导入导出 nanoid 包，有问题 require() of ES modules is not supported.

[zhuzeyu22]

🐛 Describe the bug（描述 bug）

导入导出 nanoid 包，有问题 require() of ES modules is not supported.

import { nanoid } from 'nanoid';

Error [ERR_REQUIRE_ESM]: Must use import to load ES Module: D:\workspace\et_web_server2\node_modules\nanoid\index.js
require() of ES modules is not supported.
require() of D:\workspace\et_web_server2\node_modules\nanoid\index.js from D:\workspace\et_web_server2\src\service\ICD.service.ts is an ES module file as it is a .js file whose nearest parent package.json contains "type": "module" which defines all .js files in that package scope as ES modules.
Instead rename index.js to end in .cjs, change the requiring code to use import(), or remove "type": "module" from D:\workspace\et_web_server2\node_modules\nanoid\package.json.

at Module._extensions..js (internal/modules/cjs/loader.js:1015:13)
at Object.require.extensions.<computed> [as .js] (D:\workspace\et_web_server2\node_modules\ts-node\src\index.ts:1608:43)
at Module.load (internal/modules/cjs/loader.js:863:32)
at Function.Module._load (internal/modules/cjs/loader.js:708:14)
at Module.require (internal/modules/cjs/loader.js:887:19)
at require (internal/modules/cjs/helpers.js:74:18)
at Object.<anonymous> (D:\workspace\et_web_server2\src\service\ICD.service.ts:8:1)
at Module._compile (internal/modules/cjs/loader.js:999:30)
at Module.m._compile (D:\workspace\et_web_server2\node_modules\ts-node\src\index.ts:1618:23)
at Module._extensions..js (internal/modules/cjs/loader.js:1027:10) {

code: 'ERR_REQUIRE_ESM'
}
[ Midway ] Auto reload. [change] service\ICD.service.ts

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[czy88840616]

非问题，cjs 和 esm 不兼容，以下方案二选一

1、使用仅支持 cjs 的包，比如老版本的 nanoid
2、使用 esm 版本的框架，https://midwayjs.org/docs/esm

[zhuzeyu22]

可能需要老版本，因为业务需要在 node 12 环境编译