feat: only auto install caddy when UHRP_AUTO_INSTALL_CADDY is truely

Author: zcf0508

README.md

@@ -7,7 +7,11 @@ A plugin for https reverse proxy, support `vite` and `webpack`.
 ## Install
 
 ```bash
-npm i unplugin-https-reverse-proxy
+# not auto install caddy when postinstall
+npm i unplugin-https-reverse-proxy --save-dev
+
+# auto install
+UHRP_AUTO_INSTALL_CADDY=true npm i unplugin-https-reverse-proxy --save-dev
 ```
 
 ```ts

scripts/postinstall.ts

@@ -1,12 +1,15 @@
 import { existsSync, unlinkSync } from 'node:fs'
+import process from 'node:process'
 import { consola } from '../src/utils'
 import { download } from '../src/caddy'
 import { caddyPath } from '../src/caddy/constants'
 
 async function run() {
   try {
-    existsSync(caddyPath) && unlinkSync(caddyPath)
-    await download()
+    if (process.env.UHRP_AUTO_INSTALL_CADDY) {
+      existsSync(caddyPath) && unlinkSync(caddyPath)
+      await download()
+    }
   }
   catch (e: any) {
     consola.error(e.code)