fix: process.env.npm_config_user_agent ?? Unexpected token '?'

P-Mz · web-flow · commit ab9398b22cac · 2022-01-23T11:44:01.000+08:00
diff --git a/index.js b/index.js
@@ -361,7 +361,7 @@ async function init() {
   // Supported package managers: pnpm > yarn > npm
   // Note: until <https://github.com/pnpm/pnpm/issues/3505> is resolved,
   // it is not possible to tell if the command is called by `pnpm init`.
-  const userAgent = process.env.npm_config_user_agent ?? ''
+  const userAgent = process.env.npm_config_user_agent ? process.env.npm_config_user_agent : ''
   const packageManager = /pnpm/.test(userAgent) ? 'pnpm' : /yarn/.test(userAgent) ? 'yarn' : 'npm'
 
   // README generation
