week-view.component.ts

  static calculateEventsWidth(groupedEvents) {
    groupedEvents.forEach((group: EventModel[]) => {
      const interactions = [];
      let topRange = group[0].data.end;
      let currentInteractionStart = 0;
      let currentInteractionCount = 0;

      group.forEach((event: EventModel, idx: number) => {
        let nextEvent = group[idx +1];

        if (!nextEvent) {
          return;
        }

        if (topRange > nextEvent.data.start) {
          currentInteractionCount++;

          if (nextEvent.data.end > topRange) {
            topRange = nextEvent.data.end;
          }

          for (let i = currentInteractionStart; i <= idx + 1; i++) {
              interactions[i] = {
                count: currentInteractionCount,
                offset: i - currentInteractionStart
              }

          }

        } else {
          currentInteractionStart = idx+1;
          topRange = group[idx + 1].data.end;
          currentInteractionCount = 0;
        }

      });

      interactions.forEach((value, idx) => {
        group[idx].interactions = value;
      });

    });
  }