{{#checkIfNone}} helper
Block helper which renders its content when none of the arguments has a value. It is the opposite of the #checkIfAny helper. Use it for fallback content, for example a message when a post has neither an author nor tags.
Syntax:
{{#checkIfNone ARG_1 ARG_2 ARG_3 ... ARG_N}}
Code displayed when above condition is true
{{else}}
Code displayed when above condition is false
{{/checkIfNone}}
Example:
{{#checkIfNone author tags}}
Block displayed when author data and tags data are empty
{{/checkIfNone}}