FeedCard & ListCard cleanups (#4644)

* Extract ListCard from FeedCard

* Export FeedCard.Action and optionally include in ListCard

* Remove list dual usage from most of FeedCard

* Update usages of FeedCard and ListCard

* Add back list purpose logic

* Make Action comp easier to use, clarify list purpose

* Rename Action to SaveButton

src/components/ListCard.tsx

@@ -0,0 +1,129 @@
+import React from 'react'
+import {View} from 'react-native'
+import {AppBskyActorDefs, AppBskyGraphDefs, AtUri} from '@atproto/api'
+import {Trans} from '@lingui/macro'
+import {useQueryClient} from '@tanstack/react-query'
+
+import {sanitizeHandle} from 'lib/strings/handles'
+import {precacheList} from 'state/queries/feed'
+import {useTheme} from '#/alf'
+import {atoms as a} from '#/alf'
+import {
+  Avatar,
+  Description,
+  Header,
+  Outer,
+  SaveButton,
+} from '#/components/FeedCard'
+import {Link as InternalLink, LinkProps} from '#/components/Link'
+import {Text} from '#/components/Typography'
+
+/*
+ * This component is based on `FeedCard` and is tightly coupled with that
+ * component. Please refer to `FeedCard` for more context.
+ */
+
+export {
+  Avatar,
+  AvatarPlaceholder,
+  Description,
+  Header,
+  Outer,
+  SaveButton,
+  TitleAndBylinePlaceholder,
+} from '#/components/FeedCard'
+
+const CURATELIST = 'app.bsky.graph.defs#curatelist'
+const MODLIST = 'app.bsky.graph.defs#modlist'
+
+type Props = {
+  view: AppBskyGraphDefs.ListView
+  showPinButton?: boolean
+}
+
+export function Default(props: Props) {
+  const {view, showPinButton} = props
+  return (
+    <Link label={view.name} {...props}>
+      <Outer>
+        <Header>
+          <Avatar src={view.avatar} />
+          <TitleAndByline
+            title={view.name}
+            creator={view.creator}
+            purpose={view.purpose}
+          />
+          {showPinButton && view.purpose === CURATELIST && (
+            <SaveButton view={view} pin />
+          )}
+        </Header>
+        <Description description={view.description} />
+      </Outer>
+    </Link>
+  )
+}
+
+export function Link({
+  view,
+  children,
+  ...props
+}: Props & Omit<LinkProps, 'to'>) {
+  const queryClient = useQueryClient()
+
+  const href = React.useMemo(() => {
+    return createProfileListHref({list: view})
+  }, [view])
+
+  React.useEffect(() => {
+    precacheList(queryClient, view)
+  }, [view, queryClient])
+
+  return (
+    <InternalLink to={href} {...props}>
+      {children}
+    </InternalLink>
+  )
+}
+
+export function TitleAndByline({
+  title,
+  creator,
+  purpose = CURATELIST,
+}: {
+  title: string
+  creator?: AppBskyActorDefs.ProfileViewBasic
+  purpose?: AppBskyGraphDefs.ListView['purpose']
+}) {
+  const t = useTheme()
+
+  return (
+    <View style={[a.flex_1]}>
+      <Text style={[a.text_md, a.font_bold, a.leading_snug]} numberOfLines={1}>
+        {title}
+      </Text>
+      {creator && (
+        <Text
+          style={[a.leading_snug, t.atoms.text_contrast_medium]}
+          numberOfLines={1}>
+          {purpose === MODLIST ? (
+            <Trans>
+              Moderation list by {sanitizeHandle(creator.handle, '@')}
+            </Trans>
+          ) : (
+            <Trans>List by {sanitizeHandle(creator.handle, '@')}</Trans>
+          )}
+        </Text>
+      )}
+    </View>
+  )
+}
+
+export function createProfileListHref({
+  list,
+}: {
+  list: AppBskyGraphDefs.ListView
+}) {
+  const urip = new AtUri(list.uri)
+  const handleOrDid = list.creator.handle || list.creator.did
+  return `/profile/${handleOrDid}/lists/${urip.rkey}`
+}