diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4ca58354..4c072869 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: pnpm/action-setup@v4.1.0
         name: Install pnpm
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index c9916a2e..a76230fc 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: pnpm/action-setup@v4.1.0
         name: Install pnpm
diff --git a/.github/workflows/release-continuous.yml b/.github/workflows/release-continuous.yml
index 2c8b81a9..9a8d3d3c 100644
--- a/.github/workflows/release-continuous.yml
+++ b/.github/workflows/release-continuous.yml
@@ -7,7 +7,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - uses: pnpm/action-setup@v4.1.0
         name: Install pnpm
diff --git a/assets/cjs_shims.js b/assets/cjs_shims.js
index ea603830..9342fe24 100644
--- a/assets/cjs_shims.js
+++ b/assets/cjs_shims.js
@@ -3,11 +3,12 @@
 // if we export it as `const importMetaUrl = ... __filename ...`
 // But using a function will not cause this issue
 
-const getImportMetaUrl = () => 
-  typeof document === "undefined" 
-    ? new URL(`file:${__filename}`).href 
-    : (document.currentScript && document.currentScript.tagName.toUpperCase() === 'SCRIPT') 
-      ? document.currentScript.src 
-      : new URL("main.js", document.baseURI).href;
+const getImportMetaUrl = () =>
+  typeof document === 'undefined'
+    ? new URL(`file:${__filename}`).href
+    : document.currentScript &&
+        document.currentScript.tagName.toUpperCase() === 'SCRIPT'
+      ? document.currentScript.src
+      : new URL('main.js', document.baseURI).href
 
 export const importMetaUrl = /* @__PURE__ */ getImportMetaUrl()
diff --git a/docs/README.md b/docs/README.md
index e9816cec..e095f33f 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -615,6 +615,7 @@ When you use legacy TypeScript decorator by enabling `emitDecoratorMetadata` in
 decorators. In this case, you can give extra swc configuration in the `tsup.config.ts` file.
 
 For example, if you have to define `useDefineForClassFields`, you can do that as follows:
+
 ```ts
 import { defineConfig } from 'tsup'
 
@@ -626,10 +627,10 @@ export default defineConfig({
   swc: {
     jsc: {
       transform: {
-        useDefineForClassFields: true
-      }
-    }
-  }
+        useDefineForClassFields: true,
+      },
+    },
+  },
 })
 ```
 
@@ -648,9 +649,9 @@ Note: some SWC options cannot be configured:
   "keepClassNames": true,
   "target": "es2022"
 }
- ```
+```
 
-You can also define a custom `.swcrc` configuration file. Just set `swcrc` to `true` 
+You can also define a custom `.swcrc` configuration file. Just set `swcrc` to `true`
 in `tsup.config.ts` to allow SWC plugin to discover automatically your custom swc config file.
 
 ```ts
@@ -662,8 +663,8 @@ export default defineConfig({
   sourcemap: true,
   clean: true,
   swc: {
-    swcrc: true
-  }
+    swcrc: true,
+  },
 })
 ```
 
diff --git a/src/esbuild/swc.ts b/src/esbuild/swc.ts
index 755009d3..ee12c1dc 100644
--- a/src/esbuild/swc.ts
+++ b/src/esbuild/swc.ts
@@ -9,7 +9,10 @@ import type { Logger } from '../log'
 
 export type SwcPluginConfig = { logger: Logger } & Options
 
-export const swcPlugin = ({ logger, ...swcOptions }: SwcPluginConfig): Plugin => {
+export const swcPlugin = ({
+  logger,
+  ...swcOptions
+}: SwcPluginConfig): Plugin => {
   return {
     name: 'swc',
 
diff --git a/src/options.ts b/src/options.ts
index 6bbee23b..7f68bd8c 100644
--- a/src/options.ts
+++ b/src/options.ts
@@ -257,8 +257,8 @@ export type Options = {
    * @default true
    */
   removeNodeProtocol?: boolean
-  
-  swc?: SwcPluginConfig;
+
+  swc?: SwcPluginConfig
 }
 
 export interface NormalizedExperimentalDtsConfig {
diff --git a/vitest.config.mts b/vitest.config.mts
index 8f6d3ac6..7e032eda 100644
--- a/vitest.config.mts
+++ b/vitest.config.mts
@@ -4,6 +4,6 @@ export default defineConfig({
   test: {
     testTimeout: 50000,
     globalSetup: 'vitest-global.ts',
-    include: ["test/*.test.ts", "src/**/*.test.ts"]
+    include: ['test/*.test.ts', 'src/**/*.test.ts'],
   },
 })