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backend/node_modules/date-fns/isDate/index.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = isDate;
+var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
+var _index = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
+/**
+ * @name isDate
+ * @category Common Helpers
+ * @summary Is the given value a date?
+ *
+ * @description
+ * Returns true if the given value is an instance of Date. The function works for dates transferred across iframes.
+ *
+ * @param {*} value - the value to check
+ * @returns {boolean} true if the given value is a date
+ * @throws {TypeError} 1 arguments required
+ *
+ * @example
+ * // For a valid date:
+ * const result = isDate(new Date())
+ * //=> true
+ *
+ * @example
+ * // For an invalid date:
+ * const result = isDate(new Date(NaN))
+ * //=> true
+ *
+ * @example
+ * // For some value:
+ * const result = isDate('2014-02-31')
+ * //=> false
+ *
+ * @example
+ * // For an object:
+ * const result = isDate({})
+ * //=> false
+ */
+function isDate(value) {
+  (0, _index.default)(1, arguments);
+  return value instanceof Date || (0, _typeof2.default)(value) === 'object' && Object.prototype.toString.call(value) === '[object Date]';
+}
+module.exports = exports.default;