esbuild.ts

import path from 'node:path'
import { cp } from 'node:fs/promises'
import { build } from 'esbuild'
import type { Plugin } from 'esbuild'
import esbuildPluginPino from 'esbuild-plugin-pino'
import glob from 'tiny-glob'

/** esbuild plugin to copy static folder to outdir */
function esbuildPluginFastifySwaggerUi(): Plugin {
  return {
    name: '@fastify/swagger-ui',
    setup(build) {
      const { outdir } = build.initialOptions
      const fastifySwaggerUi = path.dirname(
        require.resolve('@fastify/swagger-ui')
      )
      const source = path.join(fastifySwaggerUi, 'static')
      const dest = path.join(outdir, 'static')

      build.onEnd(async () => cp(source, dest, { recursive: true }))
    }
  }
}

;(async function () {
  // Get all ts files
  const entryPoints = await glob('src/**/*.ts')

  build({
    entryPoints,
    logLevel: 'info',
    outdir: 'build',
    bundle: true,
    minify: true,
    platform: 'node',
    format: 'cjs',
    sourcemap: true,
    plugins: [
      esbuildPluginPino({ transports: ['pino-pretty'] }),
      esbuildPluginFastifySwaggerUi()
    ]
  })
})()