Nodejs String Camel Case camelize(index)

Method Source Code

String.prototype.camelize = function(index)
{
  var parts = this.split(/[-_]/);
  var str = '';
  if (typeof index == 'undefined') {
    index = 1;/*from w w  w  .  j a  v a  2s  .c o  m*/
  }
  for (var i=0; i<index; i++) {
    str += parts[i];
  }
  for (var i=index; i<parts.length; i++)
  {
    str += parts[i].substr(0, 1).toUpperCase();
    str += parts[i].substr(1);
  }
  return str;
}

Related

1. camelize()

   String.prototype.camelize = function() {
     var parts = this.split('-'), len = parts.length;
     if (len == 1) return parts[0];
     var camelized = this.charAt(0) == '-'
       ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
       : parts[0];
     for (var i = 1; i < len; i++)
       camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
     return camelized;
   ...
   

2. camelize()

   String.prototype.camelize = function() {
     return this.replace(/-+(.)?/g, function(match, chr) {
       return chr ? chr.toUpperCase() : '';
     });
   };
   

3. camelize()

   String.prototype.camelize = function() {
     return this.replace(/(?:^|_+)(.)?/g, function(match, chr) {
       return chr ? chr.toUpperCase() : '';
     });
   };
   

4. camelize()

   String.prototype.camelize = function() {
     var s = 'x_' + this.trim().toLowerCase();
     s = s.replace(/[\s_]/g, ' ');
     s = s.replace(/^(.)|\s(.)/g, function($1) {
       return $1.toUpperCase();
     });
     return s.replace(/ /g, '').substr(1);
   

5. camelize()

   String.prototype.camelize = function () {
       return this.replace(/^-ms-/, 'ms-').replace(/-([a-z]|[0-9])/ig, function (a, l) {
           return (l + '').toUpperCase();
       });
   }; 
   

6. camelize(lower_case_and_underscored_word)

   String.prototype.camelize = function (lower_case_and_underscored_word) {
       var parts = this.split('_'), str = "";
       if (lower_case_and_underscored_word === 'lower') {
           str = parts.shift();
       for (var i = 0, len = parts.length; i < len; i++) {
           str += parts[i].capitalize();
       return str;
   ...
   

7. camelizecamelize()

   String.prototype.camelize = function camelize(){
     return this.replace (/(?:^|[-_])(\w)/g, function (_, c) {
       return c ? c.toUpperCase () : '';
     });
   };
   

8. dashToCamel(str)

   String.prototype.dashToCamel = function(str) {
       if(str == undefined) {
           str = this;
       return str.replace(/\-+(.)/g, function (x, chr) {
           return chr.toUpperCase();
       });
   

9. decamel()

   String.prototype.decamel = function() {
       return this.replace(/[A-Z][a-z_-]*/g, function(txt) {
           return txt + ' ';
       }).trim();
   };