move escape regexp to shared

src/client/theme-default/components/VPLocalSearchBox.vue

@@ -28,6 +28,7 @@ import {
 } from 'vue'
 import type { ModalTranslations } from '../../../../types/local-search'
 import { pathToFile } from '../../app/utils'
+import { escapeRegExp } from '../../shared'
 import { useData } from '../composables/data'
 import { LRUCache } from '../support/lru'
 import { createSearchTranslate } from '../support/translation'
@@ -146,8 +147,8 @@ const cache = new LRUCache<string, Map<string, string>>(16) // 16 files
 debouncedWatch(
   () => [searchIndex.value, filterText.value, showDetailedList.value] as const,
   async ([index, filterTextValue, showDetailedListValue], old, onCleanup) => {
-
-    if (old?.[0] !== index) { // in case of hmr
+    if (old?.[0] !== index) {
+      // in case of hmr
       cache.clear()
     }
 
@@ -396,11 +397,7 @@ function formMarkRegex(terms: Set<string>) {
   return new RegExp(
     [...terms]
       .sort((a, b) => b.length - a.length)
-      .map((term) => {
-        return `(${term
-          .replace(/[|\\{}()[\]^$+*?.]/g, '\\$&')
-          .replace(/-/g, '\\x2d')})`
-      })
+      .map((term) => `(${escapeRegExp(term)})`)
       .join('|'),
     'gi'
   )

src/node/build/bundle.ts

@@ -11,7 +11,7 @@ import {
 import { APP_PATH } from '../alias'
 import type { SiteConfig } from '../config'
 import { createVitePressPlugin } from '../plugin'
-import { sanitizeFileName, slash } from '../shared'
+import { escapeRegExp, sanitizeFileName, slash } from '../shared'
 import { task } from '../utils/task'
 import { buildMPAClient } from './buildMPAClient'
 
@@ -257,7 +257,3 @@ function staticImportedByEntry(
   cache.set(id, someImporterIs)
   return someImporterIs
 }
-
-function escapeRegExp(str: string) {
-  return str.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&').replace(/-/g, '\\x2d')
-}

src/shared/shared.ts

@@ -195,3 +195,8 @@ export function treatAsHtml(filename: string): boolean {
 
   return ext == null || !KNOWN_EXTENSIONS.has(ext.toLowerCase())
 }
+
+// https://github.com/sindresorhus/escape-string-regexp/blob/ba9a4473850cb367936417e97f1f2191b7cc67dd/index.js
+export function escapeRegExp(str: string) {
+  return str.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&').replace(/-/g, '\\x2d')
+}