src: add intl and icu configs to process.binding('config')

PR-URL: https://github.com/nodejs/node/pull/6266
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

src/node_config.cc

@@ -1,4 +1,5 @@
 #include "node.h"
+#include "node_i18n.h"
 #include "env.h"
 #include "env-inl.h"
 #include "util.h"
@@ -28,7 +29,18 @@ using v8::ReadOnly;
 void InitConfig(Local<Object> target,
                 Local<Value> unused,
                 Local<Context> context) {
-  // Environment* env = Environment::GetCurrent(context);
+  Environment* env = Environment::GetCurrent(context);
+
+#ifdef NODE_HAVE_I18N_SUPPORT
+  READONLY_BOOLEAN_PROPERTY("hasIntl");
+
+#ifdef NODE_HAVE_SMALL_ICU
+  READONLY_BOOLEAN_PROPERTY("hasSmallICU");
+#endif  // NODE_HAVE_SMALL_ICU
+
+  if (flag_icu_data_dir)
+    READONLY_BOOLEAN_PROPERTY("usingICUDataDir");
+#endif  // NODE_HAVE_I18N_SUPPORT
 }
 
 }  // namespace node

src/node_i18n.cc

@@ -42,10 +42,14 @@ extern "C" const char U_DATA_API SMALL_ICUDATA_ENTRY_POINT[];
 #endif
 
 namespace node {
+
+bool flag_icu_data_dir = false;
+
 namespace i18n {
 
 bool InitializeICUDirectory(const char* icu_data_path) {
   if (icu_data_path != nullptr) {
+    flag_icu_data_dir = true;
     u_setDataDirectory(icu_data_path);
     return true;  // no error
   } else {

src/node_i18n.h

@@ -6,6 +6,9 @@
 #if defined(NODE_HAVE_I18N_SUPPORT)
 
 namespace node {
+
+extern bool flag_icu_data_dir;
+
 namespace i18n {
 
 bool InitializeICUDirectory(const char* icu_data_path);