| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101 | "use strict";Object.defineProperty(exports, "__esModule", {  value: true});exports.default = isDate;var _merge = _interopRequireDefault(require("./util/merge"));function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: 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(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { 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(_e) { throw _e; }, 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 = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, 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 compatibility for old format isDate(input [, format])    options = (0, _merge.default)({      format: options    }, default_date_options);  } else {    options = (0, _merge.default)(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();    }    var fullYear = dateObj.y;    // Check if the year starts with a hyphen    if (fullYear.startsWith('-')) {      return false; // Hyphen before year is not allowed    }    if (dateObj.y.length === 2) {      var parsedYear = parseInt(dateObj.y, 10);      if (isNaN(parsedYear)) {        return false;      }      var currentYearLastTwoDigits = new Date().getFullYear() % 100;      if (parsedYear < currentYearLastTwoDigits) {        fullYear = "20".concat(dateObj.y);      } else {        fullYear = "19".concat(dateObj.y);      }    }    var month = dateObj.m;    if (dateObj.m.length === 1) {      month = "0".concat(dateObj.m);    }    var day = dateObj.d;    if (dateObj.d.length === 1) {      day = "0".concat(dateObj.d);    }    return new Date("".concat(fullYear, "-").concat(month, "-").concat(day, "T00:00:00.000Z")).getUTCDate() === +dateObj.d;  }  if (!options.strictMode) {    return Object.prototype.toString.call(input) === '[object Date]' && isFinite(input);  }  return false;}module.exports = exports.default;module.exports.default = exports.default;
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