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Angular CLI – ng serve Command ”; Previous Next This chapter explains the syntax, argument and options of ng serve command along with an example. Syntax The syntax for ng serve command is as follows − ng serve <project> [options] ng s <project> [options] ng serve command builds and serve the application. It rebuilds the application if changes occur. Here project is the name of the application as defined in angular.json. Arguments The argument for ng serve command is as follows − Sr.No. Argument & Syntax Description 1 <project> The name of the project to build. Can be an application or a library. Options Options are optional parameters. Sr.No. Option & Syntax Description 1 –allowedHosts Whitelist of hosts that are allowed to access the dev server. 2 –aot=true|false Build using Ahead of Time compilation. 3 –baseHref=baseHref Base url for the application being built. 4 –buildEventLog=buildEventLog EXPERIMENTAL Output file path for Build Event Protocol events 5 –commonChunk=true|false Use a separate bundle containing code used across multiple bundles. 6 –configuration=configuration A named build target, as specified in the “configurations” section of angular.json. Each named target is accompanied by a configuration of option defaults for that target. Setting this explicitly overrides the “–prod” flag. Aliases: -c 7 –deployUrl=deployUrl URL where files will be deployed. 8 –disableHostCheck=true|false Don”t verify connected clients are part of allowed hosts. Default: false 9 –help=true|false|json|JSON Shows a help message for this command in the console. Default: false 10 –hmr=true|false Enable hot module replacement. Default: false 11 –hmrWarning=true|false Show a warning when the –hmr option is enabled. Default: true 12 –host=host Host to listen on. Default: localhost 13 –liveReload=true|false Whether to reload the page on change, using live-reload. Default: true 14 –open=true|false Opens the url in default browser. Default: false Aliases: -o 15 –optimization=true|false Enables optimization of the build output. 16 –poll Enable and define the file watching poll time period in milliseconds. 17 –port Port to listen on. Default: 4200 18 –prod=true|false Shorthand for “–configuration=production”. When true, sets the build configuration to the production target. By default, the production target is set up in the workspace configuration such that all builds make use of bundling, limited tree-shaking, and also limited dead code elimination. 19 –progress=true|false Log progress to the console while building. 20 –proxyConfig=proxyConfig Proxy configuration file. 21 –publicHost=publicHost The URL that the browser client (or live-reload client, if enabled) should use to connect to the development server. Use for a complex dev server setup, such as one with reverse proxies. 22 –servePath=servePath The pathname where the app will be served. 23 –servePathDefaultWarning=true|false Show a warning when deploy-url/base-href use unsupported serve path values. Default: true 24 –sourceMap=true|false Output sourcemaps. 25 –ssl=true|false Serve using HTTPS. Default: false 26 –sslCert=sslCert SSL certificate to use for serving HTTPS. 27 –sslKey=sslKey SSL key to use for serving HTTPS. 28 –vendorChunk=true|false Use a separate bundle containing only vendor libraries. 29 –verbose=true|false Adds more details to output logging. 30 –watch=true|false Rebuild on change. Default: true First move to an angular project updated using ng build command and then run the command.The chapter is available at https://www.tutorialspoint.com/angular_cli/angular_cli_ng_build.htm. Example An example for ng serve command is given below − >Node>TutorialsPoint> ng serve chunk {main} main.js, main.js.map (main) 14.3 kB [initial] [rendered] chunk {polyfills} polyfills.js, polyfills.js.map (polyfills) 141 kB [initial] [rendered] chunk {runtime} runtime.js, runtime.js.map (runtime) 6.15 kB [entry] [rendered] chunk {styles} styles.js, styles.js.map (styles) 12.4 kB [initial] [rendered] chunk {vendor} vendor.js, vendor.js.map (vendor) 3 MB [initial] [rendered] Date: 2020-06-04T04:01:47.562Z – Hash: a90c5fc750c475cdc4d1 – Time: 10164ms ** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ ** : Compiled successfully. Here ng serve command has built and serve our project TutorialsPoint successfully.Now open http://localhost:4200 in a browser window and verify the output. Print Page Previous Next Advertisements ”;