diff --git a/configuration/next.ts b/configuration/next.ts
index 798d8d1..834d0e7 100644
--- a/configuration/next.ts
+++ b/configuration/next.ts
@@ -13,7 +13,7 @@ export function createFile(configuration: object | string) {
 
 export default next`
 
-  if (typeof configuration === 'object') {
+  if (typeof configuration === 'object' && state.language === 'json') {
     contents = `export default ${JSON.stringify(configuration, null, 2)}`
   }
 
diff --git a/configuration/playwright.ts b/configuration/playwright.ts
index c57f626..e24c309 100644
--- a/configuration/playwright.ts
+++ b/configuration/playwright.ts
@@ -1,13 +1,15 @@
-import type { Template } from '../types'
+import { fileExtension, state } from '../state'
 
-export const templates: Template<object> = {} // Has no templates, highly customizable.
+export const extension = (path: string) => ({ extends: path })
 
-export function createFile() {
-  return {
-    name: 'playwright.config.ts',
-    contents: `import { defineConfig } from '@playwright/test'
-import { playwright } from './configuration.ts'
+export function createFile(configuration: object | string) {
+  let contents = `import { playwright } from './configuration.${fileExtension()}'
 
-export default defineConfig(playwright)`,
+export default playwright`
+
+  if (typeof configuration === 'object' && state.language === 'json') {
+    contents = `export default ${JSON.stringify(configuration, null, 2)}`
   }
+
+  return { name: `playwright.config.${fileExtension()}`, contents }
 }
diff --git a/configuration/rsbuild.ts b/configuration/rsbuild.ts
index 0c52533..d885fba 100644
--- a/configuration/rsbuild.ts
+++ b/configuration/rsbuild.ts
@@ -1,4 +1,4 @@
-import { fileExtension } from '../state'
+import { fileExtension, state } from '../state'
 
 export const extension = (path: string) => ({ extends: path })
 
@@ -7,7 +7,7 @@ export function createFile(configuration: object | string) {
 
 export default rsbuild`
 
-  if (typeof configuration === 'object') {
+  if (typeof configuration === 'object' && state.language === 'json') {
     contents = `export default ${JSON.stringify(configuration, null, 2)}`
   }
 
diff --git a/configuration/typescript.ts b/configuration/typescript.ts
index 921942c..c8718a5 100644
--- a/configuration/typescript.ts
+++ b/configuration/typescript.ts
@@ -4,6 +4,15 @@ export const templates = {
       strict: true,
     },
   },
+  plugin: {
+    compilerOptions: {
+      strict: true,
+      skipLibCheck: true,
+      target: 'ES2020',
+      lib: ['DOM', 'ES2020'],
+      module: 'Preserve',
+    },
+  },
 }
 
 export const extension = (path: string) => ({ extends: path })
diff --git a/configuration/vite.ts b/configuration/vite.ts
index 6979180..29a5522 100644
--- a/configuration/vite.ts
+++ b/configuration/vite.ts
@@ -1,4 +1,4 @@
-import { fileExtension } from '../state'
+import { fileExtension, state } from '../state'
 
 export const extension = (path: string) => ({ extends: path })
 
@@ -7,7 +7,7 @@ export function createFile(configuration: object | string) {
 
 export default vite`
 
-  if (typeof configuration === 'object') {
+  if (typeof configuration === 'object' && state.language === 'json') {
     contents = `export default ${JSON.stringify(configuration, null, 2)}`
   }
 
diff --git a/configuration/vscode.ts b/configuration/vscode.ts
index 74b1823..2366b46 100644
--- a/configuration/vscode.ts
+++ b/configuration/vscode.ts
@@ -1,7 +1,7 @@
 import type { Template } from '../types'
 
 export const templates: Template<object> = {
-  recommended: {
+  biome: {
     'editor.defaultFormatter': 'biomejs.biome',
     'editor.codeActionsOnSave': {
       'quickfix.biome': 'explicit',
@@ -9,6 +9,13 @@ export const templates: Template<object> = {
     },
     'editor.formatOnSave': true,
   },
+  'prettier-eslint': {
+    'editor.defaultFormatter': 'esbenp.prettier-vscode',
+    'editor.codeActionsOnSave': {
+      'source.fixAll.eslint': true,
+    },
+    'editor.formatOnSave': true,
+  },
 }
 
 export function createFile(configuration: object) {
diff --git a/helper.ts b/helper.ts
index cd0d9f4..f043580 100644
--- a/helper.ts
+++ b/helper.ts
@@ -1,18 +1,14 @@
-import { existsSync } from 'node:fs'
-import { join } from 'node:path'
+import { existsSync, lstatSync } from 'node:fs'
 import { it } from 'avait'
-import Bun from 'bun'
+import Bun, { Glob } from 'bun'
 import { create } from 'logua'
 import { parse } from 'parse-gitignore'
 import { z } from 'zod'
 import { configurations, ignore } from './configuration'
-import { state } from './state'
+import { root, state } from './state'
 
 export const log = create('zero-configuration', 'blue')
 
