Fixed https://github.com/javascript-obfuscator/javascript-obfuscator/issues/569

src/analyzers/scope-analyzer/ScopeAnalyzer.ts

@@ -49,8 +49,8 @@ export class ScopeAnalyzer implements IScopeAnalyzer {
             enter: (node: ESTree.Node): ESTree.Node => {
                 if (!node.range) {
                     node.range = [
-                        ScopeAnalyzer.emptyRangeValue,
-                        ScopeAnalyzer.emptyRangeValue
+                        node.parentNode?.range?.[0] ?? ScopeAnalyzer.emptyRangeValue,
+                        node.parentNode?.range?.[1] ?? ScopeAnalyzer.emptyRangeValue
                     ];
                 }
 

src/node-transformers/converting-transformers/object-expression-extractors/BasePropertiesExtractor.ts

@@ -11,6 +11,7 @@ import { NodeAppender } from '../../../node/NodeAppender';
 import { NodeFactory } from '../../../node/NodeFactory';
 import { NodeGuards } from '../../../node/NodeGuards';
 import { NodeStatementUtils } from '../../../node/NodeStatementUtils';
+import { NodeUtils } from '../../../node/NodeUtils';
 
 @injectable()
 export class BasePropertiesExtractor implements IObjectExpressionExtractor {
@@ -110,6 +111,7 @@ export class BasePropertiesExtractor implements IObjectExpressionExtractor {
 
         this.filterExtractedObjectExpressionProperties(objectExpressionNode, removablePropertyIds);
         NodeAppender.insertAfter(hostNodeWithStatements, expressionStatements, hostStatement);
+        NodeUtils.parentizeAst(hostNodeWithStatements);
 
         return {
             nodeToReplace: objectExpressionNode,

src/node/NodeUtils.ts

@@ -89,10 +89,16 @@ export class NodeUtils {
      * @returns {T}
      */
     public static parentizeAst <T extends ESTree.Node = ESTree.Node> (astTree: T): T {
+        const parentNode: ESTree.Node | null = astTree.parentNode ?? null;
+
         estraverse.replace(astTree, {
             enter: NodeUtils.parentizeNode
         });
 
+        if (parentNode) {
+            astTree.parentNode = parentNode;
+        }
+
         return astTree;
     }