Highest scored 'node.js+npm' questions

5333 votes

22 answers

1.8m views

What's the difference between tilde(~) and caret(^) in package.json?

After I upgraded to the latest stable node and npm, I tried npm install moment --save. It saves the entry in the package.json with the caret ^ prefix. Previously, it was a tilde ~ prefix. Why are ...

Fizer Khan

90.5k

asked Mar 12, 2014 at 6:02

3072 votes

16 answers

1.1m views

What is the --save option for npm install?

I saw some tutorial where the command was: npm install --save What does the --save option mean?

Dmitri

35.6k

asked Oct 24, 2013 at 23:54

2997 votes

32 answers

2.2m views

Find the version of an installed npm package

How can I find the version of an installed Node.js or npm package? This prints the version of npm itself: npm -v <package-name> This prints a cryptic error: npm version <package-name> ...

Laurent Couvidou

33k

asked Jun 10, 2012 at 20:36

2905 votes

16 answers

987k views

What's the difference between dependencies, devDependencies, and peerDependencies in NPM package.json file?

This documentation answers my question very poorly. I didn't understand those explanations. Can someone say in simpler words? Maybe with examples if it's hard to choose simple words? Also added ...

Vitalii Korsakov

46.8k

asked Sep 18, 2013 at 14:57

2788 votes

42 answers

1.6m views

How can I update each dependency in package.json to the latest version?

I copied package.json from another project and now want to bump all of the dependencies to their latest versions since this is a fresh project and I don't mind fixing something if it breaks. What's ...

Raine Revere

32.3k

asked Apr 18, 2013 at 2:39

2459 votes

15 answers

1.1m views

Do I commit the package-lock.json file created by npm 5?

npm 5 was released today and one of the new features include deterministic installs with the creation of a package-lock.json file. Is this file supposed to be kept in source control? I'm assuming it'...

rink.attendant.6

45.4k

asked May 26, 2017 at 17:03

2155 votes

67 answers

2.3m views

How can I update Node.js and NPM to their latest versions?

I just installed Node.js and NPM (Node Package Manager). I installed NPM for access to additional Node.js modules. After I installed Node.js and NPM, I noticed that neither were the latest versions ...

Dail

21.8k

asked Jun 4, 2011 at 14:28

1754 votes

36 answers

2.8m views

How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)

My version of node is always v0.6.1-pre even after I install brew node and NVM install v0.6.19. My node version is: node -v v0.6.1-pre NVM says this (after I install a version of node for the first ...

Dominic Tancredi

41.8k

asked Jun 24, 2012 at 13:40

1509 votes

40 answers

693k views

How to fix npm throwing error without sudo

I just installed node and npm through the package on nodejs.org, and whenever I try to search or install something with npm, it throws the following error unless I sudo the command. I have a feeling ...

Chad

18.3k

asked Apr 22, 2013 at 15:35

1507 votes

23 answers

1.2m views

Where does npm install packages?

Can someone tell me where can I find the Node.js modules, which I installed using npm?

trnc

21.2k

asked May 8, 2011 at 9:39

1440 votes

25 answers

1.0m views

Sending command line arguments to npm script

The scripts portion of my package.json currently looks like this: "scripts": { "start": "node ./script.js server" } ...which means I can run npm start to start the ...

arnemart

14.8k

asked Jul 20, 2012 at 14:02

1414 votes

23 answers

1.6m views

How can I uninstall npm modules in Node.js?

As commonly known, any npm module can be installed by running a simple command: npm install <module_name>. I have installed a few modules that I do not use any more and I just want to get them ...

Manish Kumar

15.4k

asked Oct 25, 2012 at 10:23

1253 votes

18 answers

499k views

What is the difference between --save and --save-dev?

What is the difference between: npm install [package_name] and: npm install [package_name] --save and: npm install [package_name] --save-dev What does this mean? And what is really the effect of --...

nfort

12.7k

asked Apr 6, 2014 at 7:34

1224 votes

10 answers

1.1m views

How to install a previous exact version of a NPM package?

I used nvm to download node v0.4.10 and installed npm to work with that version of node. I am trying to install express using npm install express -g and I get an error that express requires node ...

stewart99

14.5k

asked Apr 8, 2013 at 23:44

1020 votes

19 answers

743k views

How to list npm user-installed packages

How do I list the user-installed / environment package only in npm? When I do npm -g list, it outputs every package and their dependencies. Instead I'd like to see the packages installed in the ...

lolski

16.7k

asked Jul 30, 2013 at 3:45

946 votes

12 answers

454k views

Why does "npm install" rewrite package-lock.json?

I just recently upgraded to npm@5. I now have a package-lock.json file with everything from package.json. I would expect that, when I run npm install that the dependency versions would be pulled ...

Viper Bailey

11.8k

asked Jul 10, 2017 at 21:38

921 votes

34 answers

560k views

Is there a way to get the version from the 'package.json' file in Node.js code?

Is there a way to get the version set in the package.json file in a Node.js application? I would want something like this var port = process.env.PORT || 3000 app.listen port console.log "Express ...