-export const root = (file: string) =>
-  process.cwd().includes('node_modules') ? join(process.cwd(), '../..', file) : join(process.cwd(), file)
-
 const keys = Object.fromEntries(configurations.map((current) => [current.name, z.union([z.string(), z.object({}), z.boolean()])]))
 
 for (const configuration of configurations) {
@@ -84,11 +80,31 @@ export async function writeGitIgnore(ignores: string[]) {
 
   const file = ignore.createFile(userIgnores as string[])
 
-  if (existsSync(file.name)) {
+  if (existsSync(root(file.name))) {
     await addAdditionalGitignoreEntries(file)
-  } else {
+  } else if (state.root) {
     await Bun.write(root(file.name), file.contents)
   }
 
   return Object.hasOwn(state.options, 'ignore') || Object.hasOwn(state.options, 'gitignore')
 }
+
+export async function getWorkspaces() {
+  const packageJson = await Bun.file(root('./package.json')).json()
+  const workspaces: { path: string; root: boolean }[] = []
+
+  if (Array.isArray(packageJson.workspaces)) {
+    for (const workspaceGlob of packageJson.workspaces) {
+      const glob = new Glob(workspaceGlob)
+      for await (const file of glob.scan({ cwd: root('/'), dot: false, onlyFiles: false })) {
+        if (lstatSync(file).isDirectory()) {
+          workspaces.push({ path: file, root: false })
+        }
+      }
+    }
+  }
+
+  workspaces.push({ path: '/', root: true }) // Always run in root, root should run last.
+
+  return workspaces
+}
diff --git a/index.ts b/index.ts
index fc46822..d1c641a 100644
--- a/index.ts
+++ b/index.ts
@@ -1,25 +1,32 @@
 #!/usr/bin/env bun
 import Bun from 'bun'
 import { configurations } from './configuration'
-import { findConfiguration, log, root, writeGitIgnore } from './helper'
+import { findConfiguration, getWorkspaces, log, writeGitIgnore } from './helper'
 import { parse } from './parse'
-import { state } from './state'
+import { reset, root, state } from './state'
 
-const ignores: string[] = []
+async function configureProject() {
+  const ignores: string[] = []
 
-await findConfiguration()
+  await findConfiguration()
 
-for (const { name, alias, configuration } of configurations) {
-  const value = state.options[name] ?? (alias && state.options[alias])
-  if (!value) continue
-  const file = await parse(value, configuration)
-  if (!file) continue
-  await Bun.write(root(file.name), file.contents)
-  ignores.push(file.name)
-}
+  for (const { name, alias, configuration } of configurations) {
+    const value = state.options[name] ?? (alias && state.options[alias])
+    if (!value) continue
+    const file = await parse(value, configuration)
+    if (!file) continue
+    await Bun.write(root(file.name), file.contents)
+    ignores.push(file.name)
+  }
+
+  const gitUserConfigured = await writeGitIgnore(ignores)
 
-const gitUserConfigured = await writeGitIgnore(ignores)
+  if (!gitUserConfigured && ignores.length === 0) {
+    log('No configuration to add', 'warning')
+  }
+}
 
-if (!gitUserConfigured && ignores.length === 0) {
-  log('No configuration to add', 'warning')
+for (const workspace of await getWorkspaces()) {
+  reset(workspace)
+  await configureProject()
 }
diff --git a/package.json b/package.json
index 8ed6351..4d838dc 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,15 @@
       "bun.lockb",
       "test/fixture/*/*",
       "!test/fixture/*/package.json",
+      "!test/fixture/workspaces/package.json",
+      "!test/fixture/workspaces/plugin",
+      "test/fixture/workspaces/plugin/*",
+      "!test/fixture/workspaces/plugin/package.json",
+      "!test/fixture/workspaces/demo",
+      "test/fixture/workspaces/demo/*",
+      "!test/fixture/workspaces/demo/react",
+      "test/fixture/workspaces/demo/react/*",
+      "!test/fixture/workspaces/demo/react/package.json",
       "!test/fixture/*/configuration.ts",
       "!test/fixture/*/configuration.js"
     ],
@@ -70,18 +79,9 @@
         ]
       }
     },
-    "vscode": "recommended",
+    "vscode": "biome",
     "typescript": {
-      "compilerOptions": {
-        "strict": true,
-        "skipLibCheck": true,
-        "target": "ES2020",
-        "lib": [
-          "DOM",
-          "ES2020"
-        ],
-        "module": "Preserve"
-      },
+      "extends": "plugin",
       "files": [
         "index.ts"
       ]
diff --git a/parse.ts b/parse.ts
index 0706d7e..819d665 100644
--- a/parse.ts
+++ b/parse.ts
@@ -2,6 +2,7 @@ import { existsSync } from 'node:fs'
 import { join } from 'node:path'
 import { it } from 'avait'
 import { merge } from 'ts-deepmerge'
+import { state } from './state'
 import type { Configuration, Options } from './types'
 
