From a1b56f14dd78c68c4cfc4e2470ba4d6a47adc670 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20K=C3=A4llberg?= <anka.213@gmail.com>
Date: Mon, 29 Apr 2024 04:54:21 +0200
Subject: [PATCH] fix: make isIIFE match what it claims to match

More specifically
  !function(){...}()
wasn't matched, only
  !function(){...}
which isn't an IIFE
---
 packages/ast-utils/src/matchers/isIIFE.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/ast-utils/src/matchers/isIIFE.ts b/packages/ast-utils/src/matchers/isIIFE.ts
index 48fbe631..940e3224 100644
--- a/packages/ast-utils/src/matchers/isIIFE.ts
+++ b/packages/ast-utils/src/matchers/isIIFE.ts
@@ -33,15 +33,15 @@ export function isStatementIIFE(j: JSCodeshift, node: Statement): node is Expres
  * ```
  */
 export function isIIFE(j: JSCodeshift, node: ASTNode): node is ExpressionStatement {
+    if (j.UnaryExpression.check(node) && node.operator === '!') {
+        node = node.argument
+    }
+
     if (j.CallExpression.check(node)) {
         return j.FunctionExpression.check(node.callee)
             || j.ArrowFunctionExpression.check(node.callee)
     }
 
-    if (j.UnaryExpression.check(node) && node.operator === '!') {
-        return j.FunctionExpression.check(node.argument)
-    }
-
     return false
 }