
     } catch (error) {
@@ -213,6 +230,81 @@ export async function promptForConfig(
   return await resolveConfigPaths(cwd, config)
 }
 
+export async function promptForMinimalConfig(
+  cwd: string,
+  defaultConfig: Config,
+  defaults = false
+) {
+  const highlight = (text: string) => chalk.cyan(text)
+  let style = defaultConfig.style
+  let baseColor = defaultConfig.tailwind.baseColor
+  let cssVariables = defaultConfig.tailwind.cssVariables
+
+  if (!defaults) {
+    const styles = await getRegistryStyles()
+    const baseColors = await getRegistryBaseColors()
+
+    const options = await prompts([
+      {
+        type: "select",
+        name: "style",
+        message: `Which ${highlight("style")} would you like to use?`,
+        choices: styles.map((style) => ({
+          title: style.label,
+          value: style.name,
+        })),
+      },
+      {
+        type: "select",
+        name: "tailwindBaseColor",
+        message: `Which color would you like to use as ${highlight(
+          "base color"
+        )}?`,
+        choices: baseColors.map((color) => ({
+          title: color.label,
+          value: color.name,
+        })),
+      },
+      {
+        type: "toggle",
+        name: "tailwindCssVariables",
+        message: `Would you like to use ${highlight(
+          "CSS variables"
+        )} for colors?`,
+        initial: defaultConfig?.tailwind.cssVariables,
+        active: "yes",
+        inactive: "no",
+      },
+    ])
+
+    style = options.style
+    baseColor = options.tailwindBaseColor
+    cssVariables = options.tailwindCssVariables
+  }
+
+  const config = rawConfigSchema.parse({
+    $schema: defaultConfig?.$schema,
+    style,
+    tailwind: {
+      ...defaultConfig?.tailwind,
+      baseColor,
+      cssVariables,
+    },
+    rsc: defaultConfig?.rsc,
+    tsx: defaultConfig?.tsx,
+    aliases: defaultConfig?.aliases,
+  })
+
+  // Write to file.
+  logger.info("")
+  const spinner = ora(`Writing components.json...`).start()
+  const targetPath = path.resolve(cwd, "components.json")
+  await fs.writeFile(targetPath, JSON.stringify(config, null, 2), "utf8")
+  spinner.succeed()
+
+  return await resolveConfigPaths(cwd, config)
+}
+
 export async function runInit(cwd: string, config: Config) {
   const spinner = ora(`Initializing project...`)?.start()
 
@@ -266,16 +358,17 @@ export async function runInit(cwd: string, config: Config) {
 
   // Write css file.
   const baseColor = await getRegistryBaseColor(config.tailwind.baseColor)
+
   if (baseColor) {
-    await fs.writeFile(
+    const cssFileInput = await fs.readFile(
       config.resolvedPaths.tailwindCss,
-      config.tailwind.cssVariables
-        ? config.tailwind.prefix
-          ? applyPrefixesCss(baseColor.cssVarsTemplate, config.tailwind.prefix)
-          : baseColor.cssVarsTemplate
-        : baseColor.inlineColorsTemplate,
       "utf8"
     )
+    // const cssFileTemplate = config.tailwind.cssVariables
+    //   ? baseColor.cssVarsTemplate
+    //   : baseColor.inlineColorsTemplate
+    const cssFileContent = applyCSSUpdates(cssFileInput, baseColor, config)
+    await fs.writeFile(config.resolvedPaths.tailwindCss, cssFileContent, "utf8")
   }
 
   // Write cn file.

packages/cli/src/utils/css.ts

@@ -0,0 +1,86 @@
+import { Config } from "@/src/utils/get-config"
+import { registryBaseColorSchema } from "@/src/utils/registry/schema"
+import { applyPrefixesCss } from "@/src/utils/transformers/transform-tw-prefix"
+import * as z from "zod"
+
+// This does a simple string replacement.
+// TODO: Do we want to use a proper CSS transformer here? Probably not right now.
+export function applyCSSUpdates(
+  input: string,
+  baseColor: Pick<z.infer<typeof registryBaseColorSchema>, "cssVars">,
+  config: Partial<Config>
+) {
+  if (!isCSSUpdateRequired(input, config)) {
+    return input
+  }
+
+  let output = input
+  // Check if the file contains the `@tailwind` directives.
+  // We assume it does since Tailwind CSS is checked in preflight.
+  if (!input.includes("@tailwind base")) {
+    // Prepend the `@tailwind` directives.
+    output = `@tailwind base;\n@tailwind components;\n@tailwind utilities;\n\n${input}`
+  }
+
+  // No additional changes if not using CSS variables.
+  if (!config.tailwind?.cssVariables) {
+    return output
+  }
+
+  const lightColors = Object.entries(baseColor.cssVars.light).map(
+    ([name, value]) => `    --${name}: ${value};`
+  )
+  const darkColors = Object.entries(baseColor.cssVars.dark).map(
+    ([name, value]) => `    --${name}: ${value};`
+  )
+
+  output = output.replace(
+    /@tailwind utilities;/,
+    `@tailwind utilities;\n
+@layer base {
+  :root {
+${lightColors.join("\n")}
+  }
+
+  .dark {
+${darkColors.join("\n")}
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}`
+  )
+
+  if (config.tailwind.prefix) {
+    output = applyPrefixesCss(output, config.tailwind.prefix)
+  }
+
+  return output
+}
+
+function isCSSUpdateRequired(input: string, config: Partial<Config>) {
+  // Check for tailwind directives.
+  const hasTailwindDirectives =
+    input.includes("@tailwind base") &&
+    input.includes("@tailwind utilities") &&
+    input.includes("@tailwind components")
+
+  // If we're not using CSS variables, we only check for the `@tailwind` directives.
+  if (!config.tailwind?.cssVariables) {
+    return !hasTailwindDirectives
+  }
+
+  // If we are using CSS variables, we check for the `@layer base` directives.
+  // And we check for the `--background` and `--foreground` variables.
+  return !(
+    input.includes("@layer base") &&
+    input.includes("--background") &&
+    input.includes("--foreground")
+  )
+}

packages/cli/src/utils/get-project-info.ts

@@ -1,6 +1,33 @@
 import { existsSync } from "fs"
 import path from "path"
-import fs from "fs-extra"
+import {
+  Config,
+  RawConfig,
+  getConfig,
+  resolveConfigPaths,
+} from "@/src/utils/get-config"
+import fg from "fast-glob"
+import fs, { pathExists } from "fs-extra"
+import { loadConfig } from "tsconfig-paths"
+
+// TODO: Add support for more frameworks.
+// We'll start with Next.js for now.
+const PROJECT_TYPES = [
+  "next-app",
+  "next-app-src",
+  "next-pages",
+  "next-pages-src",
+] as const
+
+type ProjectType = (typeof PROJECT_TYPES)[number]
+
+const PROJECT_SHARED_IGNORE = [
+  "**/node_modules/**",
+  ".next",
+  "public",
+  "dist",
+  "build",
+]
 
