Export Version from JS Module (#963)

* Export PyScript version from js module

* Add docs and test

pyscriptjs/src/main.ts

@@ -3,6 +3,7 @@ import './styles/pyscript_base.css';
 import { loadConfigFromElement } from './pyconfig';
 import type { AppConfig } from './pyconfig';
 import type { Runtime } from './runtime';
+import { version } from './runtime';
 import { PluginManager } from './plugin';
 import { make_PyScript, initHandlers, mountElements } from './components/pyscript';
 import { PyodideRuntime } from './pyodide';
@@ -261,4 +262,5 @@ globalExport('pyscript_get_config', pyscript_get_config);
 const globalApp = new PyScriptApp();
 globalApp.main();
 
+export { version }
 export const runtime = globalApp.runtime;

pyscriptjs/tests/integration/test_01_basic.py

@@ -150,6 +150,20 @@ class TestBasic(PyScriptTest):
         pyscript_tag = self.page.locator("py-script")
         assert pyscript_tag.inner_html() == ""
 
+    def test_js_version(self):
+        self.pyscript_run(
+            """
+            <py-script>
+            </py-script>
+            """
+        )
+        self.page.add_script_tag(content="console.log(pyscript.version)")
+
+        assert (
+            re.match(r"\d{4}\.\d{2}\.\d+(\.[a-zA-Z0-9]+)?", self.console.log.lines[-1])
+            is not None
+        )
+
     def test_python_version(self):
         self.pyscript_run(
             """