remove polyfill for declarative shadow dom

manifest.json

@@ -123,7 +123,6 @@
 	},
 	"web_accessible_resources": [
 		"lib/single-file-infobar.js",
-		"lib/single-file-extension-editor-init.js",
 		"lib/single-file-extension-editor.js",
 		"lib/single-file-extension-editor-helper.js",
 		"lib/single-file-zip.min.js",

rollup.config.dev.js

@@ -110,15 +110,6 @@ export default [{
 		format: "iife",
 		plugins: []
 	}]
-}, {
-	input: ["src/ui/content/content-ui-editor-init-web.js"],
-	output: [{
-		file: "lib/single-file-extension-editor-init.js",
-		format: "iife",
-		plugins: []
-	}],
-	plugins: PLUGINS,
-	external: EXTERNAL
 }, {
 	input: ["src/ui/content/content-ui-editor-web.js"],
 	output: [{

rollup.config.js

@@ -115,15 +115,6 @@ export default [{
 		format: "iife",
 		plugins: [terser()]
 	}]
-}, {
-	input: ["src/ui/content/content-ui-editor-init-web.js"],
-	output: [{
-		file: "lib/single-file-extension-editor-init.js",
-		format: "iife",
-		plugins: [terser()]
-	}],
-	plugins: PLUGINS,
-	external: EXTERNAL
 }, {
 	input: ["src/ui/content/content-ui-editor-web.js"],
 	output: [{

src/ui/content/content-ui-editor-init-web.js

@@ -1,29 +0,0 @@
-/* global document */
-
-(() => {
-
-	document.currentScript.remove();
-	processNode(document);
-
-	function processNode(node) {
-		node.querySelectorAll("template[shadowrootmode]").forEach(element => {
-			let shadowRoot = element.parentElement.shadowRoot;
-			if (!shadowRoot) {
-				try {
-					shadowRoot = element.parentElement.attachShadow({
-						mode: element.getAttribute("shadowrootmode")
-					});
-					shadowRoot.innerHTML = element.innerHTML;
-					element.remove();
-					// eslint-disable-next-line no-unused-vars
-				} catch (error) {
-					// ignored
-				}
-				if (shadowRoot) {
-					processNode(shadowRoot);
-				}
-			}
-		});
-	}
-
-})();

src/ui/content/content-ui-editor-web.js

@@ -21,7 +21,7 @@
  *   Source.
  */
 
-/* global window, document, fetch, DOMParser, getComputedStyle, setTimeout, clearTimeout, NodeFilter, Readability, isProbablyReaderable, matchMedia, TextDecoder, Node, URL, prompt, MutationObserver, FileReader, Worker, navigator */
+/* global window, document, fetch, DOMParser, getComputedStyle, setTimeout, clearTimeout, NodeFilter, Readability, isProbablyReaderable, matchMedia, TextDecoder, Node, prompt, MutationObserver, FileReader, Worker, navigator */
 
 import { setLabels } from "./../../ui/common/common-content-ui.js";
 import { downloadPageForeground } from "../../core/common/download.js";
@@ -70,7 +70,7 @@ import { downloadPageForeground } from "../../core/common/download.js";
 
 	let NOTES_WEB_STYLESHEET, MASK_WEB_STYLESHEET, HIGHLIGHTS_WEB_STYLESHEET;
 	let selectedNote, anchorElement, maskNoteElement, maskPageElement, highlightSelectionMode, removeHighlightMode, resizingNoteMode, movingNoteMode, highlightColor, collapseNoteTimeout, cuttingOuterMode, cuttingMode, cuttingTouchTarget, cuttingPath, cuttingPathIndex, previousContent;
-	let removedElements = [], removedElementIndex = 0, initScriptContent, pageResources, pageUrl, pageCompressContent, includeInfobar, openInfobar, infobarPositionAbsolute, infobarPositionTop, infobarPositionBottom, infobarPositionLeft, infobarPositionRight;
+	let removedElements = [], removedElementIndex = 0, pageResources, pageUrl, pageCompressContent, includeInfobar, openInfobar, infobarPositionAbsolute, infobarPositionTop, infobarPositionBottom, infobarPositionLeft, infobarPositionRight;
 
 	globalThis.zip = singlefile.helper.zip;
 	initEventListeners();
@@ -173,9 +173,6 @@ import { downloadPageForeground } from "../../core/common/download.js";
 				infobarPositionLeft = message.infobarPositionLeft;
 				infobarPositionRight = message.infobarPositionRight;
 				let content = getContent(message.compressHTML);
-				if (initScriptContent) {
-					content = content.replace(/<script data-template-shadow-root src.*?<\/script>/g, initScriptContent);
-				}
 				let filename;
 				const pageOptions = loadOptionsFromPage(document);
 				if (pageOptions) {
@@ -291,7 +288,6 @@ import { downloadPageForeground } from "../../core/common/download.js";
 			const { docContent, origDocContent, resources, url } = await singlefile.helper.extract(content, {
 				password,
 				prompt,
-				shadowRootScriptURL: new URL("/lib/single-file-extension-editor-init.js", document.baseURI).href,
 				zipOptions
 			});
 			pageResources = resources;
@@ -332,11 +328,6 @@ import { downloadPageForeground } from "../../core/common/download.js";
 				}), "*");
 			}
 		} else {
-			const initScriptContentMatch = content.match(/<script data-template-shadow-root.*<\/script>/);
-			if (initScriptContentMatch && initScriptContentMatch[0]) {
-				initScriptContent = initScriptContentMatch[0];
-			}
-			content = content.replace(/<script data-template-shadow-root.*<\/script>/g, "<script data-template-shadow-root src=/lib/single-file-extension-editor-init.js></script>");
 			const contentDocument = (new DOMParser()).parseFromString(content, "text/html");
 			if (detectSavedPage(contentDocument)) {
 				if (contentDocument.doctype) {