Start script missing error when running npm start

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I’m receiving this error when trying to debug my node application using the npm start command.

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:Usersandrmoll.NORTHAMERICADocumentsGitHubSVIChallengenpm-debug.log

From the debug file:

Error: missing script: start
       at run (C:Program Filesnodejsnode_modulesnpmlibrun-script.js:142:19)
       at C:Program Filesnodejsnode_modulesnpmlibrun-script.js:58:5
       at C:Program Filesnodejsnode_modulesnpmnode_modulesread-package-jsonread-json.js:345:5
       at checkBinReferences_ (C:Program Filesnodejsnode_modulesnpmnode_modulesread-package-jsonread-json.js:309:45)
       at final (C:Program Filesnodejsnode_modulesnpmnode_modulesread-package-jsonread-json.js:343:3)
       at then (C:Program Filesnodejsnode_modulesnpmnode_modulesread-package-jsonread-json.js:113:5)
       at C:Program Filesnodejsnode_modulesnpmnode_modulesread-package-jsonread-json.js:300:12
       at evalmachine.<anonymous>:334:14
       at C:Program Filesnodejsnode_modulesnpmnode_modulesgraceful-fsgraceful-fs.js:102:5
       at FSReqWrap.oncomplete (evalmachine.<anonymous>:95:15)

Solution

It looks like you might not have defined a start script in your package.json file or your project does not contain a server.js file.

If there is a server.js file in the root of your package, then npm will default the start command to node server.js.

https://docs.npmjs.com/misc/scripts#default-values

You could either change the name of your application script to server.js or add the following to your package.json

"scripts": {
    "start": "node your-script.js"
}

Or … you could just run node your-script.js directly

Source: StackOverflow.com

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