minor updates channel

src/components/form/channel.tsx

@@ -0,0 +1,128 @@
+import ImagePicker from '@components/form/imagePicker';
+import { RelayContext } from '@components/relaysProvider';
+import { UserMini } from '@components/user/mini';
+
+import { channelReplyAtom } from '@stores/channel';
+import { FULL_RELAYS } from '@stores/constants';
+
+import { dateToUnix } from '@utils/getDate';
+
+import useLocalStorage from '@rehooks/local-storage';
+import { Cancel } from 'iconoir-react';
+import { useAtomValue } from 'jotai';
+import { useResetAtom } from 'jotai/utils';
+import { getEventHash, signEvent } from 'nostr-tools';
+import { useCallback, useContext, useState } from 'react';
+
+export const FormChannel = ({ eventId }: { eventId: string | string[] }) => {
+  const [pool, relays]: any = useContext(RelayContext);
+
+  const [value, setValue] = useState('');
+  const [activeAccount]: any = useLocalStorage('account', {});
+
+  const channelReply = useAtomValue(channelReplyAtom);
+  const resetChannelReply = useResetAtom(channelReplyAtom);
+
+  const submitEvent = useCallback(() => {
+    let tags;
+
+    if (channelReply.id !== null) {
+      tags = [
+        ['e', eventId, '', 'root'],
+        ['e', channelReply.id, '', 'reply'],
+        ['p', channelReply.pubkey, ''],
+      ];
+    } else {
+      tags = [['e', eventId, '', 'root']];
+    }
+
+    const event: any = {
+      content: value,
+      created_at: dateToUnix(),
+      kind: 42,
+      pubkey: activeAccount.pubkey,
+      tags: tags,
+    };
+    event.id = getEventHash(event);
+    event.sig = signEvent(event, activeAccount.privkey);
+
+    // publish note
+    pool.publish(event, FULL_RELAYS);
+    // reset state
+    setValue('');
+    // reset channel reply
+    resetChannelReply();
+  }, [
+    value,
+    channelReply.id,
+    channelReply.pubkey,
+    activeAccount.pubkey,
+    activeAccount.privkey,
+    eventId,
+    resetChannelReply,
+    pool,
+    relays,
+  ]);
+
+  const handleEnterPress = (e) => {
+    if (e.key === 'Enter' && !e.shiftKey) {
+      e.preventDefault();
+      submitEvent();
+    }
+  };
+
+  const stopReply = () => {
+    resetChannelReply();
+  };
+
+  return (
+    <div
+      className={`relative ${
+        channelReply.id ? 'h-36' : 'h-24'
+      } w-full shrink-0 overflow-hidden before:pointer-events-none before:absolute before:-inset-1 before:rounded-[11px] before:border before:border-fuchsia-500 before:opacity-0 before:ring-2 before:ring-fuchsia-500/20 before:transition after:pointer-events-none after:absolute after:inset-px after:rounded-[7px] after:shadow-highlight after:shadow-white/5 after:transition focus-within:before:opacity-100 focus-within:after:shadow-fuchsia-500/100 dark:focus-within:after:shadow-fuchsia-500/20`}
+    >
+      {channelReply.id && (
+        <div className="absolute left-0 top-0 z-10 h-14 w-full p-[2px]">
+          <div className="flex h-full w-full items-center justify-between rounded-t-md border-b border-zinc-700/70 bg-zinc-900 px-3">
+            <div className="flex w-full flex-col">
+              <UserMini pubkey={channelReply.pubkey} />
+              <div className="-mt-3.5 pl-[32px]">
+                <div className="text-xs text-zinc-200">{channelReply.content}</div>
+              </div>
+            </div>
+            <button
+              onClick={() => stopReply()}
+              className="inline-flex h-5 w-5 items-center justify-center rounded hover:bg-zinc-800"
+            >
+              <Cancel width={12} height={12} className="text-zinc-100" />
+            </button>
+          </div>
+        </div>
+      )}
+      <textarea
+        value={value}
+        onChange={(e) => setValue(e.target.value)}
+        onKeyDown={handleEnterPress}
+        spellCheck={false}
+        placeholder="Message"
+        className={`relative ${
+          channelReply.id ? 'h-36 pt-16' : 'h-24 pt-3'
+        } w-full resize-none rounded-lg border border-black/5 px-3.5 pb-3 text-sm shadow-input shadow-black/5 !outline-none placeholder:text-zinc-400 dark:bg-zinc-800 dark:text-zinc-200 dark:shadow-black/10 dark:placeholder:text-zinc-500`}
+      />
+      <div className="absolute bottom-2 w-full px-2">
+        <div className="flex w-full items-center justify-between bg-zinc-800">
+          <div className="flex items-center gap-2 divide-x divide-zinc-700"></div>
+          <div className="flex items-center gap-2">
+            <button
+              onClick={() => submitEvent()}
+              disabled={value.length === 0 ? true : false}
+              className="inline-flex h-8 w-16 items-center justify-center rounded-md bg-fuchsia-500 px-4 text-sm font-medium shadow-button hover:bg-fuchsia-600 disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50"
+            >
+              Send
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};