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Handlebars Use Cases

Simple Use Cases

Conditionally rendering content

#if blocks can be used to control whether content is rendered.

<!-- equal -->
{{#if (condition (var "some_variable") "==" "show")}}
<div align="center">Hello!</div>

<!-- strict equal -->
{{#if (condition (var "some_variable") "===" "show")}}
<div align="center">Hello!</div>

<!-- not equal -->
{{#if (condition (var "some_variable") "!=" "hide")}}
<div align="center">Hello!</div>

<!-- greater than -->
{{#if (condition (var "some_array.length") ">" 0)}}
<div align="center">Hello!</div>

<!-- greater than or equal -->
{{#if (condition (var "some_array.length") ">=" 0)}}
<div align="center">Hello!</div>

<!-- less than -->
{{#if (condition (var "some_array.length") "<" 0)}}
<div align="center">Hello!</div>

<!-- less than or equal -->
{{#if (condition (var "some_array.length") "<=" 0)}}
<div align="center">Hello!</div>

Pluralizing Text

The formatMessage helper can be used to pluralize text in rendered content. Pluralization respects the ICU format and entries follow Unicode CLDR rules.


Your list contains
"{itemCount, plural,
=0 {no items}
one {# item}
other {# items}

Setting Variables in the payload

Using a Handlebars block, you can transform and set a variable, which can then be used in a template

{{ set "number_rounded (round (var "data.number" )) }}
Designer                  Preview                  

Using the intl block for localization

You can wrap Handlebars functions with the intl block in order to access internationalization features including currency, number formatting and dates. See Handlebars-intl for more information.

{{#intl formats=intl.formats locales="en-US"}}
(formatMessage "{winPct, number, maximumFractionDigits=2}" winPct=(var "data.winPct"))
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