From 5f2cb90bc6ef417e5bfab078bc4eb2dfdecc4226 Mon Sep 17 00:00:00 2001
From: Sam Potts <sam@potts.es>
Date: Wed, 20 Apr 2022 20:12:08 +1000
Subject: [PATCH] fix: add babel plugin to transform optional chaining

---
 package.json   | 1 +
 tasks/build.js | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 18fa2f4e..a9b1e991 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
   "devDependencies": {
     "@babel/core": "^7.17.9",
     "@babel/plugin-proposal-class-properties": "^7.16.7",
+    "@babel/plugin-proposal-optional-chaining": "^7.16.7",
     "@babel/preset-env": "^7.16.11",
     "@sampotts/eslint-config": "1.1.7",
     "autoprefixer": "^10.4.4",
diff --git a/tasks/build.js b/tasks/build.js
index a4fc543a..e7cd8817 100644
--- a/tasks/build.js
+++ b/tasks/build.js
@@ -118,7 +118,7 @@ Object.entries(build.js).forEach(([filename, entry]) => {
                       },
                     ],
                   ],
-                  plugins: ['@babel/plugin-proposal-class-properties'],
+                  plugins: ['@babel/plugin-proposal-class-properties', '@babel/plugin-proposal-optional-chaining'],
                   babelrc: false,
                   exclude: [/\/core-js\//],
                 }),