 export async function getProjectInfo() {
   const info = {
@@ -42,3 +69,126 @@ export async function getTsConfig() {
     return null
   }
 }
+
+export async function getProjectConfig(cwd: string): Promise<Config | null> {
+  // Check for existing component config.
+  const existingConfig = await getConfig(cwd)
+  if (existingConfig) {
+    return existingConfig
+  }
+
+  const projectType = await getProjectType(cwd)
+  const tailwindCssFile = await getTailwindCssFile(cwd)
+  const tsConfigAliasPrefix = await getTsConfigAliasPrefix(cwd)
+
+  if (!projectType || !tailwindCssFile || !tsConfigAliasPrefix) {
+    return null
+  }
+
+  const isTsx = await isTypeScriptProject(cwd)
+
+  const config: RawConfig = {
+    $schema: "https://ui.shadcn.com/schema.json",
+    rsc: ["next-app", "next-app-src"].includes(projectType),
+    tsx: isTsx,
+    style: "new-york",
+    tailwind: {
+      config: isTsx ? "tailwind.config.ts" : "tailwind.config.js",
+      baseColor: "zinc",
+      css: tailwindCssFile,
+      cssVariables: true,
+      prefix: "",
+    },
+    aliases: {
+      utils: `${tsConfigAliasPrefix}/lib/utils`,
+      components: `${tsConfigAliasPrefix}/components`,
+    },
+  }
+
+  return await resolveConfigPaths(cwd, config)
+}
+
+export async function getProjectType(cwd: string): Promise<ProjectType | null> {
+  const files = await fg.glob("**/*", {
+    cwd,
+    deep: 3,
+    ignore: PROJECT_SHARED_IGNORE,
+  })
+
+  const isNextProject = files.find((file) => file.startsWith("next.config."))
+  if (!isNextProject) {
+    return null
+  }
+
+  const isUsingSrcDir = await fs.pathExists(path.resolve(cwd, "src"))
+  const isUsingAppDir = await fs.pathExists(
+    path.resolve(cwd, `${isUsingSrcDir ? "src/" : ""}app`)
+  )
+
+  if (isUsingAppDir) {
+    return isUsingSrcDir ? "next-app-src" : "next-app"
+  }
+
+  return isUsingSrcDir ? "next-pages-src" : "next-pages"
+}
+
+export async function getTailwindCssFile(cwd: string) {
+  const files = await fg.glob("**/*.css", {
+    cwd,
+    deep: 3,
+    ignore: PROJECT_SHARED_IGNORE,
+  })
+
+  if (!files.length) {
+    return null
+  }
+
+  for (const file of files) {
+    const contents = await fs.readFile(path.resolve(cwd, file), "utf8")
+    // Assume that if the file contains `@tailwind base` it's the main css file.
+    if (contents.includes("@tailwind base")) {
+      return file
+    }
+  }
+
+  return null
+}
+
+export async function getTsConfigAliasPrefix(cwd: string) {
+  const tsConfig = await loadConfig(cwd)
+
+  if (tsConfig?.resultType === "failed" || !tsConfig?.paths) {
+    return null
+  }
+
+  // This assume that the first alias is the prefix.
+  for (const [alias, paths] of Object.entries(tsConfig.paths)) {
+    if (paths.includes("./*") || paths.includes("./src/*")) {
+      return alias.at(0)
+    }
+  }
+
+  return null
+}
+
+export async function isTypeScriptProject(cwd: string) {
+  // Check if cwd has a tsconfig.json file.
+  return pathExists(path.resolve(cwd, "tsconfig.json"))
+}
+
+export async function preFlight(cwd: string) {
+  // We need Tailwind CSS to be configured.
+  const tailwindConfig = await fg.glob("tailwind.config.*", {
+    cwd,
+    deep: 3,
+    ignore: PROJECT_SHARED_IGNORE,
+  })
+
+  if (!tailwindConfig.length) {
+    throw new Error(
+      "Tailwind CSS is not installed. Visit https://tailwindcss.com/docs/installation to get started."
+    )
+  }
+
+  return true
+}

packages/cli/test/fixtures/css/app-globals.css

@@ -0,0 +1,27 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  --foreground-rgb: 0, 0, 0;
+  --background-start-rgb: 214, 219, 220;
+  --background-end-rgb: 255, 255, 255;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --foreground-rgb: 255, 255, 255;
+    --background-start-rgb: 0, 0, 0;
+    --background-end-rgb: 0, 0, 0;
+  }
+}
+
+body {
+  color: rgb(var(--foreground-rgb));
+  background: linear-gradient(
+      to bottom,
+      transparent,
+      rgb(var(--background-end-rgb))
+    )
+    rgb(var(--background-start-rgb));
+}

packages/cli/test/fixtures/css/applied-css-vars.css

@@ -0,0 +1,38 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 224 71.4% 4.1%;
+    --primary: 220.9 39.3% 11%;
+    --primary-foreground: 210 20% 98%;
+    --border: 220 13% 91%;
+    --input: 220 13% 91%;
+    --ring: 224 71.4% 4.1%;
+  }
+
+  .dark {
+    --background: 224 71.4% 4.1%;
+    --foreground: 210 20% 98%;
+    --primary: 210 20% 98%;
+    --primary-foreground: 220.9 39.3% 11%;
+    --border: 215 27.9% 16.9%;
+    --input: 215 27.9% 16.9%;
+    --ring: 216 12.2% 83.9%;
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}
+
+body {
+  background-color: tomato;
+}

packages/cli/test/fixtures/css/applied.css

@@ -0,0 +1,7 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+body {
+  background-color: tomato;
+}

packages/cli/test/fixtures/css/no-tailwind.css

@@ -0,0 +1,3 @@
+body {
+  background-color: tomato;
+}

packages/cli/test/fixtures/next-app-js/app/globals.css

@@ -0,0 +1,27 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  --foreground-rgb: 0, 0, 0;
+  --background-start-rgb: 214, 219, 220;
+  --background-end-rgb: 255, 255, 255;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --foreground-rgb: 255, 255, 255;
+    --background-start-rgb: 0, 0, 0;
+    --background-end-rgb: 0, 0, 0;
+  }
+}
+
+body {
+  color: rgb(var(--foreground-rgb));
+  background: linear-gradient(
+      to bottom,
+      transparent,
+      rgb(var(--background-end-rgb))
+    )
+    rgb(var(--background-start-rgb));
+}

packages/cli/test/fixtures/next-app-js/app/layout.js

@@ -0,0 +1,17 @@
+import { Inter } from 'next/font/google'
+import './globals.css'
+
+const inter = Inter({ subsets: ['latin'] })
+
+export const metadata = {
+  title: 'Create Next App',
+  description: 'Generated by create next app',
+}
+
+export default function RootLayout({ children }) {
+  return (
+    <html lang="en">
+      <body className={inter.className}>{children}</body>
+    </html>
+  )
+}

