{ "env": { "test": { "presets": ["@babel/preset-react"], "plugins": ["@babel/plugin-transform-modules-commonjs"] }, "commonjs": { "plugins": [ "babel-plugin-transform-inline-environment-variables", "@babel/plugin-transform-modules-commonjs" ] }, "es": { "plugins": ["babel-plugin-transform-inline-environment-variables"] } }, "plugins": [ "@babel/plugin-transform-flow-strip-types", [ "@babel/plugin-proposal-object-rest-spread", { "useBuiltIns": true } ], ["@babel/plugin-proposal-class-properties", {"loose": true}], "@babel/plugin-proposal-async-generator-functions", "@babel/plugin-transform-block-scoping", "babel-plugin-dev-expression" ]}