deps: allow amaro to be externalizable

- allow amaro to be externalized like other builtins
  containing WASM. More context is available in
  https://github.com/nodejs/node/blob/main/doc/contributing/maintaining/maintaining-dependencies.md#supporting-externalizable-dependencies-with-javascript-code

Signed-off-by: Michael Dawson <midawson@redhat.com>
PR-URL: nodejs#54646
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

configure.py

@@ -58,9 +58,11 @@
 icu_versions = json.loads((tools_path / 'icu' / 'icu_versions.json').read_text(encoding='utf-8'))
 maglev_enabled_architectures = ('x64', 'arm', 'arm64')
 
+# builtins may be removed later if they have been disabled by options
 shareable_builtins = {'cjs_module_lexer/lexer': 'deps/cjs-module-lexer/lexer.js',
                      'cjs_module_lexer/dist/lexer': 'deps/cjs-module-lexer/dist/lexer.js',
-                     'undici/undici': 'deps/undici/undici.js'
+                     'undici/undici': 'deps/undici/undici.js',
+                     'amaro/dist/index': 'deps/amaro/dist/index.js'
 }
 
 # create option groups
@@ -2202,6 +2204,10 @@ def make_bin_override():
 configure_inspector(output)
 configure_section_file(output)
 
+# remove builtins that have been disabled
+if options.without_amaro:
+    del shareable_builtins['amaro/dist/index']
+
 # configure shareable builtins
 output['variables']['node_builtin_shareable_builtins'] = []
 for builtin, value in shareable_builtins.items():

node.gni

@@ -20,6 +20,7 @@ declare_args() {
     "deps/cjs-module-lexer/lexer.js",
     "deps/cjs-module-lexer/dist/lexer.js",
     "deps/undici/undici.js",
+    "deps/amaro/dist/index.js",
   ]
 }
 

node.gyp

@@ -466,11 +466,6 @@
       }, {
         'use_openssl_def%': 0,
       }],
-      [ 'node_use_amaro=="true"', {
-          'deps_files': [
-              'deps/amaro/dist/index.js',
-          ]
-      } ]
     ],
   },
 

src/node_builtins.cc

@@ -50,6 +50,13 @@ BuiltinLoader::BuiltinLoader()
   AddExternalizedBuiltin("internal/deps/undici/undici",
                          STRINGIFY(NODE_SHARED_BUILTIN_UNDICI_UNDICI_PATH));
 #endif  // NODE_SHARED_BUILTIN_UNDICI_UNDICI_PATH
+
+#if HAVE_AMARO
+#ifdef NODE_SHARED_BUILTIN_AMARO_DIST_INDEX_PATH
+  AddExternalizedBuiltin("internal/deps/amaro/dist/index",
+                         STRINGIFY(NODE_SHARED_BUILTIN_AMARO_DIST_INDEX_PATH));
+#endif  // NODE_SHARED_BUILTIN_AMARO_DIST_INDEX_PATH
+#endif  // HAVE_AMARO
 }
 
 bool BuiltinLoader::Exists(const char* id) {

src/node_metadata.cc

@@ -127,9 +127,11 @@ Metadata::Versions::Versions() {
   cjs_module_lexer = CJS_MODULE_LEXER_VERSION;
   uvwasi = UVWASI_VERSION_STRING;
 
+#ifndef NODE_SHARED_BUILTIN_AMARO_DIST_INDEX_PATH
 #if HAVE_AMARO
   amaro = AMARO_VERSION;
 #endif
+#endif
 
 #if HAVE_OPENSSL
   openssl = GetOpenSSLVersion();

src/node_metadata.h

@@ -27,7 +27,7 @@ namespace node {
 #define NODE_HAS_RELEASE_URLS
 #endif
 
-#if HAVE_AMARO
+#if HAVE_AMARO && !defined(NODE_SHARED_BUILTIN_AMARO_DIST_INDEX_PATH)
 #define NODE_VERSIONS_KEY_AMARO(V) V(amaro)
 #else
 #define NODE_VERSIONS_KEY_AMARO(V)

test/parallel/test-process-versions.js

@@ -27,9 +27,12 @@ const expected_keys = [
 ];
 
 const hasUndici = process.config.variables.node_builtin_shareable_builtins.includes('deps/undici/undici.js');
+const hasAmaro = process.config.variables.node_builtin_shareable_builtins.includes('deps/amaro/dist/index.js');
 
 if (process.config.variables.node_use_amaro) {
-  expected_keys.push('amaro');
+  if (hasAmaro) {
+    expected_keys.push('amaro');
+  }
 }
 if (hasUndici) {
   expected_keys.push('undici');