テンプレート

 (function() {
  Date.prototype.setWeek = function(year, week, day) {
    var week1 = new Date(year, 0, 1)
    var prevLastDay = new Date(week1.getTime() - 86400000 * (week1.getDay() || 7))
    return this.setTime(prevLastDay.getTime() + 86400000 * ((week - 1) * 7 + day))
  }
  Date.prototype.setISOWeek = function(year, week, day) {
    var week1 = new Date(year, 0, 4)
    var prevLastDay = new Date(week1.getTime() - 86400000 * (week1.getDay() || 7))
    return this.setTime(prevLastDay.getTime() + 86400000 * ((week - 1) * 7 + day))
  }
  Date.prototype.format = function(format) {
    // yyyy, MM, dd, ddd だけ
    const days = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
    return format.replace('ddd', days[this.getDay()])
            .replace('yyyy', this.getFullYear())
            .replace('MM', ('0' + (this.getMonth() + 1)).slice(-2))
            .replace('dd', ('0' + this.getDate()).slice(-2))
  }

- // 処理ここから
- const yearWeek = scrapbox.Page.title.split("'") // 新規ページの仮タイトルから、年と週番号を取得して
- const d = new Date()

- // 週番号の計算方法をここで指定するよ
- //d.setWeek(yearWeek, yearWeek, 0) // 米国式・月曜始まり
- //d.setWeek(yearWeek - 1, yearWeek, 6) // 米国式・日曜始まり
- d.setISOWeek(yearWeek, yearWeek, 0) // ISO式・月曜始まり
- //d.setISOWeek(yearWeek, yearWeek - 1, 6) // ISO式・日曜始まり

- const dateFormat = "yyyy-MM-dd"
- const dayFormat = "ddd"

- // ここで返してるものがページのタイトルと本文になるよ！ 1週間分の日付と曜日を並べていきます
- return \`

• **. [${new Date(d.setDate(d.getDate() + 1)).format(dateFormat)} ${d.format(dayFormat)}]

• **. [${new Date(d.setDate(d.getDate() + 1)).format(dateFormat)} ${d.format(dayFormat)}]

• **. [${new Date(d.setDate(d.getDate() + 1)).format(dateFormat)} ${d.format(dayFormat)}]

• **. [${new Date(d.setDate(d.getDate() + 1)).format(dateFormat)} ${d.format(dayFormat)}]

• **. [${new Date(d.setDate(d.getDate() + 1)).format(dateFormat)} ${d.format(dayFormat)}]

• **. [${new Date(d.setDate(d.getDate() + 1)).format(dateFormat)} ${d.format(dayFormat)}]

• **. [${new Date(d.setDate(d.getDate() + 1)).format(dateFormat)} ${d.format(dayFormat)}]

• **. Backlog

• `

• })()