#INSTALL NODE JS MAC PACKAGE MANAGER UPDATE#
The following command will update the existing ExpressJS module to the latest version. To update the package installed locally in your Node.js project, navigate the command prompt or terminal window path to the project folder and write the following update command.
#INSTALL NODE JS MAC PACKAGE MANAGER INSTALL#
For example, the following command will install ExpressJS globally. NPM installs global packages into //local/lib/node_modules folder.Īpply -g in the install command to install package globally. NPM can also install packages globally so that all the node.js application on that computer can import and use the installed packages.
The package.json of NodejsConsoleApp project will look something like below. Use -save at the end of the install command to add dependency entry into package.json of your application.įor example, the following command will install ExpressJS in your application and also adds dependency entry into the package.json.Ĭ:\MyNodeProj> npm install express -save The above command will create ExpressJS folder under node_modules folder in the root folder of your project and install Express.js there. Use the following command to install any third party module in your local Node.js project folder.įor example, the following command will install ExpressJS into MyNodeProj folder.Īll the modules installed using NPM are installed under node_modules folder. In the global mode, NPM performs operations which affect all the Node.js applications on the computer whereas in the local mode, NPM performs operations for the particular local directory which affects an application in that directory only. NPM performs the operation in two modes: global and local. To access NPM help, write npm help in the command prompt or terminal window. If you have an older version of NPM then you can update it to the latest version using the following command. After you install Node.js, verify NPM installation by writing the following command in terminal or command prompt. NPM is included with Node.js installation.
It has now become a popular package manager for other open-source JavaScript frameworks like AngularJS, jQuery, Gulp, Bower etc.
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