ashen-earth/components/ScriptLoader/transformers/javascript.ts

import type { PostResourceTransformer } from '../types'

import path from 'path'
import { promises as fs } from 'fs'

const transformer : PostResourceTransformer = {
  extension: "js",
  transform: async (value) => {
    const scriptPath = path.join(process.cwd(), 'scripts', value)
    const scriptContents = await fs.readFile(scriptPath)
    const scriptFileName = path.basename(value)
    const scriptDest = path.join(process.cwd(), '.next/static/scripts', value)
    const destDir = path.dirname(scriptDest)
    await fs.mkdir(destDir, { recursive: true })
    await fs.writeFile(scriptDest, scriptContents)

    return {
      type: 'script',
      name: scriptFileName,
      path: path.join('/_next/static/scripts', value)
    }
  }
}

export default transformer