Ember.js RouterService rootURL Property

Ember.js is an open-source JavaScript framework used for developing large client-side web applications which is based on Model-View-Controller (MVC) architecture. Ember.js is one of the most widely used front-end application frameworks. It is made to speed up development and increase productivity. Currently, it is utilized by a large number of websites, including Square, Discourse, Groupon, Linked In, Live Nation, Twitch, and Chipotle.

The rootURL property of RouteService class is used by Ember.js to specify the base URL of the application. 

Syntax: 

rootURL : UrlName ; 

Values: 

• UrlName: It is the name of the base URL. 

Steps to Install and Run Ember.js:

Step 1: To run the following examples you will need to have an ember project with you. To create one, you will need to install ember-cli first. Write the below code in the terminal:

npm install ember-cli

Step 2: Now you can create the project by typing in the following piece of code:

ember new <project-name> --lang en

To start the server, type:

ember serve

Example 1: Type the following code to generate the route for this example:

ember generate route file1

app/config/environment.js

Javascript

'use strict';

module.exports = function (environment) {
    let ENV = {
        modulePrefix: 'hello',
        environment,

        // Using '/' as base url for application
        rootURL: '/',
        locationType: 'auto',
        EmberENV: {
            FEATURES: {
                // Here you can enable experimental features
                // on an ember canary build
                // e.g. EMBER_NATIVE_DECORATOR_SUPPORT: true
            },
            EXTEND_PROTOTYPES: {

                // Prevent Ember Data from
                // overriding Date.parse.
                Date: false,
            },
        },

        APP: {
            // Here you can pass flags/options
            // to your application instance
            // when it is created
        },
    };

    if (environment === 'development') {
    }

    if (environment === 'test') {

        // Testem prefers this...
        ENV.locationType = 'none';

        // keep test console output quieter
        ENV.APP.LOG_ACTIVE_GENERATION = false;
        ENV.APP.LOG_VIEW_LOOKUPS = false;

        ENV.APP.rootElement = '#ember-testing';
        ENV.APP.autoboot = false;
    }

    if (environment === 'production') {

        // Here you can enable a
        // production-specific feature
    }

    return ENV;
};

app/routes/file1.js

Javascript

import Route from '@ember/routing/route';

export default Route.extend({
    model() {
        return 'RouteService';
    },
});

app/templates/file1.hbs

HTML

{{page-title "RouteService"}}
<h1>Hello Geeks For Geeks</h1>
<h3>Explaining RouteService rootURL properties</h3>
{{outlet}}

Output: Output shows base URL is ‘/’

output1

Example 2: Type the following code to generate the route for this example:

ember generate route file2

app/config/environment.js

Javascript

'use strict';

module.exports = function (environment) {
    let ENV = {
        modulePrefix: 'hello',
        environment,

        // Using /my-app/ as base address
        rootURL: '/my-app/',
        locationType: 'auto',
        EmberENV: {
            FEATURES: {

                // Here you can enable experimental features
                // on an ember canary build
                // e.g. EMBER_NATIVE_DECORATOR_SUPPORT: true
            },
            EXTEND_PROTOTYPES: {

                // Prevent Ember Data from
                // overriding Date.parse.
                Date: false,
            },
        },

        APP: {
            // Here you can pass flags/options
            // to your application instance
            // when it is created
        },
    };

    if (environment === 'development') {
    }

    if (environment === 'test') {

        // Testem prefers this...
        ENV.locationType = 'none';

        // keep test console output quieter
        ENV.APP.LOG_ACTIVE_GENERATION = false;
        ENV.APP.LOG_VIEW_LOOKUPS = false;

        ENV.APP.rootElement = '#ember-testing';
        ENV.APP.autoboot = false;
    }

    if (environment === 'production') {
        // here you can enable a
        // production-specific feature
    }

    return ENV;
};

app/routes/file2.js

Javascript

import Route from '@ember/routing/route';
export default Route.extend({
    model() {
        return 'RouteService';
    }
});

app/templates/file2.hbs

HTML

{{page-title "RouteService"}}
<h1>Hello Geeks For Geeks</h1>
<h3>Explaining RouteService rootURL properties</h3>
{{outlet}}

Output:

output2

Reference: https://api.emberjs.com/ember/4.9/classes/RouterService/properties/rootURL?anchor=rootURL