[Init] Initial commit - NetMesh terminal manager

domain/sftpStatError.ts

@@ -0,0 +1,30 @@
+const ELECTRON_INVOKE_PREFIX = /^error invoking remote method '[^']+': error:\s*/i;
+
+/** ssh2 / Node / SCP absence kinds. Must not search the whole message: paths are user-controlled. */
+const ABSENCE_KIND = /^(?:enoent|no such file(?: or directory)?|no_such_file|ssh_fx_no_such_file)(?:\b|:|$)/;
+
+const unwrapStatErrorMessage = (message: string): string =>
+  message.replace(ELECTRON_INVOKE_PREFIX, "").trim();
+
+/** True absence only — ENOTSUP / unknown inspection must not map to "no conflict". */
+export const isMissingStatError = (error: unknown): boolean => {
+  const code = (error as { code?: string | number } | null)?.code;
+  if (
+    code === 2
+    || code === "ENOENT"
+    || code === "NO_SUCH_FILE"
+    || code === "SSH_FX_NO_SUCH_FILE"
+  ) {
+    return true;
+  }
+
+  const message = String((error as { message?: string } | null)?.message || "")
+    .trim()
+    .toLowerCase();
+  if (!message) return false;
+
+  // ssh2 StatusCodeError is "No such file". ipcRenderer.invoke strips `code`
+  // and wraps it as:
+  // Error invoking remote method 'netcatty:sftp:lstat': Error: No such file
+  return ABSENCE_KIND.test(unwrapStatErrorMessage(message));
+};