diff --git a/packages/shikiji/src/core/renderer-hast.ts b/packages/shikiji/src/core/renderer-hast.ts
index c4180cb8b..c085a6431 100644
--- a/packages/shikiji/src/core/renderer-hast.ts
+++ b/packages/shikiji/src/core/renderer-hast.ts
@@ -19,6 +19,7 @@ export function codeToHast(
   options: CodeToHastOptions,
   transformerContext: ShikijiTransformerContextCommon = {
     meta: {},
+    codeToHast: (_code, _options) => codeToHast(internal, _code, _options),
   },
 ) {
   let bg: string
@@ -138,9 +139,7 @@ function flattenToken(
 export function tokensToHast(
   tokens: ThemedToken[][],
   options: HtmlRendererOptions,
-  transformerContext: ShikijiTransformerContextCommon = {
-    meta: {},
-  },
+  transformerContext: ShikijiTransformerContextCommon,
 ) {
   const {
     mergeWhitespaces = true,
diff --git a/packages/shikiji/src/core/renderer-html-themes.ts b/packages/shikiji/src/core/renderer-html-themes.ts
index d0b5667a1..ed2c0b31c 100644
--- a/packages/shikiji/src/core/renderer-html-themes.ts
+++ b/packages/shikiji/src/core/renderer-html-themes.ts
@@ -10,7 +10,7 @@ import { codeToThemedTokens } from './tokenizer'
  * Get tokens with multiple themes
  */
 export function codeToTokensWithThemes(
-  context: ShikiInternal,
+  internal: ShikiInternal,
   code: string,
   options: CodeToTokensWithThemesOptions,
 ) {
@@ -19,7 +19,7 @@ export function codeToTokensWithThemes(
     .map(i => ({ color: i[0], theme: i[1]! }))
 
   const tokens = syncThemesTokenization(
-    ...themes.map(t => codeToThemedTokens(context, code, {
+    ...themes.map(t => codeToThemedTokens(internal, code, {
       ...options,
       theme: t.theme,
       includeExplanation: false,
diff --git a/packages/shikiji/src/core/renderer-html.ts b/packages/shikiji/src/core/renderer-html.ts
index ad084cde1..248a24268 100644
--- a/packages/shikiji/src/core/renderer-html.ts
+++ b/packages/shikiji/src/core/renderer-html.ts
@@ -12,6 +12,7 @@ export function codeToHtml(
 ): string {
   const context: ShikijiTransformerContextCommon = {
     meta: {},
+    codeToHast: (_code, _options) => codeToHast(internal, _code, _options),
   }
 
   let intput = code
diff --git a/packages/shikiji/src/core/tokenizer.ts b/packages/shikiji/src/core/tokenizer.ts
index a5432a2d0..47a034c04 100644
--- a/packages/shikiji/src/core/tokenizer.ts
+++ b/packages/shikiji/src/core/tokenizer.ts
@@ -1,8 +1,6 @@
 /* ---------------------------------------------------------
  * Copyright (C) Microsoft Corporation. All rights reserved.
  *-------------------------------------------------------- */
-'use strict'
-
 import type { IGrammar, IRawTheme } from 'vscode-textmate'
 import { INITIAL } from 'vscode-textmate'
 import type { CodeToThemedTokensOptions, ShikiInternal, ThemedToken, ThemedTokenScopeExplanation } from '../types'
@@ -16,13 +14,13 @@ export interface TokenizeWithThemeOptions {
 }
 
 export function codeToThemedTokens(
-  context: ShikiInternal,
+  internal: ShikiInternal,
   code: string,
   options: CodeToThemedTokensOptions = {},
 ): ThemedToken[][] {
   const {
     lang = 'text',
-    theme: themeName = context.getLoadedThemes()[0],
+    theme: themeName = internal.getLoadedThemes()[0],
     includeExplanation = true,
   } = options
 
@@ -31,12 +29,12 @@ export function codeToThemedTokens(
     return [...lines.map(line => [{ content: line }])]
   }
 
-  const { theme, colorMap } = context.setTheme(themeName)
+  const { theme, colorMap } = internal.setTheme(themeName)
 
   if (lang === 'ansi')
     return tokenizeAnsiWithTheme(theme, code)
 
-  const _grammar = context.getLangGrammar(lang)
+  const _grammar = internal.getLangGrammar(lang)
   return tokenizeWithTheme(code, _grammar, theme, colorMap, {
     includeExplanation,
   })
diff --git a/packages/shikiji/src/types.ts b/packages/shikiji/src/types.ts
index 9346bac21..364e36ffa 100644
--- a/packages/shikiji/src/types.ts
+++ b/packages/shikiji/src/types.ts
@@ -360,6 +360,7 @@ export interface ShikijiTransformerContextMeta {}
 
 export interface ShikijiTransformerContextCommon {
   meta: ShikijiTransformerContextMeta
+  codeToHast: (code: string, options: CodeToHastOptions) => Root
 }
 
 export interface ShikijiTransformerContext extends ShikijiTransformerContextCommon {