import transformReactJSX from "babel-plugin-transform-react-jsx"; import transformSyntaxJSX from "babel-plugin-syntax-jsx"; import transformReactDisplayName from "babel-plugin-transform-react-display-name"; import transformReactJSXSource from "babel-plugin-transform-react-jsx-source"; import transformReactJSXSelf from "babel-plugin-transform-react-jsx-self"; export default function(context, opts = {}) { const development = opts.development || false; if (typeof development !== "boolean") { throw new Error("Preset react 'development' option must be a boolean."); } return { plugins: [ transformReactJSX, transformSyntaxJSX, transformReactDisplayName, development && transformReactJSXSource, development && transformReactJSXSelf, ].filter(Boolean), }; }