refactor: refactor SCThingTypes from union-type to enum. SCThingType-type-attributes are now string-type-attributes.

src/core/Thing.ts

@@ -23,29 +23,31 @@ import {SCUuid} from './types/UUID';
 /**
  * Types a thing can be
  */
-export type SCThingTypes = 'article'
-  | 'academic event'
-  | 'book'
-  | 'building'
-  | 'catalog'
-  | 'course of studies'
-  | 'date series'
-  | 'diff'
-  | 'dish'
-  | 'favorite'
-  | 'floor'
-  | 'message'
-  | 'offer'
-  | 'organization'
-  | 'person'
-  | 'point of interest'
-  | 'room'
-  | 'semester'
-  | 'setting'
-  | 'sport course'
-  | 'ticket'
-  | 'tour'
-  | 'video';
+export enum SCThingType {
+  AcademicEvent = 'academic event',
+  Article = 'article',
+  Book = 'book',
+  Building = 'building',
+  Catalog = 'catalog',
+  CourseOfStudies = 'course of studies',
+  DateSeries = 'date series',
+  Diff = 'diff',
+  Dish = 'dish',
+  Favorite = 'favorite',
+  Floor = 'floor',
+  Message = 'message',
+  Offer = 'offer', // Currently not in use
+  Organization = 'organization',
+  Person = 'person',
+  PointOfInterest = 'point of interest',
+  Room = 'room',
+  Semester = 'semester',
+  Setting = 'setting',
+  SportCourse = 'sport course',
+  Ticket = 'ticket',
+  Tour = 'tour',
+  Video = 'video',
+}
 
 /**
  * A thing
@@ -84,7 +86,7 @@ export interface SCThing {
   /**
    * Type of the thing
    */
-  type: SCThingTypes;
+  type: string;
   /**
    * Universally unique identifier of the thing
    */