Inform the Angular2 Component regarding the creation of DOM elements that are placed outside of the

The Challenge

In my Angular2 project, I am using Swiper carousel and building it with Webpack. However, Angular2 adds random attributes like _ngcontent-pmm-6 to all elements in a component.

Swiper generates pagination elements dynamically, outside of Angular's scope. These elements do not have the same attributes as the rest of the component.

Here lies the issue: When Angular processes the CSS for a component (added via styleUrls), it includes these attributes in the selectors.

.swiper-pagination-bullet { ... }

then becomes

.swiper-pagination-bullet[_ngcontent-pmm-6] { ... }

Since the pagination is rendered outside of Angular, the new elements do not have these attributes, causing the style to not apply properly.

The Inquiry

How can I make Angular2 aware of elements created outside of its scope?

Resource

https://angular.io/docs/ts/latest/guide/component-styles.html#!#inspect-generated-css

angulartypescriptangular2-templateangular2-directives

Answer №1

After discovering a clever workaround for resolving the style issue, I realized that it didn't directly address my initial question. If anyone has the answer, I would greatly appreciate hearing it!

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

@Component({
    selector: 'custom-component',
    template: `<div class="custom">Custom Component</div>`,
    styles: ['.custom { border: orange 2px dashed; }'],
    encapsulation: ViewEncapsulation.None // Disables CSS Encapsulation for this component
})

export class CustomComponent {
    constructor() { }
}

The solution can be found at: https://example.com/angular-styling-solution

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