From ba943148b6a17110b4ec55f923d19731569f9a10 Mon Sep 17 00:00:00 2001
From: 5jiji <git@5jiji.com>
Date: Sun, 7 Dec 2025 00:38:52 +0100
Subject: [PATCH] Hovering over DIDs now makes a popup appear!

---
 src/components/didlink.tsx | 94 ++++++++++++++++++++++++++++++++++++++
 src/components/json.tsx    |  5 +-
 2 files changed, 96 insertions(+), 3 deletions(-)
 create mode 100644 src/components/didlink.tsx

diff --git a/src/components/didlink.tsx b/src/components/didlink.tsx
new file mode 100644
index 0000000..abed70d
--- /dev/null
+++ b/src/components/didlink.tsx
@@ -0,0 +1,94 @@
+import { A } from "@solidjs/router";
+import { createSignal, createEffect, Show } from "solid-js";
+import { createStore } from "solid-js/store";
+import { Client, CredentialManager, SuccessClientResponse } from "@atcute/client";
+import { Did } from "@atcute/lexicons";
+import { mainSchema } from "@atcute/bluesky/types/app/actor/getProfile";
+
+type getProfileResult = SuccessClientResponse<mainSchema, {params: {actor: Did}}>["data"];
+
+export const DIDLink = (props: {
+  did: Did
+}) => {
+  let [hover, setHover] = createSignal(false);
+  const [previewHeight, setPreviewHeight] = createSignal(0);
+  const [data, setData] = createStore<Record<Did, getProfileResult>>();
+  
+  let rkeyRef!: HTMLSpanElement;
+  let previewRef!: HTMLSpanElement;
+
+  createEffect(async () => {
+    if (hover()) {
+      setPreviewHeight(previewRef.offsetHeight);
+      
+      if (data[props.did] === undefined) {
+        let data = await getData(props.did);
+        if (data) setData(props.did, data);
+      }
+    };
+  });
+
+  const getData = async (did: Did) => {
+    const rpc = new Client({
+      handler: new CredentialManager({service: "https://public.api.bsky.app"}),
+    });
+    const res = await rpc.get("app.bsky.actor.getProfile", { params: { actor: did } });
+    if (res.ok) {
+      return res.data;
+    }
+    return null;
+  }
+
+  const isOverflowing = (previewHeight: number) =>
+    rkeyRef.offsetTop - window.scrollY + previewHeight + 32 > window.innerHeight;
+
+  return (
+    <span
+      ref={rkeyRef}
+      onmouseover={() => setHover(true)}
+      onmouseleave={() => setHover(false)}
+      class="relative w-full min-w-0 items-start rounded px-0.5 hover:bg-neutral-200 active:bg-neutral-300 dark:hover:bg-neutral-700 dark:active:bg-neutral-600"
+    >
+      <A class="text-blue-400 hover:underline active:underline" href={`/at://${props.did}`}>
+        {props.did}
+      </A>
+      <Show when={hover()}>
+        <span
+          ref={previewRef}
+          class={`dark:bg-dark-300 dark:shadow-dark-700 pointer-events-none absolute left-[50%] z-25 block max-h-80 w-max max-w-sm -translate-x-1/2 overflow-hidden rounded-lg border-[0.5px] border-neutral-300 bg-neutral-50 p-2 text-xs whitespace-pre-wrap shadow-md sm:max-h-112 lg:max-w-lg dark:border-neutral-700 ${isOverflowing(previewHeight()) ? "bottom-7" : "top-7"}`}
+        >
+          <span
+            class="flex items-center gap-2 rounded-md p-2 hover:bg-neutral-200 active:bg-neutral-300  dark:hover:bg-neutral-700 dark:active:bg-neutral-600"
+          >
+            <Show
+              when={data[props.did]?.avatar}
+              fallback={<span class="size-9 iconify rounded-full lucide--user-round" />}
+            >
+              <img
+                src={data[props.did].avatar?.replace("img/avatar/", "img/avatar_thumbnail/")}
+                class="size-9 iconify rounded-full"
+              />
+            </Show>
+
+            <div class="flex flex-col">
+              <Show
+                when={data[props.did]?.displayName}
+                fallback={<span class="text-sm font-medium">{props.did}</span>}
+              >
+                <span class="text-sm font-medium">{data[props.did].displayName}</span>
+              </Show>
+              <Show
+                when={data[props.did]?.handle}
+                fallback={<span class="text-xs text-neutral-600 dark:text-neutral-400">@handle.invalid</span>}
+              >
+                <span class="text-xs text-neutral-600 dark:text-neutral-400">
+                  @{data[props.did].handle}
+                </span>
+              </Show>
+            </div>
+          </span>
+        </span>
+      </Show>
+    </span>
+  )
+}
diff --git a/src/components/json.tsx b/src/components/json.tsx
index 7f7b758..eef22da 100644
--- a/src/components/json.tsx
+++ b/src/components/json.tsx
@@ -6,6 +6,7 @@ import { hideMedia } from "../views/settings";
 import { pds } from "./navbar";
 import { addNotification, removeNotification } from "./notification";
 import VideoPlayer from "./video-player";
+import { DIDLink } from "./didlink.tsx";
 
 interface AtBlob {
   $type: string;
@@ -61,9 +62,7 @@ const JSONString = (props: {
                 {part}
               </A>
             : isDid(part) ?
-              <A class="text-blue-400 hover:underline active:underline" href={`/at://${part}`}>
-                {part}
-              </A>
+              <DIDLink did={part} />
             : isNsid(part.split("#")[0]) && props.isType ?
               <button
                 type="button"
-- 
2.43.0