Initial commit: doujinshi-dl generic plugin framework

History reset as part of DMCA compliance. The project has been
refactored into a generic, site-agnostic download framework.
Site-specific logic lives in separate plugin packages.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

doujinshi_dl/viewer/main.js

@@ -0,0 +1,177 @@
+    //------------------------------------navbar script------------------------------------
+var menu = document.getElementsByClassName("accordion");
+for (var i = 0; i < menu.length; i++) {
+  menu[i].addEventListener("click", function() {
+    var panel = this.nextElementSibling;
+    if (panel.style.maxHeight) {
+	  this.classList.toggle("active");
+      panel.style.maxHeight = null;
+    } else {
+      panel.style.maxHeight = panel.scrollHeight + "px";
+	  this.classList.toggle("active");
+    }
+  });
+}
+var language = document.getElementById("language").children;
+for (var i = 0; i < language.length; i++){
+	language[i].addEventListener("click", function() {
+		toggler = document.getElementById("language")
+		toggler.style.maxHeight = null;
+		document.getElementsByClassName("accordion")[0].classList.toggle("active");
+		filter_maker(this.innerText, "language");
+});
+}
+var category = document.getElementById("category").children;
+for (var i = 0; i < category.length; i++){
+	category[i].addEventListener("click", function() {
+		document.getElementById("category").style.maxHeight = null;
+		document.getElementsByClassName("accordion")[1].classList.toggle("active");
+		filter_maker(this.innerText, "category");
+});
+}
+//-----------------------------------------------------------------------------------
+//----------------------------------Tags Script--------------------------------------
+tag_maker(tags);
+
+var tag = document.getElementsByClassName("btn-2");
+for (var i = 0; i < tag.length; i++){
+	tag[i].addEventListener("click", function() {
+	filter_maker(this.innerText, this.id);
+});
+}
+
+var input = document.getElementById("tagfilter");
+input.addEventListener("input", function() {
+	var tags = document.querySelectorAll(".btn-2");
+	if (this.value.length > 0) {
+        for (var i = 0; i < tags.length; i++) {
+            var tag = tags[i];
+            var nome = tag.innerText;
+            var exp = new RegExp(this.value, "i");;
+            if (exp.test(nome)) {
+                tag.classList.remove("hidden");
+		    }
+			else {
+				tag.classList.add("hidden");
+            }
+        }
+    } else {
+        for (var i = 0; i < tags.length; i++) {
+            var tag = tags[i];
+				tag.classList.add('hidden');
+        }
+    }
+});
+input.addEventListener('keypress', function (e) {
+	enter_search(e, this.value);
+});
+//-----------------------------------------------------------------------------------
+//------------------------------------Functions--------------------------------------
+function enter_search(e, input){
+	var count = 0;
+	var key = e.which || e.keyCode;
+	if (key === 13 && input.length > 0) {
+	  var all_tags = document.getElementById("tags").children;
+	  for(i = 0; i < all_tags.length; i++){
+		if (!all_tags[i].classList.contains("hidden")){
+			count++;
+			var tag_name = all_tags[i].innerText;
+			var tag_id   = all_tags[i].id;
+			if (count>1){break}
+		}
+	  }
+	  if (count == 1){
+		filter_maker(tag_name, tag_id);
+	  }
+	}
+}
+function filter_maker(text, class_value){
+    var check = filter_checker(text);
+	var nav_btn = document.getElementsByClassName("nav-btn")[0];
+	if (nav_btn.classList.contains("hidden")){
+	  nav_btn.classList.toggle("hidden");
+	}
+	if (check == true){
+		var node = document.createElement("a");
+		var textnode = document.createTextNode(text);
+		node.appendChild(textnode);
+		node.classList.add(class_value);
+		nav_btn.appendChild(node);
+		filter_searcher();
+	}
+}
+
+function filter_searcher(){
+	var verifier = null;
+	var tags_filter = [];
+	var doujinshi_id = [];
+	var filter_tag = document.getElementsByClassName("nav-btn")[0].children;
+	filter_tag[filter_tag.length-1].addEventListener("click", function() {
+		this.remove();
+		try{
+			filter_searcher();
+		}
+		catch{
+			var gallery = document.getElementsByClassName("gallery-favorite");
+			for (var i = 0; i < gallery.length; i++){
+				gallery[i].classList.remove("hidden");
+			}
+		}
+	});
+	for (var i=0; i < filter_tag.length; i++){
+		var fclass = filter_tag[i].className;
+		var fname = filter_tag[i].innerText.toLowerCase();
+		tags_filter.push([fclass, fname])
+	}
+	for (var i=0; i < data.length; i++){
+		for (var j=0; j < tags_filter.length; j++){
+			try{
+				if(data[i][tags_filter[j][0]].includes(tags_filter[j][1])){
+					verifier = true;
+				}
+				else{
+					verifier = false;
+					break
+				}
+			}
+			catch{
+				verifier = false;
+					break
+			}
+		}
+		if (verifier){doujinshi_id.push(data[i].Folder.replace("_", " "));}
+	}
+	var gallery = document.getElementsByClassName("gallery-favorite");
+	for (var i = 0; i < gallery.length; i++){
+		gtext = gallery	[i].children[0].children[0].children[1].innerText;
+		if(doujinshi_id.includes(gtext)){
+			gallery[i].classList.remove("hidden");
+		}
+		else{
+		gallery[i].classList.add("hidden");
+		}
+	}
+}
+
+function filter_checker(text){
+    var filter_tags = document.getElementsByClassName("nav-btn")[0].children;
+	if (filter_tags == null){return true;}
+	for (var i=0; i < filter_tags.length; i++){
+		if (filter_tags[i].innerText == text){return false;}
+	}
+	return true;
+}
+
+function tag_maker(data){
+	for (i in data){
+		for (j in data[i]){
+			var node = document.createElement("button");
+			var textnode = document.createTextNode(data[i][j]);
+			node.appendChild(textnode);
+			node.classList.add("btn-2");
+			node.setAttribute('id', i);
+			node.classList.add("hidden");
+			document.getElementById("tags").appendChild(node);
+		}
+	}
+}