0.12.4 release: fixed https://github.com/javascript-obfuscator/javascript-obfuscator/issues/136

src/enums/node/NodeType.ts

@@ -26,6 +26,7 @@ export enum NodeType {
     Program = 'Program',
     Property = 'Property',
     ReturnStatement = 'ReturnStatement',
+    Super = 'Super',
     SwitchCase = 'SwitchCase',
     SwitchStatement = 'SwitchStatement',
     TemplateLiteral = 'TemplateLiteral',

src/node-transformers/dead-code-injection-transformers/DeadCodeInjectionTransformer.ts

@@ -73,6 +73,17 @@ export class DeadCodeInjectionTransformer extends AbstractNodeTransformer {
         this.transformersRunner = transformersRunner;
     }
 
+    /**
+     * @param {Node} node
+     * @returns {boolean}
+     */
+    private static isValidBlockStatementNode (node: ESTree.Node): boolean {
+        return !NodeGuards.isBreakStatementNode(node) &&
+            !NodeGuards.isContinueStatementNode(node) &&
+            !NodeGuards.isAwaitExpressionNode(node) &&
+            !NodeGuards.isSuperNode(node);
+    }
+
     /**
      * @return {IVisitor}
      */
@@ -173,9 +184,7 @@ export class DeadCodeInjectionTransformer extends AbstractNodeTransformer {
                  */
                 if (
                     nestedBlockStatementsCount > DeadCodeInjectionTransformer.maxNestedBlockStatementsCount ||
-                    NodeGuards.isBreakStatementNode(node) ||
-                    NodeGuards.isContinueStatementNode(node) ||
-                    NodeGuards.isAwaitExpressionNode(node)
+                    !DeadCodeInjectionTransformer.isValidBlockStatementNode(node)
                 ) {
                     isValidBlockStatementNode = false;
 

src/node/NodeGuards.ts

@@ -242,6 +242,14 @@ export class NodeGuards {
         return node.type === NodeType.ReturnStatement;
     }
 
+    /**
+     * @param {Node} node
+     * @returns {boolean}
+     */
+    public static isSuperNode (node: ESTree.Node): node is ESTree.Super {
+        return node.type === NodeType.Super;
+    }
+
     /**
      * @param {Node} node
      * @returns {boolean}