fixed handling of noscript tags

Former-commit-id: f2e71713ec92432d77ce6d02b80166ab5e383acb

lib/single-file/single-file-helper.js

@@ -41,6 +41,7 @@ this.singlefile.lib.helper = this.singlefile.lib.helper || (() => {
 	const INPUT_VALUE_ATTRIBUTE_NAME = "data-single-file-input-value";
 	const LAZY_SRC_ATTRIBUTE_NAME = "data-single-file-lazy-loaded-src";
 	const STYLESHEET_ATTRIBUTE_NAME = "data-single-file-stylesheet";
+	const DISABLED_NOSCRIPT_ATTRIBUTE_NAME = "data-single-file-disabled-noscript";
 	const SELECTED_CONTENT_ATTRIBUTE_NAME = "data-single-file-selected-content";
 	const IGNORED_REMOVED_TAG_NAMES = ["NOSCRIPT", "DISABLED-NOSCRIPT", "META", "LINK", "STYLE", "TITLE", "TEMPLATE", "SOURCE", "OBJECT", "SCRIPT", "HEAD"];
 	const REGEXP_SIMPLE_QUOTES_STRING = /^'(.*?)'$/;
@@ -90,10 +91,10 @@ this.singlefile.lib.helper = this.singlefile.lib.helper || (() => {
 
 	function preProcessDoc(doc, win, options) {
 		doc.querySelectorAll("script").forEach(element => element.textContent = element.textContent.replace(/<\/script>/gi, "<\\/script>"));
-		doc.querySelectorAll("body noscript").forEach(element => {
-			const disabledNoscriptElement = doc.createElement("disabled-noscript");
-			Array.from(element.childNodes).forEach(node => disabledNoscriptElement.appendChild(node));
-			disabledNoscriptElement.hidden = true;
+		doc.querySelectorAll("noscript").forEach(element => {
+			const disabledNoscriptElement = doc.createElement("template");
+			disabledNoscriptElement.setAttribute(DISABLED_NOSCRIPT_ATTRIBUTE_NAME, "");
+			disabledNoscriptElement.innerHTML = element.textContent;
 			element.parentElement.replaceChild(disabledNoscriptElement, element);
 		});
 		initDoc(doc);
@@ -309,9 +310,9 @@ this.singlefile.lib.helper = this.singlefile.lib.helper || (() => {
 	}
 
 	function postProcessDoc(doc, markedElements) {
-		doc.querySelectorAll("disabled-noscript").forEach(element => {
+		doc.querySelectorAll("[" + DISABLED_NOSCRIPT_ATTRIBUTE_NAME + "]").forEach(element => {
 			const noscriptElement = doc.createElement("noscript");
-			Array.from(element.childNodes).forEach(node => noscriptElement.appendChild(node));
+			noscriptElement.textContent = element.innerHTML;
 			element.parentElement.replaceChild(noscriptElement, element);
 		});
 		doc.querySelectorAll("meta[disabled-http-equiv]").forEach(element => {