/routes/items/[id]/_(components)/ItemPartial.tsx
return ( <Partial name="item"> <h1>{props.item.title}</h1> </Partial>)
/routes/items/[id]/partial.tsx
const item = await fetchItem();return ( <ItemPartial item={item} />)
/routes/items/[id]/index.tsx
const item = await fetchItem();return ( <div f-client-nav> <a href="/items/1" f-partial="/items/1/partial">Item 1</a> <a href="/items/2" f-partial="/items/2/partial">Item 2</a> <ItemPartial item={item} /> </div>)
my content
/routes/my
<div f-client-nav><a href="" f-partial="/partials/my-partial"><Partial name="foo">my content</Partial></div>
/routes/partials/my-partial
<Partial name="foo">my content</Partial>
<Partial name="something">
f-partial
<Partial name="somthing">
<div f-client-nav> <a href="somewhere">link</a> <Partial name="something"> </Partial> </div>
0xffffffffffffffffn