calendar-ts/dist/index.js

generate calendar data

// src/index.ts
var Calendar = class {
  constructor(firstWeekDay = 0) {
    this.firstWeekDay = firstWeekDay;
  }
  weekStartDate(date) {
    const starDate = new Date(date.getTime());
    while (starDate.getDay() !== this.firstWeekDay) {
      starDate.setDate(starDate.getDate() - 1);
    }
    return starDate;
  }
  monthDates(year, month) {
    if (year < 1970) {
      console.warn("year must be a number >= 1970");
    }
    if (month < 0 || month > 11) {
      console.error("month must be a number (Jan is 0)");
    }
    let week = [];
    const weeks = [];
    let date = this.weekStartDate(new Date(year, month, 1));
    do {
      for (let i = 0; i < 7; i++) {
        week.push(date);
        date = new Date(date.getTime());
        date.setDate(date.getDate() + 1);
      }
      weeks.push(week);
      week = [];
    } while (date.getMonth() <= month && date.getFullYear() === year);
    return weeks;
  }
  monthDays(year, month) {
    return this.monthDates(year, month).map((row) => row.map((col) => col.getMonth() === month ? col.getDate() : 0));
  }
  monthText(year, month) {
    const getDayOrBlank = (date) => {
      let s = date.getMonth() === month ? date.getDate().toString() : "  ";
      while (s.length < 2) {
        s = ` ${s}`;
      }
      return s;
    };
    const weeks = this.monthDates(year, month).map((row) => row.map((col) => getDayOrBlank(col)));
    return weeks.join("\n");
  }
};
var src_default = Calendar;
export {
  src_default as default
};
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