增加转格式

lib/convert/config.js

@@ -0,0 +1,35 @@
+import fs from "fs";
+import { getImportExtensions, getExportFormats } from "./converters.js";
+import { sortByUsage } from "../stats.js";
+
+export function listConvertibleFiles() {
+  const cwd = process.cwd();
+  const exts = getImportExtensions();
+  return fs.readdirSync(cwd).filter(file => {
+    const ext = file.slice(file.lastIndexOf(".")).toLowerCase();
+    return exts.includes(ext);
+  });
+}
+
+export function getSteps() {
+  const files = listConvertibleFiles();
+  const formats = sortByUsage("convert_format", getExportFormats());
+
+  return [
+    {
+      name: "源文件",
+      type: "multiselect",
+      message: files.length ? "选择要转换的模型文件" : "当前目录未找到可转换的模型文件",
+      options: files.map(file => ({ value: file, label: file })),
+      default: [],
+      emptyMessage: "请按 Esc 返回并放入模型文件后重试"
+    },
+    {
+      name: "输出格式",
+      type: "select",
+      message: "选择目标格式",
+      options: formats.map(f => ({ value: f, label: f })),
+      default: formats[0]
+    }
+  ];
+}