Fix PNG embedding

main.meta.js

@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         PNGExtraEmbed
 // @namespace    https://coom.tech/
-// @version      0.133
+// @version      0.135
 // @description  uhh
 // @author       You
 // @match        https://boards.4channel.org/*

src/png.ts

@@ -70,11 +70,11 @@ export class PNGEncoder {
 
     async insertchunk(chunk: PNGChunk) {
         const b = Buffer.alloc(4);
-        b.writeInt32BE(chunk[1].length - 4, 0);
+        const buff = await chunk[1]();
+        b.writeInt32BE(buff.length - 4, 0);
         await this.writer.write(b); // write length
-        const buff = chunk[1];
+        await this.writer.write(buff); // chunk includes chunkname
-        await this.writer.write(await buff()); // chunk includes chunkname
+        b.writeInt32BE(buf(buff), 0);
-        b.writeInt32BE(buf(await buff()), 0);
         await this.writer.write(b);
     }