Function WeekdayParser

src/natural-dates.test.ts:14–24

()

  type Weekday = (typeof weekdayChoices)[0 | 1 | 2 | 3 | 4 | 5 | 6];
  
  function* WeekdayParser() {
    let repeats: boolean = yield has(/^every\b/);
    yield optional(/^next\b/);
    
    yield whitespaceOptional;
    
    const weekday: Weekday = yield weekdayChoices;
    repeats = repeats || (yield has(/^[s]\b/));
    
    return { weekday, repeats };
  }
  
  function* AnotherWeekdayParser() {
    yield whitespaceOptional;