update language_classifier branch

Author: missinglink

binding.gyp

@@ -28,7 +28,9 @@
         },
         {
             "target_name": "language_classifier",
-            "sources": [ "src/language_classifier.cc" ],
+            "sources": [
+                "src/language_classifier.cc"
+            ],
             "libraries": [
                 "-lpostal", "-L/usr/local/lib"
             ],

index.js

@@ -1,5 +1,6 @@
 
 module.exports = {
     expand: require('bindings')('expand'),
-    parser: require('bindings')('parser')
+    parser: require('bindings')('parser'),
+    language_classifier: require('bindings')('language_classifier').language_classifier
 }

src/language_classifier.cc

@@ -54,7 +54,12 @@ void init(v8::Local<v8::Object> exports) {
         return;
     }
 
-    v8::Local<v8::Context> context = exports->CreationContext();
+    // Check Node.js version
+    #if NODE_MAJOR_VERSION >= 16
+        v8::Local<v8::Context> context = exports->GetCreationContext().ToLocalChecked();
+    #else
+        v8::Local<v8::Context> context = exports->CreationContext();
+    #endif
 
     exports->Set(
         context, 

test/index.test.js

@@ -56,3 +56,86 @@ describe('parser', function() {
         });
     })
 })
+
+describe('language_classifier', function() {
+    it('should classify phrases', function() {
+        const cases = [
+            {
+                text: 'street',
+                expected: [{ language: 'en', probability: 0.9975550392228959 }]
+            },
+            {
+                text: 'calle',
+                expected: [{ language: 'es', probability: 0.9948278315613933 }]
+            },
+            {
+                text: '200 santa monica pier santa monica coahuila 90401 usa',
+                expected: [{ language: 'es', probability: 0.9889375382113144 }]
+            },
+            {
+                text: '200 santa monica pier santa monica compania 90401 usa',
+                expected: [
+                    { language: 'es', probability: 0.6896583016342134 },
+                    { language: 'it', probability: 0.12355268595569942 },
+                    { language: 'en', probability: 0.09448842175870104 },
+                    { language: 'pt', probability: 0.09152280207660235 }
+                ]
+            },
+            {
+                text: '200 santa monica pier santa monica compania anonima 90401 usa',
+                expected: [
+                    { language: 'en', probability: 0.39249744852100377 },
+                    { language: 'pt', probability: 0.27690798537637573 },
+                    { language: 'es', probability: 0.2631088374468901 },
+                    { language: 'it', probability: 0.06642801798298495 }
+                ]
+            },
+            {
+                text: '200 santa monica pier santa monica calle 90401 usa',
+                expected: [
+                    { language: 'es', probability: 0.9332794851572307 },
+                    { language: 'it', probability: 0.0653229950496308 }
+                ]
+            },
+            {
+                text: '200 santa monica pier santa monica ca 90401 usa',
+                expected: [
+                    { language: 'es', probability: 0.6860753090491215 },
+                    { language: 'it', probability: 0.16420520901155986 },
+                    { language: 'en', probability: 0.08797427320205269 },
+                    { language: 'pt', probability: 0.061694606284459816 }
+                ]
+            },
+            {
+                text: '200 santa monica pier santa monica casa 90401 usa',
+                expected: [
+                    { language: 'it', probability: 0.7099331948983176 },
+                    { language: 'pt', probability: 0.1484441794525817 },
+                    { language: 'en', probability: 0.09171194632862785 }
+                ]
+            },
+            {
+                text: '200 santa monica pier santa monica cagliari 90401 usa',
+                expected: [{ language: 'it', probability: 0.9409304710772296 }]
+            },
+            {
+                text: '200 santa monica pier santa monica california 90401 usa',
+                expected: [
+                    { language: 'en', probability: 0.529208078531959 },
+                    { language: 'pt', probability: 0.26387306487348855 },
+                    { language: 'es', probability: 0.20130465470054235 }
+                ]
+            },
+            {
+                text: '200 santa monica pier santa monica companhia anonima 90401 usa',
+                expected: [
+                    { language: 'pt', probability: 0.8631314862441015 },
+                    { language: 'en', probability: 0.1090210811124842 }
+                ]
+            }
+        ];
+        for (const c of cases) {
+            assert.deepEqual(postal.language_classifier(c.text), c.expected, c.text);
+        }
+    });
+})