Lazy load embed contents.

Use server config for image proxy.

src/components/common/AutoComplete.tsx

@@ -2,9 +2,9 @@ import { SYSTEM_USER_ID, User } from "revolt.js";
 import { Channels } from "revolt.js/dist/api/objects";
 import styled, { css } from "styled-components";
 
-import { StateUpdater, useContext, useState } from "preact/hooks";
+import { StateUpdater, useState } from "preact/hooks";
 
-import { AppContext } from "../../context/revoltjs/RevoltClient";
+import { useClient } from "../../context/revoltjs/RevoltClient";
 
 import { emojiDictionary } from "../../assets/emojis";
 import ChannelIcon from "./ChannelIcon";
@@ -52,7 +52,7 @@ export function useAutoComplete(
 ): AutoCompleteProps {
     const [state, setState] = useState<AutoCompleteState>({ type: "none" });
     const [focused, setFocused] = useState(false);
-    const client = useContext(AppContext);
+    const client = useClient();
 
     function findSearchString(
         el: HTMLTextAreaElement,

src/components/common/messaging/embed/Embed.tsx

@@ -5,6 +5,7 @@ import classNames from "classnames";
 import { useContext } from "preact/hooks";
 
 import { useIntermediate } from "../../../../context/intermediate/Intermediate";
+import { useClient } from "../../../../context/revoltjs/RevoltClient";
 
 import { MessageAreaWidthContext } from "../../../../pages/channels/messaging/MessageArea";
 import EmbedMedia from "./EmbedMedia";
@@ -19,11 +20,7 @@ const CONTAINER_PADDING = 24;
 const MAX_PREVIEW_SIZE = 150;
 
 export default function Embed({ embed }: Props) {
-    // ! FIXME: temp code
-    // ! add proxy function to client
-    function proxyImage(url: string) {
-        return `https://jan.revolt.chat/proxy?url=${encodeURIComponent(url)}`;
-    }
+    const client = useClient();
 
     const { openScreen } = useIntermediate();
     const maxWidth = Math.min(
@@ -95,7 +92,7 @@ export default function Embed({ embed }: Props) {
                                 {embed.icon_url && (
                                     <img
                                         className={styles.favicon}
-                                        src={proxyImage(embed.icon_url)}
+                                        src={client.proxyFile(embed.icon_url)}
                                         draggable={false}
                                         onError={(e) =>
                                             (e.currentTarget.style.display =
@@ -152,9 +149,10 @@ export default function Embed({ embed }: Props) {
                 <img
                     className={classNames(styles.embed, styles.image)}
                     style={calculateSize(embed.width, embed.height)}
-                    src={proxyImage(embed.url)}
+                    src={client.proxyFile(embed.url)}
                     type="text/html"
                     frameBorder="0"
+                    loading="lazy"
                     onClick={() => openScreen({ id: "image_viewer", embed })}
                     onMouseDown={(ev) =>
                         ev.button === 1 && window.open(embed.url, "_blank")

src/components/common/messaging/embed/EmbedMedia.tsx

@@ -3,6 +3,7 @@ import { Embed } from "revolt.js/dist/api/objects";
 import styles from "./Embed.module.scss";
 
 import { useIntermediate } from "../../../../context/intermediate/Intermediate";
+import { useClient } from "../../../../context/revoltjs/RevoltClient";
 
 interface Props {
     embed: Embed;
@@ -11,19 +12,15 @@ interface Props {
 }
 
 export default function EmbedMedia({ embed, width, height }: Props) {
-    // ! FIXME: temp code
-    // ! add proxy function to client
-    function proxyImage(url: string) {
-        return `https://jan.revolt.chat/proxy?url=${encodeURIComponent(url)}`;
-    }
-
     if (embed.type !== "Website") return null;
     const { openScreen } = useIntermediate();
+    const client = useClient();
 
     switch (embed.special?.type) {
         case "YouTube":
             return (
                 <iframe
+                    loading="lazy"
                     src={`https://www.youtube-nocookie.com/embed/${embed.special.id}?modestbranding=1`}
                     allowFullScreen
                     style={{ height }}
@@ -38,6 +35,7 @@ export default function EmbedMedia({ embed, width, height }: Props) {
                     frameBorder="0"
                     allowFullScreen
                     scrolling="no"
+                    loading="lazy"
                     style={{ height }}
                 />
             );
@@ -45,6 +43,7 @@ export default function EmbedMedia({ embed, width, height }: Props) {
             return (
                 <iframe
                     src={`https://open.spotify.com/embed/${embed.special.content_type}/${embed.special.id}`}
+                    loading="lazy"
                     frameBorder="0"
                     allowFullScreen
                     allowTransparency
@@ -59,6 +58,7 @@ export default function EmbedMedia({ embed, width, height }: Props) {
                     )}&color=%23FF7F50&auto_play=false&hide_related=false&show_comments=true&show_user=true&show_reposts=false&show_teaser=true&visual=true`}
                     frameBorder="0"
                     scrolling="no"
+                    loading="lazy"
                     style={{ height }}
                 />
             );
@@ -69,6 +69,7 @@ export default function EmbedMedia({ embed, width, height }: Props) {
                         embed.special.id
                     }/size=large/bgcol=181a1b/linkcol=056cc4/tracklist=false/transparent=true/`}
                     seamless
+                    loading="lazy"
                     style={{ height }}
                 />
             );
@@ -79,7 +80,8 @@ export default function EmbedMedia({ embed, width, height }: Props) {
                 return (
                     <img
                         className={styles.image}
-                        src={proxyImage(url)}
+                        src={client.proxyFile(url)}
+                        loading="lazy"
                         style={{ width, height }}
                         onClick={() =>
                             openScreen({