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README.mdx
--- state: needs-love --- # TabNav `<TabNav />` renders a list of items as linked tabs (there is also an option to use labels vs anchors for links for radio button based tabs). Each item in the list should be a hash of `label`, `href` and `selected`. - `label`: The text to show - `href`: a href, probably generated via `href-to` - `selected`: whether the item is in the selected state or not, probably of the state to transition to. There are two similar event handlers, `@onclick` and `@onTabClick`. When using `@onclick`, the `item.label` is passed to the handler. When using `@onTabClick` the entire 'item' is passed instead, therefore you can add arbitrary properties to the 'item' to be used in the handler. **Please note:** This component should probably be rebuilt using contextual components, and real events. Alternatively this could be hand built with native HTML using the same `nav/ul/li/a` pattern and you could just use the CSS component to style it. Unless there is a reason to do this, this component should be used pending a refactor (please remove this note once refactored into contextual components) ```hbs preview-template <figure> <figcaption>A TabNav with a conditional button using `compact` which removes empty values from arrays</figcaption> <TabNav @items={{ compact (array (hash label="Health Checks" href="#" selected=true) (hash label="Service Instances" href="#" selected=(is-href "docs.something")) (if false (hash label="Don't show me" href="#" selected=false) '') (hash label="Lock Sessions" href="#" selected=false) (hash label="Metadata" href="#" selected=false) ) }}/> </figure> ``` A TabNav with using a `StateMachine.dispatch` ```hbs <figure> <figcaption>A TabNav with using a StateMachine.dispatch</figcaption> <TabNav @items={{ compact (array (hash label="1" selected=(state-matches fsm.state 'one') state="ONE" ) (hash label="2" selected=(state-matches fsm.state 'two') state="TWO" ) ) }} @onTabClicked={{pick 'state' fsm.dispatch}} /> </figure> ``` ```css .tab-nav { @extend %tab-nav; } ```