Nodejs String Truncate trunc()

Method Source Code

// This is a manifest file that'll be compiled into application.js, which will include all the files
// listed below.//from w  w  w. j  av  a2  s.c  o  m
//
// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
// or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
//
// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
// compiled file.
//
// Read Sprockets README (https://github.com/sstephenson/sprockets#sprockets-directives) for details
// about supported directives.
//
//= require jquery
//= require jquery_ujs
//= require_tree ../../../vendor/assets/javascripts/
//= require script-gun
//= require_tree .


// Patching String pro. for truncation of long mechanic names
String.prototype.trunc = String.prototype.trunc ||
  function(n){
      return this.length>n ? this.substr(0,n-1)+'...' : this;
  };

Related

1. trunc

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

2. trunc

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

3. trunc

   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.nl2br =
            function () {
   ...
   

4. trunc()

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

5. trunc()

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

6. trunc(len,suffix)

   String.prototype.trunc = function(len,suffix) {
       return this.length > len ? this.slice(0, len) + (suffix||'…') : this;
   };
   

7. trunc(len,suffix)

   String.prototype.trunc = String.prototype.trunc || function(len,suffix) {
       return this.length > len ? this.slice(0, len) + (suffix||'…') : this;
   };
   

8. trunc(length, options)

   String.prototype.trunc = function(length, options) {
       var defaults = Ext.Object.merge({omission: "..."}, options || {});
       var stop = length - defaults.omission.length;
       return (this.length > length ? this.substring(0, stop) + defaults.omission : this).toString();
   };
   

9. trunc(n)

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