运行npm Start时，启动脚本丢失错误

当我试图用npm start命令调试我的节点应用程序时，我收到了这个错误。

Error:

npm ERR! Windows_NT 6.3.9600
npm ERR! argv "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "start"
npm ERR! node v0.12.7
npm ERR! npm  v2.11.3

npm ERR! missing script: start
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>npm ERR! Please include the following file with any support request:
npm ERR!     C:\Users\andrmoll.NORTHAMERICA\Documents\GitHub\SVIChallenge\npm-debug.log

From the debug file:

Error: missing script: start
       at run (C:\Program Files\nodejs\node_modules\npm\lib\run-script.js:142:19)
       at C:\Program Files\nodejs\node_modules\npm\lib\run-script.js:58:5
       at C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:345:5
       at checkBinReferences_ (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:309:45)
       at final (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:343:3)
       at then (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:113:5)
       at C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:300:12
       at evalmachine.<anonymous>:334:14
       at C:\Program Files\nodejs\node_modules\npm\node_modules\graceful-fs\graceful-fs.js:102:5
       at FSReqWrap.oncomplete (evalmachine.<anonymous>:95:15)

当前回答

添加这个内部包。Json文件。

,"scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
  "test": "react-scripts test",
  "eject": "react-scripts eject"
}

2016-05-19 08:38:43

其他回答

我已经解决了我的问题。这不是一个NPM错误，它与代理行为有关。

如果你不支持代理，

MAC
 1.  Goto System Preference (gears icon on your mac)
 2.  click your network
 3.  click advanced
 4.  click proxy
 5.  check excludes simple hostnames
 6.  add this line below (Bypass Proxy Settings...) "localhost, localhost:8080"

refer to the npm echo: "Project is running at http://localhost:8080/"

Windows
 1.  Goto your browser Proxy Settings (google it)
 2.  check Bypass local address
 3.  add this line below "localhost, localhost:8080"

2017-06-01 10:42:37

请在package.json中的script object中使用下面这行代码

"scripts": {
    "start": "webpack-dev-server --hot"
}

对我来说，它运行得非常好。

2016-04-30 13:29:02

我也有同样的问题。我试图在VS code终端启动它。所以我在我的计算机终端中启动开发环境(而不是在VS Code中)。它工作。在启动该文件之前，请确保您在终端中的文件中

2021-05-31 21:53:10

检查包装。Json文件有“脚本”属性是否存在。如果不这样更新脚本属性

{
  "name": "csvjson",
  "version": "1.0.0",
  "description": "upload csv to json and insert it into MongoDB for a single colletion",
  "scripts": {
    "start": "node csvjson.js"
  },
  "dependencies": {
    "csvjson": "^4.3.4",
    "fs": "^0.0.1-security",
    "mongodb": "^2.2.31"
  },
  "devDependencies": {},
  "repository": {
    "type": "git",
    "url": "git+https://github.com/giturl.git"
  },
  "keywords": [
    "csv",
    "json",
    "mongodb",
    "nodejs",
    "collection",
    "import",
    "export"
  ],
  "author": "karthikeyan.a",
  "license": "ISC",
  "bugs": {
    "url": "https://github.com/homepage/issues"
  },
  "homepage": "https://github.com/homepage#readme"
}

2017-09-01 11:03:14

试试下面这些步骤:

NPM rm -g create-react-app NPM install -g create-react-app create-react-app my-app

这绝对有用!!

2020-07-17 08:15:42

运行npm Start时，启动脚本丢失错误

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