Use vite to replace webpack

build/service_worker_messages.js

@@ -0,0 +1,24 @@
+import { languages, langCodeToJsonName } from '../src/i18n/languages.js'
+import { readFile } from 'node:fs/promises'
+import { dirname, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+export const generateServiceWorkerMessages = async () => {
+  const i18nDir = resolve(
+    dirname(dirname(fileURLToPath(import.meta.url))),
+    'src/i18n'
+  )
+  const msgArray = await Promise.all(languages.map(async lang => {
+    const name = langCodeToJsonName(lang)
+    const file = resolve(i18nDir, name + '.json')
+    const fileContent = await readFile(file, 'utf-8')
+    const msg = {
+      notifications: JSON.parse(fileContent).notifications || {}
+    }
+    return [lang, msg]
+  }))
+  return msgArray.reduce((acc, [lang, msg]) => {
+    acc[lang] = msg
+    return acc
+  }, {})
+}