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					84 lines
				
				3.4 KiB
			
		
		
			
		
	
	
					84 lines
				
				3.4 KiB
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											3 years ago
										 
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								import toDate from '../toDate/index.js';
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								import isValid from '../isValid/index.js';
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								import addLeadingZeros from '../_lib/addLeadingZeros/index.js';
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								import toInteger from '../_lib/toInteger/index.js';
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								/**
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								 * @name formatRFC3339
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								 * @category Common Helpers
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								 * @summary Format the date according to the ISO 3339 standard (https://tools.ietf.org/html/rfc3339#section-5.6).
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								 *
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								 * @description
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								 * Return the formatted date string in ISO 3339 format. Options may be passed to control the parts and notations of the date.
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								 *
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								 * @param {Date|Number} date - the original date
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								 * @param {Object} [options] - an object with options.
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								 * @param {0|1|2|3} [options.fractionDigits=0] - number of digits after the decimal point after seconds
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								 * @returns {String} the formatted date string
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								 * @throws {TypeError} 1 argument required
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								 * @throws {RangeError} `date` must not be Invalid Date
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								 * @throws {RangeError} `options.fractionDigits` must be between 0 and 3
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								 *
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								 * @example
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								 * // Represent 18 September 2019 in ISO 3339 format:
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								 * const result = formatRFC3339(new Date(2019, 8, 18, 19, 0, 52))
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								 * //=> '2019-09-18T19:00:52Z'
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								 *
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								 * @example
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								 * // Represent 18 September 2019 in ISO 3339 format, 2 digits of second fraction:
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								 * const result = formatRFC3339(new Date(2019, 8, 18, 19, 0, 52, 234), { fractionDigits: 2 })
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								 * //=> '2019-09-18T19:00:52.23Z'
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								 *
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								 * @example
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								 * // Represent 18 September 2019 in ISO 3339 format, 3 digits of second fraction
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								 * const result = formatRFC3339(new Date(2019, 8, 18, 19, 0, 52, 234), { fractionDigits: 3 })
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								 * //=> '2019-09-18T19:00:52.234Z'
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								 */
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								export default function formatRFC3339(dirtyDate, dirtyOptions) {
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								  if (arguments.length < 1) {
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								    throw new TypeError("1 arguments required, but only ".concat(arguments.length, " present"));
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								  }
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								  var originalDate = toDate(dirtyDate);
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								  if (!isValid(originalDate)) {
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								    throw new RangeError('Invalid time value');
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								  }
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								  var options = dirtyOptions || {};
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								  var fractionDigits = options.fractionDigits == null ? 0 : toInteger(options.fractionDigits); // Test if fractionDigits is between 0 and 3 _and_ is not NaN
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								  if (!(fractionDigits >= 0 && fractionDigits <= 3)) {
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								    throw new RangeError('fractionDigits must be between 0 and 3 inclusively');
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								  }
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								  var day = addLeadingZeros(originalDate.getDate(), 2);
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								  var month = addLeadingZeros(originalDate.getMonth() + 1, 2);
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								  var year = originalDate.getFullYear();
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								  var hour = addLeadingZeros(originalDate.getHours(), 2);
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								  var minute = addLeadingZeros(originalDate.getMinutes(), 2);
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								  var second = addLeadingZeros(originalDate.getSeconds(), 2);
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								  var fractionalSecond = '';
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								  if (fractionDigits > 0) {
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								    var milliseconds = originalDate.getMilliseconds();
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								    var fractionalSeconds = Math.floor(milliseconds * Math.pow(10, fractionDigits - 3));
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								    fractionalSecond = '.' + addLeadingZeros(fractionalSeconds, fractionDigits);
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								  }
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								  var offset = '';
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								  var tzOffset = originalDate.getTimezoneOffset();
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								  if (tzOffset !== 0) {
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								    var absoluteOffset = Math.abs(tzOffset);
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								    var hourOffset = addLeadingZeros(absoluteOffset / 60, 2);
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								    var minuteOffset = addLeadingZeros(absoluteOffset % 60, 2); // If less than 0, the sign is +, because it is ahead of time.
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								    var sign = tzOffset < 0 ? '+' : '-';
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								    offset = "".concat(sign).concat(hourOffset, ":").concat(minuteOffset);
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								  } else {
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								    offset = 'Z';
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								  }
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								  return "".concat(year, "-").concat(month, "-").concat(day, "T").concat(hour, ":").concat(minute, ":").concat(second).concat(fractionalSecond).concat(offset);
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								}
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