renamed init handler

extension/core/content/content.js

@@ -81,7 +81,7 @@ this.singlefile.top = this.singlefile.top || (() => {
 	}
 
 	async function processPage(options) {
-		singlefile.ui.init();
+		singlefile.ui.onStartPage();
 		const processor = new SingleFileClass(options);
 		const preInitializationPromises = [];
 		options.insertSingleFileComment = true;

extension/ui/content/content-ui.js

@@ -31,7 +31,7 @@ this.singlefile.ui = this.singlefile.ui || (() => {
 
 	return {
 		getSelectedArea,
-		init() {
+		onStartPage() {
 			let maskElement = document.querySelector(MASK_TAGNAME);
 			if (!maskElement) {
 				requestAnimationFrame(() => {
@@ -44,6 +44,12 @@ this.singlefile.ui = this.singlefile.ui || (() => {
 				});
 			}
 		},
+		onEndPage() {
+			const maskElement = document.querySelector(MASK_TAGNAME);
+			if (maskElement) {
+				requestAnimationFrame(() => maskElement.remove());
+			}
+		},
 		onLoadResource(index, maxIndex) {
 			const progressBarElement = document.querySelector(PROGRESS_BAR_TAGNAME);
 			if (progressBarElement && maxIndex) {
@@ -53,12 +59,6 @@ this.singlefile.ui = this.singlefile.ui || (() => {
 				}
 			}
 		},
-		onEndPage() {
-			const maskElement = document.querySelector(MASK_TAGNAME);
-			if (maskElement) {
-				requestAnimationFrame(() => maskElement.remove());
-			}
-		},
 		onLoadingDeferResources() {
 			// TODO
 		},