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Add .forgejo/scripts/check_m3u_links.js
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291
.forgejo/scripts/check_m3u_links.js
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291
.forgejo/scripts/check_m3u_links.js
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/**
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* M3U Playlist Dead Link Checker
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* Checks URLs in an M3U playlist and logs dead links for Forgejo Actions.
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*/
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const fs = require('fs');
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const https = require('https');
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const http = require('http');
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const { URL } = require('url');
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// Configuration
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const M3U_FILE = 'mystique.m3u';
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const REQUEST_TIMEOUT = 10000; // 10 seconds
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const MAX_RETRIES = 2;
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const DELAY_BETWEEN_REQUESTS = 1000; // 1 second
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const USER_AGENT = 'M3U-Checker/1.0';
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class M3UChecker {
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constructor() {
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this.repoOwner = process.env.REPO_OWNER;
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this.repoName = process.env.REPO_NAME;
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}
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/**
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* Parse M3U file and extract URLs with metadata
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*/
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parseM3U(filepath) {
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if (!fs.existsSync(filepath)) {
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throw new Error(`${filepath} not found!`);
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}
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const content = fs.readFileSync(filepath, 'utf8');
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const lines = content.split('\n').map(line => line.trim()).filter(line => line);
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const entries = [];
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let currentExtinf = null;
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for (const line of lines) {
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if (line.startsWith('#EXTINF:')) {
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// Parse EXTINF line: #EXTINF:duration,title
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const match = line.match(/^#EXTINF:([^,]*),(.+)$/);
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if (match) {
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currentExtinf = {
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duration: match[1].trim(),
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title: match[2].trim()
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};
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} else {
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currentExtinf = { duration: '', title: 'Unknown' };
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}
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} else if (!line.startsWith('#') && this.isValidUrl(line)) {
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// This should be a URL
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const entry = {
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url: line,
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title: currentExtinf ? currentExtinf.title : 'Unknown',
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duration: currentExtinf ? currentExtinf.duration : ''
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};
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entries.push(entry);
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currentExtinf = null;
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}
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}
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return entries;
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}
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/**
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* Basic URL validation
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*/
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isValidUrl(urlString) {
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try {
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new URL(urlString);
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return true;
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} catch {
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return false;
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}
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}
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/**
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* Check if URL is accessible
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* Returns Promise<{isAlive: boolean, error: string, statusCode: number}>
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*/
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async checkUrl(url) {
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for (let attempt = 0; attempt < MAX_RETRIES; attempt++) {
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try {
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const result = await this.makeRequest(url);
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if (result.statusCode < 400) {
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return { isAlive: true, error: '', statusCode: result.statusCode };
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} else {
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return { isAlive: false, error: `HTTP ${result.statusCode}`, statusCode: result.statusCode };
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}
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} catch (error) {
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if (attempt === MAX_RETRIES - 1) {
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return { isAlive: false, error: error.message, statusCode: 0 };
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}
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// Wait before retry
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await this.sleep(DELAY_BETWEEN_REQUESTS * (attempt + 1));
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}
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}
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}
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/**
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* Make HTTP request with timeout
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*/
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makeRequest(url) {
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return new Promise((resolve, reject) => {
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const urlObj = new URL(url);
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const isHttps = urlObj.protocol === 'https:';
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const lib = isHttps ? https : http;
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const options = {
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hostname: urlObj.hostname,
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port: urlObj.port || (isHttps ? 443 : 80),
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path: urlObj.pathname + urlObj.search,
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method: 'HEAD',
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timeout: REQUEST_TIMEOUT,
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headers: {
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'User-Agent': USER_AGENT
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}
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};
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const req = lib.request(options, (res) => {
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// If HEAD is not allowed, try GET with range
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if (res.statusCode === 405) {
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this.makeGetRequest(url).then(resolve).catch(reject);
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return;
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}
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resolve({ statusCode: res.statusCode });
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});
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req.on('timeout', () => {
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req.destroy();
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reject(new Error(`Timeout after ${REQUEST_TIMEOUT}ms`));
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});
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req.on('error', (error) => {
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if (error.code === 'ECONNREFUSED') {
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reject(new Error('Connection refused'));
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} else if (error.code === 'ENOTFOUND') {
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reject(new Error('Host not found'));
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} else if (error.code === 'ETIMEDOUT') {
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reject(new Error('Connection timeout'));
