Function useProperty

react/src/hooks.ts:123–167

(subject: string)

 * loaded, and add Error strings to shortname and description if something goes wrong.
 */
export function useProperty(subject: string): Property {
  const propertyResource = useResource(subject);

  if (propertyResource.loading) {
    return {
      subject,
      datatype: Datatype.UNKNOWN,
      shortname: 'loading',
      description: `Loading property ${subject}`,
      loading: true,
    };
  }

  if (propertyResource.error) {
    return {
      subject,
      datatype: Datatype.UNKNOWN,
      shortname: 'error',
      description:
        'Error getting Property. ' + propertyResource.getError().message,
      error: propertyResource.getError(),
    };
  }

  const datatypeUrl = propertyResource.get(urls.properties.datatype) as string;
  const datatype = datatypeFromUrl(datatypeUrl);
  const shortname = propertyResource.get(urls.properties.shortname) as string;
  const description = propertyResource.get(
    urls.properties.description,
  ) as string;
  const classType = propertyResource.get(urls.properties.classType) as string;
  const isDynamic = !!propertyResource.get(
    urls.properties.isDynamic,
  ) as boolean;

  const property: Property = {
    subject,
    datatype,
    shortname,
    description,
    classType,
    isDynamic,
  };
  return property;
}

type setValue = (val: JSONValue) => Promise<void>;