diff --git a/.ls-lint.yml b/.ls-lint.yml
index d1a14afa5c..66034d6b95 100644
--- a/.ls-lint.yml
+++ b/.ls-lint.yml
@@ -13,8 +13,6 @@ ignore:
   - '**/*.test.{js,mjs,cjs,ts,cts,mts}'
   - packages/rollup-tests/test # Copied from rollup repo
   - 'crates/rolldown/tests/fixtures/**/_test.js' # `_test.js` is a special file, which will be treat as the entry file while executing the build output of fixture.
-  - packages/rolldown/build.config.ts # convention name for using unbuild
-  - packages/rolldown/vitest.config.ts
   - web/docs/.vitepress/cache # cache files generated by vitepress
   # FIXME: should not ignore following folders
   - web
diff --git a/cspell.json b/cspell.json
index 7f9f2e6577..4cf7409e99 100644
--- a/cspell.json
+++ b/cspell.json
@@ -100,8 +100,6 @@
     "transpiling",
     "treeshake",
     "consola",
-    "jiti",
-    "JITI",
     "citty",
     "underfin",
     "UNKEYED",
diff --git a/examples/basic-vue/build.js b/examples/basic-vue/rolldown.config.js
similarity index 52%
rename from examples/basic-vue/build.js
rename to examples/basic-vue/rolldown.config.js
index e24eae5a3b..e66dccfe5c 100644
--- a/examples/basic-vue/build.js
+++ b/examples/basic-vue/rolldown.config.js
@@ -1,9 +1,6 @@
-import { performance } from 'node:perf_hooks'
-import * as rolldown from 'rolldown'
+import { defineConfig } from 'rolldown'
 
-const start = performance.now()
-
-const build = await rolldown.rolldown({
+export default defineConfig({
   input: './index.js',
   resolve: {
     // This needs to be explicitly set for now because oxc resolver doesn't
@@ -12,7 +9,3 @@ const build = await rolldown.rolldown({
     conditionNames: ['import'],
   },
 })
-
-await build.write()
-
-console.log(`bundled in ${(performance.now() - start).toFixed(2)}ms`)
diff --git a/packages/rolldown/bin/cli.js b/packages/rolldown/bin/cli.js
index 2ac90f5f22..4a3bf36f02 100755
--- a/packages/rolldown/bin/cli.js
+++ b/packages/rolldown/bin/cli.js
@@ -1,2 +1,2 @@
 #!/usr/bin/env node
-import('../cli/main.js')
+import('../dist/cli.mjs')
diff --git a/packages/rolldown/build.config.ts b/packages/rolldown/build.config.ts
index 8f19abb8b2..10c5bdf771 100644
--- a/packages/rolldown/build.config.ts
+++ b/packages/rolldown/build.config.ts
@@ -5,13 +5,21 @@ import nodePath from 'node:path'
 import { globSync } from 'glob'
 
 export default defineBuildConfig({
-  entries: ['./src/index'],
+  entries: [
+    './src/index',
+    {
+      builder: 'rollup',
+      input: './src/cli/index',
+      name: 'cli',
+    },
+  ],
   clean: true,
   declaration: true, // generate .d.ts files
   externals: [/rolldown-binding\..*\.node/, /@rolldown\/binding-.*/],
   rollup: {
     emitCJS: true,
     cjsBridge: true,
+    inlineDependencies: true,
   },
   hooks: {
     'build:done'(_ctx) {
@@ -25,8 +33,8 @@ export default defineBuildConfig({
       // Move the binary file to dist
       binaryFiles.forEach((file) => {
         const fileName = nodePath.basename(file)
-        console.log('Copying', file, 'to ./dist')
-        nodeFs.copyFileSync(file, `./dist/${fileName}`)
+        console.log('Copying', file, 'to ./dist/shared')
+        nodeFs.copyFileSync(file, `./dist/shared/${fileName}`)
       })
     },
   },
diff --git a/packages/rolldown/cli/build.js b/packages/rolldown/cli/build.js
deleted file mode 100644
index f0fdce8e78..0000000000
--- a/packages/rolldown/cli/build.js
+++ /dev/null
@@ -1,74 +0,0 @@
-import path from 'node:path'
-import { performance } from 'node:perf_hooks'
-import consola from 'consola'
-import { colors } from 'consola/utils'
-import { rolldown } from '../dist/index.mjs'
-
-/**
- * @typedef {import('../src/rollup.d.ts').RollupOptions} RollupOptions
- */
-
-/**
- * Build
- *
- * @param {RollupOptions | RollupOptions[]} options - Rollup options
- */
-export default async function build(options) {
-  const _options = Array.isArray(options) ? options : [options]
-
-  for (const option of _options) {
-    await buildWithRolldown(option)
-  }
-}
-
-/**
- * Build with rolldown
- *
- * @param {RollupOptions} option - Rollup option
- */
-async function buildWithRolldown(option) {
