A guide on parsing a stringified HTML and connecting it to the DOM along with its attributes using Angular

Looking for a solution:

"<div style="text-align: center;"><b style="color: rgb(0, 0, 0); font-family: "Open Sans", Arial, sans-serif; text-align: justify;">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque sit amet vestibulum eros, ac aliquam magna. Interdum et malesuada fames ac ante ipsum primis in faucibus. In ante urna, dictum sed porta ut, consectetur eu felis. Pellentesque eleifend egestas augue, iaculis ultricies nulla volutpat at. Vivamus sagittis est eu rutrum blandit"

I have a string with multiple style attributes and I want to incorporate it into my HTML page without losing any styling properties.

The issue arises when trying to maintain all the styles, particularly the first one ("<div style="text-align: center;"). Any tips or suggestions on how to successfully integrate this string without losing any styles would be greatly appreciated.

javascriptangulartypescript

Answer №1

It appears that you have utilized the [innerHtml] directive on your HTML element in this manner:

// Your *.html template
<p [innerHTML]="myUnsafeHtmlString"></p>

// Your *.component.ts controller file
myUnsafeHtmlString: string = `<div style="text-align: center;">
<b style="color: rgb(122, 122, 122); font-family: 'Open Sans', Arial, sans-serif; text-align: justify;">Lorem ipsum...</b></div>`;

In such cases, Angular may block certain HTML attributes for security reasons. You can find more information about this in your browser developer tools under the console tab.

For further details on DomSanitizer in Angular, refer to https://angular.io/api/platform-browser/DomSanitizer

To include "unsafe" HTML content in your templates, you must explicitly use DomSanitizer. In the example provided, I have utilized @Pipe to accomplish this task, although it can also be implemented from within your component's controller.

// Your *.html template
<p [innerHTML]="myUnsafeHtmlString | safeHtml"></p>

// Your *.pipe.ts
@Pipe({ name: 'safeHtml' })
export class SafeHtmlPipe implements PipeTransform {
  constructor(private sanitized: DomSanitizer) {}
  transform(value) {
    return this.sanitized.bypassSecurityTrustHtml(value);
  }
}

// Your *.component.ts controller file
myUnsafeHtmlString: string = `<div style="text-align: center;">
<b style="color: rgb(122, 122, 122); font-family: 'Open Sans', Arial, sans-serif; text-align: justify;">Lorem ipsum...</b></div>`;

Check out the full stackblitz example here:

https://stackblitz.com/edit/angular-ivy-yxcwjb?file=src%2Fapp%2Fapp.component.html

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