Add custom emoji parsing and display

src/app/components/ReactionSummary.svelte

@@ -2,20 +2,29 @@
   import {onMount} from "svelte"
   import type {Snippet} from "svelte"
   import {groupBy, uniq, uniqBy, batch, displayList} from "@welshman/lib"
-  import {REACTION, getReplyFilters, getTag, REPORT, DELETE} from "@welshman/util"
-  import type {TrustedEvent} from "@welshman/util"
+  import {
+    REACTION,
+    getReplyFilters,
+    getEmojiTags,
+    getEmojiTag,
+    getTag,
+    REPORT,
+    DELETE,
+  } from "@welshman/util"
+  import type {TrustedEvent, EventContent} from "@welshman/util"
   import {deriveEvents} from "@welshman/store"
   import {load} from "@welshman/net"
   import {pubkey, repository, displayProfileByPubkey} from "@welshman/app"
   import {isMobile, preventDefault, stopPropagation} from "@lib/html"
   import Icon from "@lib/components/Icon.svelte"
+  import Reaction from "@app/components/Reaction.svelte"
   import EventReportDetails from "@app/components/EventReportDetails.svelte"
-  import {displayReaction} from "@app/state"
   import {pushModal} from "@app/modal"
 
   interface Props {
-    event: any
-    onReactionClick: any
+    event: TrustedEvent
+    deleteReaction: (event: TrustedEvent) => void
+    createReaction: (event: EventContent) => void
     url?: string
     reactionClass?: string
     noTooltip?: boolean
@@ -24,7 +33,8 @@
 
   const {
     event,
-    onReactionClick,
+    deleteReaction,
+    createReaction,
     url = "",
     reactionClass = "",
     noTooltip = false,
@@ -39,14 +49,31 @@
     filters: [{kinds: [REACTION], "#e": [event.id]}],
   })
 
+  const onReactionClick = (events: TrustedEvent[]) => {
+    const reaction = events.find(e => e.pubkey === $pubkey)
+
+    if (reaction) {
+      deleteReaction(reaction)
+    } else {
+      const [event] = events
+
+      createReaction({
+        content: event.content,
+        tags: getEmojiTags(event.content.replace(/:/g, ""), event.tags),
+      })
+    }
+  }
+
   const onReportClick = () => pushModal(EventReportDetails, {url, event})
 
   const reportReasons = $derived(uniq($reports.map(e => getTag("e", e.tags)?.[2])))
 
+  const getReactionKey = (e: TrustedEvent) => getEmojiTag(e.content, e.tags)?.join("") || e.content
+
   const groupedReactions = $derived(
     groupBy(
-      e => e.content,
-      uniqBy(e => e.pubkey + e.content, $reactions),
+      getReactionKey,
+      uniqBy(e => `${e.pubkey}${getReactionKey(e)}`, $reactions),
     ),
   )
 
@@ -86,12 +113,12 @@
         <span>{$reports.length}</span>
       </button>
     {/if}
-    {#each groupedReactions.entries() as [content, events]}
+    {#each groupedReactions.entries() as [key, events]}
       {@const pubkeys = events.map(e => e.pubkey)}
       {@const isOwn = $pubkey && pubkeys.includes($pubkey)}
       {@const info = displayList(pubkeys.map(pubkey => displayProfileByPubkey(pubkey)))}
-      {@const tooltip = `${info} reacted ${displayReaction(content)}`}
-      {@const onClick = () => onReactionClick(content, events)}
+      {@const tooltip = `${info} reacted`}
+      {@const onClick = () => onReactionClick(events)}
       <button
         type="button"
         data-tip={tooltip}
@@ -101,7 +128,7 @@
         class:border-solid={isOwn}
         class:border-primary={isOwn}
         onclick={stopPropagation(preventDefault(onClick))}>
-        <span>{displayReaction(content)}</span>
+        <Reaction event={events[0]} />
         {#if events.length > 1}
           <span>{events.length}</span>
         {/if}