packages/cli/test/fixtures/next-app-js/app/page.js

@@ -0,0 +1,113 @@
+import Image from 'next/image'
+
+export default function Home() {
+  return (
+    <main className="flex min-h-screen flex-col items-center justify-between p-24">
+      <div className="z-10 max-w-5xl w-full items-center justify-between font-mono text-sm lg:flex">
+        <p className="fixed left-0 top-0 flex w-full justify-center border-b border-gray-300 bg-gradient-to-b from-zinc-200 pb-6 pt-8 backdrop-blur-2xl dark:border-neutral-800 dark:bg-zinc-800/30 dark:from-inherit lg:static lg:w-auto  lg:rounded-xl lg:border lg:bg-gray-200 lg:p-4 lg:dark:bg-zinc-800/30">
+          Get started by editing&nbsp;
+          <code className="font-mono font-bold">app/page.js</code>
+        </p>
+        <div className="fixed bottom-0 left-0 flex h-48 w-full items-end justify-center bg-gradient-to-t from-white via-white dark:from-black dark:via-black lg:static lg:h-auto lg:w-auto lg:bg-none">
+          <a
+            className="pointer-events-none flex place-items-center gap-2 p-8 lg:pointer-events-auto lg:p-0"
+            href="https://vercel.com?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            By{' '}
+            <Image
+              src="/vercel.svg"
+              alt="Vercel Logo"
+              className="dark:invert"
+              width={100}
+              height={24}
+              priority
+            />
+          </a>
+        </div>
+      </div>
+
+      <div className="relative flex place-items-center before:absolute before:h-[300px] before:w-[480px] before:-translate-x-1/2 before:rounded-full before:bg-gradient-radial before:from-white before:to-transparent before:blur-2xl before:content-[''] after:absolute after:-z-20 after:h-[180px] after:w-[240px] after:translate-x-1/3 after:bg-gradient-conic after:from-sky-200 after:via-blue-200 after:blur-2xl after:content-[''] before:dark:bg-gradient-to-br before:dark:from-transparent before:dark:to-blue-700 before:dark:opacity-10 after:dark:from-sky-900 after:dark:via-[#0141ff] after:dark:opacity-40 before:lg:h-[360px] z-[-1]">
+        <Image
+          className="relative dark:drop-shadow-[0_0_0.3rem_#ffffff70] dark:invert"
+          src="/next.svg"
+          alt="Next.js Logo"
+          width={180}
+          height={37}
+          priority
+        />
+      </div>
+
+      <div className="mb-32 grid text-center lg:max-w-5xl lg:w-full lg:mb-0 lg:grid-cols-4 lg:text-left">
+        <a
+          href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Docs{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Find in-depth information about Next.js features and API.
+          </p>
+        </a>
+
+        <a
+          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800 hover:dark:bg-opacity-30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Learn{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Learn about Next.js in an interactive course with&nbsp;quizzes!
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Templates{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Explore starter templates for Next.js.
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Deploy{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Instantly deploy your Next.js site to a shareable URL with Vercel.
+          </p>
+        </a>
+      </div>
+    </main>
+  )
+}

packages/cli/test/fixtures/next-app-js/jsconfig.json

@@ -0,0 +1,7 @@
+{
+  "compilerOptions": {
+    "paths": {
+      "@/*": ["./*"]
+    }
+  }
+}

packages/cli/test/fixtures/next-app-js/next.config.js

@@ -0,0 +1,4 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {}
+
+module.exports = nextConfig

packages/cli/test/fixtures/next-app-js/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "app-js",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  },
+  "dependencies": {
+    "react": "^18",
+    "react-dom": "^18",
+    "next": "14.0.4"
+  },
+  "devDependencies": {
+    "autoprefixer": "^10.0.1",
+    "postcss": "^8",
+    "tailwindcss": "^3.3.0",
+    "eslint": "^8",
+    "eslint-config-next": "14.0.4"
+  }
+}

packages/cli/test/fixtures/next-app-js/postcss.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

packages/cli/test/fixtures/next-app-js/tailwind.config.js

@@ -0,0 +1,18 @@
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+  content: [
+    './pages/**/*.{js,ts,jsx,tsx,mdx}',
+    './components/**/*.{js,ts,jsx,tsx,mdx}',
+    './app/**/*.{js,ts,jsx,tsx,mdx}',
+  ],
+  theme: {
+    extend: {
+      backgroundImage: {
+        'gradient-radial': 'radial-gradient(var(--tw-gradient-stops))',
+        'gradient-conic':
+          'conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))',
+      },
+    },
+  },
+  plugins: [],
+}

packages/cli/test/fixtures/next-app-src/next-env.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/basic-features/typescript for more information.

packages/cli/test/fixtures/next-app-src/next.config.js

@@ -0,0 +1,4 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {}
+
+module.exports = nextConfig

packages/cli/test/fixtures/next-app-src/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-app-src/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "test-cli-next-app-src",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  }
+}

packages/cli/test/fixtures/next-app-src/postcss.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

packages/cli/test/fixtures/next-app-src/src/app/layout.tsx

@@ -0,0 +1,13 @@
+import "./styles.css"
+
+export default function RootLayout({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  return (
+    <html lang="en">
+      <body>{children}</body>
+    </html>
+  )
+}

packages/cli/test/fixtures/next-app-src/src/app/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-app-src/src/app/page.tsx

@@ -0,0 +1,113 @@
+import Image from 'next/image'
+
+export default function Home() {
+  return (
+    <main className="flex min-h-screen flex-col items-center justify-between p-24">
+      <div className="z-10 max-w-5xl w-full items-center justify-between font-mono text-sm lg:flex">
+        <p className="fixed left-0 top-0 flex w-full justify-center border-b border-gray-300 bg-gradient-to-b from-zinc-200 pb-6 pt-8 backdrop-blur-2xl dark:border-neutral-800 dark:bg-zinc-800/30 dark:from-inherit lg:static lg:w-auto  lg:rounded-xl lg:border lg:bg-gray-200 lg:p-4 lg:dark:bg-zinc-800/30">
+          Get started by editing&nbsp;
+          <code className="font-mono font-bold">src/app/page.tsx</code>
+        </p>
+        <div className="fixed bottom-0 left-0 flex h-48 w-full items-end justify-center bg-gradient-to-t from-white via-white dark:from-black dark:via-black lg:static lg:h-auto lg:w-auto lg:bg-none">
+          <a
+            className="pointer-events-none flex place-items-center gap-2 p-8 lg:pointer-events-auto lg:p-0"
+            href="https://vercel.com?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            By{' '}
+            <Image
+              src="/vercel.svg"
+              alt="Vercel Logo"
+              className="dark:invert"
+              width={100}
+              height={24}
+              priority
+            />
+          </a>
+        </div>
+      </div>
+
+      <div className="relative flex place-items-center before:absolute before:h-[300px] before:w-[480px] before:-translate-x-1/2 before:rounded-full before:bg-gradient-radial before:from-white before:to-transparent before:blur-2xl before:content-[''] after:absolute after:-z-20 after:h-[180px] after:w-[240px] after:translate-x-1/3 after:bg-gradient-conic after:from-sky-200 after:via-blue-200 after:blur-2xl after:content-[''] before:dark:bg-gradient-to-br before:dark:from-transparent before:dark:to-blue-700 before:dark:opacity-10 after:dark:from-sky-900 after:dark:via-[#0141ff] after:dark:opacity-40 before:lg:h-[360px] z-[-1]">
+        <Image
+          className="relative dark:drop-shadow-[0_0_0.3rem_#ffffff70] dark:invert"
+          src="/next.svg"
+          alt="Next.js Logo"
+          width={180}
+          height={37}
+          priority
+        />
+      </div>
+
+      <div className="mb-32 grid text-center lg:max-w-5xl lg:w-full lg:mb-0 lg:grid-cols-4 lg:text-left">
+        <a
+          href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Docs{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Find in-depth information about Next.js features and API.
+          </p>
+        </a>
+
+        <a
+          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Learn{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Learn about Next.js in an interactive course with&nbsp;quizzes!
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Templates{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Explore the Next.js 13 playground.
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Deploy{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Instantly deploy your Next.js site to a shareable URL with Vercel.
+          </p>
+        </a>
+      </div>
+    </main>
+  )
+}

packages/cli/test/fixtures/next-app-src/src/app/styles.css

@@ -0,0 +1,27 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  --foreground-rgb: 0, 0, 0;
+  --background-start-rgb: 214, 219, 220;
+  --background-end-rgb: 255, 255, 255;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --foreground-rgb: 255, 255, 255;
+    --background-start-rgb: 0, 0, 0;
+    --background-end-rgb: 0, 0, 0;
+  }
+}
+
+body {
+  color: rgb(var(--foreground-rgb));
+  background: linear-gradient(
+      to bottom,
+      transparent,
+      rgb(var(--background-end-rgb))
+    )
+    rgb(var(--background-start-rgb));
+}

packages/cli/test/fixtures/next-app-src/src/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-app-src/tailwind.config.ts

