testnet-onboarding-app/config/jest/babelTransform.js

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const babelJest = require('babel-jest').default;
const hasJsxRuntime = (() => {
if (process.env.DISABLE_NEW_JSX_TRANSFORM === 'true') {
return false;
}
try {
require.resolve('react/jsx-runtime');
return true;
} catch (e) {
return false;
}
})();
module.exports = babelJest.createTransformer({
presets: [
[
require.resolve('babel-preset-react-app'),
{
runtime: hasJsxRuntime ? 'automatic' : 'classic',
},
],
],
babelrc: false,
configFile: false,
});