Nodejs String Format format(options)

Method Source Code

String.prototype.format = function(options) {
    var formattedStr = this
        ,option;//from w  ww.j av a 2 s.c om
    for (option in options ) {
        var placeHolder = new RegExp('#{' + option + '}');
        formattedStr = formattedStr.replace(placeHolder, options[option]);
    }
    return formattedStr;
};

console.log('Hello, there! Are you #{name}?'.format({name: 'John'}));
console.log('My name is #{name} and I am #{age}-years-old'.format({name: 'John', age: 13}));

Related

1. format(object)

   String.prototype.format = function (object) {
       var self=this;
       for (var item in object) {
           var replaceItem = object[item],
               regExp = new RegExp('#{' + item + '}');
           self=self.replace(regExp, replaceItem);
       return self;
   var object = {
       name: 'John',
       age: 15,
       gender: 'male'
   };
   var str = 'My name is #{name}, I am #{age}-years-old and my gender is #{gender}'.format(object);
   console.log('TASK 1:\n'+str);
   

2. format(options)

   function solve(args) {
   String.prototype.format = function(options) {
       var prop,
           result = this;
       for (prop in options) {
           result = result.replace(new RegExp('#{' + prop + '}', 'g'), options[prop]);
       return result;
   };
   ...
   

3. format(options)

   String.prototype.format = function(options) {
     var option,
       toReplace,
       str = this;
     for (option in options) {
       toReplace = new RegExp('#{' + option + '}');
       str = str.replace(toReplace, options[option]);
     console.log(str);
   ...
   

4. format(options)

   String.prototype.format = function(options) {
     var option,
       regex,
       formatted = this;
     for (option in options) {
       regex = new RegExp('#{' + option + '}', 'g');
       formatted = formatted.replace(regex, options[option]);
     return formatted;
   ...
   

5. format(options)

   String.prototype.format = function (options) {
     return this.replace(/(?:#{(\w+)})/g, function ($0, $1) {
       return options[$1];
     });
   };
   var options1 = {name: 'John'};
   console.log('Hello, there! Are you #{name}?'.format(options1));
   var options2 = {name: 'John', age: 13};
   console.log('My name is #{name} and I am #{age}-years-old'.format(options2));
   ...
   

6. format(options)

   String.prototype.format=function(options) {
       var string = this;
       for (var i in options) {
           var pattern = '#{' + (i) + '\\}';
           var regex = new RegExp(pattern, 'g');
           string = string.replace(regex, options[i]);
       return string;
   var options = {name: 'John'};
   console.log('Hello, there! Are you #{name}?'.format(options));
   var options = {name: 'John', age: 13};
   console.log('My name is #{name} and I am #{age}-years-old'.format(options));
   

7. format(options)

   var jsConsole;
   String.prototype.format = function (options) {
       return this.replace(/(?:#{(\w+)})/g, function ($0, $1) {
           return options[$1];
       });
   };
   var exampleOne = { name: 'John' };
   jsConsole.writeLine('Hello, there! Are you #{name}?'.format(exampleOne));
   var exampleTwo = { name: 'John', age: 13 };
   ...
   

8. format(options)

   String.prototype.format = function(options) {
       var prop,
           result = this;
       for (prop in options) {
           result = result.replace(new RegExp('#{' + prop + '}', 'g'), options[prop]);
       return result;
   };
   var options = {
   ...
   

9. format(options)

   String.prototype.format = function(options) {
     var option,
       regex,
       result = this;
     for (option in options) {
       regex = new RegExp('#{' + option + '}', 'g');
       result = result.replace(regex, options[option]);
     return result;
   ...