Utilizing Angular to import an SVG file from a backend and incorporate its content as a template

I am looking for a solution to load an SVG date from my Spring Boot backend and utilize it as an Angular template.

Currently, the request is structured like this:

   getSVG (): Observable <any> {
     return this.http.get(`${environment.apiUrl}/path/to/svg/svg.svg`, {headers: new HttpHeaders ({'Content-Type': 'image/svg+xml'})});
   }

In my component, I call it in the following manner:

   ngOnInit () {
     this.myService.getSVG().subscribe((data) => {
       console.log('data', data);
     });
   }

The request successfully retrieves the svg file in the network tab. However, the browser console displays the following error message:

backend returned code 200, body was: [object Object]           main.js:1388:25
    intercept http://localhost:8425/main.js:1388
    error http://localhost:8425/vendor.js:223317
    onLoad http://localhost:8425/vendor.js:41005
    ...

I aim to extract the content of the SVG and utilize it within my template, such as:

my.component.svg

<svg width="400" height="110">
  <rect width="300" height="100" style="fill:rgb(0,0,255);stroke-width:3;stroke:rgb(0,0,0)" />
    ...
</svg>

Answer №1

In the realm of web development, it is important to note that defining a component in the browser becomes challenging after receiving the template from a network source. Angular components are typically compiled together with their templates at compile time. However, if you find yourself needing to incorporate dynamic SVG content, one workaround is to utilize the 'innerHtml' property once you have retrieved the SVG file via an HTTP request. For more information on dynamically inserting SVG into an element using Angular, check out this resource.

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