feat(nitroBypass): add sticker bypass (#184)

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

1 files changed, 76 insertions, 0 deletions

diff --git a/src/utils/dependencies.ts b/src/utils/dependencies.ts
new file mode 100644
index 0000000..a7766de
--- /dev/null
+++ b/src/utils/dependencies.ts
@@ -0,0 +1,76 @@
+/*
+ * 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 { makeLazy } from "./misc";
+
+/*
+    Add dynamically loaded dependencies for plugins here.
+ */
+
+// https://github.com/mattdesl/gifenc
+// this lib is way better than gif.js and all other libs, they're all so terrible but this one is nice
+// @ts-ignore ts mad
+export const getGifEncoder = makeLazy(() => import("https://unpkg.com/gifenc@1.0.3/dist/gifenc.esm.js"));
+
+// needed to parse APNGs in the nitroBypass plugin
+export const importApngJs = makeLazy(async () => {
+    const exports = {};
+    const winProxy = new Proxy(window, { set: (_, k, v) => exports[k] = v });
+    Function("self", await fetch("https://cdnjs.cloudflare.com/ajax/libs/apng-canvas/2.1.1/apng-canvas.min.js").then(r => r.text()))(winProxy);
+    // @ts-ignore
+    return exports.APNG as { parseURL(url: string): Promise<ApngFrameData>; };
+});
+
+// https://wiki.mozilla.org/APNG_Specification#.60fcTL.60:_The_Frame_Control_Chunk
+export enum ApngDisposeOp {
+    /**
+     * no disposal is done on this frame before rendering the next; the contents of the output buffer are left as is.
+     */
+    NONE,
+    /**
+     * the frame's region of the output buffer is to be cleared to fully transparent black before rendering the next frame.
+     */
+    BACKGROUND,
+    /**
+     * the frame's region of the output buffer is to be reverted to the previous contents before rendering the next frame.
+     */
+    PREVIOUS
+}
+
+// TODO: Might need to somehow implement this
+export enum ApngBlendOp {
+    SOURCE,
+    OVER
+}
+export interface ApngFrame {
+    left: number;
+    top: number;
+    width: number;
+    height: number;
+    img: HTMLImageElement;
+    delay: number;
+    blendOp: ApngBlendOp;
+    disposeOp: ApngDisposeOp;
+}
+
+export interface ApngFrameData {
+    width: number;
+    height: number;
+    frames: ApngFrame[];
+    playTime: number;
+}