@@ -0,0 +1,21 @@
+// @ts-nocheck
+import type { Config } from 'tailwindcss'
+
+const config: Config = {
+  content: [
+    './src/pages/**/*.{js,ts,jsx,tsx,mdx}',
+    './src/components/**/*.{js,ts,jsx,tsx,mdx}',
+    './src/app/**/*.{js,ts,jsx,tsx,mdx}'
+  ],
+  theme: {
+    extend: {
+      backgroundImage: {
+        'gradient-radial': 'radial-gradient(var(--tw-gradient-stops))',
+        'gradient-conic':
+          'conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))'
+      }
+    }
+  },
+  plugins: []
+}
+export default config

packages/cli/test/fixtures/next-app-src/tsconfig.json

@@ -0,0 +1,27 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "incremental": true,
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ],
+    "paths": {
+      "#/*": ["./src/*"]
+    }
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "exclude": ["node_modules"]
+}

packages/cli/test/fixtures/next-app/app/globals.css

@@ -0,0 +1,27 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  --foreground-rgb: 0, 0, 0;
+  --background-start-rgb: 214, 219, 220;
+  --background-end-rgb: 255, 255, 255;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --foreground-rgb: 255, 255, 255;
+    --background-start-rgb: 0, 0, 0;
+    --background-end-rgb: 0, 0, 0;
+  }
+}
+
+body {
+  color: rgb(var(--foreground-rgb));
+  background: linear-gradient(
+      to bottom,
+      transparent,
+      rgb(var(--background-end-rgb))
+    )
+    rgb(var(--background-start-rgb));
+}

packages/cli/test/fixtures/next-app/app/layout.tsx

@@ -0,0 +1,22 @@
+import './globals.css'
+import type { Metadata } from 'next'
+import { Inter } from 'next/font/google'
+
+const inter = Inter({ subsets: ['latin'] })
+
+export const metadata: Metadata = {
+  title: 'Create Next App',
+  description: 'Generated by create next app',
+}
+
+export default function RootLayout({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  return (
+    <html lang="en">
+      <body className={inter.className}>{children}</body>
+    </html>
+  )
+}

packages/cli/test/fixtures/next-app/app/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-app/app/page.tsx

@@ -0,0 +1,113 @@
+import Image from 'next/image'
+
+export default function Home() {
+  return (
+    <main className="flex min-h-screen flex-col items-center justify-between p-24">
+      <div className="z-10 max-w-5xl w-full items-center justify-between font-mono text-sm lg:flex">
+        <p className="fixed left-0 top-0 flex w-full justify-center border-b border-gray-300 bg-gradient-to-b from-zinc-200 pb-6 pt-8 backdrop-blur-2xl dark:border-neutral-800 dark:bg-zinc-800/30 dark:from-inherit lg:static lg:w-auto  lg:rounded-xl lg:border lg:bg-gray-200 lg:p-4 lg:dark:bg-zinc-800/30">
+          Get started by editing&nbsp;
+          <code className="font-mono font-bold">app/page.tsx</code>
+        </p>
+        <div className="fixed bottom-0 left-0 flex h-48 w-full items-end justify-center bg-gradient-to-t from-white via-white dark:from-black dark:via-black lg:static lg:h-auto lg:w-auto lg:bg-none">
+          <a
+            className="pointer-events-none flex place-items-center gap-2 p-8 lg:pointer-events-auto lg:p-0"
+            href="https://vercel.com?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            By{' '}
+            <Image
+              src="/vercel.svg"
+              alt="Vercel Logo"
+              className="dark:invert"
+              width={100}
+              height={24}
+              priority
+            />
+          </a>
+        </div>
+      </div>
+
+      <div className="relative flex place-items-center before:absolute before:h-[300px] before:w-[480px] before:-translate-x-1/2 before:rounded-full before:bg-gradient-radial before:from-white before:to-transparent before:blur-2xl before:content-[''] after:absolute after:-z-20 after:h-[180px] after:w-[240px] after:translate-x-1/3 after:bg-gradient-conic after:from-sky-200 after:via-blue-200 after:blur-2xl after:content-[''] before:dark:bg-gradient-to-br before:dark:from-transparent before:dark:to-blue-700 before:dark:opacity-10 after:dark:from-sky-900 after:dark:via-[#0141ff] after:dark:opacity-40 before:lg:h-[360px] z-[-1]">
+        <Image
+          className="relative dark:drop-shadow-[0_0_0.3rem_#ffffff70] dark:invert"
+          src="/next.svg"
+          alt="Next.js Logo"
+          width={180}
+          height={37}
+          priority
+        />
+      </div>
+
+      <div className="mb-32 grid text-center lg:max-w-5xl lg:w-full lg:mb-0 lg:grid-cols-4 lg:text-left">
+        <a
+          href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Docs{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Find in-depth information about Next.js features and API.
+          </p>
+        </a>
+
+        <a
+          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Learn{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Learn about Next.js in an interactive course with&nbsp;quizzes!
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Templates{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Explore the Next.js 13 playground.
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Deploy{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Instantly deploy your Next.js site to a shareable URL with Vercel.
+          </p>
+        </a>
+      </div>
+    </main>
+  )
+}

packages/cli/test/fixtures/next-app/next-env.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/basic-features/typescript for more information.

packages/cli/test/fixtures/next-app/next.config.js

@@ -0,0 +1,4 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {}
+
+module.exports = nextConfig

packages/cli/test/fixtures/next-app/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "test-cli-next-app",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  }
+}

packages/cli/test/fixtures/next-app/postcss.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

packages/cli/test/fixtures/next-app/tailwind.config.ts

@@ -0,0 +1,21 @@
+// @ts-nocheck
+import type { Config } from 'tailwindcss'
+
+const config: Config = {
+  content: [
+    './pages/**/*.{js,ts,jsx,tsx,mdx}',
+    './components/**/*.{js,ts,jsx,tsx,mdx}',
+    './app/**/*.{js,ts,jsx,tsx,mdx}'
+  ],
+  theme: {
+    extend: {
+      backgroundImage: {
+        'gradient-radial': 'radial-gradient(var(--tw-gradient-stops))',
+        'gradient-conic':
+          'conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))'
+      }
+    }
+  },
+  plugins: []
+}
+export default config

packages/cli/test/fixtures/next-app/tsconfig.json

@@ -0,0 +1,27 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "incremental": true,
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ],
+    "paths": {
+      "@/*": ["./*"]
+    }
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "exclude": ["node_modules"]
+}

packages/cli/test/fixtures/next-pages-src/next-env.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/basic-features/typescript for more information.

packages/cli/test/fixtures/next-pages-src/next.config.js

@@ -0,0 +1,6 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  reactStrictMode: true,
+}
+
+module.exports = nextConfig

packages/cli/test/fixtures/next-pages-src/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-pages-src/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "test-pages-src",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  }
+}

packages/cli/test/fixtures/next-pages-src/postcss.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

packages/cli/test/fixtures/next-pages-src/src/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-pages-src/src/pages/_app.tsx

