"Enhancing User Experience with Angular 2: Customizing Component Selection and Sty

Question

"Enhancing User Experience with Angular 2: Customizing Component Selection and Sty

I am currently working on an Angular application that fetches a configuration file in .json format. My goal is to dynamically choose components and apply inline styles to them.

Below is an example of the structure of the configuration data obtained from an HTTP request:

For instance;

var config = [
  {
    name: "header-component",
    styles: "margin:0;padding:0;background:black"
  }
]

<div *ngFor="let conf of config">
  <{{conf.name}} style="{{conf.styles}}"></{{conf.name}}>
</div>

Do you have any suggestions on how I can make this work, or do you recommend an alternative approach?

angular typescript angular2-components

Answer 1

Answer №1

angular doesn't bind var variables to the DOM. Utilize it in this manner

config :{ name: string, styles: string }[]= [
  {
    name: "header-component",
    styles: "margin:0;padding:0;background:black"
  }
]

updated

You can create a @pipe and bind the HTML. Modify the JSON like this.

config :{ name: string, styles: string, html : string }[]= [
      {
        name: "header-component",
        styles: "margin:0;padding:0;background:black",
        html : "<{{conf.name}} ngStyle='[conf.styles]'></{{conf.name}}>"
      }
]

Add this pipe to your code

@Pipe({name: 'safeHtml'})
export class Safe {
  constructor(private sanitizer:Sanitizer){}

  transform(style) {
    return this.sanitizer.bypassSecurityTrustStyle(style);
    // return this.sanitizer.bypassSecurityTrustHtml(style);
    // return this.sanitizer.bypassSecurityTrustXxx(style); - see docs
  }
}

Call the pipe in the HTML

<div *ngFor="let conf of config">
  <div [innerHTML]="conf.html | safeHtml"></div>
</div>

Answer 2

angular doesn't bind var variables to the DOM. Utilize it in this manner

config :{ name: string, styles: string }[]= [
  {
    name: "header-component",
    styles: "margin:0;padding:0;background:black"
  }
]

updated

You can create a @pipe and bind the HTML. Modify the JSON like this.

config :{ name: string, styles: string, html : string }[]= [
      {
        name: "header-component",
        styles: "margin:0;padding:0;background:black",
        html : "<{{conf.name}} ngStyle='[conf.styles]'></{{conf.name}}>"
      }
]

Add this pipe to your code

@Pipe({name: 'safeHtml'})
export class Safe {
  constructor(private sanitizer:Sanitizer){}

  transform(style) {
    return this.sanitizer.bypassSecurityTrustStyle(style);
    // return this.sanitizer.bypassSecurityTrustHtml(style);
    // return this.sanitizer.bypassSecurityTrustXxx(style); - see docs
  }
}

Call the pipe in the HTML

<div *ngFor="let conf of config">
  <div [innerHTML]="conf.html | safeHtml"></div>
</div>

"Enhancing User Experience with Angular 2: Customizing Component Selection and Sty

Answer №1

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