Nodejs String Truncate truncate( length, char )

Method Source Code

String.prototype.truncate = function ( length, char ) {
  var _length = length || 18;
  return this.length > _length ? this.substring( 0, _length ).replace( /\s+$/g, '' ) + ( char || '?' ) : this;
}

Related

1. trunc(n,useWordBoundary)

   String.prototype.trunc = function(n,useWordBoundary) {
       var toLong = this.length>n ,
       s_ = toLong ? this.substr(0,n-1) : this;
       s_ = useWordBoundary && toLong ? s_.substr(0,s_.lastIndexOf(' ')) : s_;
       return  toLong ? s_ + '…' : s_;
   };
   String.prototype.startsWith = function (str){
       return this.slice(0, str.length) == str;
   };
   ...
   

2. trunc()

   String.prototype.trunc = String.prototype.trunc ||
     function(n){
       return this.length > n ? this.substr(0,n-1) + "\u2026" : this;
     };
   

3. trunc()

   String.prototype.trunc = String.prototype.trunc ||
       function(n){
           return (this.length > n) ? this.substr(0, n-1) + '…' : this;
       };
   

4. trunc()

   String.prototype.trunc = String.prototype.trunc ||
     function(n){
       return this.length>n ? this.substr(0,n-1)+'…' : this;
   };
   

5. truncar(number,cadena)

   String.prototype.truncar = function(number,cadena) {
     if(number < 0)
       return this;
     if(cadena){
       return this.substr(0,number)+cadena;
     return this.substr(0,number);
   

6. truncate()

   String.prototype.truncate = function(){
       var re = this.match(/^.{0,50}[\S]*/);
       var l = re[0].length;
       var re = re[0].replace(/\s$/,'');
       if(l < this.length)
           re = re + "...";
       return re;
   

7. truncate(capLength)

   String.prototype.truncate = function(capLength){
     var trunc = '..';
     var output = this;
     if(typeof capLength !== 'number'){
       console.log('Arg must be a number type. No truncation made.');
       return output;
     if(output.length > capLength){
         if(output[capLength-1] === ' '){ 
   ...
   

8. truncate(len = 50)

   String.prototype.truncate = function(len = 50){
     var regx = new RegExp('^.{0,'+ len +'}[\S]*')
     var matches_array = this.match(regx);
     var str_length = matches_array[0].length;
     var replacement = matches_array[0].replace(/\s$/,'');
     return ((str_length > this.length) ? (replacement) : (replacement + "...") )
   

9. truncate(length)

   String.prototype.truncate = function(length) {
     return this.substr(0, length - 1) + (this.length > length? '...' : '');