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} else {
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reject(new Error(`Connection error: ${error.message}`));
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}
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});
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req.end();
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});
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}
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/**
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* Make GET request with range header (fallback for servers that don't support HEAD)
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*/
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makeGetRequest(url) {
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return new Promise((resolve, reject) => {
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const urlObj = new URL(url);
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const isHttps = urlObj.protocol === 'https:';
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const lib = isHttps ? https : http;
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const options = {
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hostname: urlObj.hostname,
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port: urlObj.port || (isHttps ? 443 : 80),
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path: urlObj.pathname + urlObj.search,
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method: 'GET',
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timeout: REQUEST_TIMEOUT,
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headers: {
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'User-Agent': USER_AGENT,
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'Range': 'bytes=0-1024'
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}
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};
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const req = lib.request(options, (res) => {
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// Consume response to prevent memory leak
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res.on('data', () => {});
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res.on('end', () => {
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resolve({ statusCode: res.statusCode });
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});
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});
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req.on('timeout', () => {
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req.destroy();
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reject(new Error(`Timeout after ${REQUEST_TIMEOUT}ms`));
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});
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req.on('error', (error) => {
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reject(error);
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});
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req.end();
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});
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}
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/**
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* Sleep utility
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*/
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sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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/**
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* Log dead link information
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*/
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logDeadLink(entry, error, statusCode) {
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console.log(`\n🔴 DEAD LINK FOUND:`);
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console.log(` Title: ${entry.title}`);
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console.log(` URL: ${entry.url}`);
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console.log(` Error: ${error}`);
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console.log(` Status Code: ${statusCode || 'N/A'}`);
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console.log(` Duration: ${entry.duration || 'Unknown'}`);
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console.log(` Repository: ${this.repoOwner}/${this.repoName}`);
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}
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/**
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* Main function to check M3U playlist
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*/
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async runCheck() {
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console.log(`🎵 M3U Playlist Dead Link Checker`);
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console.log(`=====================================`);
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try {
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console.log(`📂 Parsing ${M3U_FILE}...`);
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const entries = this.parseM3U(M3U_FILE);
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console.log(`🔍 Found ${entries.length} URLs to check\n`);
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if (entries.length === 0) {
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console.log('❌ No URLs found in playlist');
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return;
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}
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const deadLinks = [];
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let aliveCount = 0;
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for (let i = 0; i < entries.length; i++) {
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const entry = entries[i];
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const progress = `[${(i + 1).toString().padStart(3)}/${entries.length}]`;
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console.log(`${progress} Checking: ${entry.title}`);
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const result = await this.checkUrl(entry.url);
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if (result.isAlive) {
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aliveCount++;
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console.log(` ✅ Alive (${result.statusCode})`);
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} else {
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deadLinks.push({ entry, error: result.error, statusCode: result.statusCode });
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console.log(` ❌ Dead (${result.error})`);
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// Log dead link details immediately
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this.logDeadLink(entry, result.error, result.statusCode);
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}
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// Add delay between requests
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if (i < entries.length - 1) {
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await this.sleep(DELAY_BETWEEN_REQUESTS);
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}
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}
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// Final summary
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console.log(`\n📊 CHECK COMPLETED`);
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console.log(`===================`);
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console.log(`✅ Alive: ${aliveCount}`);
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console.log(`❌ Dead: ${deadLinks.length}`);
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console.log(`📈 Success Rate: ${((aliveCount / entries.length) * 100).toFixed(1)}%`);
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if (deadLinks.length > 0) {
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console.log(`\n🚨 DEAD LINKS SUMMARY:`);
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console.log(`=======================`);
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deadLinks.forEach(({ entry, error }, index) => {
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console.log(`${(index + 1).toString().padStart(2)}. ${entry.title}`);
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console.log(` URL: ${entry.url}`);
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console.log(` Error: ${error}`);
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console.log('');
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});
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} else {
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console.log(`\n🎉 All links are alive! No issues found.`);
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}
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} catch (error) {
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console.error(`❌ Error during check: ${error.message}`);
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process.exit(1);
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}
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}
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}
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// Run the checker
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if (require.main === module) {
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const checker = new M3UChecker();
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checker.runCheck().catch(error => {
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console.error(`💥 Fatal error: ${error.message}`);
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process.exit(1);
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});
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}
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