Nodejs String Justify rjust(length, padding)

Method Source Code

// # Place all the behaviors and hooks related to the matching controller here.
// # All this logic will automatically be available in application.js.

String.prototype.rjust = function (length, padding) {
   var paddedString = this.slice();
   while (paddedString.length < length) {
      paddedString = padding + paddedString;
   }//from   w  ww  .ja  v  a 2 s  . com
   return paddedString;
};

function setDefaultInputDate (dateInputSelector) {
   var input = $(dateInputSelector);
   if (input.length > 0) {
      var localDate = new Date().toLocaleDateString().split('/');
      localDate[0] = localDate[0].rjust(2, '0');
      localDate[1] = localDate[1].rjust(2, '0');
      var formattedDate = localDate[2] + '-' + localDate[0] + '-' + localDate[1];
      input.val(formattedDate);
   }
}

Related

1. ljust( length, char )

   String.prototype.ljust = function( length, char ) {
       var fill = [];
       while ( fill.length + this.length < length ) {
           [fill.length] = char;
       return this + fill.join('');
   

2. ljust( width, padding )

   String.prototype.ljust = function( width, padding ) {
     padding = padding || " ";
     padding = padding.substr( 0, 1 );
     if( this.length < width )
       return this + padding.repeat( width - this.length );
     else
       return this.toString();
   

3. rjust( length, char )

   String.prototype.rjust = function( length, char ) {
       var fill = [];
       while ( fill.length + this.length < length ) {
           fill[fill.length] = char;
       return fill.join('') + this;
   

4. rjust( width, padding )

   String.prototype.rjust = function( width, padding ) {
     padding = padding || " ";
     padding = padding.substr( 0, 1 );
     if( this.length < width )
         return padding.repeat( width - this.length ) + this;
       else
         return this.toString();
   };
   

5. rjust( width, padding )

   String.prototype.rjust = function( width, padding ) {
     padding = padding || " ";
     padding = padding.substr( 0, 1 );
     if( this.length < width )
       return padding.repeat( width - this.length ) + this;
     else
       return this;
   

6. rjust(num, padding)

   String.prototype.rjust = function(num, padding){
       if(!padding) padding = ' ';
       var s = this.toString();
       if(1 != padding.length) throw new Error('Padding must be one character.');
       if(s.length >= num) return s;
       for(var i=0; i<=num-s.length; i++)
           s = padding + s;
       return s;
   };
   ...
   

7. rjust(width, padding)

   String.prototype.rjust = function(width, padding) {
       padding = padding || " ";
       padding = padding.substr(0, 1);
       if (this.length < width) {
           return padding.repeat(width - this.length) + this;
       } else {
           return this;
   

8. rightJustify( length, char )

   String.prototype.rightJustify = function( length, char ) {
     var fill = [];
     while ( fill.length + this.length < length ) {
       fill[fill.length] = char;
     return this + fill.join('');
   };
   

9. rightj(n)

   String.prototype.right  = jCube.String.right  = function ( n) {
     return this.substring( this.length-n);