specials-service.ts

export class SpecialsService {
   specials: [Special] = [{} as Special];
   ...

   async deleteStaleSpecials() {
     try {
       this.specials.forEach(async (special) => {
         if (special.stale) {
           await this.deleteSpecial(special);
         }
       });
     } catch (err) {
       console.error('An error occurred deleting a special', err);
     }
   }
}