Handlebarjs debug helper

gistfile1.js

Handlebars.registerHelper("debug", function(optionalValue) {
  console.log("Current Context");
  console.log("====================");
  console.log(this);
 
  if (optionalValue) {
    console.log("Value");
    console.log("====================");
    console.log(optionalValue);
  }
});

/*
You could then use that helper in any template like:
{{debug}}

{{debug someValue}}

Current Context
====================
email: "alan@test.com"
first_name: "Alan"
last_name: "Johnson"
member_since: "Mar 25, 2011"
phone: "1234567890"
stripeClass: "even"
__proto__: Object
Value
====================
Alan
*/

// source http://blog.teamtreehouse.com/handlebars-js-part-3-tips-and-tricks