-  const outputOptions = Array.isArray(option.output)
-    ? option.output
-    : [option.output]
-  const files = outputOptions.map((output) =>
-    relativeId(output.file || output.dir),
-  )
-  // TODO: multiple input files
-  const inputFiles = option.input
-
-  consola.info(`${colors.bold(inputFiles)} ...`)
-  // consola.info(
-  //   `${colors.bold(inputFiles)} → ${colors.bold(files.join(', '))}...`,
-  // )
-
-  const start = performance.now()
-  const bundle = await rolldown(option)
-  const ret = await Promise.all(
-    outputOptions.map((output) => {
-      consola.debug('output', output)
-      return bundle.write(output)
-    }),
-  )
-  ret.forEach((item, index) => {
-    consola.debug(index, item)
-  })
-  // TODO: bundle.close is not a function ...
-  // await bundle.close()
-
-  // consola.success(
-  //   `created ${colors.bold(files.join(', '))} in ${colors.bold((performance.now() - start).toFixed(2))}ms`,
-  // )
-  consola.success(
-    `created ${colors.bold(files.join(', '))} in ${colors.bold((performance.now() - start).toFixed(2))} ms`,
-  )
-}
-
-/**
- * Resolves a relative id to an absolute id.
- *
- * @param {string} id - An id to resolve
- * @returns {string} - A resolved relative id
- */
-function relativeId(id) {
-  return !path.isAbsolute(id) ? id : path.relative(path.resolve(), id)
-}
diff --git a/packages/rolldown/cli/config.js b/packages/rolldown/cli/config.js
deleted file mode 100644
index 7af8ed3668..0000000000
--- a/packages/rolldown/cli/config.js
+++ /dev/null
@@ -1,70 +0,0 @@
-import jitiFactory from 'jiti'
-import path from 'node:path'
-import fs from 'node:fs'
-import { fileURLToPath } from 'node:url'
-import { ERR_UNSUPPORTED_CONFIG_FORMAT } from './errors.js'
-
-const __filename = fileURLToPath(import.meta.url)
-
-const DEFAULT_CONFIG_FILE = 'rolldown.config.js'
-
-/**
- * Normalize a rolldown configuration file path
- *
- * @description
- * if the specified path is a directory, it will be resolved to the default configuration file.
- *
- * @param {string} configPath - A path of rolldown configuration file
- * @returns {string} A normalized path of rolldown configuration file
- *
- * @throws {Error} - If the specified path is invalid (e.g ENOENT), throw an error
- */
-export function normalizeConfigPath(configPath) {
-  if (fs.lstatSync(configPath).isDirectory()) {
-    return path.resolve(configPath, DEFAULT_CONFIG_FILE)
-  } else {
-    return configPath
-  }
-}
-
-/**
- * @typedef {import('../src/rollup.d.ts').RollupOptions} RollupOptions
- */
-
-/**
- * Load a rolldown configuration file
- *
- * @param {string} configPath - A path of rolldown configuration file
- * @returns {RollupOptions | RollupOptions[]} A rollup options via rollup configuration file
- */
-export function loadConfig(configPath) {
-  // TODO: function case
-  if (!isSupportedFormat(configPath)) {
-    throw new Error(ERR_UNSUPPORTED_CONFIG_FORMAT)
-  }
-  return lazyJiti()(configPath)
-}
-
-/**
- * Check whether the configuration file is supported
- *
- * @param {string} configPath - The path of the rolldown configuration file
- * @returns {boolean} whether the configuration file is supported
- */
-function isSupportedFormat(configPath) {
-  const ext = path.extname(configPath)
-  return /\.(js|mjs|ts)$/.test(ext)
-}
-
-/**
- * @type {import('jiti').JITI | null}
- */
-let jiti = null
-
-/**
- * Get a jiti instance lazily
- * @returns {import('jiti').JITI}
- */
-function lazyJiti() {
-  return jiti ?? (jiti = jitiFactory(__filename))
-}
diff --git a/packages/rolldown/cli/main.js b/packages/rolldown/cli/main.js
deleted file mode 100644
index e3efa0418f..0000000000
--- a/packages/rolldown/cli/main.js
+++ /dev/null
@@ -1,46 +0,0 @@
-import { defineCommand, runMain, showUsage } from 'citty'
-import consola from 'consola'
-import process from 'node:process'
-import path from 'node:path'
-import pkgJson from '../package.json' assert { type: 'json' }
-import { normalizeConfigPath, loadConfig } from './config.js'
-import build from './build.js'
-
-/**
- * NOTE:
- *  currently, It's hard to customize usage with citty `renderUsage`.
