Eslint does not work on local system - javascript

I try to set up eslint for my project. When i run eslint --init the following error returns:
/usr/lib/node_modules/eslint/lib/cli.js:18
let fs = require("fs"),
^^^
SyntaxError: Unexpected strict mode reserved word
at exports.runInThisContext (vm.js:73:16)
at Module._compile (module.js:443:25)
at Object.Module._extensions..js (module.js:478:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object.<anonymous> (/usr/lib/node_modules/eslint/bin/eslint.js:29:11)
at Module._compile (module.js:460:26)
at Object.Module._extensions..js (module.js:478:10)
I have installed eslint with sudo npm install -g eslint

So I installed node by sudo apt-get install node. This installed a version that did not support eslint. After installing NodeJS by running
curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash -
sudo apt-get install nodejs
After upgrading from 0.12.15 to 4.4.7 eslint worked!

Related

Node server.js not responding and thows error message

I am starts working on expressJs nodeJs but stuck at a beginning point to run the node server.js command. I think any module is missing to install but i`m not recognize which one is missing.Im working on linux(ubuntu) operating system. Please help me to out this problem.
iron#iron-System-Product-Name:/media/iron/1d6c195f-2350-423c-a3f0-0500c92e580a/admin-panel/node-admin-master$ node server.js
module.js:442
throw err;
^
Error: Cannot find module '/media/iron/1d6c195f-2350-423c-a3f0-0500c92e580a/admin-panel/node-admin-master/config/env/undefined'
at Function.Module._resolveFilename (module.js:440:15)
at Function.Module._load (module.js:388:25)
at Module.require (module.js:468:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (/media/iron/1d6c195f-2350-423c-a3f0-0500c92e580a/admin-panel/node-admin-master/config/routes.js:6:14)
at Module._compile (module.js:541:32)
at Object.Module._extensions..js (module.js:550:10)
at Module.load (module.js:458:32)
at tryModuleLoad (module.js:417:12)
at Function.Module._load (module.js:409:3)
at Module.require (module.js:468:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (/media/iron/1d6c195f-2350-423c-a3f0-0500c92e580a/admin-panel/node-admin-master/server.js:14:13)
at Module._compile (module.js:541:32)
at Object.Module._extensions..js (module.js:550:10)
at Module.load (module.js:458:32)
Node Version: v6.2.2
Npm version: 3.9.5
it take undefined of variable which may you declare in config/env/undefined.
Please check your env file or if possible share with me .
Thanks
With the error, i suspect you are missing iron-node module.
To simply install in project, run
npm i iron-node
to install and save it in the project's package.json, run:
npm i iron-node --save
to install it in your computer, do:
npm i -g iron-node
However, since this is a development dependency, you should install it as one and save it in package.json, by:
npm i iron-node -D --save

"module.js:557 throw err" when running npm from terminal

when I run npm from terminal I get this error and nothing else. no npm command is working, all of them are giving the same error and I can't even install programs that are depending on nodejs.
$ npm module.js:557 throw err; ^
Error: Cannot find module 'semver'
at Function.Module._resolveFilename (module.js:555:15)
at Function.Module._load (module.js:482:25)
at Module.require (module.js:604:17)
at require (internal/module.js:11:18)
at Object. (/usr/lib/node_modules/npm/lib/utils/unsupported.js:2:14)
at Module._compile (module.js:660:30)
at Object.Module._extensions..js (module.js:671:10)
at Module.load (module.js:573:32)
at tryModuleLoad (module.js:513:12)
at Function.Module._load (module.js:505:3)
This did the trick for me (I'm using OSX)
sudo rm -rf /usr/local/lib/node_modules
sudo rm -rf ~/.npm
brew uninstall --force node
brew install node

npm build fails at webpack

I honestly dont even know what question I should be asking here, but npm run build fails
> color-organizer#1.0.0 build /home/francis/Desktop/react/chapter-
06/color-organizer
> webpack --progress
module.js:471
throw err;
^
Error: Cannot find module 'set-blocking'
at Function.Module._resolveFilename (module.js:469:15)
at Function.Module._load (module.js:417:25)
at Module.require (module.js:497:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (/home/francis/.nvm/versions/node/v5.0.0/lib/node_modules/webpack/node_modules/yargs/lib/usage.js:5:21)
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
node -v gives me
v6.11.0
so its weird that i see 5 in this error log. I do need to note that i was running on 5 before, and just recently upgraded to 6.11 in the middle of this problem
i'm on ubuntu 16.04
i'm just trying to follow these examples https://github.com/MoonHighway/learning-react/ and start a server for 6, but i can't
and its pissing me off
Running npm install fixed the error for me using the latest versions. Otherwise you may try the command npm install set-blocking or npm install set-blocking --save-dev to only install the module as a developer dependency.

