fix: avoid infinite loop when inlining

j4k0xb · Feb 16, 2024 · 5dab01a · 5dab01a
1 parent a75c5bb
commit 5dab01a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/packages/webcrack/src/ast-utils/inline.ts b/packages/webcrack/src/ast-utils/inline.ts
@@ -246,6 +246,8 @@ export function inlineVariableAliases(
       const varScope = ref.scope;
       const varBinding = varScope.getBinding(varName.current!);
       if (!varBinding) continue;
+      // Avoid infinite loop from `alias = alias;` (caused by dead code injection?)
+      if (ref.isIdentifier({ name: varBinding.identifier.name })) continue;
 
       // Check all further aliases (`var alias2 = alias;`)
       state.changes += inlineVariableAliases(varBinding, targetName).changes;