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天文台pc/tianwentai-ui/node_modules/date-fns/isLastDayOfMonth.mjs 913 Bytes
bc518174   王天杨   提交两个项目文件
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  import { endOfDay } from "./endOfDay.mjs";
  import { endOfMonth } from "./endOfMonth.mjs";
  import { toDate } from "./toDate.mjs";
  
  /**
   * @name isLastDayOfMonth
   * @category Month Helpers
   * @summary Is the given date the last day of a month?
   *
   * @description
   * Is the given date the last day of a month?
   *
   * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
   *
   * @param date - The date to check
  
   * @returns The date is the last day of a month
   *
   * @example
   * // Is 28 February 2014 the last day of a month?
   * const result = isLastDayOfMonth(new Date(2014, 1, 28))
   * //=> true
   */
  export function isLastDayOfMonth(date) {
    const _date = toDate(date);
    return +endOfDay(_date) === +endOfMonth(_date);
  }
  
  // Fallback for modularized imports:
  export default isLastDayOfMonth;