10 examples of 'javascript invalid date' in JavaScript

15
export function getValidDate(date: unknown): Date {
16
  if (typeof date === 'undefined') {
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    throw new Error('expects a date');
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  }
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20
  date = date || new Date();
21
  if (date instanceof Date) {
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    return date;
23
  }
24
25
  if (typeof date === 'number') {
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    if (isValidDate(date)) date = new Date(date);
27
  }
28
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  if (typeof date === 'string') {
30
    if (!isValidDate(date)) {
31
      date = date.replace(/-/g, '/');
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    }
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    if (isValidDate(date as string)) {
35
      date = new Date(date as string);
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    }
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  }
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  return date as Date;
40
}

106
function dateHandler(date) {
107
		var
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      dArray, // 数组化后的日期
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      ret;
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		if (typeof date === 'string') { // 如果date参数是string类型
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			if (rNumberstring.test(date)) { // 如果date参数是number string类型
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        ret = new Date(date);
114
			} else { // 这里重新格式化,一般都是从服务端过来的数据,必须有年月日,并且顺序是年月日时分秒毫秒,并且7个值之间有间隔符,间隔符为\D
115
				dArray = date.match(rDatestring); // 从string中提取new Date需要的参数
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				if(dArray.length < 3) { // 服务端时间戳,例如NET "/Date(562941040500+0800)/"
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          ret = new Date(+dArray[0]);
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				} else { // 格式化过的
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          ret = new Date(dArray[0], dArray[1] - 1, dArray[2] || 1, dArray[3] || 0, dArray[4] || 0, dArray[5] || 0, dArray[6] || 0);
120
				}
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			}
122
		} else if (typeof date === 'number' || Object.prototype.toString.call(date) === '[object Date]') { // 如果date参数是number类型、date类型
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      ret = new Date(+date);
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		} else if (date == null) { // 如果不存在date参数
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      ret = new Date();
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		} else {
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      return false;
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    }
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		return ret;
131
	}

43
function parseStartDate (date: ?string) {
44
  if (!date) {
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    return undefined;
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  }
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  if (new Date(date).toString() === 'Invalid Date') {
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    return undefined;
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  }
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  return new Date(date);
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}

1
function isValidDate(value: number | string) {
2
  return !Number.isNaN(+new Date(value));
3
}

567
function parseDate(date) {
568
  if (date) {
569
    try { return new Date(Date.parse(date)); }
570
    catch (e) { /* ignore invalid dates */ }
571
  }
572
}

46
function parseDate(str) {
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  if (Y.Lang.isNull(str) || Y.Lang.isUndefined(str))
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      return null;
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  var parts = str.split(/[- :]/);
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  if ( parts.length < 3 )
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      return null;
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  while ( parts.length < 6 )
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      parts.push(0);
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  return new Date(parts[0], parts[1]-1, parts[2], parts[3], parts[4], parts[5]);
55
}

46
function parseDate(date) {
47
	var re = date.match("([0-9]+)-([0-9]+)-([0-9]+) ([0-9]+):([0-9]+):.*");
48
	return (re[2] + '/' + re[3] + '/' + re[1] + ' ' + re[4] + ':' + re[5]);	
49
}

120
function parseDate (date) {
121
  date = date.split('-')
122
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  var year = parseInt(date[0])
124
  var month = parseInt(date[1]) - 1
125
  var day = parseInt(date[2])
126
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  return new Date(year, month, day)
128
}

24
function parseDate(dateCode) {
25
  const {y, m, d, H, M, S} = XLSX.SSF.parse_date_code(dateCode)
26
27
  return new Date(`${y}/${m}/${d} ${H}:${M}:${S}`).getTime()
28
}

105
export function parseDate(d: string): Date {
106
  const matches = d.match(/\d+/);
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  return new Date(parseInt(matches![0], 10));
108
}