Method getResourceAsync

lib/src/store.ts:184–191

* Gets a resource by URL. Fetches and parses it if it's not available in the * store. Not recommended to use this for rendering, because it might cause * resources to be fetched multiple times.

(subject: string)

   * resources to be fetched multiple times.
   */
  async getResourceAsync(subject: string): Promise<Resource> {
    const found = this.resources.get(subject);
    if (found == undefined) {
      const newR = await this.fetchResource(subject);
      return newR;
    }
    return found;
  }

  /** Gets a property by URL. */
  async getProperty(subject: string): Promise<Property> {