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
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.
I had this issue as well. I re-installed my npm#4 and my node.js#6.4.0. Then created my project again using the commands
create-react-native-app AwesomeProject
sudo npm start (mac command)
It worked for me!
Related
I wrote the script "style", but for some reason does not want to execute it.
Using the npm run command, you can just execute the script "test": "echo "Error: no test specified" && exit 1"
My package.json is below, as well as the full error message when I run a command:
{
"name": "plants",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"style": "sass sass/style.scss sass/style.css",
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC"
}
here I am trying to run a sktipt:
npm run style
npm ERR! Missing script: "style"
npm ERR!
npm ERR! To see a list of scripts, run:
npm ERR! npm run
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\GRAFIK548\AppData\Local\npm-cache\_logs\2022-12-28T06_18_17_306Z-debug-0.log
and here I look at what scripts can be run:
$ npm run
Lifecycle scripts included in plants#1.0.0:
test
echo "Error: no test specified" && exit 1
in general, I'm trying to connect sass via json
thank you very much for any answer!!
NPM err missing script fix
I used to get this error a lot on my old computer. The easiest fix I found that worked was to just
Try to use the absolute path of the file in your JSON.
I get this error when I run npm start.
npm ERR! Missing script: "start"
npm ERR! Did you mean one of these?
npm ERR! npm star # Mark your favorite packages
npm ERR! npm stars # View packages marked as favorites
npm ERR! To see a list of scripts, run:
npm ERR! npm run
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\USER\AppData\Local\npm-cache\_logs\2022-04-28T13_04_19_260Z-debug.log
package.json has various sections, scripts is one of them, which allows you to write npm scripts which we can run using npm run <script-name>. The error you're getting is because your start script is missing in that section.
For a node app, your package.json file should look similar to this.
{
"name": "server",
"version": "1.0.0",
"description": "",
"main": "app.js",
"scripts": {
"start": "node app.js",
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"dependencies": {
"body-parser": "^1.20.0",
"cors": "^2.8.5",
"express": "^4.17.3"
}
}
In the above code, focus on the scripts section. The following line is missing in your package.json file.
"scripts": {
"start": "node app.js",
},
Add this line and you're good to go.
Option_1: Control inside file "package.json":
"scripts": {
"start": "what command is here?",
},
Option_2: Control Terminal (folder) where you write command OR open the responding terminal for your project: right-click
on the project name -> "Open in integrated Terminal"
You have to put what command you need npm to run when you give npm start.
You have to write node index.js in scripts.start in your package.json file
I am a new programmer and I don't really understand that much in node.js or any of these things.
My main problem isn't a code bug itself rather not being able to install discord.js in Visual Studio Code.
The command I tried to run is "npm install discord.js" in the terminal and in cmd but both didn't work for me.
The output:
npm ERR! path C:\Program Files\nodejs\node_modules\npm\node_modules\cacache\node_modules\unique-filename\package.json
npm ERR! Cannot find module 'C:\Program Files\nodejs\node_modules\npm\node_modules\cacache\node_modules\unique-filename\index.js'. Please verify that the package.json has a valid "main" entry
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Dezkah\AppData\Roaming\npm-cache\_logs\2020-10-11T14_35_47_984Z-debug.log
I did install the package.json file
{
"name": "bot",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC"
}
Sorry if this question is stupid or something but I can't seem to find a solution.
Thanks in advance!
The first thing you have to after selecting an empty folder in vscode as worskpace is open a terminal, write and follow instructions
npm init
or npm init --yes for insert all default values.
this generate a package.json inside your working folder.
After that you can install packages via npm
npm i discord.js --save
It's working fine on Windows OS. I created a new package.json file and then installed discord.js.
Will you please clear the cache and then try again?
npm cache clean --force
Then try to install discord.js again:
npm i discord.js
i did a fresh "npm init". put entry point : "index.html"
then installed lite-server : npm install lite-server --save-dev
also updated the package.json and I Uninstalled, reinstalled tried everything but it's not working and
also tried npm cache clean --force but it's not working. can any one help with this error.
{
"name": "git-test",
"version": "1.0.0",
"description": "",
"main": "index.html",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "npm run lite",
"lite": "lite-server"
},
"author": "Sateesh",
"license": "ISC",
"dependencies": {
"lite-server": "^2.5.4"
}
}
But when I did "npm start" , getting this error
git-test#1.0.0 start D:\Coursera\git-test
> npm run lite
'npm' is not recognized as an internal or external command,
operable program or batch file.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! git-test#1.0.0 start: `npm run lite`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the git-test#1.0.0 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! C:\Users\sai\AppData\Roaming\npm-cache\_logs\2020-06-05T10_20_11_723Z-debug.log
I was too facing the same issue after a system shutdown, hence this worked for me:
First uninstall the current local lite-server in node_modules
npm uninstall lite-server
Install lite-server globally and try running the same command
npm install -g lite-server
then hit:
npm start
This fixed the issue for me, thank you
Here's my Json file script if you want to have a look
"scripts": {
"start": "npm run lite",
"test": "echo \"Error: no test specified\" && exit 1",
"lite": "lite-server"
},
You don't seem to have node/npm installed and configured properly (PATH issues).
I would suggest you try to re-install Node.js using the official instructions for your platform (https://nodejs.org/en/download/) or by using a Node.js version manager like nvm (https://github.com/nvm-sh/nvm) or n (https://github.com/tj/n).
Using nvm or n, will allow you to dynamically switch Node.js version without having to re-install everything from scratch.
Just install the live-server globally,i think that should solve the issue.
sudo npm install --global lite-server
And in your package.json file you can change a little bit.
{
"name": "git-test",
"version": "1.0.0",
"description": "",
"main": "index.html",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "lite-server",
},
"author": "Sateesh",
"license": "ISC",
"dependencies": {
"lite-server": "^2.5.4"
}
}
After this run this on terminal
npm start
I think this should help :)
I had a similar issue,yarn start worked for
I tried to use npm start to start my application. So I added the following line in my package.json file:
"scripts": {
"start": "node app.js"
}
however, when I used npm start, I met with this problem:
but when I used node app.js, it worked. So what's the problem?
Use the command npm run start instead of npm start.