diff --git a/theme/src/node/prepare/prepareThemeData.ts b/theme/src/node/prepare/prepareThemeData.ts
new file mode 100644
index 00000000..ebe65830
--- /dev/null
+++ b/theme/src/node/prepare/prepareThemeData.ts
@@ -0,0 +1,11 @@
+import type { App } from 'vuepress'
+import { resolveThemeData } from '../config/resolveThemeData.js'
+import { resolveContent, writeTemp } from '../utils/index.js'
+import type { PlumeThemeLocaleOptions } from '../../shared/index.js'
+
+export async function prepareThemeData(app: App, localeOptions: PlumeThemeLocaleOptions): Promise<void> {
+  const resolvedThemeData = resolveThemeData(app, localeOptions)
+
+  const content = resolveContent(app, { name: 'themeData', content: resolvedThemeData })
+  await writeTemp(app, 'internal/themePlumeData.js', content)
+}