Fix scanner and keyword (#229)

Close #228

Author: aspeddro

src/scanner.c

@@ -187,8 +187,11 @@ bool tree_sitter_rescript_external_scanner_scan(
       if (lexer->lookahead == 'n') {
         advance(lexer);
         if (lexer->lookahead == 'd') {
-          // Ignore new lines before `and` keyword (recursive definition)
-          in_multiline_statement = true;
+          advance(lexer);
+          if (is_whitespace(lexer->lookahead)) {
+            // Ignore new lines before `and` keyword (recursive definition)
+            in_multiline_statement = true;
+          }
         }
       }
     } else if (lexer->lookahead == 'e') {

test/corpus/expressions.txt

@@ -1608,6 +1608,8 @@ Subscript expressions
 
 myArray[42]
 myObj["foo"]
+andd[0]
+andd[1]
 
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@@ -1620,7 +1622,16 @@ myObj["foo"]
     (subscript_expression
       (value_identifier)
       (string
-        (string_fragment)))))
+        (string_fragment))))
+
+  (expression_statement
+        (subscript_expression
+          (value_identifier)
+          (number)))
+  (expression_statement
+    (subscript_expression
+      (value_identifier)
+      (number))))
 
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