diff --git a/packages/rrweb-snapshot/test/integration.test.ts b/packages/rrweb-snapshot/test/integration.test.ts
index 11690048..c9377260 100644
--- a/packages/rrweb-snapshot/test/integration.test.ts
+++ b/packages/rrweb-snapshot/test/integration.test.ts
@@ -129,7 +129,8 @@ describe('integration tests', function (this: ISuite) {
         });
       }
       await waitForRAF(page);
-      const rebuildHtml = ((await page.evaluate(`${code}
+      const rebuildHtml = (
+        (await page.evaluate(`${code}
         const x = new XMLSerializer();
         const snap = rrweb.snapshot(document);
         let out = x.serializeToString(rrweb.rebuild(snap, { doc: document }));
@@ -138,7 +139,8 @@ describe('integration tests', function (this: ISuite) {
           out = out.replace(' xmlns=\"http://www.w3.org/1999/xhtml\"', '');
         }
         out;  // return
-      `)) as string)
+      `)) as string
+      )
         .replace(/\n\n/g, '')
         .replace(
           /blob:http:\/\/localhost:\d+\/[0-9a-z\-]+/,
diff --git a/packages/rrweb/src/record/mutation.ts b/packages/rrweb/src/record/mutation.ts
index acf1daa3..b1530b37 100644
--- a/packages/rrweb/src/record/mutation.ts
+++ b/packages/rrweb/src/record/mutation.ts
@@ -181,30 +181,32 @@ export default class MutationBuffer {
   private processedNodeManager: observerParam['processedNodeManager'];
 
   public init(options: MutationBufferParam) {
-    ([
-      'mutationCb',
-      'blockClass',
-      'blockSelector',
-      'maskTextClass',
-      'maskTextSelector',
-      'inlineStylesheet',
-      'maskInputOptions',
-      'maskTextFn',
-      'maskInputFn',
-      'keepIframeSrcFn',
-      'recordCanvas',
-      'inlineImages',
-      'enableStrictPrivacy',
-      'slimDOMOptions',
-      'dataURLOptions',
-      'doc',
-      'mirror',
-      'iframeManager',
-      'stylesheetManager',
-      'shadowDomManager',
-      'canvasManager',
-      'processedNodeManager',
-    ] as const).forEach((key) => {
+    (
+      [
+        'mutationCb',
+        'blockClass',
+        'blockSelector',
+        'maskTextClass',
+        'maskTextSelector',
+        'inlineStylesheet',
+        'maskInputOptions',
+        'maskTextFn',
+        'maskInputFn',
+        'keepIframeSrcFn',
+        'recordCanvas',
+        'inlineImages',
+        'enableStrictPrivacy',
+        'slimDOMOptions',
+        'dataURLOptions',
+        'doc',
+        'mirror',
+        'iframeManager',
+        'stylesheetManager',
+        'shadowDomManager',
+        'canvasManager',
+        'processedNodeManager',
+      ] as const
+    ).forEach((key) => {
       // just a type trick, the runtime result is correct
       this[key] = options[key] as never;
     });
diff --git a/packages/rrweb/test/record.test.ts b/packages/rrweb/test/record.test.ts
index 820a6c91..3d472e38 100644
--- a/packages/rrweb/test/record.test.ts
+++ b/packages/rrweb/test/record.test.ts
@@ -495,7 +495,7 @@ describe('record', function (this: ISuite) {
         iframe!.contentDocument!.adoptedStyleSheets = [sheet2];
         iframe!.contentDocument!.body.innerHTML = '<h1>h1 in iframe</h1>';
 
-        const { rrweb, emit } = (window as unknown) as IWindow;
+        const { rrweb, emit } = window as unknown as IWindow;
         rrweb.record({
           emit,
         });
@@ -569,7 +569,7 @@ describe('record', function (this: ISuite) {
       sheet2.replaceSync!('div {font-size: large;}');
       shadowHost.shadowRoot!.adoptedStyleSheets = [sheet2];
 
-      const { rrweb, emit } = (window as unknown) as IWindow;
+      const { rrweb, emit } = window as unknown as IWindow;
       rrweb.record({
         emit,
       });
@@ -603,7 +603,7 @@ describe('record', function (this: ISuite) {
         sheet.replaceSync!('h1 {color: blue;}');
         shadowHost.shadowRoot!.adoptedStyleSheets = [sheet];
 
-        const { rrweb, emit } = (window as unknown) as IWindow;
+        const { rrweb, emit } = window as unknown as IWindow;
         rrweb.record({
           emit,
         });
diff --git a/packages/rrweb/test/utils.ts b/packages/rrweb/test/utils.ts
index 911552d7..b8d61c56 100644
--- a/packages/rrweb/test/utils.ts
+++ b/packages/rrweb/test/utils.ts
@@ -17,7 +17,7 @@ import * as url from 'url';
 import * as fs from 'fs';
 
 export async function launchPuppeteer(
-  options?: Parameters<typeof puppeteer['launch']>[0],
+  options?: Parameters<(typeof puppeteer)['launch']>[0],
 ) {
   return await puppeteer.launch({
     headless: process.env.PUPPETEER_HEADLESS ? true : false,