{ "plugins": [ ["@babel/plugin-transform-class-properties", { "loose": true }], ["@babel/plugin-transform-private-methods", { "loose": true }], ["@babel/plugin-transform-private-property-in-object", { "loose": true }] ], "presets": ["@babel/env", ["@babel/react", { "runtime": "automatic" }], "@babel/typescript"], "env": { "development": { "compact": true }, "test": { "compact": true } }}