Nodejs String to Date Convert toDate(dateIsOmittable, monthIsOmittable)

Method Source Code

/*/*from  www .j av a  2  s  . co  m*/
 * String-Date JavaScript Library
 * @leafriend
 * http://github.com/leafriend/stringdate.js
 * MIT
 */

String.THROW_WHEN_INVALID_DATE = true

String.prototype.toDate = function(dateIsOmittable, monthIsOmittable) {

    var date = null;
    var str = "0000-00-00";

    if (/^\d{4}-\d{2}-\d{2}$/.test(this))
        str = new String(this);
    else if (dateIsOmittable && /^\d{4}-\d{2}$/.test(this))
        str = this + "-01";
    else if (dateIsOmittable && monthIsOmittable && /^\d{4}$/.test(this))
        str = this + "-01-01";

    date = new Date(str);
    if (isNaN(date.getTime()) || date.toISOString().substring(0, 10) != str)
        if (String.THROW_WHEN_INVALID_DATE)
            throw new Error("String '" + this + "' is not a form of 'yyyy-MM-dd'");
        else
            return undefined;

    return date;

}

Related

1. toDate()

   String.prototype.toDate = function() {
       return new Date(this.slice(0,15));
   };
   

2. toDate()

   String.prototype.toDate = function()
     var date, parts, year, month, day, hours, minutes, seconds, ms;
     if (parts = this.match(/^([0-9]{4})\-([0-9]{2})\-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\.([0-9]{1,3}))?(Z|([-+0-9:]{6}))$/))
       date = Date.parse(this);
       if (isNaN(date)) 
         year    = parts[1];
   ...
   

3. toDate()

   String.prototype.toDate = () =>{
       var from = $(this).val().split("/");
       var f = new Date(from[2], from[1] - 1, from[0]);
       return f;
   

4. toDate(pattern = 'YYYY-MM-DD')

   String.prototype.toDate = function (pattern = 'YYYY-MM-DD') {
       let date = new Date()
       if (pattern.indexOf("YYYY") > -1) {
           const yearIndex = pattern.indexOf("YYYY")
           date.setFullYear(this.substring(yearIndex,yearIndex+4))
       if(pattern.indexOf("MM")>-1){
           const monthIndex = pattern.indexOf("MM")
           date.setMonth(this.substring(monthIndex,monthIndex+2)-1)
   ...
   

5. toDate(str)

   String.prototype.toDate = function(str) {
       var m = this.match(/(\d+)-(\d+)-(\d+)\s+(\d+):(\d+):(\d+)/);
       return new Date(+m[1], +m[2] - 1, +m[3], +m[4], +m[5], +m[6]);
   

6. toDateFormat(format)

   String.prototype.toDateFormat = function (format) {
       return this.parseToDate().toDateFormat(format);
   };
   

7. toDateFromAspNet()

   if (!window.console) {
       console = {
           log: function (msg) {
       };
   };
   String.prototype.toDateFromAspNet = function () {
       var dte = eval("new " + this.replace(/\
       dte.setMinutes(dte.getMinutes() - dte.getTimezoneOffset());
   ...