开玩笑：无法导入提取

Question

我是 JEST 的新手。我正在尝试获取数据，但要做到这一点，我必须导入它。但是，我有这个错误：

Details:

/home/josecarlos/Workspace/BlueCode/server/node_modules/node-fetch/src/index.js:9
import http from 'node:http';
       ^^^^

SyntaxError: Unexpected identifier

  1 | import config from "dotenv";
> 2 | import fetch from "node-fetch";
    | ^
  3 |
  4 | config.config();
  5 |

  at Runtime.createScriptFromCode (node_modules/jest-runtime/build/index.js:1728:14)
  at Object.<anonymous> (com/functions.js:2:1)

我的节点版本是：v11.15.0

这是我的依赖：

  "dependencies": {
"cross-env": "^7.0.3",
"dotenv": "^10.0.0",
"express": "^4.17.1",
"express-graphql": "^0.12.0",
"graphql": "^16.0.1",
"helmet": "^4.6.0",
"morgan": "^1.10.0",
"node-fetch": "^3.1.0"
  },

  "devDependencies": {
    "@babel/cli": "^7.16.0",
    "@babel/core": "^7.16.0",
    "@babel/node": "^7.16.0",
    "@babel/preset-env": "^7.16.0",
    "jest": "^27.3.1",
    "jshint": "^2.13.1",
    "nodemon": "^2.0.14"
  }

Answer 1

Node-fetch有一个新的主要版本，其中包含重大更改。例如node-fetch@2.6.6，如果您将 node-fetch 降级到以前的版本，您的代码应该可以工作。

欲了解更多信息：https://github.com/node-fetch/node-fetch/blob/HEAD/docs/v3-UPGRADE-GUIDE.md