TypeScript date-fns.startOfMinute函数代码示例

    }).map((entry: WeekViewEvent) => {
        const startOfView: Date = dateFns.setMinutes(dateFns.setHours(dateFns.startOfDay(entry.event.start), dayStart.hour), dayStart.minute);
        const endOfView: Date = dateFns.setMinutes(dateFns.setHours(dateFns.startOfMinute(dateFns.endOfDay(entry.event.start)), dayEnd.hour), dayEnd.minute);

        const eventStart: Date = entry.event.start;
        const eventEnd: Date = entry.event.end || eventStart;

        const hourHeightModifier: number = (hourSegments * segmentHeight) / MINUTES_IN_HOUR;

        if (eventStart > startOfView) {
            entry.top += dateFns.differenceInMinutes(eventStart, startOfView);
        }

        entry.top *= hourHeightModifier;

        const startsBeforeDay: boolean = eventStart < startOfView;
        const endsAfterDay: boolean = eventEnd > endOfView;

        const startDate: Date = startsBeforeDay ? startOfView : eventStart;
        const endDate: Date = endsAfterDay ? endOfView : eventEnd;

        let height: number = dateFns.differenceInMinutes(endDate, startDate);

        if (!entry.event.end) {
            height = segmentHeight;
        } else {
            height *= hourHeightModifier;
        }

        entry.height = height;

        return entry;
    });

export function getDayViewHourGrid(
    { viewDate, hourSegments, dayStart, dayEnd }:
        { viewDate: Date, hourSegments: number, dayStart: any, dayEnd: any }
): DayViewHour[] {

    const hours: DayViewHour[] = [];

    const startOfView: Date = dateFns.setMinutes(dateFns.setHours(dateFns.startOfDay(viewDate), dayStart.hour), dayStart.minute);
    const endOfView: Date = dateFns.setMinutes(dateFns.setHours(dateFns.startOfMinute(dateFns.endOfDay(viewDate)), dayEnd.hour), dayEnd.minute);
    const segmentDuration: number = MINUTES_IN_HOUR / hourSegments;
    const startOfViewDay: Date = dateFns.startOfDay(viewDate);

    for (let i: number = 0; i < HOURS_IN_DAY; i++) {
        const segments: DayViewHourSegment[] = [];
        for (let j: number = 0; j < hourSegments; j++) {
            const date: Date = dateFns.addMinutes(dateFns.addHours(startOfViewDay, i), j * segmentDuration);
            if (date >= startOfView && date < endOfView) {
                segments.push({
                    date,
                    isStart: j === 0
                });
            }
        }
        if (segments.length > 0) {
            hours.push({ segments });
        }
    }

    return hours;
}

  return events.filter((event) => {
    const eventStart: Date = event.start;
    const eventEnd: Date = event.end || eventStart;

    const startOfView: Date = dateFns.setMinutes(dateFns.setHours(dateFns.startOfDay(eventStart), dayStart.hour), dayStart.minute);
    const endOfView: Date = dateFns.setMinutes(dateFns.setHours(dateFns.startOfMinute(eventStart), dayEnd.hour), dayEnd.minute);

    return dateFns.isAfter(eventEnd, startOfView) && dateFns.isBefore(eventStart, endOfView);
  });

  async(inject([MatDialog, MatDialogRef], (dialogSpy: MatDialog, dialogRef: MatDialogRef<any>) => {
    const now = new Date();
    const startTime = format(getTime(startOfMinute(now)), 'HH:mm');
    const endTime = format(getTime(addHours(startOfMinute(now), 1)), 'HH:mm');
    const lesson: Lesson = {
      id: 0,
      date: now,
      startTime: startTime,
      endTime: endTime,
      lessonAttendees: [],
      status: 'active'
    };

    component.addLesson(now);
    expect(dialogSpy.open).toHaveBeenCalledWith(LessonEditorComponent, {
      autoFocus: false,
      data: lesson
    });
    dialogRef.afterClosed().subscribe((result) => expect(result).toBeTruthy());
    dialogRef.close(lesson);
  })));

export function getDayView({ events = [], viewDate, hourSegments, dayStart, dayEnd, eventWidth, segmentHeight }: GetDayViewArgs): DayView {
  if (!events) {
    events = [];
  }

  const startOfView: Date = dateFns.setMinutes(dateFns.setHours(dateFns.startOfDay(viewDate), dayStart.hour), dayStart.minute);
  const endOfView: Date = dateFns.setMinutes(
    dateFns.setHours(dateFns.startOfMinute(dateFns.endOfDay(viewDate)), dayEnd.hour),
    dayEnd.minute,
  );
  const previousDayEvents: DayViewEvent[] = [];

  const dayViewEvents: DayViewEvent[] = getEventsInTimeRange(
    getEventsInPeriod({
      events: events.filter((event: CalendarEvent) => !event.allDay),
      periodStart: startOfView,
      periodEnd: endOfView,
    }),
    dayStart,
    dayEnd,
  )
    .sort((eventA: CalendarEvent, eventB: CalendarEvent) => {
      return eventA.start.valueOf() - eventB.start.valueOf();
    })
    .map((event: CalendarEvent) => {
      const eventStart: Date = event.start;
      const eventEnd: Date = event.end || eventStart;
      const startsBeforeDay: boolean = eventStart < startOfView;
      const endsAfterDay: boolean = eventEnd > endOfView;
      const hourHeightModifier: number = (hourSegments * segmentHeight) / MINUTES_IN_HOUR;

      let top: number = 0;

      if (eventStart > startOfView) {
        top += dateFns.differenceInMinutes(eventStart, startOfView);
      }

      top *= hourHeightModifier;

      const startDate: Date = startsBeforeDay ? startOfView : eventStart;
      const endDate: Date = endsAfterDay ? endOfView : eventEnd;

      let height: number = dateFns.differenceInMinutes(endDate, startDate);

      if (!event.end) {
        height = segmentHeight;
      } else {
        height *= hourHeightModifier;
      }

      const bottom: number = top + height;

      const overlappingPreviousEvents: DayViewEvent[] = previousDayEvents.filter((previousEvent: DayViewEvent) => {
        const previousEventTop: number = previousEvent.top;
        const previousEventBottom: number = previousEvent.top + previousEvent.height;

        if (top < previousEventBottom && previousEventBottom < bottom) {
          return true;
        } else if (previousEventTop <= top && bottom <= previousEventBottom) {
          return true;
        }

        return false;
      });

      let left: number = 0;

      while (overlappingPreviousEvents.some((previousEvent) => previousEvent.left === left)) {
        left += eventWidth;
      }

      const dayEvent: DayViewEvent = {
        event,
        height,
        width: eventWidth,
        top,
        left,
        startsBeforeDay,
        endsAfterDay,
      };

      if (height > 0) {
        previousDayEvents.push(dayEvent);
      }

      return dayEvent;
    })
    .filter((dayEvent: DayViewEvent) => dayEvent.height > 0);

  const width: number = Math.max(...dayViewEvents.map((event: DayViewEvent) => event.left + event.width));
  const allDayEvents: CalendarEvent[] = getEventsInPeriod({
    events: events.filter((event: CalendarEvent) => event.allDay),
    periodStart: dateFns.startOfDay(startOfView),
    periodEnd: dateFns.endOfDay(endOfView),
  });

  return {
    events: dayViewEvents,
    width,
    allDayEvents,
//.........这里部分代码省略.........