Skip to main content

Node Package Manager

INSTALL NODE

REFERENCE SITE


$ which node
/usr/bin/node
$ node --version
v10.15.3







$ node
> console.log('Node is running');
Node is running
> .help
.break    Sometimes you get stuck, this gets you out
.clear    Alias for .break
.editor   Enter editor mode
.exit     Exit the repl
.help     Show repl options
.load     Load JS from a file into the REPL session
.save     Save all evaluated commands in this REPL session to a file
> .exit




$ which npm
/usr/bin/npm
$ npm --version
6.4.1



Updating npm


npm install npm@latest -g




npm install --global --production npm-windows-upgrade
npm-windows-upgrade --npm-version latest





Node Packaged Modules




$ npm config list
; cli configs
user-agent = "npm/6.9.0 node/v10.15.3 linux x64"

; userconfig /home/sitepoint/.npmrc
prefix = "/home/sitepoint/.node_modules_global"

; node bin location = /usr/bin/nodejs
; cwd = /home/sitepoint
; HOME = /home/sitepoint
; "npm config ls -l" to show all defaults.














$ npm config get prefix
/usr










$ cd ~ && mkdir .node_modules_global
$ npm config set prefix=$HOME/.node_modules_global






$ npm config get prefix
/home/sitepoint/.node_modules_global
$ cat .npmrc
prefix=/home/sitepoint/.node_modules_global














npm install npm@latest -g






export PATH="$HOME/.node_modules_global/bin:$PATH"











$ which npm
/home/sitepoint/.node_modules_global/bin/npm
$ npm --version
6.9.0











Installing Packages in Global Mode




$ npm install uglify-js --global
/home/sitepoint/.node_modules_global/bin/uglifyjs -> /home/sitepoint/.node_modules_global/lib/node_modules/uglify-js/bin/uglifyjs
+ uglify-js@3.5.3
added 3 packages from 38 contributors in 3.282s











Listing Global Packages








$ npm list --global



$ npm list -g --depth=0







Installing Packages in Local Mode




$ npm init
package name: (project)
version: (1.0.0)
description: Demo of package.json
entry point: (index.js)
test command:
git repository:
keywords:
author:
license: (ISC)









Uninstalling Local Packages




$ npm uninstall underscore

$ npm list







Installing a Specific Version of a Package




$ npm install underscore@1.9.0

$ npm list






Updating a Package




$ npm outdated











Managing the Cache




$ ls ~/.npm






$ npm cache clean --force











Audit




$ npm install express@4.8.0











Aliases




    

  • npm i <package> – install local package
    • 

  • npm i -g </package><package> – install global package
    • 

  • npm un </package><package> – uninstall local package
    • 

  • npm up – npm update packages
    • 

  • npm t – run tests
    • 

  • npm ls – list installed modules
    • 

  • npm ll or npm la – print additional package information while listing modules
    • 









$ npm i express momemt lodash mongoose body-parser webpack





















Labels:





























Comments











Post a Comment























Popular posts from this blog



















SETUP REST API IN CI




























 1. Create Rest_controller.php inside controllers and paste code:   <?php  defined('BASEPATH') OR exit('No direct script access allowed');  require APPPATH . '/libraries/API_Controller.php';   class Rest_controller extends API_Controller {     public function __construct()   {    parent::__construct();   }     public function index()   {     $this->api_return(              [ 'status' => true,                 'result' => "Welcome to Testservices."               ],          200);   }  }  ?>   2. Create api.php inside config and paste code :   <?php defined('BASEPATH') OR exit('No direct script access allowed');   /**   * API Key Header Name   */  $config['api_key_header_name'] = 'X-API-KEY';    /**   * API Key GET Request Parameter Name   */  $config['api_key_get_name'] = 'key';    /**   * API Key POST Request Parameter Name  ...




















2 comments









Read more




























NGrok Setup




























 https://dashboard.ngrok.com/get-started/setup 1. Unzip to install On Linux or Mac OS X you can unzip ngrok from a terminal with the following command. On Windows, just double click ngrok.zip to extract it. unzip /path/to/ngrok.zip 2. Connect your account Running this command will add your authtoken to the default ngrok.yml configuration file. This will grant you access to more features and longer session times. Running tunnels will be listed on the endpoints page of the dashboard. ngrok config add-authtoken 1woFn9zVqcI4VeGuSIiN2VtmnPa_ZXuAuF1AAPkqApr7WVsQ 3. Fire it up Read the documentation on how to use ngrok. Try it out by running it from the command line: ngrok help To start a HTTP tunnel forwarding to your local port 80, run this next: ngrok http 80




















Post a Comment









Read more




























API ( service ) Image or Video Upload




























 ## SAVE  VIDEO  public function uploadmedia()   {     $target_path = "assets/uploads/";     $target_path = $target_path . basename($_FILES['file']['name']);       if(move_uploaded_file($_FILES['file']['tmp_name'], $target_path)) {     $this->api_return(      [ 'status' => true,         'result' => 'uploaded success'      ], 200);      }    else{     $this->api_return(      [ 'status' => false,         'result' => 'failed'      ], 20);    }         }     ## SAVE FILE IMAGE OR VIDEO   public function savefile()   {     $filetype = $_FILES['file']['type'];     if (strpos($filetype, 'image') !== false) {     $type = 'image';    }     if (strpos($filetype, 'video') !== false) {     $type = 'video';    }             $filename = trim($_FILES['file']['name']);    // $userid = trim($this->input->get('userid'));...




















Post a Comment









Read more