{ "presets": [ [ "@babel/preset-env", { "loose": true, "exclude": ["transform-typeof-symbol"], "targets": { "browsers": [">0.5%", "not dead", "not ie <= 11", "not op_mini all"] } } ], "@babel/preset-react", "minify" ], "plugins": [ ["babel-plugin-transform-react-remove-prop-types", { "mode": "wrap" }], ["@babel/plugin-proposal-class-properties", { "loose": true }], ["@babel/plugin-proposal-object-rest-spread", { "useBuiltIns": true }], [ "babel-plugin-module-resolver", { "root": ["./src/"], "alias": { "expo": "./src/expo.web.js" } } ] ] }