import { PluginBuild } from 'esbuild'
import path from 'path'
import ts from 'typescript'
import fs from 'fs'

interface PluginOptions {
  paths?: ts.CompilerOptions['paths']
}

export const pathsLoadPlugin = (options: PluginOptions) => {
  return {
    name: 'tsconfig paths load plugin',
    setup(build: PluginBuild) {
      build.onLoad({ filter: /\.ts$/ }, async (args) => {
        let text = await fs.promises.readFile(args.path, 'utf8')
        return {
          contents: text.replace(/@lib/, 'QQQ'),
          loader: 'ts',
        }
      })
    },
  }
}