From ab240d49833b4e6e594667c1abe5b0caa8a9cf70 Mon Sep 17 00:00:00 2001
From: Milos Djermanovic <milos.djermanovic@gmail.com>
Date: Fri, 18 Dec 2020 01:25:36 +0100
Subject: [PATCH] Fix: prefer-exponentiation-operator invalid autofix with
 await (#13924)

---
 lib/rules/prefer-exponentiation-operator.js       | 1 +
 tests/lib/rules/prefer-exponentiation-operator.js | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/lib/rules/prefer-exponentiation-operator.js b/lib/rules/prefer-exponentiation-operator.js
index d1a00d6209e..6121af88971 100644
--- a/lib/rules/prefer-exponentiation-operator.js
+++ b/lib/rules/prefer-exponentiation-operator.js
@@ -30,6 +30,7 @@ function doesBaseNeedParens(base) {
         astUtils.getPrecedence(base) <= PRECEDENCE_OF_EXPONENTIATION_EXPR ||
 
         // An unary operator cannot be used immediately before an exponentiation expression
+        base.type === "AwaitExpression" ||
         base.type === "UnaryExpression"
     );
 }
diff --git a/tests/lib/rules/prefer-exponentiation-operator.js b/tests/lib/rules/prefer-exponentiation-operator.js
index da147b021fd..7bccdd64b43 100644
--- a/tests/lib/rules/prefer-exponentiation-operator.js
+++ b/tests/lib/rules/prefer-exponentiation-operator.js
@@ -218,6 +218,8 @@ ruleTester.run("prefer-exponentiation-operator", rule, {
         invalid("Math.pow(a, -b)", "a**-b"),
         invalid("Math.pow(-2, 3)", "(-2)**3"),
         invalid("Math.pow(2, -3)", "2**-3"),
+        invalid("async () => Math.pow(await a, b)", "async () => (await a)**b"),
+        invalid("async () => Math.pow(a, await b)", "async () => a**await b"),
 
         // base and exponent with a lower precedence
         invalid("Math.pow(a * b, c)", "(a * b)**c"),