Method _prependPathToReferences

src/material/icon/icon.ts:403–413

* Prepends the current path to all elements that have an attribute pointing to a `FuncIRI` * reference. This is required because WebKit browsers require references to be prefixed with * the current path, if the page has a `base` tag.

(path: string)

   * the current path, if the page has a `base` tag.
   */
  private _prependPathToReferences(path: string) {
    const elements = this._elementsWithExternalReferences;

    if (elements) {
      elements.forEach((attrs, element) => {
        attrs.forEach(attr => {
          element.setAttribute(attr.name, `url('${path}#${attr.value}')`);
        });
      });
    }
  }

  /**
   * Caches the children of an SVG element that have `url()`