- *  It may be better to use another CLI library or construct our own.
- */
-
-const main = defineCommand({
-  meta: {
-    name: 'rolldown',
-    version: pkgJson.version,
-    description: pkgJson.description,
-  },
-  args: {
-    config: {
-      type: 'string',
-      alias: 'c',
-      description:
-        'Use this config file (if argument is used but value is unspecified, defaults to rolldown.config.js)',
-    },
-  },
-  async run(ctx) {
-    if (ctx.rawArgs.length === 0) {
-      await showUsage(ctx.cmd)
-      return
-    }
-
-    const currentDir = path.resolve(process.cwd(), '.')
-    const configPath = normalizeConfigPath(
-      path.resolve(currentDir, ctx.args.config),
-    )
-    const { default: config } = loadConfig(configPath)
-    consola.debug('loaded config', config)
-
-    await build(config)
-  },
-})
-
-runMain(main)
diff --git a/packages/rolldown/package.json b/packages/rolldown/package.json
index eb00b70824..6705ace02d 100644
--- a/packages/rolldown/package.json
+++ b/packages/rolldown/package.json
@@ -21,7 +21,6 @@
   "bin": {
     "rolldown": "./bin/cli.js"
   },
-  "type": "module",
   "main": "./dist/index.cjs",
   "types": "./dist/index.d.ts",
   "exports": {
@@ -67,14 +66,11 @@
       "armv7-linux-androideabi"
     ]
   },
-  "dependencies": {
-    "citty": "^0.1.6",
-    "consola": "^3.2.3",
-    "jiti": "^1.21.0"
-  },
   "devDependencies": {
     "@napi-rs/cli": "^3.0.0-alpha.43",
+    "citty": "^0.1.6",
     "colorette": "^2.0.20",
+    "consola": "^3.2.3",
     "glob": "^10.3.10",
     "rollup": "^4.12.1",
     "type-fest": "^4.12.0",
diff --git a/packages/rolldown/src/cli/commands/bundle.ts b/packages/rolldown/src/cli/commands/bundle.ts
new file mode 100644
index 0000000000..6eb47a91e2
--- /dev/null
+++ b/packages/rolldown/src/cli/commands/bundle.ts
@@ -0,0 +1,26 @@
+import { performance } from 'node:perf_hooks'
+import consola from 'consola'
+import { colors } from 'consola/utils'
+import { RolldownOptions, rolldown } from '../../index'
+import { RolldownConfigExport } from '../../types/rolldown-config-export'
+import { arraify } from '../../utils'
+
+export async function bundle(configExport: RolldownConfigExport) {
+  const options = arraify(configExport)
+
+  for (const option of options) {
+    await bundleInner(option)
+  }
+}
+
+async function bundleInner(options: RolldownOptions) {
+  const start = performance.now()
+
+  const build = await rolldown(options)
+
+  const _output = await build.write(options?.output)
+
+  consola.log(
+    `Finished in ${colors.bold((performance.now() - start).toFixed(2))} ms`,
+  )
+}
diff --git a/packages/rolldown/cli/errors.js b/packages/rolldown/src/cli/errors.ts
similarity index 100%
rename from packages/rolldown/cli/errors.js
rename to packages/rolldown/src/cli/errors.ts
diff --git a/packages/rolldown/src/cli/index.ts b/packages/rolldown/src/cli/index.ts
new file mode 100644
index 0000000000..f9e6f4a012
--- /dev/null
+++ b/packages/rolldown/src/cli/index.ts
@@ -0,0 +1,52 @@
+import { defineCommand, runMain, showUsage } from 'citty'
+import consola from 'consola'
+import process from 'node:process'
+import path from 'node:path'
+import pkgJson from '../../package.json' assert { type: 'json' }
+import { loadConfig } from './utils.js'
+import { bundle } from './commands/bundle'
+
+const main = defineCommand({
+  meta: {
+    name: 'rolldown',
