Bug: SyntaxError: The requested module '@koishijs/loader' does not provide an export named 'default'

[FurryRbl]

Describe the bug

运行时出现以下错误：

❯ yarn dev
yarn run v1.22.21
$ node ./src/main.js
file:///P:/Xiying/node_modules/koishi/lib/index.mjs:2
import Loader from "@koishijs/loader";
       ^^^^^^
SyntaxError: The requested module '@koishijs/loader' does not provide an export named 'default'
    at ModuleJob._instantiate (node:internal/modules/esm/module_job:132:21)
    at async ModuleJob.run (node:internal/modules/esm/module_job:214:5)
    at async ModuleLoader.import (node:internal/modules/esm/loader:329:24)
    at async loadESM (node:internal/process/esm_loader:34:7)
    at async handleMainPromise (node:internal/modules/run_main:113:12)

Node.js v20.10.0
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

Steps to reproduce

./src/main.js代码：

import { Context } from "koishi";
import * as echo from "@koishijs/plugin-echo";
import console from "@koishijs/plugin-console";
import * as sandbox from "@koishijs/plugin-sandbox";

const app = new Context({
	port: 6200,
});

app.plugin(console);
app.plugin(sandbox);
app.plugin(echo);

app.start();

Expected behavior

正常运行并出现6200端口

Screenshots

No response

Versions

• OS: Windows 10 专业工作站版 [64 位]（10.0.19044.0）
• Platform: Koishi
• Node version: v20.10.0
• Koishi version: 4.16.4

Additional context

package.json文件内容：

{
	"name": "test",
	"version": "1.0.0",
	"description": "测试",
	"type": "module",
	"license": "MPL-2.0",
	"private": true,
	"main": "./src/main.js",
	"author": {
		"name": "SharpIce",
		"email": "VupRbl@163.com",
		"url": "https://SharpIce.top"
	},
	"engines": {
		"node": ">=20"
	},
	"scripts": {
		"lint": "eslint --fix .",
		"clean": "rimraf build/",
		"pre": "prettier . --write",
		"dev": "node ./src/main.js"
	},
	"devDependencies": {
		"eslint": "^8.48.0",
		"eslint-config-prettier": "^9.0.0",
		"eslint-plugin-prettier": "^5.0.0",
		"prettier": "^3.0.2",
		"rimraf": "^5.0.1"
	},
	"dependencies": {
		"koishi": "^4.16.4",
		"@koishijs/plugin-console": "^5.25.6",
		"@koishijs/plugin-echo": "^2.2.5",
		"@koishijs/plugin-sandbox": "^3.2.4"
	}
}

[CyanChanges]

@koishijs/loader 用 esm 会 import 到 shared 而不是 index，但是 shared 没有 default export，index 有 default export

用 common js 的 require 应该可以，建议先换成 require（

或者编译为 commonjs（

[shigma]

好像确实是楼上说的问题。我下个版本会尝试解决（本周内）。