embind.patch

diff --git a/src/nnet_language_identifier.cc b/src/nnet_language_identifier.cc
index abc3950..a3ef6b9 100644
--- a/src/nnet_language_identifier.cc
+++ b/src/nnet_language_identifier.cc
@@ -33,6 +33,45 @@ limitations under the License.
 #include "task_context.h"
 #include "workspace.h"
 
+#ifdef __EMSCRIPTEN__
+  #include <emscripten/bind.h>
+  using namespace emscripten;
+
+  // not sure why but llvm link strips and 'optimize' embind, does not export
+  // binding correctly. This function is dummy to ensure class is considered as in use,
+  // prevent strip out.
+  void dummy() {
+    chrome_lang_id::NNetLanguageIdentifier* dummy;
+    throw "should not be called";
+  }
+
+  // expose NNetLanguageIdentifier via embind
+  EMSCRIPTEN_BINDINGS(cld3) {
+    //bind NNetLanguageIdentifier::Result struct
+    value_object<chrome_lang_id::NNetLanguageIdentifier::Result>("Result")
+      .field("language", &chrome_lang_id::NNetLanguageIdentifier::Result::language)
+      .field("probability", &chrome_lang_id::NNetLanguageIdentifier::Result::probability)
+      .field("is_reliable", &chrome_lang_id::NNetLanguageIdentifier::Result::is_reliable)
+      .field("proportion", &chrome_lang_id::NNetLanguageIdentifier::Result::proportion)
+      ;
+
+    //regisver std::vector<Result>
+    register_vector<chrome_lang_id::NNetLanguageIdentifier::Result>("ResultVector");
+
+    //bind NNetLanguageIdentifier class
+    class_<chrome_lang_id::NNetLanguageIdentifier>("NNetLanguageIdentifier")
+      .constructor<int, int>()
+      .class_property("kMinNumBytesToConsider", &chrome_lang_id::NNetLanguageIdentifier::kMinNumBytesToConsider)
+      .class_property("kMaxNumBytesToConsider", &chrome_lang_id::NNetLanguageIdentifier::kMaxNumBytesToConsider)
+      .class_property("kMaxNumInputBytesToConsider", &chrome_lang_id::NNetLanguageIdentifier::kMaxNumInputBytesToConsider)
+      .class_property("kReliabilityThreshold", &chrome_lang_id::NNetLanguageIdentifier::kReliabilityThreshold)
+      .class_property("kReliabilityHrBsThreshold", &chrome_lang_id::NNetLanguageIdentifier::kReliabilityHrBsThreshold)
+      .function("FindLanguage", &chrome_lang_id::NNetLanguageIdentifier::FindLanguage)
+      .function("FindTopNMostFreqLangs", &chrome_lang_id::NNetLanguageIdentifier::FindTopNMostFreqLangs)
+      ;
+  }
+#endif
+
 namespace chrome_lang_id {
 namespace {
 
@@ -377,4 +416,4 @@ string NNetLanguageIdentifier::SelectTextGivenBeginAndSize(
   return output_text;
 }
 
-}  // namespace chrome_lang_id
+}  // namespace chrome_lang_id
\ No newline at end of file
diff --git a/src/nnet_language_identifier.h b/src/nnet_language_identifier.h
index 820aba6..54b4090 100644
--- a/src/nnet_language_identifier.h
+++ b/src/nnet_language_identifier.h
@@ -173,3 +173,15 @@ class NNetLanguageIdentifier {
 }  // namespace chrome_lang_id
 
 #endif  // NNET_LANGUAGE_IDENTIFIER_H_
+
+#ifdef __EMSCRIPTEN__
+  #ifdef __cplusplus
+  extern "C" {
+  #endif
+
+    void dummy();
+
+  #ifdef __cplusplus
+  }
+  #endif
+#endif
\ No newline at end of file