refactor: remove useless capture group

Author: yyx990803

packages/vite/src/node/__tests__/scan.spec.ts

@@ -1,4 +1,5 @@
 import { scriptRE, commentRE } from '../optimizer/scan'
+
 describe('optimizer-scan:script-test', () => {
   const scriptContent = `import { defineComponent } from 'vue'
       import ScriptDevelopPane from './ScriptDevelopPane.vue';
@@ -10,14 +11,14 @@ describe('optimizer-scan:script-test', () => {
 
   test('component return value test', () => {
     scriptRE.lastIndex = 0
-    const [, tsOpenTag, , tsContent] = scriptRE.exec(
+    const [, tsOpenTag, tsContent] = scriptRE.exec(
       `<script lang="ts">${scriptContent}</script>`
     )
     expect(tsOpenTag).toEqual('<script lang="ts">')
     expect(tsContent).toEqual(scriptContent)
 
     scriptRE.lastIndex = 0
-    const [, openTag, , content] = scriptRE.exec(
+    const [, openTag, content] = scriptRE.exec(
       `<script>${scriptContent}</script>`
     )
     expect(openTag).toEqual('<script>')
@@ -54,16 +55,12 @@ describe('optimizer-scan:script-test', () => {
 
   test('ordinary script tag test', () => {
     scriptRE.lastIndex = 0
-    const [, tag, , content] = scriptRE.exec(
-      `<script  >var test = null</script>`
-    )
+    const [, tag, content] = scriptRE.exec(`<script  >var test = null</script>`)
     expect(tag).toEqual('<script  >')
     expect(content).toEqual('var test = null')
 
     scriptRE.lastIndex = 0
-    const [, tag1, , content1] = scriptRE.exec(
-      `<script>var test = null</script>`
-    )
+    const [, tag1, content1] = scriptRE.exec(`<script>var test = null</script>`)
     expect(tag1).toEqual('<script>')
     expect(content1).toEqual('var test = null')
   })

packages/vite/src/node/optimizer/scan.ts

@@ -127,7 +127,7 @@ function globEntries(pattern: string | string[], config: ResolvedConfig) {
 
 const scriptModuleRE =
   /(<script\b[^>]*type\s*=\s*(?:"module"|'module')[^>]*>)(.*?)<\/script>/gims
-export const scriptRE = /(<script\b(\s[^>]*>|>))(.*?)<\/script>/gims
+export const scriptRE = /(<script\b(?:\s[^>]*>|>))(.*?)<\/script>/gims
 export const commentRE = /<!--(.|[\r\n])*?-->/
 const srcRE = /\bsrc\s*=\s*(?:"([^"]+)"|'([^']+)'|([^\s'">]+))/im
 const langRE = /\blang\s*=\s*(?:"([^"]+)"|'([^']+)'|([^\s'">]+))/im
@@ -200,8 +200,7 @@ function esbuildScanPlugin(
           let loader: Loader = 'js'
           let match
           while ((match = regex.exec(raw))) {
-            const [, openTag, htmlContent, scriptContent] = match
-            const content = isHtml ? htmlContent : scriptContent
+            const [, openTag, content] = match
             const srcMatch = openTag.match(srcRE)
             const langMatch = openTag.match(langRE)
             const lang =