pomeranian-durations/lib/format.js

An immutable duration library based on the ISO-8601 format for durations.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.format = void 0;

var _utils = require("./_utils");

var _find = require("./find");

/**
 * Helpers to format an iso duration. Available tokens are:
 *
 * | Token   | Unit     | Result example   |
 * |---------|----------|------------------|
 * | %Y      | years    |  0,  1, ..., 112 |
 * | %YY     | years    | 00, 01, ..., 112 |
 * | %M'     | months   |  0,  1, ..., 112 |
 * | %MM     | months   | 00, 01, ..., 112 |
 * | %W      | weeks    |  0,  1, ..., 112 |
 * | %WW     | weeks    | 00, 01, ..., 112 |
 * | %D      | days     |  0,  1, ..., 112 |
 * | %DD     | days     | 00, 01, ..., 112 |
 * | %h      | hours    |  0,  1, ..., 112 |
 * | %hh     | hours    | 00, 01, ..., 112 |
 * | %m      | minutes  |  0,  1, ..., 112 |
 * | %mm     | minutes  | 00, 01, ..., 112 |
 * | %s      | seconds  |  0,  1, ..., 112 |
 * | %ss     | seconds  | 00, 01, ..., 112 |
 *
 * @name default
 */
var compose = function compose() {
  for (var _len = arguments.length, fns = new Array(_len), _key = 0; _key < _len; _key++) {
    fns[_key] = arguments[_key];
  }

  return function (initialValue) {
    return fns.reduce(function (result, fn) {
      return fn(result);
    }, initialValue);
  };
};

var toPaddedString = (0, _utils.curry)(function (number, value) {
  return "".concat((0, _utils.leftPad)(number, '0', value));
});
var TOKEN = {
  '%Y': compose(_find.findYears, toPaddedString(1)),
  '%YY': compose(_find.findYears, toPaddedString(2)),
  '%M': compose(_find.findMonths, toPaddedString(1)),
  '%MM': compose(_find.findMonths, toPaddedString(2)),
  '%W': compose(_find.findWeeks, toPaddedString(1)),
  '%WW': compose(_find.findWeeks, toPaddedString(2)),
  '%D': compose(_find.findDays, toPaddedString(1)),
  '%DD': compose(_find.findDays, toPaddedString(2)),
  '%h': compose(_find.findHours, toPaddedString(1)),
  '%hh': compose(_find.findHours, toPaddedString(2)),
  '%m': compose(_find.findMinutes, toPaddedString(1)),
  '%mm': compose(_find.findMinutes, toPaddedString(2)),
  '%s': compose(_find.findSeconds, toPaddedString(1)),
  '%ss': compose(_find.findSeconds, toPaddedString(2))
};
var SORTED_KEYS = Object.keys(TOKEN).sort(function (a, b) {
  return b.length - a.length;
});
/**
 * Formats a given iso duration by a given template.
 *
 * @param template {string} - the template including al placeholders
 * @param isoString {string} - iso8601 duration string
 * @example
 * format('%hh:%mm:%ss', 'PT1M2S') // => '00:01:02'
 */

var format = (0, _utils.curry)(function (template, isoString) {
  return SORTED_KEYS.reduce(function (result, key) {
    return result.replace(new RegExp(key, 'g'), TOKEN[key](isoString));
  }, template);
});
exports.format = format;