Nodejs String Format format()

Method Source Code

function log(s){ 
   if(console)/* w w  w.java 2  s. co  m*/
      console.log(s);
}

function callStack(){
   log(new Error().stack);
}
/*
String.format = function() {
  var s = arguments[0];
  for (var i = 0; i < arguments.length - 1; i++) {       
   var reg = new RegExp("\\{" + i + "\\}", "gm");             
   s = s.replace(reg, arguments[i + 1]);
  }

  return s;
}
*/

String.prototype.format = function() {
  var args = arguments;
  return this.replace(/{(\d+)}/g, function(match, number) { 
    return typeof args[number] != 'undefined'
      ? args[number]
      : match
    ;
  });
};

Related

1. format()

   function clearStorage() {
     localStorage.clear();
     setIcon();
   function setIcon() {
   String.prototype.format = function() {
     var formatted = this;
     for (var i = 0; i < arguments.length; i++) {
   ...
   

2. format()

   String.prototype.format = String.prototype.f = function () {
       var s = this,
           i = arguments.length;
       while (i--) {
           s = s.replace(new RegExp('\\{' + i + '\\}', 'gm'), arguments[i]);
       return s;
   };
   

3. format()

   String.prototype.format = function() 
     var result = this;
     for (var ix = 0; ix < arguments.length; ix++) 
       var tagRegExp = new RegExp("\\{" + ix + "\\}", "gi");
       result = result.replace(tagRegExp, arguments[ix]);
     return result;
   ...
   

4. format()

   String.prototype.format = function () {
       var formatted = this;
       for (var i = 0; i < arguments.length; i++) {
           var regexp = new RegExp('\\{' + i + '\\}', 'gi');
           formatted = formatted.replace(regexp, arguments[i]);
       return formatted;
   };
   function isNullOrWhitespace(input) {
   ...
   

5. format()

   String.prototype.format= function(){
          var args = arguments;
          return this.replace(/\{(\d+)\}/g,function(s,i){
            return args[i];
          });
   

6. format()

   'use strict'
   String.format = String.f = function () {
     var s = arguments[0]
     for (var i = 0; i < arguments.length; i++) {
       var regexp = new RegExp('\\{' + i + '\\}', 'gm')
       s = s.replace(regexp, (arguments[i + 1] === null ? '' : arguments[i + 1]))
     return s
   String.prototype.format = String.prototype.f = function () {
     var s = this
     for (var i = 0; i < arguments.length; i++) {
       var regexp = new RegExp('\\{' + i + '\\}', 'gm')
       s = s.replace(regexp, (arguments[i] === null ? '' : arguments[i]))
     return s
   

7. format()

   String.prototype.format = function () {
       var args = arguments;
       return this.replace(/\{\{|\}\}|\{(\d+)\}/g, function (m, n) {
           if (m == "{{") { return "{"; }
           if (m == "}}") { return "}"; }
           return args[n];
       });
   };
   

8. format()

   function package(nspace)
       var nspaceComponents = nspace.split(".");
       var parent = window;
       for (var i = 0; i < nspaceComponents.length; ++i) {
           if (typeof parent[nspaceComponents[i]] === "undefined") {
               parent[nspaceComponents[i]] = {};
           parent = parent[nspaceComponents[i]];
   ...
   

9. format()

   String.prototype.format = function () {
       var args = arguments;
       return this.replace(/{(\d+)}/g, function (match, number) {
           return typeof args[number] != 'undefined'
               ? args[number]
               : match
               ;
       });
   };
   ...