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天文台pc/tianwentai-ui/node_modules/date-fns/getISODay.js 919 Bytes
bc518174   王天杨   提交两个项目文件
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  "use strict";
  exports.getISODay = getISODay;
  var _index = require("./toDate.js");
  
  /**
   * @name getISODay
   * @category Weekday Helpers
   * @summary Get the day of the ISO week of the given date.
   *
   * @description
   * Get the day of the ISO week of the given date,
   * which is 7 for Sunday, 1 for Monday etc.
   *
   * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
   *
   * @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 given date
   *
   * @returns The day of ISO week
   *
   * @example
   * // Which day of the ISO week is 26 February 2012?
   * const result = getISODay(new Date(2012, 1, 26))
   * //=> 7
   */
  function getISODay(date) {
    const _date = (0, _index.toDate)(date);
    let day = _date.getDay();
  
    if (day === 0) {
      day = 7;
    }
  
    return day;
  }