Source file ppx_platform_runtime.ml

exception Impossible_in_ssr of string

let fail_impossible_action_in_ssr fn =
  let backtrace = Printexc.get_callstack 8 in
  let raw_callstack = Printexc.raw_backtrace_to_string backtrace in
  let () =
    Printf.printf
      {|'%s' should only run on the client. Make sure you aren't accidentally calling this function in a server-side context.

Here's the raw callstack:

%s
|}
      fn raw_callstack
  in
  raise (Impossible_in_ssr (Printf.sprintf {|'%s' shouldn't run on the server|} fn))