Abhik Bose Pramanik

9,521

asked Feb 5, 2012 at 22:15

919 votes

12 answers

667k views

Error "npm WARN package.json: No repository field"

I installed Express.js with the following command: sudo npm install -g express I get the following warnings: npm WARN package.json [email protected] No repository field. npm WARN package.json fresh@...

JR Galia

17.3k

asked May 30, 2013 at 4:18

893 votes

22 answers

1.0m views

npm check and update package if needed

We need to integrate Karma test runner into TeamCity and for that I'd like to give sys-engineers small script (powershell or whatever) that would: pick up desired version number from some config file ...

iLemming

35.4k

asked May 13, 2013 at 15:12

866 votes

15 answers

592k views

How do you prevent install of "devDependencies" NPM modules for Node.js (package.json)?

I have this in my package.json file (shortened version): { "name": "a-module", "version": "0.0.1", "dependencies": { "coffee-script": ">= 1.1.3" }, "devDependencies": { "...

Lance

77.2k

asked Feb 13, 2012 at 21:25

846 votes

33 answers

290k views

nvm keeps "forgetting" node in new terminal session

Upon using a new terminal session in OS X, nvm forgets the node version and defaults to nothing: $ nvm ls: .nvm v0.11.12 v0.11.13 I have to keep hitting nvm use v.0.11.13 in ...

frhd

9,894

asked Jul 5, 2014 at 10:05

764 votes

7 answers

556k views

How can I specify the required Node.js version in package.json?

I have a Node.js project that requires Node version 12 or higher. Is there a way to specify this in the packages.json file, so that the installer will automatically check and inform the users if they ...

Erel Segal-Halevi

35.5k

asked Mar 30, 2015 at 15:06

734 votes

43 answers

908k views

Error: EACCES: permission denied, access '/usr/local/lib/node_modules'

What might be causing the error Error: EACCES: permission denied, access '/usr/local/lib/node_modules'? npm ERR! path /usr/local/lib/node_modules npm ERR! code EACCES npm ERR! errno -13 npm ERR! ...

hendra dedi

7,484

asked Feb 21, 2018 at 16:30

734 votes

25 answers

473k views

How to use executables from a package installed locally in node_modules?

How do I use a local version of a module in node.js. For example, in my app, I installed coffee-script: npm install coffee-script This installs it in ./node_modules and the coffee command is in ./...

typeoneerror

56.4k

asked Mar 13, 2012 at 7:31

726 votes

20 answers

738k views

Local dependency in package.json

I want to do something like this, so npm install also installs the package.json of ../somelocallib or more importantly its dependencies. "dependencies": { "express": "*&...

user1680104

8,687

asked Jan 17, 2013 at 15:02

721 votes

63 answers

522k views

Node Sass couldn't find a binding for your current environment

I am having issues building an app because node-sass keeps failing with the error. ERROR in Missing binding /Users/warren/Sites/random-docs/my-cms/node_modules/node-sass/vendor/darwin-x64-11/...

wazzaday

9,614

asked Jun 23, 2016 at 8:57

673 votes

11 answers

552k views

Installing a local module using npm?

I have a downloaded module repo, I want to install it locally, not globally in another directory? What is an easy way to do this?

fancy

50.2k

asked Nov 11, 2011 at 1:53

667 votes

12 answers

492k views

How do I override nested NPM dependency versions?

I would like to use the grunt-contrib-jasmine NPM package. It has various dependencies. Part of the dependency graph looks like this: ─┬ [email protected] │ ├─┬ [email protected] │...

georgebrock

29.3k

asked Apr 4, 2013 at 8:30

659 votes

6 answers

301k views

npm install vs. update - what's the difference?

What is the practical difference between npm install and npm update? When should I use which?

Borek Bernard

52k

asked Sep 18, 2012 at 14:07

658 votes

13 answers

392k views

How to find unused packages in package.json?

Is there a way to determine if you have packages in your package.json file that are no longer needed? For instance, when trying out a package and later commenting or deleting code, but forgetting to ...

Josh C

7,961

asked Mar 27, 2014 at 0:10

610 votes

22 answers

1.0m views

How to set environment variables from within package.json?

How to set some environment variables from within package.json to be used with npm start like commands? Here's what I currently have in my package.json: { ... "scripts": { "help": "tagove ...

dev.meghraj

8,840

asked Aug 4, 2014 at 5:55

600 votes

29 answers

1.8m views

How can I update npm on Windows?

I tried this: sudo npm cache clean -f sudo npm install -g n sudo n stable ...but it didn't work. How do I do this on Windows?

Jatin

14.2k

asked Aug 23, 2013 at 21:26

564 votes

10 answers

675k views

How do you reinstall an app's dependencies using npm?

Is there a simple way to reinstall all packages that my app depends on (i.e. they are in my apps node_modules folder)?

trusktr

45.8k

asked Oct 12, 2012 at 20:18

540 votes

22 answers

867k views

How can I change the version of npm using nvm?

