actual/jest-babel-transformer-esm.js

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2022-04-29 02:44:38 +00:00
const { join, resolve } = require('path');
const { createTransformer } = require('babel-jest');
const packagePath = resolve('./');
const packageGlob = join(packagePath, 'packages/*');
module.exports = createTransformer({
babelrcRoots: packageGlob,
// TODO: This is awful and a mess and we should fix it.
//
// Forcing this on allows certain packages in node_modules to be
// exported as ESM, which jest usually errors on. node_modules are
// usually not transformed, but you can allowlist one in the
// `jest.config.js` for your project like this:
//
// transformIgnorePatterns: [
// '/node_modules/(?!absurd-sql)'
// ],
//
// Without this explicit plugin, even though Jest transforms the
// module it won't recognize ESM
plugins: ['@babel/plugin-transform-modules-commonjs']
});