Added some extra brackets for safety

Perryvw · Perryvw · commit a4bb7f51ba67 · 2018-07-01T10:37:43.000+02:00
diff --git a/src/Transpiler.ts b/src/Transpiler.ts
@@ -824,7 +824,7 @@ export abstract class LuaTranspiler {
             case ts.SyntaxKind.MinusMinusToken:
                 return `${operand}=${operand}-1`;
             case ts.SyntaxKind.ExclamationToken:
-                return `not ${operand}`;
+                return `(not ${operand})`;
             case ts.SyntaxKind.MinusToken:
                 return `-${operand}`;
             default:
@@ -1132,7 +1132,7 @@ export abstract class LuaTranspiler {
 
     public transpileTypeOfExpression(node: ts.TypeOfExpression): string {
         const expression = this.transpileExpression(node.expression);
-        return `type(${expression}) == "table" and "object" or type(${expression})`;
+        return `(type(${expression}) == "table" and "object" or type(${expression}))`;
     }
 
     // Transpile a variable statement
diff --git a/test/unit/expressions.spec.ts b/test/unit/expressions.spec.ts
@@ -10,7 +10,7 @@ export class ExpressionTests {
     @TestCase("++i", "i=i+1")
     @TestCase("i--", "i=i-1")
     @TestCase("--i", "i=i-1")
-    @TestCase("!a", "not a")
+    @TestCase("!a", "(not a)")
     @TestCase("-a", "-a")
     @TestCase("delete tbl['test']", "tbl[\"test\"]=nil")
     @TestCase("delete tbl.test", "tbl.test=nil")
