pomeranian-durations/lib/from-sql.js

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

"use strict";

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

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

var _transformations = require("./transformations");

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { var _i = arr && (typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]); if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

var findExtendedUnit = function findExtendedUnit(stringComponent, units) {
  var findUnitWithValue = new RegExp(units.map(function (unit) {
    return "[+,-]?[0-9] ?".concat(unit, " ");
  }).join('|'));
  var findUnits = new RegExp(units.join('|').toLowerCase());
  var matchedUnit = "".concat(stringComponent, " ").toLowerCase().match(findUnitWithValue);

  if (!matchedUnit) {
    return 0;
  }

  return parseFloat(matchedUnit[0].replace(findUnits, ''));
};

var buildFloatParser = (0, _utils.curry)(function (sign, value) {
  return parseFloat("".concat(sign).concat(value.replace(sign, '')));
});
var parsePositive = buildFloatParser('+');
var parseNegative = buildFloatParser('-');

var findTimeUnits = function findTimeUnits(stringComponent) {
  var matchTimeUnits = new RegExp('[+-]?[0-9]+:[0-9]+:[0-9]+');
  var matchedUnit = stringComponent.toLowerCase().match(matchTimeUnits);

  if (!matchedUnit) {
    return 0;
  }

  var parse = matchedUnit[0][0] === '-' ? parseNegative : parsePositive;

  var _matchedUnit$0$split$ = matchedUnit[0].split(':').map(parse),
      _matchedUnit$0$split$2 = _slicedToArray(_matchedUnit$0$split$, 3),
      hours = _matchedUnit$0$split$2[0],
      minutes = _matchedUnit$0$split$2[1],
      seconds = _matchedUnit$0$split$2[2];

  return {
    hours: hours,
    minutes: minutes,
    seconds: seconds
  };
};
/**
 * Converts a postgres duration to an ISO8601 duration
 * @param postgresString {string} - a postgres interval string
 * @returns {string} - an ISO8601 duration string
 * @example
 * fromPostgres('1 mons 01:02:03') // => 'P1MT1H2M3S'
 */


var fromPostgres = function fromPostgres(postgresString) {
  return (0, _transformations.toIso)(_objectSpread({
    years: findExtendedUnit(postgresString, 'years year y'.split(' ')),
    months: findExtendedUnit(postgresString, 'months month mons mon'.split(' ')),
    days: findExtendedUnit(postgresString, 'days day d'.split(' '))
  }, findTimeUnits(postgresString)));
};
/**
 * Converts a postgres verbose duration to an interval string
 * @param postgresString {string} - a postgres interval verbose string
 * @returns {string} - an ISO8601 duration string
 * @example
 * fromPostgresVerbose('1 mons 3 secs 1 day') // => 'P1M1DT3S'
 */


exports.fromPostgres = fromPostgres;

var fromPostgresVerbose = function fromPostgresVerbose(postgresString) {
  return (0, _transformations.toIso)({
    years: findExtendedUnit(postgresString, 'years year y'.split(' ')),
    months: findExtendedUnit(postgresString, 'months month mons mon'.split(' ')),
    days: findExtendedUnit(postgresString, 'days day d'.split(' ')),
    hours: findExtendedUnit(postgresString, 'hours hour h'.split(' ')),
    minutes: findExtendedUnit(postgresString, 'minutes minute mins min m'.split(' ')),
    seconds: findExtendedUnit(postgresString, 'seconds second secs sec s'.split(' '))
  });
};

exports.fromPostgresVerbose = fromPostgresVerbose;