open-consul/ui/packages/consul-ui/app/helpers/style-map.mdx

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# style-map
`{{style-map}}` is used to easily add a list of styles, conditionally, and
have them all formatted nicely to be printed in a DOM `style` attribute.
As well as an entry-like array you can also pass an additional `unit` property
as the 3rd item in the array. This is to make it easier to do mathamatical
calculations for units without having to use `(concat)`.
If any property has a value of `null` or `undefined`, that style property will
not be included in the resulting string.
```hbs preview-template
<figure>
<figcaption>
This div has the correct style added/omitted.
</figcaption>
<div
style={{style-map
(array 'outline' '1px solid red')
(array 'width' '600px')
(array 'height' 100 'px')
(array 'padding' 1 'rem')
(array 'background' null)
}}
>
<code>
style={{style-map
(array 'outline' '1px solid red')
(array 'width' '600px')
(array 'height' 100 'px')
(array 'padding' 1 'rem')
(array 'background' null)
}}
</code>
</div>
</figure>
```
## Positional Arguments
| Argument | Type | Default | Description |
| --- | --- | --- | --- |
| `entries` | `styleInfo[]` | | An array of `styleInfo`s to map |
## Named Arguments
| Argument | Type | Default | Description |
| --- | --- | --- | --- |
| `transform` | `boolean` | true | whether to perform the build-time 'helper to modifier' transpilation |
## Types
| Type | Default | Description |
| --- | --- | --- |
| `styleInfo` | `([string, (string \| undefined), string] \| [string, (string \| undefined)])` | |