Questions tagged [npm-scripts]
The "scripts" property of the package.json file supported by npm.
npm-scripts
1,080
questions
620
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 ...
- 8,960
436
votes
34
answers
1.5m
views
Start script missing error when running npm start
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" "...
- 4,983
208
votes
7
answers
543k
views
How to run eslint --fix from npm script
I am trying to add lint-fix in my package.json.
My basic lint is "lint": "eslint --ext .js,.vue src test/unit/specs test/e2e/specs"
I did try "lint-fix": "eslint --fix --ext .js,.vue src test/unit/...
- 13.4k
94
votes
2
answers
50k
views
How can I reference package version in npm script?
I want to reference my package version in a npm script so I can show current version in the app.
Something like
{
"name": "bla",
"version": "1.0.0",
"author": "bla bla",
"scripts": {
"...
- 7,558
72
votes
4
answers
86k
views
How to set env var for .npmrc use
I need a module in my project to download a private npm package. To accomplish this, I am using a .npmrc file to supply a read-only token needed to download the package. To keep the token supplied by ...
- 3,080
66
votes
4
answers
36k
views
npm package.json OS specific script
I would like to create a package.json build script that executes slightly different set of commands when run from Windows, Linux, Mac.
The problem is that I cannot find a way to put it in package....
- 2,922
61
votes
4
answers
66k
views
Why is npm running prepare script after npm install, and how can I stop it?
Whenever I run npm install <package> it installs the package alright, but then it automatically runs the prepare script.
It's worth mentioning that I've already checked that there is no ...
- 2,054
60
votes
31
answers
135k
views
NPM: ENOENT: no such file or directory, rename
I was using gulp on the project, then i decide to deleted all the dev dependencies to switch to webpack, but every time i try to install using npm is get this error:
npm WARN optional SKIPPING ...
- 2,660
59
votes
11
answers
46k
views
NPM scripts not showing in the explorer sidebar
I have this problem with Visual Studio Code for Windows 10: I can't see the NPM scripts in the explorer sidebar.
I deleted all the extensions, uninstalled VS Code, and installed the latest version of ...
- 711
58
votes
28
answers
115k
views
npm ERR! Response timeout while trying to fetch https://registry.npmjs.org/react-is (over 30000ms)
When I want to create a react app I'm encountering the following error:
npm ERR! Response timeout while trying to fetch https://registry.npmjs.org/react-is (over 30000ms)
npm ERR! A complete log ...
- 681
55
votes
12
answers
78k
views
Pass command line -- argument to child script in Yarn
I have a package.json that looks similar to this:
"scripts": {
"dev": "cross-env BABEL_ENV=client webpack --config webpack/client.development.js && yarn dev:stub-server | cross-env ...
- 779
54
votes
6
answers
77k
views
npm scripts: read .env file
I have a simple requirement: In my npm scripts package.json file I have the line:
{
"scripts": {
"example": "some-lib --argument --domain \"https://tld.com\""
}
}
Now I want the "...
- 3,471
50
votes
4
answers
108k
views
Pass command line args to npm scripts in package.json
I have the below scripts in my package.json:
"scripts": {
"vumper": "node node_modules/vumper/index.js",
"format": "prettier --single-quote -width=80 --write package.json"
},
The 'vumper' ...
- 5,797
47
votes
2
answers
41k
views
What does ** mean in a path?
ive been setting up Grunt for my web app to auto build it and im seeing paths like
/path/to/file/**/*.js
i understand what one wildcard means, but what does 2 in a row mean?
- 735
45
votes
11
answers
141k
views
How to open browser to localhost through npm scripts
I've been trying to figure out how to write a npm script that will culminate with the application being launched in the user's browser without them having to manually open the browser and go to ...
- 1,223
41
votes
3
answers
45k
views
What's the difference between npm run dev and npm run start in Next.js?
I am wondering what would the difference be between npm run dev and npm run start.
To my surprise, I could not find much information online about this topic.
Specifically, I'd like to know in the ...
- 561
38
votes
3
answers
37k
views
How does npm behave differently with ignore-scripts set to true?
I just watched a talk where the speaker recommended running:
npm config set ignore-scripts true
so that post-install scripts and pre-install scripts of a package don't run. That way, you would avoid ...
