chore: tweaks

Author: ulivz

lib/prepare.js

@@ -342,12 +342,12 @@ async function genRoutesFile ({ siteData: { pages }, sourceDir, pageFiles }) {
     component: ThemeNotFound
   }`
 
-  const injectRootMixin = await fs.readFile(path.resolve(__dirname, 'code/injectRootMixins.js'), 'utf-8')
+  const injectRootMixins = await fs.readFile(path.resolve(__dirname, 'code/injectRootMixins.js'), 'utf-8')
 
   return (
     `import ThemeLayout from '@themeLayout'\n` +
     `import ThemeNotFound from '@themeNotFound'\n\n` +
-    `${injectRootMixin}\n` +
+    `${injectRootMixins}\n` +
     `injectRootMixins(ThemeLayout)\n` +
     `injectRootMixins(ThemeNotFound)\n\n` +
     `export const routes = [${pages.map(genRoute).join(',')}${notFoundRoute}\n]`