n4s/dist/es/date.development.js

Assertion library for form validations

import { enforce } from 'n4s';

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function assertString(input) {
  var isString = typeof input === 'string' || input instanceof String;

  if (!isString) {
    var invalidType = _typeof(input);

    if (input === null) invalidType = 'null';else if (invalidType === 'object') invalidType = input.constructor.name;
    throw new TypeError("Expected a string but received a ".concat(invalidType));
  }
}

function toDate(date) {
  assertString(date);
  date = Date.parse(date);
  return !isNaN(date) ? new Date(date) : null;
}

function isAfter(date, options) {
  // For backwards compatibility:
  // isAfter(str [, date]), i.e. `options` could be used as argument for the legacy `date`
  var comparisonDate = (options === null || options === void 0 ? void 0 : options.comparisonDate) || options || Date().toString();
  var comparison = toDate(comparisonDate);
  var original = toDate(date);
  return !!(original && comparison && original > comparison);
}

function isBefore(str) {
  var date = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : String(new Date());
  assertString(str);
  var comparison = toDate(date);
  var original = toDate(str);
  return !!(original && comparison && original < comparison);
}

function merge() {
  var obj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var defaults = arguments.length > 1 ? arguments[1] : undefined;

  for (var key in defaults) {
    if (typeof obj[key] === 'undefined') {
      obj[key] = defaults[key];
    }
  }

  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 _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_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; }

function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike) { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }

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; }
var default_date_options = {
  format: 'YYYY/MM/DD',
  delimiters: ['/', '-'],
  strictMode: false
};

function isValidFormat(format) {
  return /(^(y{4}|y{2})[.\/-](m{1,2})[.\/-](d{1,2})$)|(^(m{1,2})[.\/-](d{1,2})[.\/-]((y{4}|y{2})$))|(^(d{1,2})[.\/-](m{1,2})[.\/-]((y{4}|y{2})$))/gi.test(format);
}

function zip(date, format) {
  var zippedArr = [],
      len = Math.min(date.length, format.length);

  for (var i = 0; i < len; i++) {
    zippedArr.push([date[i], format[i]]);
  }

  return zippedArr;
}

function isDate(input, options) {
  if (typeof options === 'string') {
    // Allow backward compatbility for old format isDate(input [, format])
    options = merge({
      format: options
    }, default_date_options);
  } else {
    options = merge(options, default_date_options);
  }

  if (typeof input === 'string' && isValidFormat(options.format)) {
    var formatDelimiter = options.delimiters.find(function (delimiter) {
      return options.format.indexOf(delimiter) !== -1;
    });
    var dateDelimiter = options.strictMode ? formatDelimiter : options.delimiters.find(function (delimiter) {
      return input.indexOf(delimiter) !== -1;
    });
    var dateAndFormat = zip(input.split(dateDelimiter), options.format.toLowerCase().split(formatDelimiter));
    var dateObj = {};

    var _iterator = _createForOfIteratorHelper(dateAndFormat),
        _step;

    try {
      for (_iterator.s(); !(_step = _iterator.n()).done;) {
        var _step$value = _slicedToArray(_step.value, 2),
            dateWord = _step$value[0],
            formatWord = _step$value[1];

        if (dateWord.length !== formatWord.length) {
          return false;
        }

        dateObj[formatWord.charAt(0)] = dateWord;
      }
    } catch (err) {
      _iterator.e(err);
    } finally {
      _iterator.f();
    }

    return new Date("".concat(dateObj.m, "/").concat(dateObj.d, "/").concat(dateObj.y)).getDate() === +dateObj.d;
  }

  if (!options.strictMode) {
    return Object.prototype.toString.call(input) === '[object Date]' && isFinite(input);
  }

  return false;
}

/* eslint-disable max-len */
// from http://goo.gl/0ejHHW

var iso8601 = /^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-3])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/; // same as above, except with a strict 'T' separator between date and time

var iso8601StrictSeparator = /^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-3])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T]((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/;
/* eslint-enable max-len */

var isValidDate = function isValidDate(str) {
  // str must have passed the ISO8601 check
  // this check is meant to catch invalid dates
  // like 2009-02-31
  // first check for ordinal dates
  var ordinalMatch = str.match(/^(\d{4})-?(\d{3})([ T]{1}\.*|$)/);

  if (ordinalMatch) {
    var oYear = Number(ordinalMatch[1]);
    var oDay = Number(ordinalMatch[2]); // if is leap year

    if (oYear % 4 === 0 && oYear % 100 !== 0 || oYear % 400 === 0) return oDay <= 366;
    return oDay <= 365;
  }

  var match = str.match(/(\d{4})-?(\d{0,2})-?(\d*)/).map(Number);
  var year = match[1];
  var month = match[2];
  var day = match[3];
  var monthString = month ? "0".concat(month).slice(-2) : month;
  var dayString = day ? "0".concat(day).slice(-2) : day; // create a date object and compare

  var d = new Date("".concat(year, "-").concat(monthString || '01', "-").concat(dayString || '01'));

  if (month && day) {
    return d.getUTCFullYear() === year && d.getUTCMonth() + 1 === month && d.getUTCDate() === day;
  }

  return true;
};

function isISO8601(str) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  assertString(str);
  var check = options.strictSeparator ? iso8601StrictSeparator.test(str) : iso8601.test(str);
  if (check && options.strict) return isValidDate(str);
  return check;
}

enforce.extend({ isAfter, isBefore, isDate, isISO8601 });
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