How to add (gt, lt, eq) condition in handlebarjs for sendgrid email?

[mariokam]

Actual Behaviour

It returns The template you provided is invalid.

<!--{{#if (&gt; 1 2) }}-->
foo
<!--{{else}}-->
bar
<!--{{/if}}-->

Expected Behaviour

bar should be displayed

Steps to reproduce it

Use Sendgrid Email Design Editor and just add code block and try it.

[mariokam]

Or at least something like

<!--{{#if 1 > 2 }}-->
foo
<!--{{else}}-->
bar
<!--{{/if}}-->