Nodejs String Format format()

Method Source Code

/// extends String
// this function enables to replace {0}, {1}, etc. strings
// with adequate arguments passed to this function
String.prototype.format = function() {
   var stringToReturn = this.toString();
   for(var i = 0; i < arguments.length; i++) {
      var regex = new RegExp("\\{" + i + "\\}", "g");
      stringToReturn = stringToReturn.replace(regex, arguments[i]);
   }/*from   w  ww  .  ja  v  a2  s  .c  o  m*/
   return stringToReturn;
};
/// end extends String object

Related

1. format()

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

2. format()

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

3. format()

   String.prototype.format = function () {
     var i = 0, args = arguments;
     return this.replace(/{(.*?)}/g, function (match, tagInner) {
       replacement = typeof args[i] != 'undefined' ? args[i++] : '';
       if(tagInner == "") {
           return replacement;
       } else {
           var match = tagInner.match(/^:.(\d+)f$/);
           if(match) {
   ...
   

4. format()

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

5. format()

   String.prototype.format = function () {
       var args = arguments;
       var input = this;        
       var output = "";
       if (input.length > 0) {
           if (args[0] === undefined || args[0] === null) {
               output = "string without any arguments";
           else {
   ...
   

6. format()

   String.format = function() {
       "use strict"
       var theString = arguments[0];
       for (var i = 1; i < arguments.length; i++) {
           var regEx = new RegExp("\\{" + (i - 1) + "\\}", "gm");
           theString = theString.replace(regEx, arguments[i]);
       return theString;
   };
   ...
   

7. format()

   'use strict';
   String.prototype.format = function () { 
       var content = this;
       for (var i = 0; i < arguments.length; i++) {
           var replacement = '{' + i + '}';
           content = content.replace(replacement, arguments[i]);
       return content;
   };
   ...
   

8. format(...args)

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

9. format(arg)

   String.prototype.format = function(arg) {
     var argLen, args, repFn, str;
     repFn = void 0;
     str = this;
     if (typeof arg === "object") {
       repFn = function(a, b) {
         if (arg[b]) {
           return arg[b];
         } else {
   ...