import { readFileSync } from 'node:fs'

import { defineConfig } from 'tsdown'
import type { Rolldown } from 'tsdown'

const packageJSON = JSON.parse(readFileSync(new URL('./package.json', import.meta.url), 'utf8')) as {
  dependencies?: Record<string, string>
}

function rawText(): Rolldown.Plugin {
  return {
    name: 'raw-text',
    load(id) {
      if (id.endsWith('?raw')) {
        const path = id.slice(0, -'?raw'.length)
        return `export default ${JSON.stringify(readFileSync(path, 'utf8'))}`
      }
    },
    transform(code, id) {
      if (id.endsWith('.md')) {
        return { code: `export default ${JSON.stringify(code)}`, map: null }
      }
    }
  }
}

export default defineConfig({
  entry: ['src/**/*.ts', '!src/**/*.d.ts'],
  plugins: [rawText()],
  unbundle: true,
  platform: 'neutral',
  format: ['esm'],
  dts: true,
  sourcemap: true,
  clean: true,
  outDir: './dist',
  deps: {
    neverBundle: [...Object.keys(packageJSON.dependencies ?? {}), /^node:/],
    onlyBundle: false
  }
})