Nodejs String Format format()

Method Source Code

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]);
    }// w w  w  .j av  a 2s  .c o  m
    return formatted;
};

function pad(n) {
    return n < 10 ? '0' + n : n;
}

function formatDate(d) {
    return d.getFullYear() + "/" + pad(d.getMonth() + 1) 
       + "/" + pad(d.getDate()) + " " + pad(d.getHours()) + ":" + pad(d.getMinutes()) + ":" + pad(d.getSeconds());
}

Related

1. format()

   'use strict';
   String.prototype.format = function() {
     var self = this;
     for(var i = 0; i < arguments.length; i += 1) {
       var reg = new RegExp("\\{" + i + "\\}", "gm");
       self = self.replace(reg, arguments[i]);
     return self;
   };
   ...
   

2. format()

   String.prototype.format = function() {
       var args = arguments;
       return this.replace(/\$\{p(\d)\}/g, (match, id) => {
           return args[id]
       })
   String.prototype.sid = function() {
       return `${this.substring(0, 7)}...`
   

3. format()

   String.prototype.format = function(){
     return this.replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1,");
   };
   

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;
   };
   

5. format()

   String.prototype.format = function() {
       "use strict";
       var e = this.toString();
       if (!arguments.length) {
           return e;
       var t = typeof arguments[0],
           n = "string" == t || "number" == t ? Array.prototype.slice.call(arguments) : arguments[0];
       for (var i in n) {
   ...
   

6. format()

   String.prototype.format = function() { 
     s = this;
     if (arguments.length == 1 && arguments[0].constructor == Object) {
       for (var key in arguments[0]) {
         s = s.replace(new RegExp("\\{" + key + "\\}", "g"), arguments[0][key]);
     } else {
       for (var i = 0; i < arguments.length; i++) {
         s = s.replace(new RegExp("\\{" + (i+1) + "\\}", "g"), arguments[i]);
   ...
   

7. format()

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

8. format()

   'use strict';
   String.prototype.format = function () {
       var formatted = this,
           i;
       for (i = 0; i < arguments.length; i += 1) {
           formatted = formatted.replace("{" + i + "}", arguments[i]);
       return formatted;
   };
   ...
   

9. format()

   String.prototype.format = function(){
     var ret = this.toString();
     for (var i = 0; i < arguments.length; i++) {
       ret = ret.replace("%s", arguments[i]);
     return ret;
   };