Nodejs String Truncate truncate(x)

Method Source Code

String.prototype.truncate = function(x){
  return this.length > x ? this.substr(0,x) : this ;
}

Related

1. truncate(maxlength)

   String.prototype.truncate = function (maxlength) {
       if (!this) {
           return '';
       if (!maxlength) {
           maxlength = 20;
       return (this.length > maxlength) ? this.slice(0, maxlength - 3) + '...' : this;
   };
   ...
   

2. truncate(n)

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

3. truncate(n)

   String.prototype.truncate = function(n) {
     var tooLong = this.length > n,
         string = tooLong ? this.substr(0,n-1) : this;
     string = tooLong ? string.substr(0,string.lastIndexOf(' ')) : string;
     return  tooLong ? string + '...' : string;
   };
   

4. truncate(options)

   String.prototype.truncate = function (options) {
     var length = (options && options.length) || 50;
     var ending = (options && options.ending) || "...";
     var truncated = this.slice(0, length);
     if (truncated.length < this.length)
       truncated += ending;
     return truncated;
   };
   

5. truncate(options)

   String.prototype.truncate = function (options) {
     var length = (options && options.length) || 70;
     var ending = (options && options.ending) || "...";
     var truncated = this.slice(0, length);
     if (truncated.length < this.length)
       truncated += ending;
     return truncated;
   };
   

6. truncate(x)

   String.prototype.truncate = function(x){
     if(this.length < x) return this.valueOf();
     else return this.substring(0, x - 3) + "...";
   };
   

7. truncateFilename()

   String.prototype.truncateFilename = function() {
       var fileParts = this.split('.');
       var extension = fileParts[fileParts.length-1];
       var filename = this.substr(0, this.length - extension.length + 1);
       return filename.substr(0, 10) + '*.' + extension;
   };
   

8. truncateString(str, num)

   function truncateString(str, num) {
     if (str.length <= num) {
       return str;
     } else {
       return str.slice(0, num > 3 ? num - 3 : num) + '...';
   truncateString("A-", 1);
   

9. truncateString(str, num)

   function truncateString(str, num) {
     if(str.length > num){
       if(num < 3){
          str = str.slice(0,num) + "...";
       }else{
       str = str.slice(0,num-3) + "...";
       console.log("actual str is " + str);
     }else{
   ...