pomeranian-durations/lib/to-sql.js

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

"use strict";

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

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

var _validate = require("./validate");

var _constants = require("./constants");

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

var _math = require("./math");

var _normalize = require("./normalize");

var _remove = require("./remove");

var _compare = require("./compare");

var KEY_TO_POSTGRES_MAP = {
  years: 'years',
  months: 'mons',
  days: 'days',
  hours: 'hours',
  minutes: 'mins',
  seconds: 'seconds'
};

var leftPadZeros = function leftPadZeros(value) {
  return (0, _utils.leftPad)(2, '0', value);
};

var isoStringToPostgresVerbose = function isoStringToPostgresVerbose(isoString) {
  var fragments = (0, _transformations.toFragments)(isoString);
  return Object.keys(fragments).sort(function (a, b) {
    return _constants.UNIT_ORDER.indexOf(b) - _constants.UNIT_ORDER.indexOf(a);
  }).filter(function (unit) {
    return fragments[unit] !== 0;
  }).map(function (unit) {
    return "".concat(fragments[unit], " ").concat(KEY_TO_POSTGRES_MAP[unit]);
  }).join(' ');
};

var fragmentsToSqlTime = (0, _utils.curry)(function (leftPadHours, isoString) {
  if ((0, _compare.eq)(isoString, _constants.ZERO)) {
    return '';
  }

  var updatedFragments = (0, _utils.pipe)(isoString, _math.absolute, _normalize.normalizeTime, _transformations.toFragments);
  var sign = (0, _compare.lt)(isoString, _constants.ZERO) ? '-' : '';
  return sign + [leftPadHours ? leftPadZeros(updatedFragments.hours) : updatedFragments.hours, leftPadZeros(updatedFragments.minutes), leftPadZeros(updatedFragments.seconds)].join(':');
});

var fragmentsToSqlDate = function fragmentsToSqlDate(isoString) {
  var fragments = (0, _transformations.toFragments)(isoString);

  if ((0, _utils.values)(fragments).every(function (fragment) {
    return fragment === 0;
  })) {
    return '';
  }

  return "".concat(fragments.years, "-").concat(fragments.months, " ").concat(fragments.days);
};
/**
 * Converts an ISO8601 duration to a Postgres verbose duration.
 * @param isoString {string} - ISO8601 duration
 * @returns {string} - postgres verbose duration string
 * @example
 * toPostgresVerbose('P2DT3M') // => '@ 2 days 3 mins'
 */


var toPostgresVerbose = function toPostgresVerbose(isoString) {
  if ((0, _validate.isInvalid)(isoString)) {
    return _constants.INVALID_DURATION;
  }

  return "@ ".concat(isoStringToPostgresVerbose(isoString)).trim();
};
/**
 * Converts an ISO8601 duration to a Postgres duration.
 * @param isoString {string} - ISO8601 duration
 * @returns {string} - postgres duration string
 * @example
 * toPostgres('P2DT1M') // => '2 days 00:01:00'
 */


exports.toPostgresVerbose = toPostgresVerbose;

var toPostgres = function toPostgres(isoString) {
  if ((0, _validate.isInvalid)(isoString)) {
    return _constants.INVALID_DURATION;
  }

  var timeParts = (0, _utils.pipe)(isoString, _remove.removeDateUnits, fragmentsToSqlTime(true));
  var dateParts = (0, _utils.pipe)(isoString, _remove.removeTimeUnits, isoStringToPostgresVerbose);
  return (0, _utils.joinWhen)(function (value) {
    return value !== '';
  }, ' ', dateParts, timeParts);
};
/**
 * Converts an ISO8601 duration to a SQL duration.
 * @param isoString {string} - ISO8601 duration
 * @returns {string} - sql duration string
 * @example
 * toSql('P1Y2DT1M') // => '1-0 2 0:01:00'
 */


exports.toPostgres = toPostgres;

var toSql = function toSql(isoString) {
  if ((0, _validate.isInvalid)(isoString)) {
    return _constants.INVALID_DURATION;
  }

  var timeParts = (0, _utils.pipe)(isoString, _remove.removeDateUnits, fragmentsToSqlTime(false));
  var dateParts = (0, _utils.pipe)(isoString, _remove.removeTimeUnits, fragmentsToSqlDate);
  return (0, _utils.joinWhen)(function (value) {
    return value !== '';
  }, ' ', dateParts, timeParts);
};

exports.toSql = toSql;