update jsoo for testing (2)

compiler/dune

@@ -11,4 +11,6 @@
 (env
   (_
     (js_of_ocaml
-       (flags :standard --no-sourcemap --no-extern-fs --disable use-js-string))))
+     (flags (:standard) --no-sourcemap --no-extern-fs --disable use-js-string)
+     (link_flags (:standard) --no-sourcemap --disable use-js-string)
+     (build_runtime_flags (:standard) --no-sourcemap --no-extern-fs --disable use-js-string))))

compiler/src/utils/hacks.js

@@ -1,8 +1,3 @@
-//Provides: os_type
-var os_type = (globalThis.process &&
-    globalThis.process.platform &&
-    globalThis.process.platform == "win32") ? "Win32" : "Unix";
-
 //Provides: unix_opendir
 //Requires: caml_jsstring_of_string
 //Requires: make_unix_err_args, caml_raise_with_args, caml_named_value

compiler/test/TestFramework.re

@@ -54,7 +54,11 @@ let clean_output = output =>
 
 let () = {
   /*** Override default stdlib location to use development version of stdlib */
-  let stdlib_dir = Unix.getenv("GRAIN_STDLIB");
+  let stdlib_dir =
+    try(Unix.getenv("GRAIN_STDLIB")) {
+    | Not_found =>
+      failwith("GRAIN_STDLIB env variable need to be set in order to run tests")
+    };
   let stdlib_dir = Filepath.String.derelativize(stdlib_dir);
   Config.stdlib_dir := Some(Filepath.to_string(stdlib_dir));
   clean_grain_output(test_input_dir);

compiler/test/dune

@@ -12,6 +12,9 @@
  (public_name test)
  (package grain-tests)
  (modes exe js)
+ (js_of_ocaml
+   (link_flags (:standard --linkall))
+ )
  (flags
   (:standard
    -linkall