{ /* a preset is a set of plugins used to support particular language features. The two presets Babel uses by default: es2015, react */ "presets": [ "@babel/preset-env", //compiling ES2015+ syntax "@babel/preset-react" //for react ], /* Babel's code transformations are enabled by applying plugins (or presets) to your configuration file. */ "plugins": [ "@babel/plugin-transform-runtime" ] }