Angular Cli ng serve don't work

When I try to run ng serve
I got this error :
The "#angular/compiler-cli" package was not properly installed. Error:
TypeError
: Object prototype may only be an Object or null: undefined
Error: The "#angular/compiler-cli" package was not properly installed.
Error: Ty
peError: Object prototype may only be an Object or null: undefined
at Object.<anonymous> (C:\Users\Mounadi\angular2-quickstart\node_modules\#ng
tools\webpack\src\index.js:14:11)
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
at Module.require (module.js:497:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (C:\Users\Mounadi\angular2-quickstart\node_modules\#an
gular\cli\tasks\eject.js:10:19)
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
at Module.require (module.js:497:17)
at require (internal/module.js:20:19)
I tried to uninstall #angular/cli and install #angular/cli#latest and I got the same error
Follow the below steps to start with angular CLI.
First update node version:
So, first check your node version by typing command node -v.
If node version is lower than 6.x.x then update it because angular CLI requires node version to be higher than 6.x.x. To update node version run the below command.
nvm install <new version> --reinstall-packages-from=<old version>
Ex: nvm install 7.10.0 --reinstall-packages-from=5.1.0
Then run command: nvm use 7.10.0
After this run command npm install -g #angular/cli to install Angular CLI.
Then ng new my-new-project to create new project.
Then cd my-new-project to go inside created project directory.
And then finally ng serve to run your app.
Extra:
To update your angular 2 project into angular 4 project run below command:
* On Linux/Mac: npm install #angular/{common,compiler,compiler-cli,core,forms,http,platform-browser,platform-browser-dynamic,platform-
server,router,animations}#next --save server,router,animations}#next --save
* On Windows: npm install #angular/common#next #angular/compiler#next #angular/compiler-cli#next #angular/core#next
#angular/forms#next #angular/http#next #angular/platform-browser#next #angular/platform-browser-dynamic#next
#angular/platform-server#next #angular/ router#next #angular/animations#next --save

npm --> Err: Cannot find module 'readable-stream'

I have installed node js on my windows 10 machine, and the version is v4.4.2 but when I try to run npm install or even check npm version it throwing the following error. Any help would be greatly appreciated
Error: Cannot find module 'readable-stream'
at Function.Module._resolveFilename (module.js:336:15)
at Function.Module._load (module.js:286:25)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object.<anonymous> (C:\Users\nmadasu\AppData\Roaming\npm\node_modules\npm
\node_modules\are-we-there-yet\index.js:2:14)
at Module._compile (module.js:434:26)
at Object.Module._extensions..js (module.js:452:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
Also, after reading other solutions to this problem, npm install gulp -g, npm install 'readable-stream' or any other suggestion I read and tried did not work. It appears any command I try with npm throws the error below.
Error: Cannot find module 'readable-stream'
at Function.Module._resolveFilename (module.js:336:15)
at Function.Module._load (module.js:286:25)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object.<anonymous> (C:\Users\nmadasu\AppData\Roaming\npm\node_modules\npm
\node_modules\are-we-there-yet\index.js:2:14)
at Module._compile (module.js:434:26)
at Object.Module._extensions..js (module.js:452:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
I have also tried uninstalling node and reinstalling and same issue persists.
I figured it out, when I uninstalld I did not delete all the files. There were the node/npm files in my C: directory and failed to realize there were a bunch of npm module files in my / directory. So after uninstalling and deleting all related files I reinstalled node/npm and it is now working.
After all the checks its clear you need to uninstall and re-install node:
sudo npm cache clean -f
sudo npm install -g n
sudo n stable // for stable version
sudo n 0.12.7 // for specific version like v0.12.7
// check the node version after install
node -v
If you are on windows make sure after you Uninstall node you %appdata% or C:\Users\admin\AppData\Roaming and delete all the npm folders that have been created here by your previous install.
git clone https://github.com/nodejs/readable-stream into global node_modules folder

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