86 lines
4.5 KiB
JavaScript
86 lines
4.5 KiB
JavaScript
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
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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."); }
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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; }
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function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
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function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { 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(_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; } } }; }
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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$/.test(n)) return _arrayLikeToArray(o, minLen); }
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function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
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import merge from './util/merge';
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var default_date_options = {
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format: 'YYYY/MM/DD',
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delimiters: ['/', '-'],
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strictMode: false
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};
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function isValidFormat(format) {
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return /(^(y{4}|y{2})[.\/-](m{1,2})[.\/-](d{1,2})$)|(^(m{1,2})[.\/-](d{1,2})[.\/-]((y{4}|y{2})$))|(^(d{1,2})[.\/-](m{1,2})[.\/-]((y{4}|y{2})$))/gi.test(format);
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}
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function zip(date, format) {
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var zippedArr = [],
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len = Math.min(date.length, format.length);
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for (var i = 0; i < len; i++) {
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zippedArr.push([date[i], format[i]]);
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}
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return zippedArr;
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}
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export default function isDate(input, options) {
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if (typeof options === 'string') {
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// Allow backward compatbility for old format isDate(input [, format])
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options = merge({
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format: options
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}, default_date_options);
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} else {
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options = merge(options, default_date_options);
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}
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if (typeof input === 'string' && isValidFormat(options.format)) {
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var formatDelimiter = options.delimiters.find(function (delimiter) {
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return options.format.indexOf(delimiter) !== -1;
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});
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var dateDelimiter = options.strictMode ? formatDelimiter : options.delimiters.find(function (delimiter) {
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return input.indexOf(delimiter) !== -1;
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});
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var dateAndFormat = zip(input.split(dateDelimiter), options.format.toLowerCase().split(formatDelimiter));
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var dateObj = {};
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var _iterator = _createForOfIteratorHelper(dateAndFormat),
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_step;
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try {
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for (_iterator.s(); !(_step = _iterator.n()).done;) {
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var _step$value = _slicedToArray(_step.value, 2),
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dateWord = _step$value[0],
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formatWord = _step$value[1];
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if (dateWord.length !== formatWord.length) {
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return false;
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}
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dateObj[formatWord.charAt(0)] = dateWord;
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}
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} catch (err) {
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_iterator.e(err);
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} finally {
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_iterator.f();
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}
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return new Date("".concat(dateObj.m, "/").concat(dateObj.d, "/").concat(dateObj.y)).getDate() === +dateObj.d;
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}
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if (!options.strictMode) {
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return Object.prototype.toString.call(input) === '[object Date]' && isFinite(input);
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}
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return false;
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} |