Simple handlebars helper for preventing iframe click jacking
Educate yaself https://www.owasp.org/index.php/Clickjacking_Defense_Cheat_Sheet
npm install --save handlebars-anti-clickjack
Wherever you are handling your helpers, add it like so:
var clicky = require('handlebars-anti-clickjack')
clicky.register(handlebars)
In the head
of your main template add {{{anti-clickjack}}}
var clicky = require('handlebars-anti-clickjack')
handlebars.registerHelper('my-helper', clicky.helper(handlebars))