Update lib/facebook.js

lib/facebook.js

@@ -1,105 +1,65 @@
-import got from 'got';
-import * as cheerio from 'cheerio';
-import { FacebookDlArgsSchema, FacebookDlMediaSchema, FacebookDlSchema } from '../lib/types/facebook-v1.js';
-import { DEFAULT_HEADERS } from './constant.js';
+import got from "got";
+import * as cheerio from "cheerio";
+import { FacebookDlArgsSchema, FacebookDlSchema } from "../lib/types/facebook-v1.js";
+import { DEFAULT_HEADERS } from "./constant.js";
 
-export async function facebookdl(url) {
+export default async function facebookdl(url) {
     FacebookDlArgsSchema.parse(arguments);
-    const html = await got('https://fdownloader.net/en', {
-        headers: {
-            ...DEFAULT_HEADERS
-        }
-    }).text();
-    const k_url_search = /k_url_search="(.*?)"/.exec(html)[1];
-    const k_exp = /k_exp="(.*?)"/.exec(html)[1];
-    const k_token = /k_token="(.*?)"/.exec(html)[1];
-    const k_prefix_name = /k_prefix_name="(.*?)"/.exec(html)[1];
+
+    const html = await got("https://fdownloader.net/en", { headers: { ...DEFAULT_HEADERS } }).text();
+    
+    const k_url_search = /k_url_search="(.*?)"/.exec(html)?.[1] || null;
+    const k_exp = /k_exp="(.*?)"/.exec(html)?.[1] || null;
+    const k_token = /k_token="(.*?)"/.exec(html)?.[1] || null;
+
+    if (!k_url_search || !k_exp || !k_token) {
+        throw new Error("Failed to extract necessary tokens.");
+    }
 
     const form = {
         k_exp,
         k_token,
         q: url,
-        lang: 'en',
-        web: 'fdownloader.net',
-        v: 'v2',
-        w: ''
+        lang: "en",
+        web: "fdownloader.net",
+        v: "v2",
+        w: "",
     };
+
     const data = await got.post(k_url_search, {
-        headers: {
-            ...DEFAULT_HEADERS,
-            referer: 'https://fdownloader.net/'
-        },
-        form
+        headers: { ...DEFAULT_HEADERS, referer: "https://fdownloader.net/" },
+        form,
     }).json();
 
     const $ = cheerio.load(data.data);
 
-    const k_url_convert = /k_url_convert = "(.*?)"/.exec($.html())[1];
-    const c_exp = /k_exp = "(.*?)"/.exec($.html())[1];
-    const c_token = /c_token = "(.*?)"/.exec($.html())[1];
-
-    const thumbnail = $('.thumbnail > .image-fb > img').attr('src');
-    const duration = $('.content > .clearfix > p').text() || undefined;
-    const video = $('table.table').eq(0).find('tbody > tr').map((_, el) => {
+    const thumbnail = $(".thumbnail > .image-fb > img").attr("src") || null;
+    const duration = $(".content > .clearfix > p").text() || null;
+    
+    const video = $("table.table").eq(0).find("tbody > tr").map((_, el) => {
         const $el = $(el);
-        const $td = $el.find('td');
-        const quality = $td.eq(0).text();
-        const url = $td.eq(2).find('a').attr('href');
-        if (url) {
-            return {
-                quality,
-                download: () => Promise.resolve(url)
-            };
+        const quality = $el.find("td").eq(0).text().trim();
+        const downloadUrl = $el.find("td").eq(2).find("a").attr("href");
+        
+        if (downloadUrl) {
+            return { quality, download: () => Promise.resolve(downloadUrl) };
         }
-        // TODO:
-        return false;
     }).toArray().filter(Boolean);
 
     const audio = [];
-    const audioUrl = $('#audioUrl').attr('value');
-    audio.push({
-        quality: '7kbps',
-        download: () => Promise.resolve(audioUrl)
-    });
+    const audioUrl = $("#audioUrl").attr("value") || null;
+    if (audioUrl) {
+        audio.push({ quality: "128kbps", download: () => Promise.resolve(audioUrl) });
+    }
+
+    const result = { thumbnail, duration, video, audio };
 
-    const result = {
-        thumbnail,
-        duration,
-        video,
-        audio
-    };
     console.log(result);
     return FacebookDlSchema.parse(result);
 }
 
-export async function convert(
-    url,
-    v_id,
-    ftype,
-    videoUrl,
-    videoType,
-    videoCodec,
-    audioUrl,
-    audioType,
-    fquality,
-    fname,
-    exp,
-    token
-) {
-    const data = await got.post(url, {
-        form: {
-            ftype,
-            v_id,
-            videoUrl,
-            videoType,
-            videoCodec,
-            audioUrl,
-            audioType,
-            fquality,
-            fname,
-            exp,
-            token,
-            cv: 'v2'
-        }
+export async function convert(url, v_id, ftype, videoUrl, videoType, videoCodec, audioUrl, audioType, fquality, fname, exp, token) {
+    return got.post(url, {
+        form: { ftype, v_id, videoUrl, videoType, videoCodec, audioUrl, audioType, fquality, fname, exp, token, cv: "v2" },
     });
-}
+}