module.exports = { "presets": ["@babel/preset-typescript", "@babel/preset-env", "@babel/preset-react"], "plugins": [ "babel-plugin-replace-ts-export-assignment", "@babel/plugin-transform-modules-commonjs", "@babel/plugin-proposal-class-properties", "@babel/plugin-proposal-nullish-coalescing-operator", ["@babel/plugin-proposal-private-property-in-object", { "loose": false }], ["@babel/plugin-proposal-private-methods", { "loose": false }]] }