+    version: pkgJson.version,
+    description: pkgJson.description,
+  },
+  args: {
+    config: {
+      type: 'string',
+      alias: 'c',
+      description:
+        'Use this config file (if argument is used but value is unspecified, defaults to rolldown.config.js)',
+    },
+    help: {
+      type: 'boolean',
+      alias: 'h',
+      description: 'Show this help message',
+    },
+  },
+  async run(ctx) {
+    if (ctx.args.help) {
+      await showUsage(ctx.cmd)
+      return
+    }
+    const cwd = process.cwd()
+    let configPath
+    if (ctx.args.config) {
+      configPath = path.resolve(cwd, ctx.args.config)
+    } else {
+      configPath = path.resolve(cwd, 'rolldown.config.js')
+    }
+
+    const config = await loadConfig(configPath)
+
+    if (!config) {
+      consola.error(`No configuration found at ${configPath}`)
+      process.exit(1)
+    }
+
+    await bundle(config)
+  },
+})
+
+runMain(main)
diff --git a/packages/rolldown/src/cli/utils.ts b/packages/rolldown/src/cli/utils.ts
new file mode 100644
index 0000000000..94209cec50
--- /dev/null
+++ b/packages/rolldown/src/cli/utils.ts
@@ -0,0 +1,27 @@
+import path from 'node:path'
+import { ERR_UNSUPPORTED_CONFIG_FORMAT } from './errors.js'
+import { RolldownConfigExport } from '../types/rolldown-config-export.js'
+
+/**
+ * @typedef {import('../rollup').RollupOptions} RollupOptions
+ */
+
+/**
+ * Load a rolldown configuration file
+ */
+export async function loadConfig(
+  configPath: string,
+): Promise<RolldownConfigExport | undefined> {
+  if (!isSupportedFormat(configPath)) {
+    throw new Error(ERR_UNSUPPORTED_CONFIG_FORMAT)
+  }
+  return import(configPath).then((config) => config.default)
+}
+
+/**
+ * Check whether the configuration file is supported
+ */
+function isSupportedFormat(configPath: string): boolean {
+  const ext = path.extname(configPath)
+  return /\.(js|mjs)$/.test(ext)
+}
diff --git a/packages/rolldown/src/index.ts b/packages/rolldown/src/index.ts
index 44d83b62ce..ed5a476604 100644
--- a/packages/rolldown/src/index.ts
+++ b/packages/rolldown/src/index.ts
@@ -1,19 +1,19 @@
 import { RolldownOutput } from './objects/rolldown-output'
 import type { InputOptions, RolldownPlugin } from './options/input-options'
 import type { OutputOptions } from './options/output-options'
+import type { RolldownOptions } from './types/rolldown-options'
+import { defineConfig } from './utils/define-config'
 
 export { rolldown, experimental_scan } from './rolldown'
 
-interface RollupOptions extends InputOptions {
-  // This is included for compatibility with config files but ignored by rollup.rollup
-  output?: OutputOptions | OutputOptions[]
-}
+export { defineConfig }
 
-// export types from rolldown
 export type {
-  RollupOptions,
+  RolldownOptions,
+  RolldownOptions as RollupOptions,
+  RolldownOutput,
+  RolldownOutput as RollupOutput,
   InputOptions,
   OutputOptions,
   RolldownPlugin as Plugin,
-  RolldownOutput as RollupOutput,
 }
diff --git a/packages/rolldown/src/rolldown-build.ts b/packages/rolldown/src/rolldown-build.ts
index 3c1b0b199b..6af24ba33f 100644
--- a/packages/rolldown/src/rolldown-build.ts
+++ b/packages/rolldown/src/rolldown-build.ts
@@ -10,6 +10,7 @@ export class RolldownBuild {
   #bundler?: Bundler
 
   constructor(inputOptions: InputOptions) {
+    // TODO: Check if `inputOptions.output` is set. If so, throw an warning that it is ignored.
