Nodejs String Justify rjust( width, padding )

Method Source Code

// http://snipplr.com/view/709/stringcenter-rjust-ljust/
String.prototype.rjust = function( width, padding ) {
  padding = padding || " ";
  padding = padding.substr( 0, 1 );/*  w w w.  j a  va2s .c o m*/
  if( this.length < width )
    return padding.repeat( width - this.length ) + this;
  else
    return this;
}

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(length, padding)

   String.prototype.rjust = function (length, padding) {
     var paddedString = this.slice();
     while (paddedString.length < length) {
       paddedString = padding + paddedString;
     return paddedString;
   };
   function setDefaultInputDate (dateInputSelector) {
     var input = $(dateInputSelector);
   ...
   

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('');
   };