{ "plugins": [ "babel-plugin-include", "babel-plugin-loop-optimizer", "babel-plugin-wildcard", "babel-plugin-add-module-exports", ["babel-plugin-transform-runtime", { "polyfill": false }], "babel-plugin-transform-class-properties", "babel-plugin-transform-do-expressions", "babel-plugin-transform-function-bind", "babel-plugin-transform-export-extensions", "babel-plugin-transform-object-rest-spread" ], "presets": [ "react", "flow", ["env", { "targets": { "node": "4.8" } }] ], "env": { "test": { "plugins": [ "istanbul" ] } } }