feat(plugin): PreviewMessage (#1607)

Co-authored-by: V <vendicated@riseup.net>

src/plugins/previewMessage.tsx

@@ -0,0 +1,83 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2023 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 { sendBotMessage } from "@api/Commands";
+import ErrorBoundary from "@components/ErrorBoundary";
+import { Devs } from "@utils/constants";
+import definePlugin from "@utils/types";
+import { Button, ButtonLooks, ButtonWrapperClasses, DraftStore, DraftType, SelectedChannelStore, Tooltip, UserStore } from "@webpack/common";
+
+interface Props {
+    type: {
+        analyticsName: string;
+    };
+}
+
+const getDraft = (channelId: string) => DraftStore.getDraft(channelId, DraftType.ChannelMessage);
+
+export function PreviewButton(chatBoxProps: Props) {
+    if (chatBoxProps.type.analyticsName !== "normal") return null;
+    const channelId = SelectedChannelStore.getChannelId();
+    const draft = getDraft(channelId);
+
+    if (!draft) return null;
+
+    return (
+        <Tooltip text="Preview Message">
+            {tooltipProps => (
+                <Button
+                    {...tooltipProps}
+                    onClick={() =>
+                        sendBotMessage(
+                            channelId,
+                            {
+                                content: getDraft(channelId),
+                                author: UserStore.getCurrentUser()
+                            }
+                        )}
+                    size=""
+                    look={ButtonLooks.BLANK}
+                    innerClassName={ButtonWrapperClasses.button}
+                    style={{ padding: "0 2px", height: "100%" }}
+                >
+                    <div className={ButtonWrapperClasses.buttonWrapper}>
+                        <img width={24} height={24} src="https://discord.com/assets/4c5a77a89716352686f590a6f014770c.svg" />
+                    </div>
+                </Button>
+            )}
+        </Tooltip>
+    );
+
+}
+
+export default definePlugin({
+    name: "PreviewMessage",
+    description: "Lets you preview your message before sending it",
+    authors: [Devs.Aria],
+    patches: [
+        {
+            find: ".activeCommandOption",
+            replacement: {
+                match: /(.)\.push.{1,30}disabled:(\i),.{1,20}\},"gift"\)\)/,
+                replace: "$&;try{$2||$1.unshift($self.previewIcon(arguments[0]))}catch{}",
+            }
+        },
+    ],
+
+    previewIcon: ErrorBoundary.wrap(PreviewButton, { noop: true }),
+});