#!/usr/bin/env node

// src/bin.ts
import fs from "node:fs";
import path from "node:path";
import { globSync } from "glob";
import groupBy from "object.groupby";
var argv = process.argv.slice(2);
var files = argv;
if (argv.includes("--help") || !files.length) {
  console.log(
    `
Usage: add-pkg-exports <glob-pattern>
Description: Add exports field to package.json based on the files found by the glob pattern
`.trim()
  );
  process.exit(0);
}
var resolvedFiles = files.length === 1 ? globSync(files[0], { absolute: true, cwd: process.cwd() }) : files.map((file) => path.resolve(file));
var x = resolvedFiles.sort().map((value) => {
  const relative = path.relative(process.cwd(), value);
  const rel = `./${relative}`;
  const extname = `.${path.basename(rel).split(".").slice(1).join(".")}`;
  const basename = path.basename(rel, extname);
  const key = basename === "index" ? "." : `./${basename}`;
  const keyword = extname === ".cjs" ? "require" : extname === ".js" ? "import" : void 0;
  return { extname, key, rel, keyword };
});
var grouped = Object.entries(groupBy(x, (v) => v.key)).sort(([a], [b]) => a.localeCompare(b));
var exportsProperty = Object.fromEntries(
  grouped.map(([key, value]) => {
    return [key, Object.fromEntries(value?.filter((v) => v.keyword).map((v) => [v.keyword, v.rel]) || [])];
  })
);
var packagePath = path.join(process.cwd(), "./package.json");
var packageJson = JSON.parse(fs.readFileSync(packagePath, "utf-8"));
packageJson.exports = exportsProperty;
fs.writeFileSync(packagePath, JSON.stringify(packageJson, null, 2));