Add MemberCount plugin

src/plugins/memberCount.tsx

@@ -0,0 +1,119 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2022 Vendicated and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import ErrorBoundary from "@components/ErrorBoundary";
+import { Flex } from "@components/Flex";
+import { Devs } from "@utils/constants";
+import { getCurrentChannel } from "@utils/discord";
+import { useForceUpdater } from "@utils/misc";
+import definePlugin from "@utils/types";
+import { FluxDispatcher } from "@webpack/common";
+
+const counts = {} as Record<string, [number, number]>;
+let forceUpdate: () => void;
+
+function MemberCount() {
+    const guildId = getCurrentChannel().guild_id;
+    const c = counts[guildId];
+
+    forceUpdate = useForceUpdater();
+
+    if (!c) return null;
+
+    let total = String(c[0]);
+    if (total === "0" && c[1] > 0) {
+        total = "Loading...";
+    }
+
+    return (
+        <Flex id="vc-membercount" style={{
+            marginTop: "1em",
+            marginBottom: "-.5em",
+            paddingInline: "1em",
+            justifyContent: "center",
+            alignContent: "center",
+            gap: 0
+        }}>
+            <div>
+                <span
+                    style={{
+                        backgroundColor: "var(--status-green-600)",
+                        width: "12px",
+                        height: "12px",
+                        borderRadius: "50%",
+                        display: "inline-block",
+                        marginRight: "0.5em"
+                    }}
+                />
+                <span style={{ color: "var(--status-green-600)" }}>{c[1]}</span>
+            </div>
+            <div>
+                <span
+                    style={{
+                        width: "6px",
+                        height: "6px",
+                        borderRadius: "50%",
+                        border: "3px solid var(--status-grey-500)",
+                        display: "inline-block",
+                        marginRight: "0.5em",
+                        marginLeft: "1em"
+                    }}
+                />
+                <span style={{ color: "var(--status-grey-500)" }}>{total}</span>
+            </div>
+        </Flex>
+    );
+}
+
+export default definePlugin({
+    name: "MemberCount",
+    description: "Shows the amount of online & total members in the server member list",
+    authors: [Devs.Ven],
+
+    patches: [{
+        find: ".isSidebarVisible,",
+        replacement: {
+            match: /(var (.)=.\.className.+?children):\[(.\.useMemo[^}]+"aria-multiselectable")/,
+            replace: "$1:[$2.startsWith('members')?Vencord.Plugins.plugins.MemberCount.render():null,$3"
+        }
+    }],
+
+    onGuildMemberListUpdate({ guildId, groups, memberCount }) {
+        let count = 0;
+        for (const group of groups) {
+            if (group.id !== "offline")
+                count += group.count;
+        }
+        counts[guildId] = [memberCount, count];
+        forceUpdate?.();
+    },
+
+    start() {
+        FluxDispatcher.subscribe("GUILD_MEMBER_LIST_UPDATE", this.onGuildMemberListUpdate);
+    },
+
+    stop() {
+        FluxDispatcher.unsubscribe("GUILD_MEMBER_LIST_UPDATE", this.onGuildMemberListUpdate);
+    },
+
+    render: () => (
+        <ErrorBoundary noop>
+            <MemberCount />
+        </ErrorBoundary>
+    )
+});