From f032151cd9c7138fde29d1ca308a714322d751ef Mon Sep 17 00:00:00 2001
From: Rachel Fenichel <fenichel@google.com>
Date: Wed, 10 Aug 2022 16:56:43 -0400
Subject: [PATCH] chore(build)!: compile to ES2015 instead of ES5 (#6335)

---
 scripts/gulpfiles/build_tasks.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/gulpfiles/build_tasks.js b/scripts/gulpfiles/build_tasks.js
index 36899f35a..8cc1e34c2 100644
--- a/scripts/gulpfiles/build_tasks.js
+++ b/scripts/gulpfiles/build_tasks.js
@@ -607,7 +607,7 @@ function compile(options) {
     compilation_level: 'SIMPLE_OPTIMIZATIONS',
     warning_level: argv.verbose ? 'VERBOSE' : 'DEFAULT',
     language_in: 'ECMASCRIPT_2020',
-    language_out: 'ECMASCRIPT5_STRICT',
+    language_out: 'ECMASCRIPT_2015',
     jscomp_off: [...JSCOMP_OFF],
     rewrite_polyfills: true,
     // N.B.: goog.js refers to lots of properties on goog that are not