Babel plugin for debugging

babel.config.js

const template = require('@babel/template').default

module.exports = {
  plugins: [
    [
      function debugPlugin({ types }) {
        return {
          name: 'debug-plugin',
          visitor: {
            Program(p, options) {
              const buildLogger = template(`
               console.log('Dannys babel plugin says hello', FILE_NAME)
              `)

              const ast = buildLogger({
                FILE_NAME: types.stringLiteral(options.filename),
              })

              console.log('Transforming:', options.filename)
              console.log('-'.repeat(20))

              p.node.body.unshift(ast)
            },
          },
        }
      },
      undefined,
      'debug-plugin-danny-logger',
    ],
  ],
}