@@ -0,0 +1,6 @@
+import '@/styles/globals.css'
+import type { AppProps } from 'next/app'
+
+export default function App({ Component, pageProps }: AppProps) {
+  return <Component {...pageProps} />
+}

packages/cli/test/fixtures/next-pages-src/src/pages/_document.tsx

@@ -0,0 +1,13 @@
+import { Html, Head, Main, NextScript } from 'next/document'
+
+export default function Document() {
+  return (
+    <Html lang="en">
+      <Head />
+      <body>
+        <Main />
+        <NextScript />
+      </body>
+    </Html>
+  )
+}

packages/cli/test/fixtures/next-pages-src/src/pages/api/hello.ts

@@ -0,0 +1,13 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type { NextApiRequest, NextApiResponse } from 'next'
+
+type Data = {
+  name: string
+}
+
+export default function handler(
+  req: NextApiRequest,
+  res: NextApiResponse<Data>
+) {
+  res.status(200).json({ name: 'John Doe' })
+}

packages/cli/test/fixtures/next-pages-src/src/pages/index.tsx

@@ -0,0 +1,118 @@
+import Image from 'next/image'
+import { Inter } from 'next/font/google'
+
+const inter = Inter({ subsets: ['latin'] })
+
+export default function Home() {
+  return (
+    <main
+      className={`flex min-h-screen flex-col items-center justify-between p-24 ${inter.className}`}
+    >
+      <div className="z-10 max-w-5xl w-full items-center justify-between font-mono text-sm lg:flex">
+        <p className="fixed left-0 top-0 flex w-full justify-center border-b border-gray-300 bg-gradient-to-b from-zinc-200 pb-6 pt-8 backdrop-blur-2xl dark:border-neutral-800 dark:bg-zinc-800/30 dark:from-inherit lg:static lg:w-auto  lg:rounded-xl lg:border lg:bg-gray-200 lg:p-4 lg:dark:bg-zinc-800/30">
+          Get started by editing&nbsp;
+          <code className="font-mono font-bold">src/pages/index.tsx</code>
+        </p>
+        <div className="fixed bottom-0 left-0 flex h-48 w-full items-end justify-center bg-gradient-to-t from-white via-white dark:from-black dark:via-black lg:static lg:h-auto lg:w-auto lg:bg-none">
+          <a
+            className="pointer-events-none flex place-items-center gap-2 p-8 lg:pointer-events-auto lg:p-0"
+            href="https://vercel.com?utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            By{' '}
+            <Image
+              src="/vercel.svg"
+              alt="Vercel Logo"
+              className="dark:invert"
+              width={100}
+              height={24}
+              priority
+            />
+          </a>
+        </div>
+      </div>
+
+      <div className="relative flex place-items-center before:absolute before:h-[300px] before:w-[480px] before:-translate-x-1/2 before:rounded-full before:bg-gradient-radial before:from-white before:to-transparent before:blur-2xl before:content-[''] after:absolute after:-z-20 after:h-[180px] after:w-[240px] after:translate-x-1/3 after:bg-gradient-conic after:from-sky-200 after:via-blue-200 after:blur-2xl after:content-[''] before:dark:bg-gradient-to-br before:dark:from-transparent before:dark:to-blue-700/10 after:dark:from-sky-900 after:dark:via-[#0141ff]/40 before:lg:h-[360px]">
+        <Image
+          className="relative dark:drop-shadow-[0_0_0.3rem_#ffffff70] dark:invert"
+          src="/next.svg"
+          alt="Next.js Logo"
+          width={180}
+          height={37}
+          priority
+        />
+      </div>
+
+      <div className="mb-32 grid text-center lg:max-w-5xl lg:w-full lg:mb-0 lg:grid-cols-4 lg:text-left">
+        <a
+          href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Docs{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Find in-depth information about Next.js features and API.
+          </p>
+        </a>
+
+        <a
+          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Learn{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Learn about Next.js in an interactive course with&nbsp;quizzes!
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Templates{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Discover and deploy boilerplate example Next.js&nbsp;projects.
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/new?utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Deploy{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Instantly deploy your Next.js site to a shareable URL with Vercel.
+          </p>
+        </a>
+      </div>
+    </main>
+  )
+}

packages/cli/test/fixtures/next-pages-src/src/pages/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-pages-src/src/styles/globals.css

@@ -0,0 +1,27 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  --foreground-rgb: 0, 0, 0;
+  --background-start-rgb: 214, 219, 220;
+  --background-end-rgb: 255, 255, 255;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --foreground-rgb: 255, 255, 255;
+    --background-start-rgb: 0, 0, 0;
+    --background-end-rgb: 0, 0, 0;
+  }
+}
+
+body {
+  color: rgb(var(--foreground-rgb));
+  background: linear-gradient(
+      to bottom,
+      transparent,
+      rgb(var(--background-end-rgb))
+    )
+    rgb(var(--background-start-rgb));
+}

packages/cli/test/fixtures/next-pages-src/src/styles/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-pages-src/tailwind.config.ts

@@ -0,0 +1,21 @@
+// @ts-nocheck
+import type { Config } from 'tailwindcss'
+
+const config: Config = {
+  content: [
+    './src/pages/**/*.{js,ts,jsx,tsx,mdx}',
+    './src/components/**/*.{js,ts,jsx,tsx,mdx}',
+    './src/app/**/*.{js,ts,jsx,tsx,mdx}'
+  ],
+  theme: {
+    extend: {
+      backgroundImage: {
+        'gradient-radial': 'radial-gradient(var(--tw-gradient-stops))',
+        'gradient-conic':
+          'conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))'
+      }
+    }
+  },
+  plugins: []
+}
+export default config

packages/cli/test/fixtures/next-pages-src/tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "incremental": true,
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
+  "exclude": ["node_modules"]
+}

packages/cli/test/fixtures/next-pages/next.config.js

@@ -0,0 +1,6 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  reactStrictMode: true,
+}
+
+module.exports = nextConfig

packages/cli/test/fixtures/next-pages/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "test-cli-pages",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  }
+}

packages/cli/test/fixtures/next-pages/pages/_app.tsx

@@ -0,0 +1,6 @@
+import '~/styles/globals.css'
+import type { AppProps } from 'next/app'
+
+export default function App({ Component, pageProps }: AppProps) {
+  return <Component {...pageProps} />
+}

packages/cli/test/fixtures/next-pages/pages/_document.tsx

@@ -0,0 +1,13 @@
+import { Html, Head, Main, NextScript } from 'next/document'
+
+export default function Document() {
+  return (
+    <Html lang="en">
+      <Head />
+      <body>
+        <Main />
+        <NextScript />
+      </body>
+    </Html>
+  )
+}

packages/cli/test/fixtures/next-pages/pages/api/hello.ts

@@ -0,0 +1,13 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type { NextApiRequest, NextApiResponse } from 'next'
+
+type Data = {
+  name: string
+}
+
+export default function handler(
+  req: NextApiRequest,
+  res: NextApiResponse<Data>
+) {
+  res.status(200).json({ name: 'John Doe' })
+}

