Snippet of creating superlatives dictionary for "Angular CDK Tables"

snippet.superlatives.table.component.ts

ngOnInit() {
  this.heroes$.subscribe(changedHeroData => {
    this.tableDataSource$.next(Object.values(changedHeroData));
    
    const superlatives = {
      'highest-attack': null,
      'lowest-attack': null,
      'highest-defense': null,
      'lowest-defense': null,
      'highest-speed': null,
      'lowest-speed': null,
      'highest-healing': null,
      'lowest-healing': null,
      'highest-recovery': null,
      'lowest-recovery': null,
      'highest-health': null,
      'lowest-health': null
    };

    Object.values(changedHeroData).forEach(hero => {
      Object.keys(hero).forEach(key => {
        if (key === 'name' || key === 'types') { return; }

        const highest = `highest-${key}`;
        if (!superlatives[highest] || hero[key] > changedHeroData[superlatives[highest]][key]) {
          superlatives[highest] = hero.name;
        }

        const lowest = `lowest-${key}`;
        if (!superlatives[lowest] || hero[key] < changedHeroData[superlatives[lowest]][key]) {
          superlatives[lowest] = hero.name;
        }
      });
    });

    this.superlatives$.next(superlatives);
  });
}