`npm start` complains "missing script: start", without running node

Question

I have the following files in my NPM package:

`package.json`:

{
  "name": "npm-start",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC"
}

`index.js`

console.log('Hello world!');

When I try to run npm start, I get an error message:

> npm start
npm ERR! missing script: start

Okay, it's true: I don't have a "start" property in "scripts" object. But NPM's CLI Documentation claims this about npm start:

If no "start" property is specified on the "scripts" object, it will run node server.js.

Why is NPM failing me? Isn't it supposed to invoke node in this scenario? Am I missing something? (Of course, manually invoking node works fine).

In case it's relevant:

> npm -version
5.3.0

sampathsris · Accepted Answer · 2017-11-10 09:34:41Z

1

As soon as I finished typing the question, I realized my error.

When "start" property is absent, NPM will invoke node with server.js. But I don't have a server.js. NPM checks under the hood for this server.js file, and fails if it's not present. Ideally though, NPM should have reported that server.js wasn't found. The current way of handling things is confusing.

As soon as you have a server.js file, npm start works fine.

answered Nov 10, 2017 at 9:34

sampathsris

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anoynmous · Accepted Answer · 2018-03-17 01:33:31Z

0

I had this issue as well. I re-installed my npm@4 and my [email protected]. Then created my project again using the commands

create-react-native-app AwesomeProject
sudo npm start (mac command)

It worked for me!

answered Mar 17, 2018 at 1:33

anoynmous

1177 bronze badges

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