fix aset js value conversion

Author: kateinoigakukun

ext/js/js-core.c

@@ -164,7 +164,7 @@ static VALUE _rb_js_global_this(VALUE _) {
  *   JS.global[:console][:log]
  */
 static VALUE _rb_js_obj_aref(VALUE obj, VALUE key) {
-  struct jsvalue *p = check_jsvalue(_rb_js_try_convert(rb_mJS, obj));
+  struct jsvalue *p = check_jsvalue(obj);
   rb_js_abi_host_string_t key_abi_str;
   key = rb_obj_as_string(key);
   rstring_to_abi_string(key, &key_abi_str);
@@ -182,7 +182,7 @@ static VALUE _rb_js_obj_aref(VALUE obj, VALUE key) {
  */
 static VALUE _rb_js_obj_aset(VALUE obj, VALUE key, VALUE val) {
   struct jsvalue *p = check_jsvalue(obj);
-  struct jsvalue *v = check_jsvalue(val);
+  struct jsvalue *v = check_jsvalue(_rb_js_try_convert(rb_mJS, val));
   rb_js_abi_host_string_t key_abi_str;
   key = rb_obj_as_string(key);
   rstring_to_abi_string(key, &key_abi_str);

packages/npm-packages/ruby-wasm-wasi/test/js_from_rb.test.ts

@@ -105,6 +105,8 @@ describe("Manipulation of JS from Ruby", () => {
   test.each([
     { key: "foo", rvalue: `JS.eval("return 1")`, rvalue_js: 1 },
     { key: "bar", rvalue: `JS.eval("return {}")`, rvalue_js: {} },
+    { key: "bar", rvalue: `42`, rvalue_js: 42 },
+    { key: "bar", rvalue: `"str"`, rvalue_js: "str" },
   ])(`JS::Object#[]= (%s)`, async (props) => {
     const vm = await initRubyVM();
     const result = vm.eval(`