     this.#inputOptions = inputOptions
   }
 
diff --git a/packages/rolldown/src/types/rolldown-config-export.ts b/packages/rolldown/src/types/rolldown-config-export.ts
new file mode 100644
index 0000000000..46b211e92d
--- /dev/null
+++ b/packages/rolldown/src/types/rolldown-config-export.ts
@@ -0,0 +1,3 @@
+import { RolldownOptions } from './rolldown-options'
+
+export type RolldownConfigExport = RolldownOptions | RolldownOptions[]
diff --git a/packages/rolldown/src/types/rolldown-options.ts b/packages/rolldown/src/types/rolldown-options.ts
new file mode 100644
index 0000000000..ea8ea3ad6e
--- /dev/null
+++ b/packages/rolldown/src/types/rolldown-options.ts
@@ -0,0 +1,7 @@
+import { InputOptions } from '../options/input-options'
+import { OutputOptions } from '../options/output-options'
+
+export interface RolldownOptions extends InputOptions {
+  // This is included for compatibility with config files but ignored by `rolldown.rolldown`
+  output?: OutputOptions
+}
diff --git a/packages/rolldown/src/utils/define-config.ts b/packages/rolldown/src/utils/define-config.ts
new file mode 100644
index 0000000000..b79aae5eb0
--- /dev/null
+++ b/packages/rolldown/src/utils/define-config.ts
@@ -0,0 +1,7 @@
+import { RolldownConfigExport } from '../types/rolldown-config-export'
+
+export function defineConfig(
+  config: RolldownConfigExport,
+): RolldownConfigExport {
+  return config
+}
diff --git a/packages/rolldown/test/cli/config.test.ts b/packages/rolldown/test/cli/config.test.ts
new file mode 100644
index 0000000000..53e9cbd837
--- /dev/null
+++ b/packages/rolldown/test/cli/config.test.ts
@@ -0,0 +1,47 @@
+import { describe, test, assert } from 'vitest'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { loadConfig } from '../../src/cli/utils'
+import { ERR_UNSUPPORTED_CONFIG_FORMAT } from '../../src/cli/errors'
+import { expect } from 'vitest'
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+
+describe('loadConfig', () => {
+  const RE_ERR = RegExp(ERR_UNSUPPORTED_CONFIG_FORMAT)
+
+  test('js', async () => {
+    const config = await loadConfig(
+      path.resolve(__dirname, 'fixtures/rolldown.config.js'),
+    )
+    assert.deepEqual(config, { input: 'src/index.js' })
+  })
+
+  test('mjs', async () => {
+    const config = await loadConfig(
+      path.resolve(__dirname, 'fixtures/rolldown.config.mjs'),
+    )
+    assert.deepEqual(config, [
+      { input: 'src/app1/index.js' },
+      { input: 'src/app2/index.js' },
+    ])
+  })
+
+  test('cjs', async () => {
+    await expect(
+      loadConfig(path.resolve(__dirname, 'fixtures/rolldown.config.cjs')),
+    ).rejects.toThrowError(RE_ERR)
+  })
+
+  test('other format', async () => {
+    await expect(
+      loadConfig(path.resolve(__dirname, 'fixtures/rolldown.config.json')),
+    ).rejects.toThrowError(RE_ERR)
+  })
+
+  test('not found file', async () => {
+    await expect(
+      loadConfig(path.join(__dirname, 'fixtures/rollup.config.js')),
+    ).rejects.toThrowError(Error)
+  })
+})
diff --git a/packages/rolldown/test/fixtures/basic/rolldown.config.js b/packages/rolldown/test/cli/fixtures/basic/rolldown.config.js
similarity index 100%
rename from packages/rolldown/test/fixtures/basic/rolldown.config.js
rename to packages/rolldown/test/cli/fixtures/basic/rolldown.config.js
diff --git a/packages/rolldown/test/fixtures/basic/src/calc.js b/packages/rolldown/test/cli/fixtures/basic/src/calc.js
similarity index 100%
rename from packages/rolldown/test/fixtures/basic/src/calc.js
rename to packages/rolldown/test/cli/fixtures/basic/src/calc.js
diff --git a/packages/rolldown/test/fixtures/basic/src/index.js b/packages/rolldown/test/cli/fixtures/basic/src/index.js
