`{{#if(EXPRESSION)}}FN{{else}}INVERSE{{/if}}`

Renders FN if EXPRESSION is truthy or INVERSE if EXPRESSION is falsey. Both FN and INVERSE will be rendered with the current scope.

{{#if(person.isAwake())}} Hello {{/if}}

EXPRESSION {KeyLookup Expression|Call Expression}:
A lookup expression that will provide a truthy or falsey value.
FN {sectionRenderer(context, helpers)}:
A subsection that can be optionally rendered.
INVERSE {sectionRenderer(context, helpers)}:
An optional subsection that will be rendered if EXPRESSION is falsey and {{else}} is used.

Use

{{#if(key)}} provides explicit conditional truthy tests. For example,

The template:

{{#if(user.isFemale)}}
  {{#if(user.isMarried)}}
    Mrs
  {{/if}}
  {{#if(user.isSingle)}}
    Miss
  {{/if}}
{{/if}}

Rendered with:

{user: {isFemale: true, isMarried: true}}

Results in:

Mrs

If can be used with {{else}} too. For example,

{{#if(user.isFemale)}}
  {{#if(user.isMarried)}}
    Mrs
  {{else}}
    Miss
  {{/if}}
{{/if}}

Rendered with:

{user: {isFemale: true, isMarried: false}}

Results in:

Miss