packages/cli/test/fixtures/next-pages/pages/index.tsx

@@ -0,0 +1,118 @@
+import Image from 'next/image'
+import { Inter } from 'next/font/google'
+
+const inter = Inter({ subsets: ['latin'] })
+
+export default function Home() {
+  return (
+    <main
+      className={`flex min-h-screen flex-col items-center justify-between p-24 ${inter.className}`}
+    >
+      <div className="z-10 max-w-5xl w-full items-center justify-between font-mono text-sm lg:flex">
+        <p className="fixed left-0 top-0 flex w-full justify-center border-b border-gray-300 bg-gradient-to-b from-zinc-200 pb-6 pt-8 backdrop-blur-2xl dark:border-neutral-800 dark:bg-zinc-800/30 dark:from-inherit lg:static lg:w-auto  lg:rounded-xl lg:border lg:bg-gray-200 lg:p-4 lg:dark:bg-zinc-800/30">
+          Get started by editing&nbsp;
+          <code className="font-mono font-bold">pages/index.tsx</code>
+        </p>
+        <div className="fixed bottom-0 left-0 flex h-48 w-full items-end justify-center bg-gradient-to-t from-white via-white dark:from-black dark:via-black lg:static lg:h-auto lg:w-auto lg:bg-none">
+          <a
+            className="pointer-events-none flex place-items-center gap-2 p-8 lg:pointer-events-auto lg:p-0"
+            href="https://vercel.com?utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            By{' '}
+            <Image
+              src="/vercel.svg"
+              alt="Vercel Logo"
+              className="dark:invert"
+              width={100}
+              height={24}
+              priority
+            />
+          </a>
+        </div>
+      </div>
+
+      <div className="relative flex place-items-center before:absolute before:h-[300px] before:w-[480px] before:-translate-x-1/2 before:rounded-full before:bg-gradient-radial before:from-white before:to-transparent before:blur-2xl before:content-[''] after:absolute after:-z-20 after:h-[180px] after:w-[240px] after:translate-x-1/3 after:bg-gradient-conic after:from-sky-200 after:via-blue-200 after:blur-2xl after:content-[''] before:dark:bg-gradient-to-br before:dark:from-transparent before:dark:to-blue-700/10 after:dark:from-sky-900 after:dark:via-[#0141ff]/40 before:lg:h-[360px]">
+        <Image
+          className="relative dark:drop-shadow-[0_0_0.3rem_#ffffff70] dark:invert"
+          src="/next.svg"
+          alt="Next.js Logo"
+          width={180}
+          height={37}
+          priority
+        />
+      </div>
+
+      <div className="mb-32 grid text-center lg:max-w-5xl lg:w-full lg:mb-0 lg:grid-cols-4 lg:text-left">
+        <a
+          href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Docs{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Find in-depth information about Next.js features and API.
+          </p>
+        </a>
+
+        <a
+          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Learn{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Learn about Next.js in an interactive course with&nbsp;quizzes!
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Templates{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Discover and deploy boilerplate example Next.js&nbsp;projects.
+          </p>
+        </a>
+
+        <a
+          href="https://vercel.com/new?utm_source=create-next-app&utm_medium=default-template-tw&utm_campaign=create-next-app"
+          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <h2 className={`mb-3 text-2xl font-semibold`}>
+            Deploy{' '}
+            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
+              -&gt;
+            </span>
+          </h2>
+          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
+            Instantly deploy your Next.js site to a shareable URL with Vercel.
+          </p>
+        </a>
+      </div>
+    </main>
+  )
+}

packages/cli/test/fixtures/next-pages/pages/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-pages/postcss.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

packages/cli/test/fixtures/next-pages/styles/globals.css

@@ -0,0 +1,27 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  --foreground-rgb: 0, 0, 0;
+  --background-start-rgb: 214, 219, 220;
+  --background-end-rgb: 255, 255, 255;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --foreground-rgb: 255, 255, 255;
+    --background-start-rgb: 0, 0, 0;
+    --background-end-rgb: 0, 0, 0;
+  }
+}
+
+body {
+  color: rgb(var(--foreground-rgb));
+  background: linear-gradient(
+      to bottom,
+      transparent,
+      rgb(var(--background-end-rgb))
+    )
+    rgb(var(--background-start-rgb));
+}

packages/cli/test/fixtures/next-pages/styles/other.css

@@ -0,0 +1,3 @@
+body {
+  background-color: red;
+}

packages/cli/test/fixtures/next-pages/tailwind.config.ts

@@ -0,0 +1,21 @@
+// @ts-nocheck
+import type { Config } from 'tailwindcss'
+
+const config: Config = {
+  content: [
+    './pages/**/*.{js,ts,jsx,tsx,mdx}',
+    './components/**/*.{js,ts,jsx,tsx,mdx}',
+    './app/**/*.{js,ts,jsx,tsx,mdx}'
+  ],
+  theme: {
+    extend: {
+      backgroundImage: {
+        'gradient-radial': 'radial-gradient(var(--tw-gradient-stops))',
+        'gradient-conic':
+          'conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))'
+      }
+    }
+  },
+  plugins: []
+}
+export default config

packages/cli/test/fixtures/next-pages/tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "incremental": true,
+    "paths": {
+      "~/*": ["./*"]
+    }
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
+  "exclude": ["node_modules"]
+}

