New Plugin: Translate (#1089)

Co-authored-by: Nuckyz <61953774+Nuckyz@users.noreply.github.com>

src/plugins/translate/utils.ts

@@ -0,0 +1,75 @@
+/*
+ * 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 { classNameFactory } from "@api/Styles";
+
+import { settings } from "./settings";
+
+export const cl = classNameFactory("vc-trans-");
+
+interface TranslationData {
+    src: string;
+    sentences: {
+        // 🏳️‍⚧️
+        trans: string;
+    }[];
+}
+
+export interface TranslationValue {
+    src: string;
+    text: string;
+}
+
+export async function translate(kind: "received" | "sent", text: string): Promise<TranslationValue> {
+    const sourceLang = settings.store[kind + "Input"];
+    const targetLang = settings.store[kind + "Output"];
+
+    const url = "https://translate.googleapis.com/translate_a/single?" + new URLSearchParams({
+        // see https://stackoverflow.com/a/29537590 for more params
+        // holy shidd nvidia
+        client: "gtx",
+        // source language
+        sl: sourceLang,
+        // target language
+        tl: targetLang,
+        // what to return, t = translation probably
+        dt: "t",
+        // Send json object response instead of weird array
+        dj: "1",
+        source: "input",
+        // query, duh
+        q: text
+    });
+
+    const res = await fetch(url);
+    if (!res.ok)
+        throw new Error(
+            `Failed to translate "${text}" (${sourceLang} -> ${targetLang}`
+            + `\n${res.status} ${res.statusText}`
+        );
+
+    const { src, sentences }: TranslationData = await res.json();
+
+    return {
+        src,
+        text: sentences.
+            map(s => s?.trans).
+            filter(Boolean).
+            join("")
+    };
+}