Any Hackernews Link Utils

Utility functions for Any Hackernews Link

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greatest.deepsurf.us/scripts/524693/1644711/Any%20Hackernews%20Link%20Utils.js

// ==UserScript==
// @name         Any Hackernews Link Utils
// @namespace    http://tampermonkey.net/
// @version      0.2.1
// @description  Utility functions for Any Hackernews Link
// @author       RoCry
// @grant        GM_xmlhttpRequest
// @grant        GM_addStyle
// @grant        GM_getValue
// @grant        GM_setValue
// @connect      hn.algolia.com
// @license      MIT
// ==/UserScript==

/**
 * GM_* API Polyfills for Safari and other browsers
 */
const GMPolyfills = {
    initialize() {
        if (typeof GM_addStyle === 'undefined') {
            window.GM_addStyle = function (css) {
                const style = document.createElement('style');
                style.textContent = css;
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                return style;
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        if (typeof GM_getValue === 'undefined') {
            window.GM_getValue = function (key, defaultValue) {
                const value = localStorage.getItem('GM_' + key);
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                localStorage.setItem('GM_' + key, JSON.stringify(value));
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};

/**
 * UI Constants
 */
const UI_CONSTANTS = {
    POSITIONS: {
        BOTTOM_LEFT: { bottom: '20px', left: '20px', top: 'auto', right: 'auto' },
        BOTTOM_RIGHT: { bottom: '20px', right: '20px', top: 'auto', left: 'auto' },
        TOP_LEFT: { top: '20px', left: '20px', bottom: 'auto', right: 'auto' },
        TOP_RIGHT: { top: '20px', right: '20px', bottom: 'auto', left: 'auto' }
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    STYLES: `
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            0% { opacity: 1; }
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        #hn-float {
            position: fixed;
            bottom: 20px;
            left: 20px;
            z-index: 9999;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.98);
            padding: 8px 12px;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.05);
            cursor: move;
            user-select: none;
            transition: all 0.2s ease;
            max-width: 50px;
            overflow: hidden;
            opacity: 0.95;
            height: 40px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            animation: fadeIn 0.3s ease forwards;
            will-change: transform, max-width, box-shadow;
            color: #111827;
            display: flex;
            align-items: center;
            height: 40px;
            box-sizing: border-box;
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            max-width: 600px;
            opacity: 1;
            transform: translateY(-2px);
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        }
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            min-width: 24px;
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, #ff6600, #ff7f33);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            border-radius: 6px;
            flex-shrink: 0;
            position: relative;
            font-size: 13px;
            text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
            transition: transform 0.2s ease;
            line-height: 1;
            padding-bottom: 1px;
        }
        #hn-float:hover .hn-icon {
            transform: scale(1.05);
        }
        #hn-float .hn-icon.not-found {
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        #hn-float .hn-icon.found {
            background: linear-gradient(135deg, #ff6600, #ff7f33);
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        #hn-float .hn-icon.loading {
            background: #6b7280;
            animation: pulse 1.5s infinite;
        }
        #hn-float .hn-icon .badge {
            position: absolute;
            top: -4px;
            right: -4px;
            background: linear-gradient(135deg, #3b82f6, #2563eb);
            color: white;
            border-radius: 8px;
            min-width: 14px;
            height: 14px;
            font-size: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 3px;
            font-weight: 600;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
            border: 1.5px solid white;
        }
        #hn-float .hn-info {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.4;
            font-size: 13px;
            opacity: 0;
            transition: opacity 0.2s ease;
            width: 0;
            flex: 0;
        }
        #hn-float:hover .hn-info {
            opacity: 1;
            width: auto;
            flex: 1;
        }
        #hn-float .hn-info a {
            color: inherit;
            font-weight: 500;
            text-decoration: none;
        }
        #hn-float .hn-info a:hover {
            text-decoration: underline;
        }
        #hn-float .hn-stats {
            color: #6b7280;
            font-size: 12px;
            margin-top: 2px;
        }
        @media (prefers-color-scheme: dark) {
            #hn-float {
                background: rgba(17, 24, 39, 0.95);
                color: #e5e7eb;
                box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.1);
            }
            #hn-float:hover {
                box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);
            }
            #hn-float .hn-stats {
                color: #9ca3af;
            }
            #hn-float .hn-icon .badge {
                border-color: rgba(17, 24, 39, 0.95);
            }
        }
    `
};

/**
 * Configuration
 */
const CONFIG = {
    // Additional domains to ignore that couldn't be handled by @exclude
    IGNORED_DOMAINS: [
        'gmail.com',
        'accounts.google.com',
        'accounts.youtube.com',
        'signin.',
        'login.',
        'auth.',
        'oauth.',
    ],

    // Patterns that indicate a search page
    SEARCH_PATTERNS: [
        '/search?',
        '/search/',
        '/search#',
        '/webhp',
        '/results',
        '?q=',
        '?query=',
        '?search=',
        '?s='
    ],

