lib: unflag experimental Temporal

Author: jasnell

doc/api/globals.md

@@ -1075,6 +1075,17 @@ added: v17.0.0
 
 The WHATWG `DOMException` class. See [`DOMException`][] for more details.
 
+## `Temporal`
+
+<!-- YAML
+added: REPLACEME
+-->
+
+> Stability: 1 - Experimental.
+
+The `Temporal` global is a new language level API for working with dates and
+times.
+
 ## `TextDecoder`
 
 <!-- YAML

src/node.cc

@@ -758,6 +758,13 @@ static ExitCode ProcessGlobalArgsInternal(std::vector<std::string>* args,
     v8_args.emplace_back("--harmony-import-attributes");
   }
 
+  // TODO(jasnell): remove this when the harmony-temporal flag
+  // is removed in V8.
+  if (std::find(v8_args.begin(), v8_args.end(), "--no-harmony-temporal") ==
+      v8_args.end()) {
+    v8_args.emplace_back("--harmony-temporal");
+  }
+
   auto env_opts = per_process::cli_options->per_isolate->per_env;
   if (std::find(v8_args.begin(), v8_args.end(),
                 "--abort-on-uncaught-exception") != v8_args.end() ||

test/parallel/test-temporal-present.js

@@ -0,0 +1,9 @@
+'use strict';
+
+require('../common');
+
+const { ok } = require('assert');
+
+// Test verifying that Temporal is present in the global scope
+
+ok(globalThis.Temporal);