添加filesystem

packages/filesystem/utils.ts

@@ -0,0 +1,18 @@
+/* eslint-disable import/prefer-default-export */
+
+export function joinPath(...paths: string[]): string {
+  let path = "";
+  paths.forEach((value) => {
+    if (!value) {
+      return;
+    }
+    if (!value.startsWith("/")) {
+      value = `/${value}`;
+    }
+    if (value.endsWith("/")) {
+      value = value.substring(0, value.length - 1);
+    }
+    path += value;
+  });
+  return path;
+}