如何修复此 npm 开始不起作用（在 npx create-react-app 之后）

Question

 npm ERR. code ELIFECYCLE npm ERR. errno 1 npm ERR: todos-clone-app@0.1.0 start. `react-scripts start` npm ERR. Exit status 1 npm ERR. npm ERR: Failed at the todos-clone-app@0.1.0 start script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. npm ERR! A complete log of this run can be found in: npm ERR! /home/josh/.npm/_logs/2020-08-21T19_28_35_521Z-debug.log

编辑：

package.json

{
  "name": "todos-clone-app",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "@testing-library/jest-dom": "^4.2.4",
    "@testing-library/react": "^9.5.0",
    "@testing-library/user-event": "^7.2.1",
    "react": "^16.13.1",
    "react-dom": "^16.13.1",
    "react-scripts": "3.4.3",
    "webpack-dev-server": "^3.11.0"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "eslintConfig": {
    "extends": "react-app"
  },
  "browserslist": {
    "production": [ ">0.2%", "not dead", "not op_mini all" ],
    "development": [ "last 1 chrome version", "last 1 firefox version", "last 1 safari version" ]
  }
}

Answer 1

尝试删除您的node_modules目录和package-lock.json文件。 然后运行npm install 。

Answer 2

就我而言，这是因为不在正确的文件夹中。

通常，我创建一个文件夹和 go 到 Vs 代码以打开它，以便在控制台中键入 create-react-app“文件夹名称”。

问题是我试图在父文件夹而不是“文件夹名”中启动 npm。

你所要做的就是
1-cd 文件夹名称
2-npm 开始。

它应该工作。

Answer 3

try=> npx create-react-app./ 它对我有用