Swap out the default URL in components with the global constant

Question

Swap out the default URL in components with the global constant

Could anyone offer some assistance with this task I have at hand:

Let's imagine we have a global constant 'env' that I need to use to replace template URLs in components during build time. Each component has a default template URL, but for each different 'env' constant, we need to use a different template URL. We can define a custom template URL for each component based on the 'env' constant, and if one is not defined, then the default template should be used.

For instance:

The following components use default template URLs:

AppComponent1 -> 'defaultTemplate1'

AppComponent2 -> 'defaultTemplate2'

AppComponent3 -> 'defaultTemplate3'

When the 'env' constant is set as 'env_1', I want to use the following templates:

AppComponent1 -> 'env_1Template1'

AppComponent2 -> 'env_1Template2'

AppComponent3 -> 'defaultTemplate3'

For 'env' as 'env_2', the templates needed are:

AppComponent1 -> 'env_2Template1'

AppComponent2 -> 'defaultTemplate2'

AppComponent3 -> 'env_2Template3'

javascript angular typescript webpack frontend

Answer 1

Answer №1

Without knowing much about how you've set things up currently, one suggestion might be to approach it like this:

Configuration setup (constants.ts)

export const ENVIRONMENT: string = 'env_1';

An example component (child.component.ts)

import { Component, OnInit } from '@angular/core';

import * as CONFIG from '../constant';

@Component({
  selector: 'app-child',
  templateUrl: CONFIG.ENVIRONMENT === 'env_1' ? './child.html' : './child2.html',
  styleUrls: ['./child.component.css']
})
export class ChildComponent implements OnInit {
  ...
}

In this scenario, I simply used a basic ternary operator to determine the template URL. Of course, you have the flexibility to come up with more intricate ways of deciding the URL or even pass it directly from the environment setup.

Answer 2

Without knowing much about how you've set things up currently, one suggestion might be to approach it like this:

Configuration setup (constants.ts)

export const ENVIRONMENT: string = 'env_1';

An example component (child.component.ts)

import { Component, OnInit } from '@angular/core';

import * as CONFIG from '../constant';

@Component({
  selector: 'app-child',
  templateUrl: CONFIG.ENVIRONMENT === 'env_1' ? './child.html' : './child2.html',
  styleUrls: ['./child.component.css']
})
export class ChildComponent implements OnInit {
  ...
}

In this scenario, I simply used a basic ternary operator to determine the template URL. Of course, you have the flexibility to come up with more intricate ways of deciding the URL or even pass it directly from the environment setup.

Swap out the default URL in components with the global constant

Answer №1

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