Develop Reference

Javascript Eslint Error: Cannot find module 'optionator'

We've got some error and we try to install optionator but nothing happened. We're using Linux
We're trying to npm i from package.json which include this dependencies
"optionalDependencies": {
"eslint-config-<name>": "github:<username>/<repo>"
}
then we tried to run npm i optionator but still get the same error
Error: Cannot find module 'optionator'
Require stack:
- /usr/share/nodejs/eslint/lib/options.js
- /usr/share/nodejs/eslint/lib/cli.js
- /usr/share/nodejs/eslint/bin/eslint.js
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:885:15)
at Function.Module._load (internal/modules/cjs/loader.js:730:27)
at Module.require (internal/modules/cjs/loader.js:957:19)
at require (internal/modules/cjs/helpers.js:88:18)
at Object.<anonymous> (/usr/share/nodejs/eslint/lib/options.js:12:20)
at Module._compile (internal/modules/cjs/loader.js:1068:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1097:10)
at Module.load (internal/modules/cjs/loader.js:933:32)
at Function.Module._load (internal/modules/cjs/loader.js:774:14)
at Module.require (internal/modules/cjs/loader.js:957:19) {
code: 'MODULE_NOT_FOUND',
requireStack: [
'/usr/share/nodejs/eslint/lib/options.js',
'/usr/share/nodejs/eslint/lib/cli.js',
'/usr/share/nodejs/eslint/bin/eslint.js'
Anyone who experienced this, please help us. Thanks

So if you have not done an npm init then that is the issue. npm init initializes the project and will add the node_modules folder to the working directory, this will set it up as a node project. Then to install a dependency just run a npm install <dependency> although I do recommend doing a --save afterwards as well as it just ensures that the package is put in your current directory
$ npm init
$ npm install optionator --save
npm-init | npm Docs

Nothing worked until when I initialized the project in a new directory and reinstalled all the dependent modules afresh.

Need to give full access to package-lock.json

If you are using linux do this
sudo eslint init

Error: Cannot find module 'serialize-javascript' after running npm start in ReactJS project, even though there it exists in directory node_modules

