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A new Angular UI library that moving away from Bootstrap and built from scratch.

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export class CalendarUtil { static generateMonthSelectOptions(props) { const locale = props?.locale || this.DEFAULT_LOCALE; return Array.from({ length: 12 }).map((_, idx) => { let disabledByMinDate = false; if (props.minDate) { const shouldApply = props.minDate.getFullYear() === props.activeYear; if (shouldApply) disabledByMinDate = idx < props.minDate.getMonth(); } let disabledByMaxDate = false; if (props.maxDate) { const shouldApply = props.maxDate.getFullYear() === props.activeYear; if (shouldApply) disabledByMaxDate = idx > props.maxDate.getMonth(); } return { label: new Date(0, idx).toLocaleString(locale, { month: 'short' }), value: idx.toString(), disabled: disabledByMinDate || disabledByMaxDate, }; }); } static generateYearSelectOptions(props) { const numberOfYearsDisplayed = 21; const startYear = props.activeYear - Math.floor(numberOfYearsDisplayed / 2); return Array.from({ length: numberOfYearsDisplayed }, (_, i) => { const year = startYear + i; const disabledByMinDate = props.minDate ? year < props.minDate.getFullYear() : false; const disabledByMaxDate = props.maxDate ? year > props.maxDate.getFullYear() : false; return { label: year.toString(), value: year.toString(), disabled: disabledByMinDate || disabledByMaxDate, }; }); } static generateWeekdays(options) { const locale = options?.locale || this.DEFAULT_LOCALE; return Array.from({ length: 7 }).map((_, idx) => { let label = new Date(0, 0, idx + 1).toLocaleString(locale, { weekday: 'short' }); if (locale.startsWith('en')) label = label.substring(0, 2); return label; }); } static generateDates({ month, year }) { const totalDates = new Date(year, month + 1, 0).getDate(); return Array.from({ length: totalDates }).map((_, idx) => new Date(year, month, idx + 1)); } static isValidMinYear(minDate, checkedDate) { return checkedDate.getFullYear() >= minDate.getFullYear(); } static isValidMinMonth(minDate, checkedDate) { if (!this.isValidMinYear(minDate, checkedDate)) return false; const sameYear = minDate.getFullYear() === checkedDate.getFullYear(); return sameYear ? checkedDate.getMonth() >= minDate.getMonth() : true; } static isValidMinDate(minDate, checkedDate, options) { if (!this.isValidMinMonth(minDate, checkedDate)) return false; if (options?.useStrictTime) { const result = (minDate.getTime() - checkedDate.getTime()) / 1000; return result < this.oneDayInSecond; } else { return checkedDate >= minDate; } } static isValidMaxYear(maxDate, checkedDate) { return checkedDate.getFullYear() <= maxDate.getFullYear(); } static isValidMaxMonth(maxDate, checkedDate) { if (!this.isValidMaxYear(maxDate, checkedDate)) return false; const sameYear = maxDate.getFullYear() === checkedDate.getFullYear(); return sameYear ? checkedDate.getMonth() <= maxDate.getMonth() : true; } static isValidMaxDate(maxDate, checkedDate, options) { if (!this.isValidMaxMonth(maxDate, checkedDate)) return false; if (options?.useStrictTime) { const result = (checkedDate.getTime() - maxDate.getTime()) / 1000; return result <= 0; } else { return checkedDate <= maxDate; } } static isSameDate(date, anotherDate) { const sameYear = date?.getFullYear() === anotherDate?.getFullYear(); const sameMonth = date?.getMonth() === anotherDate?.getMonth(); const sameDate = date?.getDate() === anotherDate?.getDate(); return sameYear && sameMonth && sameDate; } static isInvalidMinOrMaxDate(date, minDate, maxDate, options) { const invalidMinDate = minDate ? !CalendarUtil.isValidMinDate(minDate, date, { useStrictTime: options?.useStrictTime }) : false; const invalidMaxDate = maxDate ? !CalendarUtil.isValidMaxDate(maxDate, date, { useStrictTime: options?.useStrictTime }) : false; return invalidMinDate || invalidMaxDate; } } CalendarUtil.DEFAULT_LOCALE = 'en-US'; CalendarUtil.oneDayInSecond = 60 * 60 * 24; //# 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{ DokuSelectOptionItem } from '../../select';\n\ninterface ItemOption {\n  label: string;\n  value: string;\n}\n\nexport type MonthSelectOption = ItemOption;\nexport type YearSelectOption = ItemOption;\n\nexport class CalendarUtil {\n  private static readonly DEFAULT_LOCALE = 'en-US';\n  private static oneDayInSecond = 60 * 60 * 24;\n\n  static generateMonthSelectOptions(props: {\n    activeYear: number;\n    locale?: string;\n    minDate?: Date | null;\n    maxDate?: Date | null;\n  }): DokuSelectOptionItem[] {\n    const locale = props?.locale || this.DEFAULT_LOCALE;\n\n    return Array.from({ length: 12 }).map((_, idx) => {\n      let disabledByMinDate = false;\n      if (props.minDate) {\n        const shouldApply = props.minDate.getFullYear() === props.activeYear;\n        if (shouldApply) disabledByMinDate = idx < props.minDate.getMonth();\n      }\n\n      let disabledByMaxDate = false;\n      if (props.maxDate) {\n        const shouldApply = props.maxDate.getFullYear() === props.activeYear;\n        if (shouldApply) disabledByMaxDate = idx > props.maxDate.getMonth();\n      }\n\n      return {\n        label: new Date(0, idx).toLocaleString(locale, { month: 'short' }),\n        value: idx.toString(),\n        disabled: disabledByMinDate || disabledByMaxDate,\n      };\n    });\n  }\n\n  static generateYearSelectOptions(props: {\n    activeYear: number;\n    minDate?: Date | null;\n    maxDate?: Date | null;\n  }): DokuSelectOptionItem[] {\n    const numberOfYearsDisplayed = 21;\n    const startYear = props.activeYear - Math.floor(numberOfYearsDisplayed / 2);\n\n    return Array.from({ length: numberOfYearsDisplayed }, (_, i) => {\n      const year = startYear + i;\n\n      const disabledByMinDate = props.minDate ? year < props.minDate.getFullYear() : false;\n      const disabledByMaxDate = props.maxDate ? year > props.maxDate.getFullYear() : false;\n\n      return {\n        label: year.toString(),\n        value: year.toString(),\n        disabled: disabledByMinDate || disabledByMaxDate,\n      };\n    });\n  }\n\n  static generateWeekdays(options?: { locale?: string }): string[] {\n    const locale = options?.locale || this.DEFAULT_LOCALE;\n    return Array.from({ length: 7 }).map((_, idx) => {\n      let label = new Date(0, 0, idx + 1).toLocaleString(locale, { weekday: 'short' });\n      if (locale.startsWith('en')) label = label.substring(0, 2);\n      return label;\n    });\n  }\n\n  static generateDates({ month, year }: { month: number; year: number }): Date[] {\n    const totalDates = new Date(year, month + 1, 0).getDate();\n    return Array.from({ length: totalDates }).map((_, idx) => new Date(year, month, idx + 1));\n  }\n\n  static isValidMinYear(minDate: Date, checkedDate: Date): boolean {\n    return checkedDate.getFullYear() >= minDate.getFullYear();\n  }\n\n  static isValidMinMonth(minDate: Date, checkedDate: Date): boolean {\n    if (!this.isValidMinYear(minDate, checkedDate)) return false;\n    const sameYear = minDate.getFullYear() === checkedDate.getFullYear();\n    return sameYear ? checkedDate.getMonth() >= minDate.getMonth() : true;\n  }\n\n  static isValidMinDate(\n    minDate: Date,\n    checkedDate: Date,\n    options?: { useStrictTime?: boolean }\n  ): boolean {\n    if (!this.isValidMinMonth(minDate, checkedDate)) return false;\n    if (options?.useStrictTime) {\n      const result = (minDate.getTime() - checkedDate.getTime()) / 1000;\n      return result < this.oneDayInSecond;\n    } else {\n      return checkedDate >= minDate;\n    }\n  }\n\n  static isValidMaxYear(maxDate: Date, checkedDate: Date): boolean {\n    return checkedDate.getFullYear() <= maxDate.getFullYear();\n  }\n\n  static isValidMaxMonth(maxDate: Date, checkedDate: Date): boolean {\n    if (!this.isValidMaxYear(maxDate, checkedDate)) return false;\n    const sameYear = maxDate.getFullYear() === checkedDate.getFullYear();\n    return sameYear ? checkedDate.getMonth() <= maxDate.getMonth() : true;\n  }\n\n  static isValidMaxDate(\n    maxDate: Date,\n    checkedDate: Date,\n    options?: { useStrictTime?: boolean }\n  ): boolean {\n    if (!this.isValidMaxMonth(maxDate, checkedDate)) return false;\n    if (options?.useStrictTime) {\n      const result = (checkedDate.getTime() - maxDate.getTime()) / 1000;\n      return result <= 0;\n    } else {\n      return checkedDate <= maxDate;\n    }\n  }\n\n  static isSameDate(date?: Date | null, anotherDate?: Date | null) {\n    const sameYear = date?.getFullYear() === anotherDate?.getFullYear();\n    const sameMonth = date?.getMonth() === anotherDate?.getMonth();\n    const sameDate = date?.getDate() === anotherDate?.getDate();\n    return sameYear && sameMonth && sameDate;\n  }\n\n  static isInvalidMinOrMaxDate(\n    date: Date,\n    minDate?: Date | null,\n    maxDate?: Date | null,\n    options?: { useStrictTime?: boolean }\n  ) {\n    const invalidMinDate = minDate\n      ? !CalendarUtil.isValidMinDate(minDate, date, { useStrictTime: options?.useStrictTime })\n      : false;\n    const invalidMaxDate = maxDate\n      ? !CalendarUtil.isValidMaxDate(maxDate, date, { useStrictTime: options?.useStrictTime })\n      : false;\n    return invalidMinDate || invalidMaxDate;\n  }\n}\n"]}