I've been using NVM to install the latest versions of Node.js for my Node.js work. It works totally fine for installing separate versions and switching between them. It also installs the latest ...

thisissami

15.9k

asked Mar 18, 2012 at 3:49

531 votes

18 answers

857k views

Node.js - SyntaxError: Unexpected token import

I don't understand what is wrong. Node v5.6.0 NPM v3.10.6 The code: function (exports, require, module, __filename, __dirname) { import express from 'express' }; The error: SyntaxError: ...

SofDroid

5,500

asked Sep 11, 2016 at 12:55

526 votes

4 answers

349k views

npm command to uninstall or prune unused packages in Node.js

Is there a way to simply uninstall all unused (undeclared) dependencies from a Node.js project (ones that are no longer defined in my package.json.) When I update my application I like to have the ...

Tarion

16.8k

asked Jan 28, 2014 at 21:15

525 votes

19 answers

259k views

Cannot install packages using node package manager in Ubuntu

NodeJS interpreter name(node) on Ubuntu has been renamed to nodejs because of a name conflict with another package. Here's what the readme. Debian says: The upstream name for the Node.js ...

Sayem

6,099

asked Jan 16, 2014 at 17:02

523 votes

16 answers

1.0m views

How to clean node_modules folder of packages that are not in package.json?

Assume I install project packages with npm install that looks into package.json for modules to be installed. After a while I see that I don't need some specific module and remove its dependency from ...

Sergei Basharov

52.7k

asked Jan 14, 2014 at 19:32

506 votes

9 answers

577k views

What does npm install --legacy-peer-deps do exactly? When is it recommended / What's a potential use case?

Just ran into this error: npm ERR! code ERESOLVE npm ERR! ERESOLVE unable to resolve dependency tree npm ERR! npm ERR! While resolving: [email protected] npm ERR! Found: [email protected] npm ERR! ...

antonwilhelm

6,650

asked Feb 17, 2021 at 10:03

500 votes

50 answers

1.5m views

How to solve npm error "npm ERR! code ELIFECYCLE"

I'm trying to learn react, so I have this sample code for the full-stack react voting app, and I am trying to get it to work but after running npm install followed by npm start I receive the following ...

user7037425

asked Feb 17, 2017 at 23:02

480 votes

32 answers

628k views

Can't run my Node.js Typescript project TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".ts" for /app/src/App.ts

When I try to start my app on Heroku I got the following stack trace. It is just a basic ts.app like you see with ts-node and nodemon. I am really interested in what the answer is going to be. 2020-05-...

Elizar Pongracz

4,863

asked May 30, 2020 at 0:07

480 votes

9 answers

1.0m views

How to completely remove node.js from Windows

I uninstalled my previous version of node.js (0.8.11) and downloaded the latest, 0.10.24 from the node.js website and installed it. However, after running node --version, it still indicates that I'm ...

Andrew De Forest

7,139

asked Dec 20, 2013 at 20:12

480 votes

9 answers

549k views

How to specify local modules as npm package dependencies

I have an application which has the usual set of dependencies on third party modules (e.g. "express") specified in the package.json file under dependencies. E.g. "express" : "...

Sam Adams

5,537

asked Apr 4, 2013 at 8:34

467 votes

31 answers

609k views

Command to remove all npm modules globally

Is there a command to remove all global npm modules? If not, what do you suggest?

EhevuTov

20.4k

asked Feb 14, 2012 at 20:07

461 votes

13 answers

441k views

How to properly upgrade node using nvm

Is it possible to upgrade node right in place, instead of manually installing the latest stable version? I have installed node.js version 5.0 with nvm, but now I want to update it to 5.4. I'm trying ...

Boris Burkov

14k

asked Jan 15, 2016 at 11:54

456 votes

62 answers

683k views

npm ERR cb() never called

I have a Node.js app hosted on Heroku. Every time I do a git push heroku I get the following error: Counting objects: 14, done. Delta compression using up to 6 threads. Compressing objects: 100% (12/...

Louise K

4,771

asked Mar 13, 2013 at 18:44

452 votes

13 answers

359k views

Is there a way to automatically build the package.json file for Node.js projects

Is package.json supposed to be manually edited? Couldn't a program like npm just look through the files, see the "require" statements, and then use that to put the necessary entries in the package....

neuromancer

54.7k

asked Apr 1, 2012 at 2:45

434 votes

10 answers

264k views

npm - how to show the latest version of a package

How do I use npm to show the latest version of a module? I am expecting something like npm --latest express to print out v3.0.0.

Trantor Liu

8,980

asked Aug 14, 2012 at 9:27

427 votes

5 answers

519k views

Node update a specific package

I want to update my Browser-sync without updating all my node packages. How can I achieve this? My current version of Browser-sync does not have the Browser-sync GUI :( ├─┬ [email protected] │ ├── ...

Samuel

5,769

asked Mar 30, 2017 at 20:37

426 votes

23 answers

570k views

Can pm2 run an 'npm start' script

Is there a way for pm2 to run an npm start script or do you just have to run pm2 start app.js So in development npm start Then in production with pm2 you would run something like pm2 start 'npm start'...

svnm

23.7k

asked Jul 23, 2015 at 6:18

Collectives™ on Stack Overflow

All Questions

Related Tags