Provide optional-chaining plugin on gatsby
npm install gatsby-optional-chaining
Provide the optional-chaining babel plugin in gatsby, just install and put in gatsby-config.
$ npm i gatsby-optional-chaining
or
$ yarn add gatsby-optional-chaining
Add the plugin to your gatsby-config.js.
``jsgatsby-optional-chaining
module.exports = {
plugins: [
,``
]
}