barrelsby.ts

import { rm } from "node:fs/promises"
import { join } from "node:path"
import { argv } from "node:process"
import { fileURLToPath } from "node:url"
import { Barrelsby } from "barrelsby/bin/index.js"
import type { Arguments } from "barrelsby/bin/options/options"
import type { Plugin, PluginContext } from "rolldown"
import tsconfig from "../tsconfig.json" with { type: "json" }

/** Runs barrelsby before building */
export const barrelsby = (opts: Arguments = {}): Plugin => ({
  name: "barrelsby",
  buildStart(this: PluginContext): Promise<void> {
    return runBarrelsby(this, opts)
  },
})

export function runBarrelsby(log: Pick<Console, "info" | "warn">, opts: Arguments): Promise<void> {
  log.info("Generating index.ts")
  const args = Object.assign({}, tsconfig.barrelsby, opts)
  Barrelsby(args)

  // We don't want src/index.ts
  return rm(join(args.directory, args.name)).catch((e) => {
    log.warn(`Failed to remove ${args.directory}/${args.name}: ${e}`)
  })
}

// This runs at `yarn install`
if (argv[1] === fileURLToPath(import.meta.url)) {
  await runBarrelsby(console, {})
}