{ "ignore": ["node_modules/**"], "presets": [ "react", "flow", [ "latest", { "es2015": { "modules": false } } ] ], "plugins": [ "transform-class-properties", ["styled-jsx/babel", { "optimizeForSpeed": true }] ], "env": { "development": { "presets": ["flow", ["es2015", { "modules": false }], "stage-2", "react"] }, "test": { "presets": ["flow", "es2015", "stage-0", "react"] }, "production": { "presets": ["flow", "stage-0", "react"] } } }