feat: add netscape bookmark import/export #203

features/netscapeBookmarks/utils/importBookmarks.ts

@@ -0,0 +1,52 @@
+import { getCollections, saveCollections } from "@/features/collectionStorage";
+import { sendMessage } from "@/utils/messaging";
+import parse from "node-bookmarks-parser";
+import { Bookmark } from "node-bookmarks-parser/build/interfaces/bookmark";
+import convertBookmarks from "./convertBookmarks";
+
+export default async function importBookmarks(): Promise<number | null>
+{
+	const element: HTMLInputElement = document.createElement("input");
+	element.style.display = "none";
+	element.hidden = true;
+	element.type = "file";
+	element.accept = ".html";
+
+	document.body.appendChild(element);
+	element.click();
+
+	await new Promise(resolve =>
+	{
+		const listener = () =>
+		{
+			element.removeEventListener("input", listener);
+			resolve(null);
+		};
+		element.addEventListener("input", listener);
+	});
+
+	if (!element.files || element.files.length < 1)
+		return null;
+
+	const file: File = element.files[0];
+	const content: string = await file.text();
+
+	document.body.removeChild(element);
+
+	try
+	{
+		const bookmarks: Bookmark[] = parse(content);
+		const [data, graphics, tabCount] = convertBookmarks(bookmarks);
+		const [collections, cloudIssues] = await getCollections();
+
+		await saveCollections([...data, ...collections], cloudIssues === null, graphics);
+		sendMessage("refreshCollections", undefined);
+
+		return tabCount;
+	}
+	catch (error)
+	{
+		console.error("Failed to parse bookmarks file", error);
+		return -1;
+	}
+}