ES6 Generators and Tagged Template Strings in io.js!

gistfile1.js

var _ = require('lodash');

function taggzies () {
    var strings = arguments[0];    
    var vals = _.slice(arguments, 1);

    //ES6 Generator
    function* val() {
        var len = vals.length;        
        for (var i = 0; i < len; i++) yield vals[i];
        while (true) yield "";
    };
    
    // instantiate generator
    var valgen = val();

    return _.reduce(strings, function(prev, v) {
        return prev + v + valgen.next().value;
    }, "");    
}

// tagged template string.
// see: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/template_strings
var output = taggzies`foo ${"pazzaaaz!!"} bar`;

console.log(output);

outputs: abcdefg pazzaaaz!! hijklmnop