 const isExtension = async (value: string) => {
@@ -56,6 +57,10 @@ export async function parse(value: Options, configuration: Configuration['config
     return configuration.createFile()
   }
 
+  if (typeof value === 'object' && state.language !== 'json') {
+    return configuration.createFile(value)
+  }
+
   // biome-ignore lint/style/noParameterAssign: Easier in this case.
   value = extendTemplate(value, configuration)
 
diff --git a/state.ts b/state.ts
index 705a380..babf3eb 100644
--- a/state.ts
+++ b/state.ts
@@ -1,9 +1,23 @@
+import { join } from 'node:path'
 import type { State } from './types'
 
 export const state: State = {
   options: {},
   language: 'json',
   packageJson: { name: 'missing-package-name' },
+  directory: '/',
+  root: true,
 }
 
 export const fileExtension = () => (state.language === 'javascript' ? 'js' : 'ts')
+
+export const root = (file: string) =>
+  process.cwd().includes('node_modules') ? join(process.cwd(), '../..', state.directory, file) : join(process.cwd(), state.directory, file)
+
+export const reset = ({ path, root }: { path: string; root: boolean }) => {
+  state.options = {}
+  state.language = 'json'
+  state.packageJson = { name: 'missing-package-name' }
+  state.directory = path
+  state.root = root
+}
diff --git a/test/basic.test.ts b/test/basic.test.ts
index 506c638..3437722 100644
--- a/test/basic.test.ts
+++ b/test/basic.test.ts
@@ -82,3 +82,16 @@ test('Creates configuration files for various build-tool configurations.', () =>
   expect(existsSync(join(fixturePath, 'rsbuild.config.ts'))).toBe(true)
   expect(existsSync(join(fixturePath, 'vite.config.ts'))).toBe(true)
 })
+
+test('Creates configuration files in all workspaces including the root.', () => {
+  const fixturePath = './test/fixture/workspaces'
+
+  execSync('bun ./../../../index.ts', {
+    cwd: fixturePath,
+    stdio: 'inherit',
+  })
+
+  expect(existsSync(join(fixturePath, 'tsconfig.json'))).toBe(true)
+  expect(existsSync(join(fixturePath, 'demo/react/tsconfig.json'))).toBe(true)
+  expect(existsSync(join(fixturePath, 'plugin/tsconfig.json'))).toBe(true)
+})
diff --git a/test/fixture/workspaces/demo/react/package.json b/test/fixture/workspaces/demo/react/package.json
new file mode 100644
index 0000000..ab34e1d
--- /dev/null
+++ b/test/fixture/workspaces/demo/react/package.json
@@ -0,0 +1,7 @@
+{
+    "name": "demo-react",
+    "configuration": {
+        "typescript": "plugin",
+        "vite": true
+    }
+}
\ No newline at end of file
diff --git a/test/fixture/workspaces/package.json b/test/fixture/workspaces/package.json
new file mode 100644
index 0000000..7d86210
--- /dev/null
+++ b/test/fixture/workspaces/package.json
@@ -0,0 +1,10 @@
+{
+    "name": "workspaces",
+    "workspaces": [
+        "demo/*",
+        "plugin"
+    ],
+    "configuration": {
+        "typescript": "plugin"
+    }
+}
\ No newline at end of file
diff --git a/test/fixture/workspaces/plugin/package.json b/test/fixture/workspaces/plugin/package.json
new file mode 100644
index 0000000..a961ea1
--- /dev/null
+++ b/test/fixture/workspaces/plugin/package.json
@@ -0,0 +1,6 @@
+{
+    "name": "plugin",
+    "configuration": {
+        "typescript": "plugin"
+    }
+}
\ No newline at end of file
diff --git a/types.ts b/types.ts
index 465938d..d1c809d 100644
--- a/types.ts
+++ b/types.ts
@@ -23,4 +23,6 @@ export interface State {
   // configuration.js: JavaScript, configuration.ts: TypeScript
   language: 'json' | 'javascript' | 'typescript'
   packageJson: PackageJson
+  directory: string
+  root: boolean
 }