Nodejs String Format format(options)

Method Source Code

String.prototype.format = String.prototype.f = function(options) {

    options = options ? options : [];//from  w ww.  j  a v  a2 s  .c o m
    if (typeof options != "object") options = [options];

    var s = this,
        i = options.length;

    while (i--) {
        s = s.replace(new RegExp('\\{' + i + '\\}', 'gm'), options[i]);
    }        

    return s;
 };

Related

1. format()

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

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

4. 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;
   };
   

5. format()

   'use strict';
   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;
   };
   ...
   

6. format()

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

7. format()

   String.prototype.format = String.prototype.format ||
   function () {
       var str = this.toString();
       if (arguments.length) {
           var t = typeof arguments[0];
           var key;
           var args = ("string" === t || "number" === t) ?
               Array.prototype.slice.call(arguments)
               : arguments[0];
   ...
   

8. format()

   String.prototype.format = String.prototype.format || function () {
     var string = this
     for (var i = 0, j = arguments.length; i < j; i++) {
       string = string.replace(new RegExp('\\{' + i + '\\}', 'gm'), arguments[i])
     return string
   

9. format()

   String.prototype.format = String.prototype.format || function format() {
       var args = arguments;
       return this.replace(/\{(\d+)\}/g, function($0, $1) {
           return args[+$1];
       });
   };