Nodejs String Camel Case camelcase()

Method Source Code

// Camelize string
String.prototype.camelcase = function() {
  return this.replace(/_/g, ' ').replace(/(?:^\w|[A-Z]|\b\w|\s+|_+)/g, function(match, index) {
    if (+match === 0) {
      return "";
    }/*  w  w  w. ja v  a2  s.  c om*/
    return match.toUpperCase();
  });
};

Related

1. camelCaseToSpineCase()

   String.prototype.camelCaseToSpineCase = function() {
       var input = this;
       var newInput = input.replace(/\s/g, "-").replace(/([A-Z])/g, "-$1").toLowerCase();
       var inputNoRepeats = newInput.replace(/([-])\1*/g, "-"); 
       return inputNoRepeats;
   

2. camelCaseToWords()

   String.prototype.camelCaseToWords = function(){
     return this.split(/(?=[A-Z])/).join(" ");
   };
   

3. camelToDash(str)

   String.prototype.camelToDash = function (str) {
       if(str == undefined) {
           str = this;
       return str.replace(/\W+/g, '-')
           .replace(/([a-z\d])([A-Z])/g, '$1-$2').toLowerCase();
   

4. camelTo_()

   String.prototype.camelTo_ = function () {
       "use strict";
       return (this.replace(/\W+/g, '_')
           .replace(/([a-z\d])([A-Z])/g, '$1_$2')).toLowerCase();
   };
   

5. camelcase()

   String.prototype.camelcase = function() {
     return this.split("_").map(function(e) {
       return e.replace(/^([a-z])/g, function($1) {
         return $1.toUpperCase();
       });
     }).join("");
   };
   

6. camelcase()

   String.prototype.camelcase = function() {
       var result = "";
       var prevChar = undefined;
       for (var i = 0; i < this.length; i++){
           var currentChar = this.charAt(i);
           if (i == 0 || prevChar == " ") {
               result += currentChar.toUpperCase();
           } else {
               result += currentChar;
   ...
   

7. camelcase()

   String.prototype.camelcase = function()
       var result ="";
       var prevchar = undefined;
       for (var i = 0; i < this.length; i ++)
           var currentChar = this.charAt(i);
           if (i == 0 || prevchar == " ")
               result += currentChar.toUpperCase();
           else
               result += currentChar;
           prevchar = currentChar;
       return result;
   };
   module.exports = String;
   

8. camelcase()

   String.prototype.camelcase = function() {
       return this.replace(/[^a-zA-Z0-9 ]+/g, ' ').capitalize(true).remove(/ +/g)
     };
   String.prototype.digits = function() { return this.remove(/[^\d]/g) }
   

9. camelize()

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