babel.config.mjs

import path from 'path'
import { fileURLToPath } from 'url'
import { resolvePathsUsingDecorators, litDecoratorsBabelOptions } from './config/babel.mjs'

const projectRoot = path.dirname(fileURLToPath(import.meta.url))
const pathsUsingDecorators = resolvePathsUsingDecorators(projectRoot)
const isCommonJsBuild = process.env.BABEL_ENV === 'cjs' || process.env.NODE_ENV === 'test'

export default {
  presets: [
    '@babel/preset-typescript',
    [
      '@babel/preset-env',
      {
        modules: isCommonJsBuild ? 'commonjs' : false,
        targets: {
          browsers: ['> 1%', 'last 3 versions', 'not dead']
        },
      },
    ],
  ],
  plugins: [
    [
      'babel-plugin-inline-import', {
        extensions: [
          '.ttl'
        ]
      }
    ]
  ],
  overrides: [
    {
      include: pathsUsingDecorators,
      ...litDecoratorsBabelOptions,
    }
  ]
}