packages/cli/test/utils/__snapshots__/css.test.ts.snap

@@ -0,0 +1,304 @@
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`apply css updates 1`] = `
+"@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+body {
+  background-color: tomato;
+}
+"
+`;
+
+exports[`apply css updates 2`] = `
+"@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  --foreground-rgb: 0, 0, 0;
+  --background-start-rgb: 214, 219, 220;
+  --background-end-rgb: 255, 255, 255;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --foreground-rgb: 255, 255, 255;
+    --background-start-rgb: 0, 0, 0;
+    --background-end-rgb: 0, 0, 0;
+  }
+}
+
+body {
+  color: rgb(var(--foreground-rgb));
+  background: linear-gradient(
+      to bottom,
+      transparent,
+      rgb(var(--background-end-rgb))
+    )
+    rgb(var(--background-start-rgb));
+}
+"
+`;
+
+exports[`apply css updates 3`] = `
+"@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 224 71.4% 4.1%;
+    --primary: 220.9 39.3% 11%;
+    --primary-foreground: 210 20% 98%;
+    --border: 220 13% 91%;
+    --input: 220 13% 91%;
+    --ring: 224 71.4% 4.1%;
+  }
+
+  .dark {
+    --background: 224 71.4% 4.1%;
+    --foreground: 210 20% 98%;
+    --primary: 210 20% 98%;
+    --primary-foreground: 220.9 39.3% 11%;
+    --border: 215 27.9% 16.9%;
+    --input: 215 27.9% 16.9%;
+    --ring: 216 12.2% 83.9%;
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}
+
+body {
+  background-color: tomato;
+}
+"
+`;
+
+exports[`apply css updates 4`] = `
+"@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 224 71.4% 4.1%;
+    --primary: 220.9 39.3% 11%;
+    --primary-foreground: 210 20% 98%;
+    --border: 220 13% 91%;
+    --input: 220 13% 91%;
+    --ring: 224 71.4% 4.1%;
+  }
+
+  .dark {
+    --background: 224 71.4% 4.1%;
+    --foreground: 210 20% 98%;
+    --primary: 210 20% 98%;
+    --primary-foreground: 220.9 39.3% 11%;
+    --border: 215 27.9% 16.9%;
+    --input: 215 27.9% 16.9%;
+    --ring: 216 12.2% 83.9%;
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}
+
+:root {
+  --foreground-rgb: 0, 0, 0;
+  --background-start-rgb: 214, 219, 220;
+  --background-end-rgb: 255, 255, 255;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --foreground-rgb: 255, 255, 255;
+    --background-start-rgb: 0, 0, 0;
+    --background-end-rgb: 0, 0, 0;
+  }
+}
+
+body {
+  color: rgb(var(--foreground-rgb));
+  background: linear-gradient(
+      to bottom,
+      transparent,
+      rgb(var(--background-end-rgb))
+    )
+    rgb(var(--background-start-rgb));
+}
+"
+`;
+
+exports[`apply css updates 5`] = `
+"@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 224 71.4% 4.1%;
+    --primary: 220.9 39.3% 11%;
+    --primary-foreground: 210 20% 98%;
+    --border: 220 13% 91%;
+    --input: 220 13% 91%;
+    --ring: 224 71.4% 4.1%;
+  }
+
+  .dark {
+    --background: 224 71.4% 4.1%;
+    --foreground: 210 20% 98%;
+    --primary: 210 20% 98%;
+    --primary-foreground: 220.9 39.3% 11%;
+    --border: 215 27.9% 16.9%;
+    --input: 215 27.9% 16.9%;
+    --ring: 216 12.2% 83.9%;
+  }
+}
+
+@layer base {
+  * {
+    @apply tw-border-border;
+  }
+  body {
+    @apply tw-bg-background tw-text-foreground;
+  }
+}
+
+body {
+  background-color: tomato;
+}
+"
+`;
+
+exports[`apply css updates 6`] = `
+"@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 224 71.4% 4.1%;
+    --primary: 220.9 39.3% 11%;
+    --primary-foreground: 210 20% 98%;
+    --border: 220 13% 91%;
+    --input: 220 13% 91%;
+    --ring: 224 71.4% 4.1%;
+  }
+
+  .dark {
+    --background: 224 71.4% 4.1%;
+    --foreground: 210 20% 98%;
+    --primary: 210 20% 98%;
+    --primary-foreground: 220.9 39.3% 11%;
+    --border: 215 27.9% 16.9%;
+    --input: 215 27.9% 16.9%;
+    --ring: 216 12.2% 83.9%;
+  }
+}
+
+@layer base {
+  * {
+    @apply cn-border-border;
+  }
+  body {
+    @apply cn-bg-background cn-text-foreground;
+  }
+}
+
+:root {
+  --foreground-rgb: 0, 0, 0;
+  --background-start-rgb: 214, 219, 220;
+  --background-end-rgb: 255, 255, 255;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --foreground-rgb: 255, 255, 255;
+    --background-start-rgb: 0, 0, 0;
+    --background-end-rgb: 0, 0, 0;
+  }
+}
+
+body {
+  color: rgb(var(--foreground-rgb));
+  background: linear-gradient(
+      to bottom,
+      transparent,
+      rgb(var(--background-end-rgb))
+    )
+    rgb(var(--background-start-rgb));
+}
+"
+`;
+
+exports[`apply css updates 7`] = `
+"@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+body {
+  background-color: tomato;
+}
+"
+`;
+
+exports[`apply css updates 8`] = `
+"@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 224 71.4% 4.1%;
+    --primary: 220.9 39.3% 11%;
+    --primary-foreground: 210 20% 98%;
+    --border: 220 13% 91%;
+    --input: 220 13% 91%;
+    --ring: 224 71.4% 4.1%;
+  }
+
+  .dark {
+    --background: 224 71.4% 4.1%;
+    --foreground: 210 20% 98%;
+    --primary: 210 20% 98%;
+    --primary-foreground: 220.9 39.3% 11%;
+    --border: 215 27.9% 16.9%;
+    --input: 215 27.9% 16.9%;
+    --ring: 216 12.2% 83.9%;
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}
+
+body {
+  background-color: tomato;
+}
+"
+`;

packages/cli/test/utils/css.test.ts

@@ -0,0 +1,154 @@
+import { promises as fs } from "fs"
+import path from "path"
+import { expect, test } from "vitest"
+
+import { applyCSSUpdates } from "../../src/utils/css"
+
+const baseColor = {
+  cssVars: {
+    light: {
+      background: "0 0% 100%",
+      foreground: "224 71.4% 4.1%",
+      primary: "220.9 39.3% 11%",
+      "primary-foreground": "210 20% 98%",
+      border: "220 13% 91%",
+      input: "220 13% 91%",
+      ring: "224 71.4% 4.1%",
+    },
+    dark: {
+      background: "224 71.4% 4.1%",
+      foreground: "210 20% 98%",
+      primary: "210 20% 98%",
+      "primary-foreground": "220.9 39.3% 11%",
+      border: "215 27.9% 16.9%",
+      input: "215 27.9% 16.9%",
+      ring: "216 12.2% 83.9%",
+    },
+  },
+}
+
+test("apply css updates", async () => {
+  expect(
+    await applyCSSUpdates(
+      await fs.readFile(
+        path.resolve(__dirname, "../fixtures/css/no-tailwind.css"),
+        "utf8"
+      ),
+      baseColor,
+      {
+        tailwind: {
+          cssVariables: false,
+        },
+      }
+    )
+  ).toMatchSnapshot()
+
+  expect(
+    await applyCSSUpdates(
+      await fs.readFile(
+        path.resolve(__dirname, "../fixtures/css/app-globals.css"),
+        "utf8"
+      ),
+      baseColor,
+      {
+        tailwind: {
+          cssVariables: false,
+        },
+      }
+    )
+  ).toMatchSnapshot()
+
+  expect(
+    await applyCSSUpdates(
+      await fs.readFile(
+        path.resolve(__dirname, "../fixtures/css/no-tailwind.css"),
+        "utf8"
+      ),
+      baseColor,
+      {
+        tailwind: {
+          cssVariables: true,
+        },
+      }
+    )
+  ).toMatchSnapshot()
+
+  expect(
+    await applyCSSUpdates(
+      await fs.readFile(
+        path.resolve(__dirname, "../fixtures/css/app-globals.css"),
+        "utf8"
+      ),
+      baseColor,
+      {
+        tailwind: {
+          cssVariables: true,
+        },
+      }
+    )
+  ).toMatchSnapshot()
+
+  // Prefix.
+  expect(
+    await applyCSSUpdates(
+      await fs.readFile(
+        path.resolve(__dirname, "../fixtures/css/no-tailwind.css"),
+        "utf8"
+      ),
+      baseColor,
+      {
+        tailwind: {
+          cssVariables: true,
+          prefix: "tw-",
+        },
+      }
+    )
+  ).toMatchSnapshot()
+
+  expect(
+    await applyCSSUpdates(
+      await fs.readFile(
+        path.resolve(__dirname, "../fixtures/css/app-globals.css"),
+        "utf8"
+      ),
+      baseColor,
+      {
+        tailwind: {
+          cssVariables: true,
+          prefix: "cn-",
+        },
+      }
+    )
+  ).toMatchSnapshot()
+
+  // Applied.
+  expect(
+    await applyCSSUpdates(
+      await fs.readFile(
+        path.resolve(__dirname, "../fixtures/css/applied.css"),
+        "utf8"
+      ),
+      baseColor,
+      {
+        tailwind: {
+          cssVariables: false,
+        },
+      }
+    )
+  ).toMatchSnapshot()
+
+  expect(
+    await applyCSSUpdates(
+      await fs.readFile(
+        path.resolve(__dirname, "../fixtures/css/applied-css-vars.css"),
+        "utf8"
+      ),
+      baseColor,
+      {
+        tailwind: {
+          cssVariables: true,
+        },
+      }
+    )
+  ).toMatchSnapshot()
+})

