Nodejs String Format format(format)

Method Source Code

String.format = function (format) {
    var args = Array.prototype.slice.call(arguments, 1);
    return format.replace(/{(\d+)}/g, function (match, number) {
        return typeof args[number] != 'undefined'
        ? args[number]//from   w  w  w .  j a v a2s . c  om
        : match;
    });
};

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

Related

1. format(ctx)

   String.prototype.format = function (ctx) {
     return this.replace(/\$\{([\w\.]+)\}/g, function(all, varname) {
       var keys = varname.split('.');
       var val = null;
       for (var i = 0, len = keys.length; i < len; i++) {
         val = ctx[keys[i]];
       return val;
     });
   ...
   

2. format(data)

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

3. 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 = [];
   ...
   

4. 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(),
   ...
   

5. 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;
   ...
   

6. format(i, safe, arg)

   String.prototype.format = function(i, safe, arg) {
     function format() {
       var str = this, len = arguments.length+1;
       for (i=0; i < len; arg = arguments[i++]) {
         safe = typeof arg === 'object' ? JSON.stringify(arg) : arg;
         str = str.replace(RegExp('\\{'+(i-1)+'\\}', 'g'), safe);
       return str;
     format.native = String.prototype.format;
     return format;
   }();
   

7. format(i, safe, arg)

   String.prototype.format = function(i, safe, arg) {
     function format() {
       var str = this, len = arguments.length+1;
       for (i=0; i < len; arg = arguments[i++]) {
         safe = typeof arg === 'object' ? JSON.stringify(arg) : arg;
         str = str.replace(RegExp('\\{'+(i-1)+'\\}', 'g'), safe);
       return str;
     format.native = String.prototype.format;
     return format;
   }();
   

8. format(o)

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

9. format(o)

   String.prototype.format = function(o){
       var self = this;
       for(var i in o)self = self.replace(new RegExp("\\$\\{" + i + "\\}", "g"), o[i]);
       return self;
   };