For some reason my npm start doesn't work anymore, cause: this occurred right after switching to some unused branch (with unrelated histories) and pushing any changes (not realizing that this branch was some outdated one), then git checkout -f "" back to the recent branch. Now it doesnt work for any of my branches due to error Error: Cannot find module 'serialize-javascript'
Full error here:
internal/modules/cjs/loader.js:883
throw err;
^
Error: Cannot find module 'serialize-javascript'
Require stack:
- /home/abdullah/ecommerce-recommend-frontend/node_modules/rollup-plugin-terser/index.js
- /home/abdullah/ecommerce-recommend-frontend/node_modules/workbox-build/build/lib/bundle.js
- /home/abdullah/ecommerce-recommend-frontend/node_modules/workbox-webpack-plugin/build/generate-sw.js
- /home/abdullah/ecommerce-recommend-frontend/node_modules/workbox-webpack-plugin/build/index.js
- /home/abdullah/ecommerce-recommend-frontend/node_modules/react-scripts/config/webpack.config.js
- /home/abdullah/ecommerce-recommend-frontend/node_modules/react-scripts/scripts/start.js
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15)
at Function.Module._load (internal/modules/cjs/loader.js:725:27)
at Module.require (internal/modules/cjs/loader.js:952:19)
at require (internal/modules/cjs/helpers.js:88:18)
at Object.<anonymous> (/home/abdullah/ecommerce-recommend-frontend/node_modules/rollup-plugin-terser/index.js:3:19)
at Module._compile (internal/modules/cjs/loader.js:1063:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
at Module.load (internal/modules/cjs/loader.js:928:32)
at Function.Module._load (internal/modules/cjs/loader.js:769:14)
at Module.require (internal/modules/cjs/loader.js:952:19) {
code: 'MODULE_NOT_FOUND',
requireStack: [
'/home/abdullah/ecommerce-recommend-frontend/node_modules/rollup-plugin-terser/index.js',
'/home/abdullah/ecommerce-recommend-frontend/node_modules/workbox-build/build/lib/bundle.js',
'/home/abdullah/ecommerce-recommend-frontend/node_modules/workbox-webpack-plugin/build/generate-sw.js',
'/home/abdullah/ecommerce-recommend-frontend/node_modules/workbox-webpack-plugin/build/index.js',
'/home/abdullah/ecommerce-recommend-frontend/node_modules/react-scripts/config/webpack.config.js',
'/home/abdullah/ecommerce-recommend-frontend/node_modules/react-scripts/scripts/start.js'
]
}
The node_modules/serialize_javascript does exist and has a settings.json file in it:
{
"spellright.language": [
"en"
],
"spellright.documentTypes": [
"markdown",
"latex",
"plaintext",
"javascript"
]
}
I have tried running npm install (with -g as well, and in the node_modules/serialize_javascript dir) with output:
up to date, audited 1725 packages in 2s
130 packages are looking for funding
run `npm fund` for details
1 critical severity vulnerability
Some issues need review, and may require choosing
a different dependency.
Run `npm audit` for details.
And npm audit:
# npm audit report
node-serialize *
Severity: critical
Code Execution through IIFE - https://npmjs.com/advisories/311
No fix available
node_modules/node-serialize
1 critical severity vulnerability
Some issues need review, and may require choosing
a different dependency.
What's weird is that even checking node -version (node -v works now after sudo get-apt update) gives a similar MODULE_NOT_FOUND error:
internal/modules/cjs/loader.js:883
throw err;
^
Error: Cannot find module '/home/abdullah/ecommerce-recommend-frontend/–v'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15)
at Function.Module._load (internal/modules/cjs/loader.js:725:27)
at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)
at internal/main/run_main_module.js:17:47 {
code: 'MODULE_NOT_FOUND',
requireStack: []
}
Note: This only occurred after uninstalling node, then reinstalling in wsl with sudo:
rm -rf /usr/local/lib/node_modules/npm
sudo apt-get remove npm
sudo apt install nodejs
sudo apt-get update
Any ideas? Might try to just get rid of node from windows even though I use WSL and then reinstalling everything

Nevermind, I just copied an old serialize_javascript module from a previous commit since it had more stuff than just the settings.json and ran npm install to get it working.

'npm start' command fails to run my Nodejs API and gives below error

I clone the project from GitLab -> install node_modules by "npm install -g" -> and run "npm start" command in terminal but it give some errors as below.
Error Cannot find module '../services/'
Require stack:
- /opt/projects/api_server_node/node_modules/ravepay/lib/rave.bvn.js
- /opt/projects/api_server_node/node_modules/ravepay/index.js
- /opt/projects/api_server_node/services/flutterwaveService.js
- /opt/projects/api_server_node/controllers/flutterwaveController.js
- /opt/projects/api_server_node/controllers/bookingController.js
- /opt/projects/api_server_node/routes/booking.js
- /opt/projects/api_server_node/index.js
Error: Cannot find module '../services/'
Require stack:
- /opt/projects/api_server_node/node_modules/ravepay/lib/rave.bvn.js
- /opt/projects/api_server_node/node_modules/ravepay/index.js
- /opt/projects/api_server_node/services/flutterwaveService.js
- /opt/projects/api_server_node/controllers/flutterwaveController.js
- /opt/projects/api_server_node/controllers/bookingController.js
- /opt/projects/api_server_node/routes/booking.js
- /opt/projects/api_server_node/index.js
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:1029:15)
at Function.Module._load (internal/modules/cjs/loader.js:898:27)
at Module.require (internal/modules/cjs/loader.js:1089:19)
at require (internal/modules/cjs/helpers.js:73:18)
at Object.<anonymous>
(/opt/projects/api_server_node/node_modules/ravepay/lib/rave.bvn.js:2:22)
at Module._compile (internal/modules/cjs/loader.js:1200:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1220:10)
at Module.load (internal/modules/cjs/loader.js:1049:32)
at Function.Module._load (internal/modules/cjs/loader.js:937:14)
at Module.require (internal/modules/cjs/loader.js:1089:19)
at require (internal/modules/cjs/helpers.js:73:18)
at Object.<anonymous> (/opt/projects/api_server_node/node_modules/ravepay/index.js:17:11)
at Module._compile (internal/modules/cjs/loader.js:1200:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1220:10)
at Module.load (internal/modules/cjs/loader.js:1049:32)
at Function.Module._load (internal/modules/cjs/loader.js:937:14)
at Module.require (internal/modules/cjs/loader.js:1089:19)
at require (internal/modules/cjs/helpers.js:73:18)
at Object.<anonymous> (/opt/projects/api_server_node/services/flutterwaveService.js:16:17)
at Module._compile (internal/modules/cjs/loader.js:1200:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1220:10)
at Module.load (internal/modules/cjs/loader.js:1049:32)
at Function.Module._load (internal/modules/cjs/loader.js:937:14)
at Module.require (internal/modules/cjs/loader.js:1089:19)
at require (internal/modules/cjs/helpers.js:73:18)
at Object.<anonymous>
(/opt/projects/api_server_node/controllers/flutterwaveController.js:28:20)
at Module._compile (internal/modules/cjs/loader.js:1200:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1220:10)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! bookadabra_api#1.0.0 start: `node ./index.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the bookadabra_api#1.0.0 start script.
npm ERR! This is probably not a problem with npm. The`enter code here`re is likely
additional logging output above.```
screeshot of the error (https://prnt.sc/vpykry)

