Add optional chaining and nullish coalescing operators support (#7438)

facebook · Nov 9, 2019 · d12b4b6 · d12b4b6
1 parent 211694a
commit d12b4b6
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Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/packages/babel-preset-react-app/create.js b/packages/babel-preset-react-app/create.js
@@ -196,6 +196,10 @@ module.exports = function(api, opts, env) {
       ],
       // Adds syntax support for import()
       require('@babel/plugin-syntax-dynamic-import').default,
+      // Adds syntax support for optional chaining (.?)
+      require('@babel/plugin-proposal-optional-chaining').default,
+      // Adds syntax support for default value using ?? operator
+      require('@babel/plugin-proposal-nullish-coalescing-operator').default,
       isEnvTest &&
         // Transform dynamic import to require
         require('babel-plugin-dynamic-import-node'),

diff --git a/packages/babel-preset-react-app/package.json b/packages/babel-preset-react-app/package.json
@@ -24,8 +24,10 @@
     "@babel/core": "7.7.2",
     "@babel/plugin-proposal-class-properties": "7.7.0",
     "@babel/plugin-proposal-decorators": "7.7.0",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "7.4.4",
     "@babel/plugin-proposal-numeric-separator": "7.2.0",
     "@babel/plugin-proposal-object-rest-spread": "7.6.2",
+    "@babel/plugin-proposal-optional-chaining": "7.6.0",
     "@babel/plugin-syntax-dynamic-import": "7.2.0",
     "@babel/plugin-transform-destructuring": "7.6.0",
     "@babel/plugin-transform-flow-strip-types": "7.6.3",