similarity index 100%
rename from packages/rolldown/test/fixtures/basic/src/index.js
rename to packages/rolldown/test/cli/fixtures/basic/src/index.js
diff --git a/packages/rolldown/test/fixtures/basic/src/modules/say.js b/packages/rolldown/test/cli/fixtures/basic/src/modules/say.js
similarity index 100%
rename from packages/rolldown/test/fixtures/basic/src/modules/say.js
rename to packages/rolldown/test/cli/fixtures/basic/src/modules/say.js
diff --git a/packages/rolldown/test/fixtures/rolldown.config.cjs b/packages/rolldown/test/cli/fixtures/rolldown.config.cjs
similarity index 100%
rename from packages/rolldown/test/fixtures/rolldown.config.cjs
rename to packages/rolldown/test/cli/fixtures/rolldown.config.cjs
diff --git a/packages/rolldown/test/fixtures/rolldown.config.js b/packages/rolldown/test/cli/fixtures/rolldown.config.js
similarity index 100%
rename from packages/rolldown/test/fixtures/rolldown.config.js
rename to packages/rolldown/test/cli/fixtures/rolldown.config.js
diff --git a/packages/rolldown/test/fixtures/rolldown.config.json b/packages/rolldown/test/cli/fixtures/rolldown.config.json
similarity index 100%
rename from packages/rolldown/test/fixtures/rolldown.config.json
rename to packages/rolldown/test/cli/fixtures/rolldown.config.json
diff --git a/packages/rolldown/test/fixtures/rolldown.config.mjs b/packages/rolldown/test/cli/fixtures/rolldown.config.mjs
similarity index 100%
rename from packages/rolldown/test/fixtures/rolldown.config.mjs
rename to packages/rolldown/test/cli/fixtures/rolldown.config.mjs
diff --git a/packages/rolldown/test/fixtures/rolldown.config.ts b/packages/rolldown/test/cli/fixtures/rolldown.config.ts
similarity index 100%
rename from packages/rolldown/test/fixtures/rolldown.config.ts
rename to packages/rolldown/test/cli/fixtures/rolldown.config.ts
diff --git a/packages/rolldown/test/fixtures/transform.ts b/packages/rolldown/test/cli/fixtures/transform.ts
similarity index 100%
rename from packages/rolldown/test/fixtures/transform.ts
rename to packages/rolldown/test/cli/fixtures/transform.ts
diff --git a/packages/rolldown/test/config.test.js b/packages/rolldown/test/config.test.js
deleted file mode 100644
index c510bbce23..0000000000
--- a/packages/rolldown/test/config.test.js
+++ /dev/null
@@ -1,77 +0,0 @@
-import { describe, test, assert } from 'vitest'
-import path from 'node:path'
-import { fileURLToPath } from 'node:url'
-import { normalizeConfigPath, loadConfig } from '../cli/config.js'
-import { ERR_UNSUPPORTED_CONFIG_FORMAT } from '../cli/errors.js'
-
-const __dirname = path.dirname(fileURLToPath(import.meta.url))
-
-describe('normalizeConfigPath', () => {
-  test('has the config file', () => {
-    const configPath = path.resolve(__dirname, 'fixtures/rolldown.config.ts')
-    const normalized = normalizeConfigPath(configPath)
-    assert(normalized === configPath)
-  })
-
-  test('directory', () => {
-    const configPath = path.resolve(__dirname, 'fixtures')
-    const normalized = normalizeConfigPath(configPath)
-    assert(normalized === path.resolve(configPath, 'rolldown.config.js'))
-  })
-
-  test('Error: ENOENT', async () => {
-    assert.throws(() => {
-      normalizeConfigPath(path.resolve(__dirname, 'foo/bar'))
-    }, /ENOENT: no such file or directory/)
-  })
-})
-
-describe('loadConfig', () => {
-  const RE_ERR = RegExp(ERR_UNSUPPORTED_CONFIG_FORMAT)
-
-  test('js', () => {
-    const config = loadConfig(
-      path.resolve(__dirname, 'fixtures/rolldown.config.js'),
-    )
-    assert.deepEqual(config, { default: { input: 'src/index.js' } })
-  })
-
-  test('mjs', () => {
-    const config = loadConfig(
-      path.resolve(__dirname, 'fixtures/rolldown.config.mjs'),