- 711
34
votes
3
answers
18k
views
NPM run parallel task, but wait until resource is available to run second task
In npm, how can I run two or more parallel tasks, but waiting for the resource that the first task will create to be available to the second task to use it, and so forth?
example (conceptual):
npm ...
user3303864
30
votes
7
answers
50k
views
Why do I obtain this error when deploying app to Heroku?
I am getting some kind of error when deploying my app to heroku using git hub. The problem is, I don't understand the heroku logs and the entailing errors. Here is the heroku log:
Marcuss-MacBook-...
- 1,288
30
votes
5
answers
62k
views
npm-force-resolutions not working when installing a new package
I'm using the scripts section of the package.json to force resolutions:
"preinstall": "npx npm-force-resolutions"
in the resolutions section, I have entered graceful-fs with a ...
- 1,341
29
votes
6
answers
8k
views
Npm install from repo not running `prepare`
I have an npm package for common components hosted on an internal git server. For some reason when I call npm install in another project I want to consume this in it will not run the prepare hook. ...
- 471
28
votes
2
answers
12k
views
NPM run * doesn't do anything
I was running an Electron project, and everything worked just fine. But now when I run any of the scripts in my package.json (including npm start), it just escapes a line and doesn't do anything.
My ...
- 434
28
votes
1
answer
49k
views
NPM preinstall script
I am trying to run some policing script before any packages are installed.
For Example:
{
"name": "pre-hook-check",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
...
- 1,461
26
votes
1
answer
10k
views
Recursively copy files cross-platform via npm script
We have within a package.json build script a copy command (no we cant quickly change that).
Is there any solution we can make this work multiplatform with the same syntax easily?
I looked in several ...
- 473
25
votes
2
answers
14k
views
How to disable “Debug” from showing in package.json
How to disable the outlined "Debug" tip from showing up in package.json above the scripts section:
- 10.5k
25
votes
2
answers
28k
views
run batch file in npm script
Is it possible and how to run a batch script in npm command?
I have an angular project, in package.json file, under scripts section, I want to define a npm command to run batch script. I know I can ...
- 532
22
votes
6
answers
8k
views
Npm: Run postinstall script only when installed as dependency
I developed a npm package ("node_commons") which is included in my other project like this:
package.json (other project)
"node-commons": "git+ssh://[email protected]:7999/npm/libs/...
- 1,593
22
votes
3
answers
22k
views
How to run a post-install script after individual execution of "npm install <package>"
I am maintaining the following directory structure:
/home/user/Desktop/
|-- app/
| |-- package.json
| `-- server.js
|-- ...
- 525
21
votes
10
answers
8k
views
How do you correctly use parallelshell with npm scripts?
I am trying to use parallelshell with my node project on Windows to run two processes at the same time.
Here is the scripts section of my package.json file:
"scripts": {
"start": "npm run watch:all",...
- 616
20
votes
1
answer
17k
views
How to run a script before installing any npm module?
I am trying to make a test for npm packages for my project such that every time I try to install a module i.e run npm install <module> a script must be run before that module is installed. The ...
- 416
19
votes
12
answers
22k
views
Next Build hangs forever
I'm building an app with NextJs and Typescript. I'm trying to run next build (yarn build) on my local machine to check for typescript warnings and build errors before deploying.
Next build hangs at '...
- 281
18
votes
3
answers
18k
views
How can NPM scripts use my current working directory (when in nested subfolder)
It's good that I can run NPM scripts not only from the project root but also from the subfolders. However, with constraint that it can't tell my current working path ($PWD).
Let's say there's a ...
- 4,669
16
votes
1
answer
39k
views
NPM Run Build Always Builds Production and Never Development
On an inherited project I have, I am trying to get the build command to build a version other than Production.
I have attempted to change the alias in the script section in package.json to pass in ...
- 30.8k
15
votes
1
answer
9k
views
How to push to github with custom commit message with npm scripts?
In my package.json I have this
"scripts": {
"start": "gulp serve",
"git": "git add . && git commit -m 'some-message' && git push --all"
},
In the terminal I run npm run ...
- 2,272
15
votes
3
answers
8k
views
How to avoid install of packages in monorepo using Yarn
I built a monorepo using Lerna and Yarn workspaces.
