module.exports = (api) => { const isWeb = api.caller((caller) => caller && caller.target === "isWeb") return { presets: [ [ "@babel/env", { useBuiltIns: isWeb ? "usage" : undefined, corejs: isWeb ? 3 : false, }, ], "@babel/typescript", [ "@babel/react", { runtime: "automatic", }, ], ], plugins: ["@loadable/babel-plugin", "@babel/plugin-transform-runtime"], env: { development: { plugins: isWeb ? ["react-refresh/babel"] : undefined, }, }, } }