Nodejs String Interpolate interpolate(o)

Method Source Code

String.prototype.interpolate = function (o) {
    return this.replace(/{([^{}]*)}/g,
        function (a, b) {
            var r = o[b];
            return typeof r === 'string' || typeof r === 'number' ? r : a;
        }//from w  w  w . ja va2 s  .c  o  m
    );
};

exports.String = String;

Related

1. interpolate

   String.prototype.interpolate =
     function interpolate(vars)                                                                            
       return this.replace(/\$([0-9a-z-A-Z_]+)/g,
         function (m, id)
           return (typeof vars[id] === "undefined") ? m : vars[id]
       )
   ...
   

2. interpolate(o)

   String.prototype.interpolate = function (o) {
     if(o != undefined){
         return this.replace( /{{([^{{}}]*)}}/g,
             function (a, b) {
                 var r = o[b];
                 return typeof r === 'string' || typeof r === 'number' ? r : a;
         );
     return this.toString();  
   };
   

3. interpolate(o)

   String.prototype.interpolate = function (o) {
     return this.replace(/%\{([^\{\}]*)\}/g, function (a, b) {
         var r = o[b];
         return typeof r === 'string' || typeof r === 'number' ? r : a;
     );
   };
   

4. interpolate(o)

   String.prototype.interpolate = function (o) {
     return this.replace(/{([^{}]*)}/g,
       function (a, b) {
         var r = o[b];
         return typeof r === 'string' || typeof r === 'number' ? r : a;
     );
   };
   

5. interpolate(props)

   String.prototype.interpolate = function(props) {
     return this.replace(/\{\{(\w+)\}\}/g, function(match, expr) {
         return (props || window)[expr];
     });
   };