$ npm run dev
...
Firebase Emulators for the web app are running.
(node:1) ExperimentalWarning: The Fetch API is an experimental feature. This feature could change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
/work/node_modules/firebase-admin/lib/utils/error.js:44
var _this = _super.call(this, errorInfo.message) || this;
^
macOS 12.4 Intel Node.js 18.2 npm 8.9