diff --git a/src/farm/index.ts b/src/farm/index.ts
index d0ed9c4..1212747 100644
--- a/src/farm/index.ts
+++ b/src/farm/index.ts
@@ -8,14 +8,13 @@ import type {
   PluginTransformHookResult,
 } from '@farmfe/core'
 import type {
-  JsPluginExtended,
   TransformResult,
   UnpluginContextMeta,
   UnpluginFactory,
   UnpluginInstance,
   UnpluginOptions,
 } from '../types'
-import type { WatchChangeEvents } from './utils'
+import type { JsPluginExtended, WatchChangeEvents } from './utils'
 import path from 'path'
 import { toArray } from '../utils'
 import { createFarmContext, unpluginContext } from './context'
diff --git a/src/farm/utils.ts b/src/farm/utils.ts
index dd3eb85..35f9691 100644
--- a/src/farm/utils.ts
+++ b/src/farm/utils.ts
@@ -1,3 +1,4 @@
+import type { JsPlugin } from '@farmfe/core'
 import type { TransformResult } from '../types'
 import path from 'path'
 import * as querystring from 'querystring'
@@ -86,3 +87,7 @@ export function customParseQueryString(url: string | null) {
 
   return paramsArray
 }
+
+export interface JsPluginExtended extends JsPlugin {
+  [key: string]: any
+}
diff --git a/src/types.ts b/src/types.ts
index 6648f1d..02cbe9f 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -21,6 +21,16 @@ export type {
 
 export type Thenable<T> = T | Promise<T>
 
+/**
+ * Null or whatever
+ */
+export type Nullable<T> = T | null | undefined
+
+/**
+ * Array, or not yet
+ */
+export type Arrayable<T> = T | Array<T>
+
 export interface SourceMapCompact {
   file?: string
   mappings: string
@@ -32,10 +42,6 @@ export interface SourceMapCompact {
   version: number
 }
 
-export interface JsPluginExtended extends FarmPlugin {
-  [key: string]: any
-}
-
 export type TransformResult = string | { code: string, map?: SourceMapInput | SourceMapCompact | null } | null | undefined | void
 
 export interface ExternalIdResult { id: string, external?: boolean }
diff --git a/src/utils.ts b/src/utils.ts
index 767ffc5..9287653 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,4 +1,4 @@
-import type { ResolvedUnpluginOptions } from './types'
+import type { Arrayable, Nullable, ResolvedUnpluginOptions } from './types'
 import { isAbsolute, normalize } from 'path'
 
 /**
@@ -18,16 +18,6 @@ export function normalizeAbsolutePath(path: string) {
     return path
 }
 
-/**
- * Null or whatever
- */
-export type Nullable<T> = T | null | undefined
-
-/**
- * Array, or not yet
- */
-export type Arrayable<T> = T | Array<T>
-
 export function toArray<T>(array?: Nullable<Arrayable<T>>): Array<T> {
   array = array || []
   if (Array.isArray(array))