build: Add @babel/plugin-proposal-optional-chaining as Babel plugin

ICIJ · Aug 24, 2020 · 7746e7f · 7746e7f
1 parent ef65aab
commit 7746e7f
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diff --git a/babel.config.js b/babel.config.js
@@ -1,5 +1,8 @@
 module.exports = {
   presets: [
     '@vue/app'
+  ],
+  plugins: [
+    '@babel/plugin-proposal-optional-chaining'
   ]
 }
diff --git a/package.json b/package.json
@@ -35,6 +35,7 @@
     "vue-i18n": "^8.18.2"
   },
   "devDependencies": {
+    "@babel/plugin-proposal-optional-chaining": "^7.11.0",
     "@kazupon/vue-i18n-loader": "^0.5.0",
     "@testing-library/jest-dom": "^5.11.3",
     "@vue/cli-plugin-babel": "^4.5.4",