Add utils; is_hosted() needs to be inspected

Author: schloerke

shiny/bookmark/_utils.py

@@ -0,0 +1,21 @@
+import os
+from typing import Any
+
+import orjson
+
+
+def is_hosted() -> bool:
+    # Can't look at SHINY_PORT, as we already set it in shiny/_main.py's `run_app()`
+
+    # TODO: Support shinyapps.io or use `SHINY_PORT` how R-shiny did
+
+    # Instead, looking for the presence of the environment variable that Connect sets
+    # (*_Connect) or Shiny Server sets (SHINY_APP)
+    for env_var in ("POSIT_CONNECT", "RSTUDIO_CONNECT", "SHINY_APP"):
+        if env_var in os.environ:
+            return True
+    return False
+
+
+def to_json(x: Any) -> dict[str, Any]:
+    return orjson.loads(orjson.dumps(x))