TL;DR: Downgrade the ravepay module from 1.3.0 to 1.2.4, but do take time to read the WARNING paragraph below first.
The stack trace indicates that your issue is in the ravepay module. Trying to use a plain installation of ravepay resulted in a similar error to what you're seeing for every version of Node.js I tried (15.x, 14.x, 12.x, and 10.x--all the versions currently supported by the Node.js project at the time of this writing).
There's no information about Node.js version support for ravepay, or at least not that I can find as of this writing. However, looking at their GitHub Action at the time of this writing reveals that they use Node.js 12.x. But using 12.x didn't help.
The current version of ravepay is 1.3.0. Downgrading to 1.2.4 fixes the issue.
$ node -v
v15.3.0
$ npm -v
7.0.14
$ npm install ravepay
npm WARN deprecated har-validator#5.1.5: this library is no longer supported
npm WARN deprecated request#2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
added 61 packages, and audited 61 packages in 3s
2 packages are looking for funding
run `npm fund` for details
2 high severity vulnerabilities
Some issues need review, and may require choosing
a different dependency.
Run `npm audit` for details.
$ npm ls ravepay
temp# /Users/trott/temp
└── ravepay#1.3.0
$ node -e "require('ravepay')"
node:internal/modules/cjs/loader:922
throw err;
^
Error: Cannot find module '../services/'
Require stack:
- /Users/trott/temp/node_modules/ravepay/lib/rave.bvn.js
- /Users/trott/temp/node_modules/ravepay/index.js
- /Users/trott/temp/[eval]
at Function.Module._resolveFilename (node:internal/modules/cjs/loader:919:15)
at Function.Module._load (node:internal/modules/cjs/loader:763:27)
at Module.require (node:internal/modules/cjs/loader:991:19)
at require (node:internal/modules/cjs/helpers:92:18)
at Object.<anonymous> (/Users/trott/temp/node_modules/ravepay/lib/rave.bvn.js:2:22)
at Module._compile (node:internal/modules/cjs/loader:1102:14)
at Object.Module._extensions..js (node:internal/modules/cjs/loader:1131:10)
at Module.load (node:internal/modules/cjs/loader:967:32)
at Function.Module._load (node:internal/modules/cjs/loader:807:14)
at Module.require (node:internal/modules/cjs/loader:991:19) {
code: 'MODULE_NOT_FOUND',
requireStack: [
'/Users/trott/temp/node_modules/ravepay/lib/rave.bvn.js',
'/Users/trott/temp/node_modules/ravepay/index.js',
'/Users/trott/temp/[eval]'
]
}
$ npm install ravepay#1.2.4
changed 1 package, and audited 61 packages in 1s
2 packages are looking for funding
run `npm fund` for details
2 high severity vulnerabilities
Some issues need review, and may require choosing
a different dependency.
Run `npm audit` for details.
$ npm ls
temp# /Users/trott/temp
└── ravepay#1.2.4
$ node -e "require('ravepay')"
$
WARNING: Even though that "fixes" the problem, those high severity audit warnings are not a reassuring sign on a credit card payment library. The ravepay module is relatively lightly used (227 weekly downloads at the time of this writing) and was last published a year ago (at the time of this writing). It is probably not much actively maintained and there is not evidence of a user base large enough to frequently surface simple issues like this and make solutions readily available to a user community. If you continue down this path, you may experience more problems like this. Be prepared.
EDIT: Oh yeah, and as #Andrei Ionita notes in their answer, don't install the project dependencies with the -g flag.

