I incorporated a CSS file from another HTML document. What do you think about that?

In my work with Ionic 3 and angular 4, each HTML file is accompanied by its own CSS file. There are times when I reference a class in one HTML file that is defined in another HTML file. I have observed that this CSS class gets injected into the main.js

Here is an example of the structure:
page1.hmtl
page1.css
page1.ts

page2.html
page2.css
page2.ts

I have referenced a CSS class from page1.css in page2.html.

My question is: Does this behavior depend on the order in which the ts files are declared in the app.module.ts?

page1 {
    .marginForEmplacement{
      margin-left: -5px!important;
    }
}

page2.html

<div class="marginForEmplacement"> some text </div>
htmlcssangulartypescriptionic3

Answer №1

Why complicate things when it's so easy? The Ionic team has provided the app.scss file for a reason. Simply add your shared or global CSS styles to that file and use them throughout your app. It's as simple as that, right?

app.scss

.marginForEmplacement {
   margin-left: -5px;
}

page2.html

<div class="marginForEmplacement"> some text </div>

Answer №2

The inquiry lacks clarity, however, it is worth noting that an Angular component has the capability to import multiple style sheets into its structure using the styleUrls property. These imported styles will take precedence over any globally defined stylesheets. One possible reason for the issue at hand could be related to this behavior. For more information, refer to the official documentation.

@Component({
   selector: 'app-root',
   template: `
     <h1 class="sheet1-h1-header'>Tour of Heroes</h1>
     <app-hero-main [hero]="hero" class="sheet2-wrapper'></app-hero-main>
   `,
   styleUrls: ['./sheet1.css',  './sheet2.css']
})
export class HeroAppComponent {
/* . . . */
}

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