错误 [ERR_REQUIRE_ESM]:如何在节点 12 中使用 es6 模块? [英] Error [ERR_REQUIRE_ESM]: How to use es6 modules in node 12?

问题描述

来自 https://2ality.com/2019/04/nodejs-esm-impl.html Node 12 应该支持 es6 模块；但是，我只是不断收到错误:

From https://2ality.com/2019/04/nodejs-esm-impl.html Node 12 should support es6 modules; however, I just keep getting the error:

问题:如何在 node 12 中使用 es6 模块制作 MVP?

Question: How do I make a MVP of using es6 modules in node 12?

package.json

{
  "name": "dynamic-es6-mod",
  "version": "1.0.0",
  "description": "",
  "main": "src/index.mjs",
  "scripts": {
    "test": "echo "Error: no test specified" && exit 1",
    "start": "node src/index.mjs"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "globby": "^10.0.1"
  }
}

$ node -v
$ 12.6.0
$ npm run start


internal/modules/cjs/loader.js:821
  throw new ERR_REQUIRE_ESM(filename);
Error [ERR_REQUIRE_ESM]: Must use import to load ES Module: /Users/dev/dynamic-es6-mod/src/index.mjs
    at Object.Module._extensions..mjs (internal/modules/cjs/loader.js:821:9)
    at Module.load (internal/modules/cjs/loader.js:643:32)
    at Function.Module._load (internal/modules/cjs/loader.js:556:12)
    at Function.Module.runMain (internal/modules/cjs/loader.js:839:10)
    at internal/main/run_main_module.js:17:11

推荐答案

你所要做的就是添加标志 --experimental-modules 支持新的 es6 导入/导出语句以及命令很重要，如下所示.

All you have to do is adding the flag --experimental-modules that supports the new es6 import/export statement also the order is important as the following.

    "start": "node --experimental-modules src/index.mjs "

这篇关于错误 [ERR_REQUIRE_ESM]:如何在节点 12 中使用 es6 模块?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！