Fix JPG embedding error.

chrome/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 3,
   "name": "PngExtraEmbedder",
   "description": "Discover embedded files on 4chan and archives!",
-  "version": "0.306",
+  "version": "0.311",
   "icons": {
     "64": "1449696017588.png"
   },

firefox/manifest.json

@@ -7,7 +7,7 @@
   },
   "name": "PngExtraEmbedder",
   "description": "Discover embedded files on 4chan and archives!",
-  "version": "0.306",
+  "version": "0.311",
   "icons": {
     "64": "1449696017588.png"
   },

firefox_update.json

@@ -1 +1 @@
-{"addons":{"{34ac4994-07f2-44d2-8599-682516a6c6a6}":{"updates":[{"version":"0.306","update_link":"https://git.coom.tech/fuckjannies/lolipiss/raw/branch/%E4%B8%AD%E5%87%BA%E3%81%97/pngextraembedder-0.306.xpi"}]}}}
+{"addons":{"{34ac4994-07f2-44d2-8599-682516a6c6a6}":{"updates":[{"version":"0.311","update_link":"https://git.coom.tech/fuckjannies/lolipiss/raw/branch/%E4%B8%AD%E5%87%BA%E3%81%97/pngextraembedder-0.311.xpi"}]}}}

main.meta.js

@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         PNGExtraEmbed
 // @namespace    https://coom.tech/
-// @version      0.306
+// @version      0.311
 // @description  uhh
 // @author       You
 // @match        https://boards.4channel.org/*

src/f5stego.ts

@@ -774,7 +774,7 @@ export class f5stego {
 						// EMIT BITS HERE
 						component.blocks[pos + k] = (bitsData >>> (bitsCount - s)) & ((1 << s) - 1);
 						if (component.blocks[pos + k] < 1 << (s - 1)) component.blocks[pos + k] += (-1 << s) + 1;
-						if (component.blocks[pos + k] != 0) {
+						if (this.gengen && component.blocks[pos + k] != 0) {
 
 							const v = (component.blocks[pos + k] < 0) ? 1 - (component.blocks[pos + k] & 1) : (component.blocks[pos + k] & 1);
 							const it = this.gengen.next(v);