liftie/lib/tools/coerce.js

Clean, simple, easy to read, fast ski resort lift status

const debug = require('debug')('liftie:coerce');

module.exports = coerceStatus;

const map = {
  o: 'open',
  op: 'open',
  opn: 'open',
  y: 'open',
  yes: 'open',
  ok: 'open',
  open: 'open',
  opened: 'open',
  green: 'open',
  checkmark: 'open',
  ouvert: 'open',
  ouverte: 'open',
  on: 'open',
  1: 'open',
  check: 'open',
  true: 'open',
  aperta: 'open',
  aperto: 'open',
  normal: 'open',

  n: 'closed',
  x: 'closed',
  no: 'closed',
  cl: 'closed',
  cls: 'closed',
  close: 'closed',
  closed: 'closed',
  closedfortheday: 'closed',
  cross: 'closed',
  geschlossen: 'closed',
  blank: 'closed',
  red: 'closed',
  ferme: 'closed',
  fermée: 'closed',
  f: 'closed',
  3: 'closed',
  off: 'closed',
  false: 'closed',
  chiusa: 'closed',
  chiuso: 'closed',
  closedforseason: 'closed',
  cerrado: 'closed',

  h: 'hold',
  hd: 'hold',
  hold: 'hold',
  windhold: 'hold',
  weatherhold: 'hold',
  maintenancehold: 'hold',
  safety: 'hold',
  onhold: 'hold',
  standby: 'hold',
  code: 'hold',
  caution: 'hold',
  condicional: 'hold',

  scheduled: 'scheduled',
  onschedule: 'scheduled',
  expected: 'scheduled',
  delay: 'scheduled',
  delayed: 'scheduled',
  prevision: 'scheduled',
  blue: 'scheduled',
  p: 'scheduled',
  2: 'scheduled',
  'in-preparations': 'scheduled',
  "En cours d'ouverture": 'scheduled'
};

/**
 * More flexible slice. If from, or to are strings we determine their position in the string
 * and slice appropriately. In all other cases it works like normal slice
 */
function slice(str, [from, to]) {
  if (typeof from === 'string') {
    from = str.lastIndexOf(from) + from.length;
  }
  if (typeof to === 'string') {
    to = str.indexOf(to);
  }
  return str.slice(from, to);
}

/*
 * slice, trim, lowercase and coerce to standard liftie statuses
 * If no usable status is found, return 'scheduled'
 */
function coerceStatus(status, ...dels) {
  if (status) {
    if (dels.length > 0) {
      status = slice(status, dels);
    }
    status = status.replace(/[\s_\-]+/g, '').toLowerCase();
  }
  let s = map[status];
  if (!s) {
    debug('Unknown status %s. Treated as <scheduled>', status);
    s = 'scheduled';
  }
  return s;
}