feat: post 폴더 추가(cs)

apps/cs/src/shared/lib/index.ts

@@ -1,3 +1,5 @@
 export { getCookie, setCookie, removeCookie } from "./cookie";
+export { useAlertStore } from "./use-alert-store";
 export { useMenuStore } from "./use-menu-store";
 export { useUserStore } from "./use-user-store";
+export { usePrompt } from "./use-prompt";

apps/cs/src/shared/lib/use-prompt.tsx

@@ -0,0 +1,26 @@
+import { useContext } from "react";
+import { PromptContext } from "../providers/prompt-provider";
+
+export const usePrompt = () => {
+  const { message, resolve, setMessage, setResolve } =
+    useContext(PromptContext);
+
+  const prompt = (message: string) => {
+    setMessage(message);
+    return new Promise<string>((resolve) => {
+      setResolve(() => resolve);
+    });
+  };
+
+  const onSubmit = (value: string) => {
+    resolve?.(value);
+    setMessage("");
+  };
+
+  const onCancel = () => {
+    resolve?.("");
+    setMessage("");
+  };
+
+  return { message, isOpen: !!message, prompt, onSubmit, onCancel };
+};