Try clearing your globally installed packages and installing the project without the -g flag.

NPM: Cannot find module '../lib/utils/unsupported.js'

I'm getting the following error when trying to do anything with npm:
internal/modules/cjs/loader.js:638
throw err;
^
Error: Cannot find module '../lib/utils/unsupported.js'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:636:15)
at Function.Module._load (internal/modules/cjs/loader.js:562:25)
at Module.require (internal/modules/cjs/loader.js:690:17)
at require (internal/modules/cjs/helpers.js:25:18)
at /usr/local/lib/node_modules/npm/bin/npm-cli.js:19:21
at Object.<anonymous> (/usr/local/lib/node_modules/npm/bin/npm-cli.js:153:3)
at Module._compile (internal/modules/cjs/loader.js:776:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
at Module.load (internal/modules/cjs/loader.js:653:32)
at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
I can't run npx create-react-app or any npm commands including uninstalling or updating npm. Yesterday I installed yarn, could that be part of the problem? I also updated my Mac to Catalina 10.15.5 recently. I'm not sure if either/both of these caused the npm issue or not.
What's causing this and how can I fix it?

Found a solution. A modified version of this answer worked.
I ran:
brew uninstall --force node
sudo rm -r /usr/local/lib/node_modules
brew install node
and that did the trick.

I installed Node.js but I can't use npm on windows

I have installed node.js. Node seems to be working properly, however, npm is not being found, as you can see below.
C:\Users\jpdrc>node -v
v6.5.0
C:\Users\jpdrc>node hello.js
node is installed!
C:\Users\jpdrc>npm -v
module.js:457
throw err;
^
Error: Cannot find module 'strip-ansi'
at Function.Module._resolveFilename (module.js:455:15)
at Function.Module._load (module.js:403:25)
at Module.require (module.js:483:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (C:\Users\jpdrc\AppData\Roaming\npm\node_modules\npm\node_modules\npmlog\node_modules\gauge\node_modules\string-width\index.js:2:17)
at Module._compile (module.js:556:32)
at Object.Module._extensions..js (module.js:565:10)
at Module.load (module.js:473:32)
at tryModuleLoad (module.js:432:12)
at Function.Module._load (module.js:424:3)
I have tried multiple solutions as the ones presented:
1- Windows -installed node.js but npm not found
2- Installing Node.js (and npm) on Windows 10
I have no idea what to try next
Thanks for the assistance
Here are my variables under path
As suggested below I have used where npm
C:\Users\jpdrc>where npm
C:\Program Files\nodejs\npm
C:\Program Files\nodejs\npm.cmd

Steps for solving the above issue:
Check that you have added the path of node in environment variable "path"
If it is there then check that npm is there in the directory which you have added in the path.
If npm is there in the required folder then go to CMD and then go to directory where npm is installed and try to run the version command again. If still you are getting the same issue then there could be two possibilities:
a. Installation is incorrect, try installing again
b. There could be proxy issue due to which packages are not getting downloaded
There cannot be any other issue.

You should be able to run the npm -v in the git bash terminal window. If you don't even have the git-bash app, then download and install git on your Windows.