Nodejs String Format format(params)

Method Source Code

// e.g. '{last}, {first}'.format({first: 'John', last: 'Doe'})
//       => 'Doe, John'
String.prototype.format = function(params) {
  if (!params) {throw new Error('No arguments passed');}
  return this.replace(/\{([a-zA-Z0-9]+)\}/g, function() {
    var key = arguments[1];
    if (params.hasOwnProperty(key)) {
      return params[key];
    } else {//w  w  w  .j  av  a2  s .  c  o m
      return arguments[0];
    }
  });
};

Related

1. 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 options01 = { name: 'John' };
   ...
   

2. format(opts)

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

3. format(opts)

   String.prototype.format = function(opts) {
       var source = this,
           data = Array.prototype.slice.call(arguments, 0),
           toString = Object.prototype.toString;
       if (data.length) {
           data = data.length == 1 ?
               (opts !== null && (/\[object Array\]|\[object Object\]/.test(toString.call(opts))) ? opts : data) : data;
           return source.replace(/%\{(.+?)\}/g, function(match, key) {
               var replacer = data[key];
   ...
   

4. format(param)

   String.prototype.format = function(param) {
       var formatted = this;
       for(i in param ){
           var regexp = new RegExp('\\{'+i+'\\}', 'gi');
           formatted = formatted.replace(regexp, param[i]);
       return formatted;
   };
   

5. format(parameters)

   var FORMAT_PARAMETER_PATTERN;
   FORMAT_PARAMETER_PATTERN = /\@\(([a-zA-Z](?:[a-zA-Z0-9_]*))\)/g;
   String.prototype.format = function(parameters) {
     var value;
     value = this.valueOf();
     return value.replace(FORMAT_PARAMETER_PATTERN, function(match, name) {
       var _ref;
       return (_ref = parameters != null ? parameters[name] : void 0) != null ? _ref : "<>";
     });
   ...
   

6. format(params)

   String.prototype.format = function(params){
     var formatted = this;
     var fn = function(key, value){
       var regexp = new RegExp('\\{' + key + '\\}', 'gi');
       formatted = formatted.replace(regexp, value);
     };
     if (typeof(params) == 'object') {
       for (var x in params) {
         fn(x, params[x]);
   ...
   

7. format(params)

   String.prototype.format = function (params) {
       'use strict';
       var p,
           regex,
           result;
       result = this;
       for (p in params) {
           if (params.hasOwnProperty(p)) {
               regex = new RegExp('#{' + p + '}', 'g');
   ...
   

8. format(params)

   String.prototype.format = function (params){
       var reg = /{(\d+)}/gm;
       return this.replace(reg,function(match,name){
           return params[~~name];}
       );
   };
   

9. format(string)

   function ms_to_days(m) {
     return Math.floor(m / (86400 * 1000) + 0.5)
   function date_period_to_ms(dp) {
     var ym = dp.split('-', 2)
     return new Date(ym[0], parseInt(ym[1], 10) - 1, 1);
   Date.prototype.format = function (string) {  
     string = string.replace(/%b/, I18n.t('date.abbr_month_names')[this.getMonth() + 1], 'g');
   ...