feat: 写了点后端

server/utils/checkUserData.ts

@@ -0,0 +1,22 @@
+import mkfileIfNotExist from "./mkfileIfNotExist"
+
+let checked = false
+
+/**
+ * 检查并完善userData的目录结构，若不存在密钥则生成随机的密钥
+ * @returns {void}
+ */
+const checkUserData = () => {
+    if (checked) return
+    checked = true
+    // console.log('check userData')
+    const dirList = [
+        './userData/',
+        './userData/db/',
+        './userData/md/',
+    ]
+    dirList.forEach(mkdirIfNotExist)
+    mkfileIfNotExist('./userData/key.txt', new Array(2048).fill(0).map(() => Math.floor(Math.random() * 16).toString(16)).join(''))
+}
+
+export default checkUserData