transportation/lib/utils/time.js

Import GTFS into a semantic model

const moment = require('moment')

module.exports.guess = function guessTime (time1, time2, ratio, options) {
  options = options || {}

  // TODO: Replace for example by gaussian, given as option
  const progress = ratio

  if (time1 instanceof Date && time2 instanceof Date) {
    const timestamp = (Math.round((time2.getTime() - time1.getTime()) * progress) + time1.getTime())
    return new Date(timestamp)
  }

  if (typeof time1 === 'string' && typeof time2 === 'string') {
    const t1 = moment(time1, 'HH:mm:ss')
    const t2 = moment(time2, 'HH:mm:ss')
    const diff = t2.diff(t1)
    return moment(t1.add(Math.abs(diff * progress))).format('HH:mm:ss.SSS')
  }

  throw new Error("Can't guess time for " + time1 + ', ' + time2)
}