Nodejs String Format format(ctx)

Method Source Code

String.prototype.format = function (ctx) {
   return this.replace(/\$\{([\w\.]+)\}/g, function(all, varname) {
      var keys = varname.split('.');
      /*from www  .  jav  a 2 s  . c o m*/
      var val = null;
      for (var i = 0, len = keys.length; i < len; i++) {
         val = ctx[keys[i]];
      }
      
      return val;
   });
}

Related

1. format(args)

   String.prototype.format = function (args) {
       var str = this;
       return str.replace(String.prototype.format.regex, function (item) {
           var intVal = parseInt(item.substring(1, item.length - 1));
           var replace;
           if (intVal >= 0) {
               replace = args[intVal];
           } else if (intVal === -1) {
               replace = "{";
   ...
   

2. format(args)

   'use strict';
   String.prototype.format = function (args) {
       if (arguments.length>0) {
           var result = this;
           console.log(this)
           if (arguments.length ==1 && typeof(args)=="object") {
               for(var key in args){
                   var reg = new RegExp ("({"+key+"})","g");
                   result = result.replace(reg,args[key]);
   ...
   

3. format(args)

   String.prototype.format = function(args)
       var result = this;
       if (arguments.length > 0)
           var reg;
           if (arguments.length == 1 && typeof(args) == "object")
               for (var key in args)
   ...
   

4. format(args)

   String.prototype.format = function (args) {
       var newStr = this;
       for (var key in args) {
           newStr = newStr.replace('{' + key + '}', args[key]);
       return newStr;
   

5. format(args, index)

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

6. format(data)

   String.prototype.format = function(data) {
       return this.replace(/{(.+?)}/g, function(match, name) {
           return data[name] || match;
       });
   };
   

7. format(dict)

   String.prototype.format = function(dict) {
     var result = this;
     if(typeof(dict) === "object") {
       Object.keys(dict).forEach(function(key) {
         result = result.replace("{" + key + "}", dict[key]);
       });
       return result;
     var args = [];
   ...
   

8. format(fmt)

   String.prototype.format = function (fmt) {
       if (fmt==null) fmt = "yyyy-MM-dd";
       var myDate = new Date(this);
       var o = {
           "M+": myDate.getMonth() + 1,
           "d+": myDate.getDate(),
           "h+": myDate.getHours(),
           "m+": myDate.getMinutes(),
           "s+": myDate.getSeconds(),
   ...
   

9. format(format)

   String.prototype.format = function (format) {
       const holders = JSON.parse(format),
           regex = new RegExp('(#{(\\w+)})', 'g');
       let transformed = this,
           currentMatch = '';
       while ((currentMatch = regex.exec(this)) !== null) {
           transformed = transformed.replace(currentMatch[1], holders[currentMatch[2]]);
       return transformed;
   ...