how is available defined

UnitModel.js

  get available () {
    const status = this.status.toLowerCase()
    // if the date is essentially empty then
    if (['', '0000-00-00'].includes(this.when_available.trim())) {
      // if the status contains `not ready` then show `Coming Soon`
      if (status.indexOf('not ready') !== -1) {
        return 'Coming Soon'
      }
      // other wise it is `Available`
      return 'Available'
    }
    // in case the string in `when_available` is not parsable (should not happen) use a `try`
    try {
      const theDate = new Date(this.when_available)
      // 21/07/08 (SCD) #10xnwry [#vf846b, #r54mev]  if the status contains `not ready` then always show
//  `Coming Soon` (requested change when apartments work started in other tickets)
      if (status.indexOf('not ready') !== -1) {
        return 'Coming Soon'
      }
      // if the date is <= now() then 'Available'
      if (this.isDateBeforeToday(theDate) || this.isDateToday(theDate)) {
        return 'Available'
      }
      // other wise output the date formatted like Jun 7, 2021
      return dateString(theDate, 'MMM d, y')
    } catch (e) {
      // the date was not parsable so output unknown this should not happen and would indicate
      // a problem in the feed
      return 'Unknown'
    }
  }