Everything works fine but everytime I install a new dependency on a package (let's call him A) using:
yarn add <package_name>
Yarn adds it ...
- 7,545
15
votes
1
answer
19k
views
Can you set aliases for npm scripts inside package.json?
I have a project written in Typescript
When developing Locally:
ts-node is installed as a dev-dependency, The commands are
to start: "ts-node src/index"
to init: "ts-node bin/init"
to init ...
- 4,379
15
votes
1
answer
4k
views
Is it possible to suppress NPM's echo of the commands it is running?
I've got a bash script that starts up a server and then runs some functional tests. It's got to happen in one script, so I'm running the server in the background. This all happens via 2 npm commands: ...
- 45.7k
15
votes
3
answers
8k
views
Babel with babel-preset-env seems to ignore browserslist config
I’m testing Babel with browserslist in an npm script.
Here is my current package.json, in which Babel is doing what I expect:
{
"name": "npm-scripts-igloo",
"version": "1.0.0",
"description": "...
- 151
14
votes
12
answers
70k
views
Error: error:0308010C:digital envelope routines::unsupported (Node.js v19.4.0)
Error: error:0308010C:digital envelope routines::unsupported
at new Hash (node:internal/crypto/hash:71:19)
at Object.createHash (node:crypto:140:10)
at module.exports (D:\web development\...
- 141
14
votes
2
answers
19k
views
sh: SET: command not found in `npm start`
I'm trying to run a react project . and after I run command : npm start , it gave me an error:
sh: SET: command not found
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! ...
- 581
14
votes
3
answers
31k
views
Pass parameter to npm run "my command" and use that parameter in my functions
Consider app.js
const { doCoolStuff } = require("./api/myApi");
// grab param from command line into "myParam"
doCoolStuff(myParam);
... // more code
And Package.json:
{
&...
- 21.7k
14
votes
5
answers
4k
views
Deno: How to substitute npm scripts (package.json)
Since it is not necessary to have package.json file with deno, how can I as a developer have a similar experience just as we have with npm scripts in package.json?
- 709
14
votes
2
answers
4k
views
How to compile typescript into javascript then into 1 file using npm scripts
My current entire package.json file.
"scripts": {
"build": "webpack",
"start": "tsc && concurrently \"npm run tsc:w\" \"npm run lite\"",
"lite": "lite-server",
"postinstall": "...
- 38.8k
13
votes
1
answer
14k
views
babel polyfill being included, but forEach still doesn't work in IE11 on NodeLists
I've got Webpack working with Babel and including the @babel/polyfill, yet IE11 is still throwing a SCRIPT438 error when trying to use .forEach on a NodeList.
Here's my package.json
{
...
"...
- 213
13
votes
1
answer
10k
views
Output to command line within npm scripts?
I have a script in my package.json with the following code:
"scripts": {
"build": "postcss tailwind/tailwind.css -o css/cenic.tailwind.css",
"watch": &...
- 478
13
votes
5
answers
22k
views
Set node environment variable to dynamic value in npm script
I would like to set an environment variable dynamically in an npm script.
I'm using cross-env as I'm developing on Windows and the server is Unix-based. I want to initialize an environment variable ...
- 2,983
13
votes
1
answer
2k
views
Passing command line arguments to npm 'pre' script and script with multiple commands
Is there a way to pass command line arguments to an npm 'pre' script or to a script which runs multiple commands?
Assuming a simple script mySexyScript.js that just logs out the process.argv :
...
- 14.2k
13
votes
4
answers
2k
views
Distributing NPM Scripts With A Package For Use By Project Installing It
I have moved all my linting configuration and related packages/plugins/presets (for prettier, stylelint, eslint, commitlint) out to an npm package. I then use this package in multiple projects and ...
- 43.6k
12
votes
2
answers
11k
views
Is there a way to use standard-version just to update the change log
I like standard-version as it updates the changelog using git commits but for a project I'm working on versioning is managed by another command - and HAS to stay like this. Is there a way of just ...
- 2,961
12
votes
1
answer
8k
views
In NPM, How to get the list of packages under a scope?
We are developing custom packages and each package is maintained under the scope. For example:
@nest/common
@nest/core
@nest/microservice
How to get the list of packages available in the ...
- 936