增加转格式

lib/grid.js

@@ -1,6 +1,16 @@
 import color from "picocolors";
 import { initKeypress, onKey } from "./keyboard.js";
 
+function clearScreen() {
+  if (process.stdout.isTTY) {
+    process.stdout.write("\x1b[2J"); // clear screen
+    process.stdout.write("\x1b[3J"); // clear scrollback
+    process.stdout.write("\x1b[H");  // move cursor home
+  } else {
+    console.clear();
+  }
+}
+
 // 计算字符串显示宽度
 function strWidth(str) {
   let width = 0;
@@ -35,7 +45,7 @@ export async function gridSelect(options) {
   const pad = " ".repeat(Math.max(0, Math.floor((termWidth - totalWidth) / 2)));
 
   function render() {
-    console.clear();
+    clearScreen();
     
     if (renderHeader) {
       console.log(renderHeader());
@@ -110,7 +120,7 @@ export async function gridSelect(options) {
         setImmediate(() => resolve(items[current]));
       } else if (key.name === "escape" || (key.ctrl && key.name === "c")) {
         process.stdin.setRawMode(false);
-        console.clear();
+        clearScreen();
         console.log(color.yellow("👋 再见！"));
         process.exit(0);
       }