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index.ts
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index.ts
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import * as fs from "fs";
import * as cheerio from "cheerio";
type Entries = (Bookmark | Folder)[];
interface Bookmark {
type: "bookmark";
title: string;
url: string;
addDate: string | null;
lastModified: string | null;
icon: string | null;
}
interface Folder {
type: "folder";
title: string;
addDate: string | null;
lastModified: string | null;
contents: (Bookmark | Folder)[];
}
function isBookmark(node: cheerio.Cheerio, item: Bookmark | Folder): item is Bookmark {
return node.is("A") || item.type === "bookmark";
}
function isFolder(node: cheerio.Cheerio, item: Bookmark | Folder): item is Folder {
return node.is("H3") || node.children("A").length > 0 || item.type === "folder";
}
function parseNode($: cheerio.Root, element: cheerio.Cheerio): Entries {
let result: (Bookmark | Folder)[] = [];
element.children("DT").each((_, elem) => {
const node = $(elem);
const item = {} as Bookmark | Folder;
const titleElement = node.find("> A, > H3").first();
if (isBookmark(titleElement, item)) {
item.type = "bookmark";
item.title = titleElement.text();
item.url = titleElement.attr("href") || "";
item.addDate = titleElement.attr("add_date") || null;
item.lastModified = titleElement.attr("last_modified") || null;
item.icon = titleElement.attr("icon") || null;
} else if (isFolder(titleElement, item)) {
item.type = "folder";
item.title = titleElement.text();
item.addDate = titleElement.attr("add_date") || null;
item.lastModified = titleElement.attr("last_modified") || null;
}
const nextDl = node.children("DL");
if (isFolder(titleElement, item)) {
item.contents = parseNode($, nextDl);
}
if (Object.keys(item).length !== 0) {
result.push(item);
}
});
return result;
}
function removeFolderFromJSON(nodes: Entries, dirsToRemove: string[]): Entries {
const cp = structuredClone(nodes);
return cp.filter((node) => {
if (node.type === "folder") {
if (dirsToRemove.includes(node.title)) {
return false;
} else {
node.contents = removeFolderFromJSON(node.contents, dirsToRemove);
return node.contents.length > 0;
}
}
return true;
});
}
function pickUpFolderFromJSON(nodes: Entries, dirsToPickUp: string[]): Entries {
const cp = structuredClone(nodes);
return cp.filter((node) => {
if (node.type === "folder") {
if (dirsToPickUp.includes(node.title)) {
return true;
} else {
node.contents = pickUpFolderFromJSON(node.contents, dirsToPickUp);
return node.contents.length > 0;
}
}
return false;
});
}
function convertBookmarksToJSON(inputPath: string): Entries {
const rawBookmarks = fs.readFileSync(inputPath, "utf8");
const $ = cheerio.load(rawBookmarks);
const rootDl = $("DL").first();
const bookmarksJSON = parseNode($, rootDl);
return bookmarksJSON;
}
function writeJson(bookmarksJSON: Entries, outputPath: string): void {
fs.writeFile(outputPath, JSON.stringify(bookmarksJSON, null, 2), (err) => {
if (err) {
console.error("Error writing file:", err);
} else {
console.log(`Bookmarks converted to JSON successfully!: ${outputPath}`);
}
});
}
try {
const inputFile: string = "./imports/bookmarks_2024_05_31.html"; // HTML file to be converted
const outputFile: string = "./exports/bookmarks_2024_05_31.json"; // JSON file to be created
const bookmarkJson = convertBookmarksToJSON(inputFile);
const editedBookmark = removeFolderFromJSON(bookmarkJson, ["accounts"]);
writeJson(editedBookmark, outputFile);
const pickedUpBookmark = pickUpFolderFromJSON(bookmarkJson, ["accounts"]);
writeJson(pickedUpBookmark, "./exports/pickedUpBookmark.json");
console.log("Bookmark JSON has been successfully created.");
} catch (error) {
console.error("Error processing the file:", error);
}