Fixed https://github.com/javascript-obfuscator/javascript-obfuscator/issues/745

src/node/NodeGuards.ts

@@ -1,7 +1,7 @@
 import * as ESTree from 'estree';
 
 import { TNodeWithLexicalScope } from '../types/node/TNodeWithLexicalScope';
-import { TNodeWithLexicalScopeAndStatements } from '../types/node/TNodeWithLexicalScopeAndStatements';
+import { TNodeWithLexicalScopeStatements } from '../types/node/TNodeWithLexicalScopeStatements';
 import { TNodeWithStatements } from '../types/node/TNodeWithStatements';
 
 import { NodeType } from '../enums/node/NodeType';
@@ -271,31 +271,6 @@ export class NodeGuards {
         return NodeGuards.isNodeWithLexicalScope(node) || NodeGuards.isBlockStatementNode(node);
     }
 
-    /**
-     * @param {Node} node
-     * @returns {node is TNodeWithLexicalScopeAndStatements}
-     */
-    public static isNodeWithLexicalScopeAndStatements (node: ESTree.Node): node is TNodeWithLexicalScopeAndStatements {
-        if (!NodeGuards.isNodeWithLexicalScope(node)) {
-            return false;
-        }
-
-        const lexicalScopeBodyNode: ESTree.Program | ESTree.BlockStatement | ESTree.Expression =
-            NodeGuards.isProgramNode(node)
-                ? node
-                : node.body;
-
-        // invalid lexical scope node
-        if (
-            !lexicalScopeBodyNode.parentNode
-            || !NodeGuards.isNodeWithLexicalScopeStatements(lexicalScopeBodyNode, lexicalScopeBodyNode.parentNode)
-        ) {
-            return false;
-        }
-
-        return true;
-    }
-
     /**
      * @param {Node} node
      * @param {Node} parentNode
@@ -304,7 +279,7 @@ export class NodeGuards {
     public static isNodeWithLexicalScopeStatements (
         node: ESTree.Node,
         parentNode: ESTree.Node
-    ): node is TNodeWithStatements {
+    ): node is TNodeWithLexicalScopeStatements {
         return NodeGuards.isProgramNode(node)
             || (NodeGuards.isBlockStatementNode(node) && NodeGuards.nodesWithLexicalStatements.includes(parentNode.type));
     }