-    )
-    assert.deepEqual(config, {
-      default: [{ input: 'src/app1/index.js' }, { input: 'src/app2/index.js' }],
-    })
-  })
-
-  test('ts', () => {
-    const { default: config } = loadConfig(
-      path.resolve(__dirname, 'fixtures/rolldown.config.ts'),
-    )
-    assert(config.input === 'src/index.ts')
-
-    const plugin = config.plugins.find(
-      (plugin) => plugin.name === 'test-plugin',
-    )
-    assert(typeof plugin.transform === 'function')
-  })
-
-  test('cjs', () => {
-    assert.throws(() => {
-      loadConfig(path.resolve(__dirname, 'fixtures/rolldown.config.cjs'))
-    }, RE_ERR)
-  })
-
-  test('other format', () => {
-    assert.throws(() => {
-      loadConfig(path.join(__dirname, 'fixtures/rolldown.config.json'))
-    }, RE_ERR)
-  })
-
-  test('not found file', () => {
-    assert.throws(() => {
-      loadConfig(path.join(__dirname, 'fixtures/rollup.config.js'))
-    }, Error)
-  })
-})
diff --git a/packages/rolldown/vitest.config.mts b/packages/rolldown/vitest.config.mts
index 2fe94cb830..3f7edd9ec0 100644
--- a/packages/rolldown/vitest.config.mts
+++ b/packages/rolldown/vitest.config.mts
@@ -2,7 +2,7 @@ import { defineConfig } from 'vitest/config'
 
 export default defineConfig({
   test: {
-    include: ['./test/runner.ts', './test/*.test.js'],
+    include: ['./test/runner.ts', './test/*.test.ts'],
     testTimeout: 20000,
   },
   esbuild: {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4481afa752..de3839f550 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -91,39 +91,20 @@ importers:
         specifier: ^4.3.0
         version: 4.3.0(vue@3.4.21)
 
-  packages/cli:
-    dependencies:
-      citty:
-        specifier: ^0.1.6
-        version: 0.1.6
-      consola:
-        specifier: ^3.2.3
-        version: 3.2.3
-      jiti:
-        specifier: ^1.21.0
-        version: 1.21.0
-      rolldown:
-        specifier: workspace:*
-        version: link:../rolldown
-
   packages/rolldown:
-    dependencies:
-      citty:
-        specifier: ^0.1.6
-        version: 0.1.6
-      consola:
-        specifier: ^3.2.3
-        version: 3.2.3
-      jiti:
-        specifier: ^1.21.0
-        version: 1.21.0
     devDependencies:
       '@napi-rs/cli':
         specifier: ^3.0.0-alpha.43
         version: 3.0.0-alpha.43
+      citty:
+        specifier: ^0.1.6
+        version: 0.1.6
       colorette:
         specifier: ^2.0.20
         version: 2.0.20
+      consola:
+        specifier: ^3.2.3
+        version: 3.2.3
       glob:
         specifier: ^10.3.10
         version: 10.3.10
@@ -3402,6 +3383,7 @@ packages:
     resolution: {integrity: sha512-tskPPKEs8D2KPafUypv2gxwJP8h/OaJmC82QQGGDQcHvXX43xF2VDACcJVmZ0EuSxkpO9Kc4MlrA3q0+FG58AQ==}
     dependencies:
       consola: 3.2.3
+    dev: true
 
   /clear-module@4.1.2:
     resolution: {integrity: sha512-LWAxzHqdHsAZlPlEyJ2Poz6AIs384mPeqLVCru2p0BrP9G/kVGuhNyZYClLO6cXlnuJjzC8xtsJIuMjKqLXoAw==}
@@ -3575,6 +3557,7 @@ packages:
   /consola@3.2.3:
     resolution: {integrity: sha512-I5qxpzLv+sJhTVEoLYNcTW+bThDCPsit0vLNKShZx6rLtpilNpmmeTPaeqJb9ZE9dV3DGaeby6Vuhrw38WjeyQ==}
     engines: {node: ^14.18.0 || >=16.10.0}
+    dev: true
 
   /conventional-changelog-angular@7.0.0:
     resolution: {integrity: sha512-ROjNchA9LgfNMTTFSIWPzebCwOGFdgkEq45EnvvrmSLvCtAw0HSmrCs7/ty+wAeYUZyNay0YMUNYFTRL72PkBQ==}
@@ -5248,6 +5231,7 @@ packages:
   /jiti@1.21.0:
     resolution: {integrity: sha512-gFqAIbuKyyso/3G2qhiO2OM6shY6EPP/R0+mkDbyspxKazh8BXDC5FiFsUjlczgdNz/vfra0da2y+aHrusLG/Q==}
     hasBin: true
+    dev: true
 
   /js-tokens@4.0.0:
     resolution: {integrity: sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==}