packages/cli/test/utils/get-project-type.test.ts

@@ -0,0 +1,37 @@
+import path from "path"
+import { describe, expect, test } from "vitest"
+
+import { getProjectType } from "../../src/utils/get-project-info"
+
+describe("get project type", async () => {
+  test.each([
+    {
+      name: "next-app",
+      type: "next-app",
+    },
+    {
+      name: "next-app-src",
+      type: "next-app-src",
+    },
+    {
+      name: "next-pages",
+      type: "next-pages",
+    },
+    {
+      name: "next-pages-src",
+      type: "next-pages-src",
+    },
+    {
+      name: "project",
+      type: null,
+    },
+    {
+      name: "t3-app",
+      type: "next-pages-src",
+    },
+  ])(`getProjectType($name) -> $type`, async ({ name, type }) => {
+    expect(
+      await getProjectType(path.resolve(__dirname, `../fixtures/${name}`))
+    ).toBe(type)
+  })
+})

packages/cli/test/utils/get-tailwind-css-file.test.ts

@@ -0,0 +1,33 @@
+import path from "path"
+import { describe, expect, test } from "vitest"
+
+import { getTailwindCssFile } from "../../src/utils/get-project-info"
+
+describe("get tailwind css file", async () => {
+  test.each([
+    {
+      name: "next-app",
+      file: "app/globals.css",
+    },
+    {
+      name: "next-app-src",
+      file: "src/app/styles.css",
+    },
+    {
+      name: "next-pages",
+      file: "styles/globals.css",
+    },
+    {
+      name: "next-pages-src",
+      file: "src/styles/globals.css",
+    },
+    {
+      name: "t3-app",
+      file: "src/styles/globals.css",
+    },
+  ])(`getTailwindCssFile($name) -> $file`, async ({ name, file }) => {
+    expect(
+      await getTailwindCssFile(path.resolve(__dirname, `../fixtures/${name}`))
+    ).toBe(file)
+  })
+})

packages/cli/test/utils/get-ts-config-alias-prefix.test.ts

@@ -0,0 +1,35 @@
+import path from "path"
+import { describe, expect, test } from "vitest"
+
+import { getTsConfigAliasPrefix } from "../../src/utils/get-project-info"
+
+describe("get ts config alias prefix", async () => {
+  test.each([
+    {
+      name: "next-app",
+      prefix: "@",
+    },
+    {
+      name: "next-app-src",
+      prefix: "#",
+    },
+    {
+      name: "next-pages",
+      prefix: "~",
+    },
+    {
+      name: "next-pages-src",
+      prefix: "@",
+    },
+    {
+      name: "t3-app",
+      prefix: "~",
+    },
+  ])(`getTsConfigAliasPrefix($name) -> $prefix`, async ({ name, prefix }) => {
+    expect(
+      await getTsConfigAliasPrefix(
+        path.resolve(__dirname, `../fixtures/${name}`)
+      )
+    ).toBe(prefix)
+  })
+})

packages/cli/test/utils/is-typescript-project.test.ts

@@ -0,0 +1,37 @@
+import path from "path"
+import { describe, expect, test } from "vitest"
+
+import { isTypeScriptProject } from "../../src/utils/get-project-info"
+
+describe("is TypeScript project", async () => {
+  test.each([
+    {
+      name: "next-app",
+      result: true,
+    },
+    {
+      name: "next-app-src",
+      result: true,
+    },
+    {
+      name: "next-pages",
+      result: true,
+    },
+    {
+      name: "next-pages-src",
+      result: true,
+    },
+    {
+      name: "t3-app",
+      result: true,
+    },
+    {
+      name: "next-app-js",
+      result: false,
+    },
+  ])(`isTypeScriptProject($name) -> $result`, async ({ name, result }) => {
+    expect(
+      await isTypeScriptProject(path.resolve(__dirname, `../fixtures/${name}`))
+    ).toBe(result)
+  })
+})

pnpm-lock.yaml

@@ -384,6 +384,9 @@ importers:
       execa:
         specifier: ^7.0.0
         version: 7.0.0
+      fast-glob:
+        specifier: ^3.3.2
+        version: 3.3.2
       fs-extra:
         specifier: ^11.1.0
         version: 11.1.0
@@ -4129,7 +4132,7 @@ packages:
   /@ts-morph/common@0.19.0:
     resolution: {integrity: sha512-Unz/WHmd4pGax91rdIKWi51wnVUW11QttMEPpBiBgIewnc9UQIX7UDLxr5vRlqeByXCwhkF6VabSsI0raWcyAQ==}
     dependencies:
-      fast-glob: 3.3.0
+      fast-glob: 3.3.2
       minimatch: 7.4.6
       mkdirp: 2.1.6
       path-browserify: 1.0.1
@@ -6356,7 +6359,7 @@ packages:
     peerDependencies:
       tailwindcss: ^3.3.2
     dependencies:
-      fast-glob: 3.2.12
+      fast-glob: 3.3.0
       postcss: 8.4.24
       tailwindcss: 3.4.0(ts-node@10.9.1)
     dev: false
@@ -6682,8 +6685,8 @@ packages:
     engines: {node: '>=6.0.0'}
     dev: false
 
-  /fast-glob@3.2.12:
-    resolution: {integrity: sha512-DVj4CQIYYow0BlaelwK1pHl5n5cRSJfM60UA0zK891sVInoPri2Ekj7+e1CT3/3qxXenpI+nBBmQAcJPJgaj4w==}
+  /fast-glob@3.3.0:
+    resolution: {integrity: sha512-ChDuvbOypPuNjO8yIDf36x7BlZX1smcUMTTcyoIjycexOxd6DFsKsg21qVBzEmr3G7fUKIRy2/psii+CIUt7FA==}
     engines: {node: '>=8.6.0'}
     dependencies:
       '@nodelib/fs.stat': 2.0.5
@@ -6692,8 +6695,8 @@ packages:
       merge2: 1.4.1
       micromatch: 4.0.5
 
-  /fast-glob@3.3.0:
-    resolution: {integrity: sha512-ChDuvbOypPuNjO8yIDf36x7BlZX1smcUMTTcyoIjycexOxd6DFsKsg21qVBzEmr3G7fUKIRy2/psii+CIUt7FA==}
+  /fast-glob@3.3.2:
+    resolution: {integrity: sha512-oX2ruAFQwf/Orj8m737Y5adxDQO0LAB7/S5MnxCdTNDd4p6BsyIVsv9JQsATbTSq8KHRpLwIHbVlUNatxd+1Ow==}
     engines: {node: '>=8.6.0'}
     dependencies:
       '@nodelib/fs.stat': 2.0.5
@@ -7022,7 +7025,7 @@ packages:
     dependencies:
       array-union: 2.1.0
       dir-glob: 3.0.1
-      fast-glob: 3.3.0
+      fast-glob: 3.3.2
       ignore: 5.2.4
       merge2: 1.4.1
       slash: 3.0.0
@@ -10715,7 +10718,7 @@ packages:
       chokidar: 3.5.3
       didyoumean: 1.2.2
       dlv: 1.1.3
-      fast-glob: 3.2.12
+      fast-glob: 3.3.0
       glob-parent: 6.0.2
       is-glob: 4.0.3
       jiti: 1.18.2