Nodejs String Camel Case camelize(lower_case_and_underscored_word)

Method Source Code

String.prototype.camelize = function (lower_case_and_underscored_word) {
    var parts = this.split('_'), str = "";
    if (lower_case_and_underscored_word === 'lower') {
        str = parts.shift();//from   w w w. ja  v  a 2  s .  com
    }
    for (var i = 0, len = parts.length; i < len; i++) {
        str += parts[i].capitalize();
    }
    return str;
};

Related

1. camelize()

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

2. camelize()

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

3. 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);
   

4. camelize()

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

5. camelize(index)

   String.prototype.camelize = function(index)
     var parts = this.split(/[-_]/);
     var str = '';
     if (typeof index == 'undefined') {
       index = 1;
     for (var i=0; i<index; i++) {
       str += parts[i];
   ...
   

6. camelizecamelize()

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

7. dashToCamel(str)

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

8. decamel()

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

9. decamelize()

   String.prototype.decamelize = function() {
     return this.replace(/[A-Z]/g, ' $&').toLowerCase().capitalize();
   };