0.3 增加登录模块

wolai-frontend/convex/users.ts

@@ -0,0 +1,17 @@
+import { query } from "./_generated/server";
+import { getAuthUserId } from "@convex-dev/auth/server";
+
+/**
+ * 获取当前登录用户
+ */
+export const currentUser = query({
+  args: {},
+  handler: async (ctx) => {
+    const userId = await getAuthUserId(ctx);
+    if (userId === null) {
+      return null;
+    }
+
+    return await ctx.db.get(userId);
+  },
+});