Allow TS extensions (#7)

Typescript file scanning added (same as JS, just different extension), minor fixes.

Author: jpspf

src/MessageExtractor.php

@@ -24,6 +24,7 @@ class MessageExtractor
 {
     const EXTRACTORS = [
         'js' => JsCode::class,
+        'ts' => JsCode::class,
         'vue' => VueJs::class,
         'php' => PhpCode::class,
     ];

src/MessageStorage.php

@@ -334,7 +334,7 @@ private function isJsFile(string $filename): bool
     {
         $extension = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
 
-        return in_array($extension, ['vue', 'js'], true);
+        return in_array($extension, ['vue', 'js', 'ts'], true);
     }
 
     /**

tests/TestCases/JsMessageTest.php

@@ -40,6 +40,7 @@ public function testExtract()
         $translationsByDomain = $this->scanner->extract([
             new ScanItem($this->getDummyFile('js/dummy.js')), // 1 JS message
             new ScanItem($this->getDummyFile('js/dummy.vue')), // 2 JS messages
+            new ScanItem($this->getDummyFile('js/dummy-ts.ts')),
             new ScanItem($this->getDummyFile('dummy-file.php')), // PHP messages, should be ignored
         ]);
 
@@ -55,9 +56,10 @@ public function testExtract()
 
         $translations = $this->storage->getEnabledTranslatedJs('en_US', 'domain');
 
-        self::assertCount(3, $translations, '3 translations extracted');
-        self::assertNotFalse($translations->find('ctx', 'JS 1'), 'Translation found');
-        self::assertNotFalse($translations->find('', 'JS 2'), 'Translation found');
-        self::assertNotFalse($translations->find('', 'JS 3'), 'Translation found');
+        self::assertCount(4, $translations, 'The number of translations extracted does not match');
+        self::assertNotFalse($translations->find('ctx', 'JS 1'), 'Translation not found');
+        self::assertNotFalse($translations->find('', 'JS 2'), 'Translation not found');
+        self::assertNotFalse($translations->find('', 'JS 3'), 'Translation not found');
+        self::assertNotFalse($translations->find('', 'JS TS'), 'Translation not found');
     }
 }

tests/assets/dummy-directory/js/dummy-ts.ts

@@ -0,0 +1,4 @@
+(function () {
+    'use strict';
+    alert(gettext('JS TS'));
+})();