46 lines
1.0 KiB
TypeScript
46 lines
1.0 KiB
TypeScript
/*
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* Babel preset to provide React support for Nx.
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*/
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interface ReactBabelOptions {
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runtime?: string;
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importSource?: string;
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}
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module.exports = function (api: any, options: ReactBabelOptions) {
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api.assertVersion(7);
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const env = api.env();
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return {
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presets: [
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'@nrwl/web/babel',
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[
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require.resolve('@babel/preset-react'),
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getReactPresetOptions({
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presetOptions: options,
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env,
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}),
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],
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],
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};
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};
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function getReactPresetOptions({ presetOptions, env }) {
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const reactPresetOptions: Record<string, string | boolean> = {
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runtime: presetOptions.runtime ?? 'automatic',
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development: env !== 'production',
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};
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// JSX spread is transformed into object spread in `@babel/plugin-transform-react-jsx`
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// `useBuiltIns` will be removed in Babel 8.
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if (reactPresetOptions.runtime === 'automatic') {
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reactPresetOptions.useBuiltIns = true;
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}
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if (presetOptions.importSource) {
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reactPresetOptions.importSource = presetOptions.importSource;
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}
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return reactPresetOptions;
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}
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