@mhy/config/jest/preprocess.js

> This documentation is not complete. It's in progress and it's a BETA version. Use the tool at your own risk.

const path = require('path')
const fs = require('fs')

const babelrc = JSON.parse(
    fs.readFileSync(path.resolve(__dirname, '.babelrc'), 'utf8')
)
babelrc.presets.find(([name]) => name.includes('preset-env'))[1].modules =
    'commonjs'
babelrc.plugins.push(require.resolve('babel-plugin-dynamic-import-node'))
const transformer = require('babel-jest').createTransformer(babelrc)
const proc = transformer.process.bind(transformer)
transformer.process = function(...args) {
    const [code, path] = args
    if (!path.includes('node_modules') || code.includes('import')) {
        return proc(...args)
    }
    return code
}
module.exports = transformer