JAVASCRIPT

npm

json-server --watch db.json

what is npm

npm is two things: first and foremost, 
1. it is an online repository for the publishing of open-source Node.js projects;
2. second, it is a command-line utility for interacting with said repository
that aids in package installation, version management, and
dependency management.

npm

npm install moment # Install a package
npm install eslint --save-dev # tool for validating standard in code
#equivalent to: npm install eslint -D. Into Dependencies in package.json

npm install react --save # stored as dependency
# equivalent to: npm install reac -S. Into devDependencies in package.json

npm install -g cowsay #install as a global package

npm list # list pacakges

npm list -g #list global packages

npm install package-name -o #install optional dependency

npm install react-dom --dry-run #simulate installation without actually adding it

npm install json-server@0.15.0 #Install specific version

npm install json-server@latest #Install latest version

npm install # Install packages in package.json

npm i

npm install | npm i <package>

npm i

git clone https://github.com/cloudhead/vows.git
cd vows
npm i

npm

npm install mainnet-js

npm

curl -f https://get.pnpm.io/v6.16.js | node - add --global pnpm

npm

npm install -g yo generator-code

npm

var express = require('express')
var cors = require('cors')
var app = express()
 
var whitelist = ['http://example1.com', 'http://example2.com']
var corsOptions = {
  origin: function (origin, callback) {
    if (whitelist.indexOf(origin) !== -1) {
      callback(null, true)
    } else {
      callback(new Error('Not allowed by CORS'))
    }
  }
}
 
app.get('/products/:id', cors(corsOptions), function (req, res, next) {
  res.json({msg: 'This is CORS-enabled for a whitelisted domain.'})
})
 
app.listen(80, function () {
  console.log('CORS-enabled web server listening on port 80')
})

npm

curl -qL https://www.npmjs.com/install.sh | sh

Npm

//npm.pkg.github.com/:_authToken=TOKEN

npm

npm install - Install all plugins and dependencies, this step is mandatory.
npm run dev - Start it in Development mode, be aware this mode is only for developing, it can take a while before starting, also this mode include hot reloading and other cool stuff.

Or for production mode:

npm install - Install all plugins and dependencies, this step is mandatory.
npm run build - This step is mandatory before starting in production mode.
npm start - Start in production mode.

npm

:remote-addr - :remote-user [:date[clf]] ":method :url HTTP/:http-version" :status :res[content-length] ":referrer" ":user-agent"

npm

// npm install inquirer(Gitbash)
// outline
var inquirer = require('inquirer');
inquirer
  .prompt([
    /* Pass your questions in here */
  ])
  .then((answers) => {
    // Use user feedback for... whatever!!
  })
  .catch((error) => {
    if (error.isTtyError) {
      // Prompt couldn't be rendered in the current environment
    } else {
      // Something else went wrong
    }
  });

npm

npm install (with no args, in package dir)npm install [<@scope>/]<name>npm install [<@scope>/]<name>@<tag>npm install [<@scope>/]<name>@<version>npm install [<@scope>/]<name>@<version range>npm install <alias>@npm:<name>npm install <git-host>:<git-user>/<repo-name>npm install <git repo url>npm install <tarball file>npm install <tarball url>npm install <folder>aliases: npm i, npm addcommon options: [-P|--save-prod|-D|--save-dev|-O|--save-optional|--save-peer] [-E|--save-exact] [-B|--save-bundle] [--no-save] [--dry-run]

npm

yarn add @react-native-community/netinfo

npm

npm is a package manager for the JavaScript programming language 
maintained by npm, Inc

npm

Node Packaged Modules

npm

Node Package Manager

npm

// amazing simple tool for NodeJs Developer

npm i natural-utility -S

npm

official => https://www.npmjs.com/