Method _updateSvgIcon

src/material/icon/icon.ts:445–472

Sets a new SVG icon with a particular name.

(rawName: string | undefined)

  /** Sets a new SVG icon with a particular name. */
  private _updateSvgIcon(rawName: string | undefined) {
    this._svgNamespace = null;
    this._svgName = null;
    this._currentIconFetch.unsubscribe();

    if (rawName) {
      const [namespace, iconName] = this._splitIconName(rawName);

      if (namespace) {
        this._svgNamespace = namespace;
      }

      if (iconName) {
        this._svgName = iconName;
      }

      this._currentIconFetch = this._iconRegistry
        .getNamedSvgIcon(iconName, namespace)
        .pipe(take(1))
        .subscribe(
          svg => this._setSvgElement(svg),
          (err: Error) => {
            const errorMessage = `Error retrieving icon ${namespace}:${iconName}! ${err.message}`;
            this._errorHandler.handleError(new Error(errorMessage));
          },
        );
    }
  }
}