add whitespace surrounding param to regex, add test (#236)

src/Scanner.php

@@ -36,11 +36,13 @@ public function findTranslations()
             '(?<!->)'. // Must not start with ->
             '('.implode('|', $this->translationMethods).')'. // Must start with one of the functions
             "\(". // Match opening parentheses
+            "\s*". // Whitespace before param
             "[\'\"]". // Match " or '
             '('. // Start a new group to match:
             '.+'. // Must start with group
             ')'. // Close group
             "[\'\"]". // Closing quote
+            "\s*". // Whitespace after param
             "[\),]";  // Close parentheses or new parameter
 
         foreach ($this->disk->allFiles($this->scanPaths) as $file) {

tests/ScannerTest.php

@@ -31,7 +31,7 @@ public function it_finds_all_translations()
         $this->scanner = app()->make(Scanner::class);
         $matches = $this->scanner->findTranslations();
 
-        $this->assertEquals($matches, ['single' => ['single' => ['This will go in the JSON array' => '', 'trans' => '']], 'group' => ['lang' => ['first_match' => ''], 'lang_get' => ['first' => '', 'second' => ''], 'trans' => ['first_match' => '', 'third_match' => ''], 'trans_choice' => ['with_params' => '']]]);
+        $this->assertEquals($matches, ['single' => ['single' => ['This will go in the JSON array' => '', 'This will also go in the JSON array' => '', 'trans' => '']], 'group' => ['lang' => ['first_match' => ''], 'lang_get' => ['first' => '', 'second' => ''], 'trans' => ['first_match' => '', 'third_match' => ''], 'trans_choice' => ['with_params' => '']]]);
         $this->assertCount(2, $matches);
     }
 }

tests/fixtures/scan-tests/__.txt

@@ -1,2 +1,6 @@
 
-__('This will go in the JSON array')
+__('This will go in the JSON array')
+
+__(
+    'This will also go in the JSON array'
+)