    // URL parameters to remove during normalization
    TRACKING_PARAMS: [
        'utm_source',
        'utm_medium',
        'utm_campaign',
        'utm_term',
        'utm_content',
        'fbclid',
        'gclid',
        '_ga',
        'ref',
        'source'
    ],

    // Minimum ratio of ASCII characters to consider content as English
    MIN_ASCII_RATIO: 0.9,

    // Number of characters to check for language detection
    CHARS_TO_CHECK: 300
};

/**
 * URL Utilities
 */
const URLUtils = {
    /**
     * Check if a URL should be ignored based on domain or search patterns
     * @param {string} url - URL to check
     * @returns {boolean} - True if URL should be ignored
     */
    shouldIgnoreUrl(url) {
        try {
            const urlObj = new URL(url);

            // Check remaining ignored domains
            if (CONFIG.IGNORED_DOMAINS.some(domain => urlObj.hostname.includes(domain))) {
                return true;
            }

            // Check if it's a search page
            if (CONFIG.SEARCH_PATTERNS.some(pattern =>
                urlObj.pathname.includes(pattern) || urlObj.search.includes(pattern))) {
                return true;
            }

            return false;
        } catch (e) {
            console.error('Error checking URL:', e);
            return false;
        }
    },

    /**
     * Normalize URL by removing tracking parameters and standardizing format
     * @param {string} url - URL to normalize
     * @returns {string} - Normalized URL
     */
    normalizeUrl(url) {
        try {
            const urlObj = new URL(url);

            // Remove tracking parameters
            CONFIG.TRACKING_PARAMS.forEach(param => urlObj.searchParams.delete(param));

            // Remove sepecial parameter for all hosts
            // https://github.com/HackerNews/API?tab=readme-ov-file -> https://github.com/HackerNews/API
            urlObj.searchParams.delete('tab');

            // Handle GitHub repository paths
            if (urlObj.hostname === 'github.com') {
                // Split path into segments
                const pathSegments = urlObj.pathname.split('/').filter(Boolean);

                // Only process if we have at least username/repo
                if (pathSegments.length >= 2) {
                    const [username, repo, ...rest] = pathSegments;

                    // If path contains tree/master, blob/master, or similar, remove them
                    if (rest.length > 0 && (rest[0] === 'tree' || rest[0] === 'blob')) {
                        urlObj.pathname = `/${username}/${repo}`;
                    }
                }
            }
            // for arxiv
            // https://arxiv.org/pdf/1706.03762 -> https://arxiv.org/abs/1706.03762
            if (urlObj.hostname === 'arxiv.org') {
                urlObj.pathname = urlObj.pathname.replace('/pdf/', '/abs/');
            }

            // Remove hash
            urlObj.hash = '';

            // Remove trailing slash for consistency
            let normalizedUrl = urlObj.toString();
            if (normalizedUrl.endsWith('/')) {
                normalizedUrl = normalizedUrl.slice(0, -1);
            }

            return normalizedUrl;
        } catch (e) {
            console.error('Error normalizing URL:', e);
            return url;
        }
    },

    /**
     * Compare two URLs for equality after normalization
     * @param {string} url1 - First URL
     * @param {string} url2 - Second URL
     * @returns {boolean} - True if URLs match
     */
    urlsMatch(url1, url2) {
        try {
            const u1 = new URL(this.normalizeUrl(url1));
            const u2 = new URL(this.normalizeUrl(url2));

            return u1.hostname.toLowerCase() === u2.hostname.toLowerCase() &&
                u1.pathname.toLowerCase() === u2.pathname.toLowerCase() &&
                u1.search === u2.search;
        } catch (e) {
            console.error('Error comparing URLs:', e);
            return false;
        }
    }
};

/**
 * Content Utilities
 */
const ContentUtils = {
    /**
     * Check if text is primarily English by checking ASCII ratio
     * @param {string} text - Text to analyze
     * @returns {boolean} - True if content is likely English
     */
    isEnglishContent() {
        try {
            // Get text from title and first paragraph or relevant content
            const title = document.title || '';
            const firstParagraphs = Array.from(document.getElementsByTagName('p'))
                .slice(0, 3)
                .map(p => p.textContent)
                .join(' ');

            const textToAnalyze = (title + ' ' + firstParagraphs)
                .slice(0, CONFIG.CHARS_TO_CHECK)
                .replace(/\s+/g, ' ')
                .trim();

            if (!textToAnalyze) return true; // If no text found, assume English

            // Count ASCII characters (excluding spaces and common punctuation)
            const asciiChars = textToAnalyze.replace(/[\s\.,\-_'"!?()]/g, '')
                .split('')
                .filter(char => char.charCodeAt(0) <= 127).length;

            const totalChars = textToAnalyze.replace(/[\s\.,\-_'"!?()]/g, '').length;

            if (totalChars === 0) return true;

            const asciiRatio = asciiChars / totalChars;
            console.log('🈂️ ASCII Ratio:', asciiRatio.toFixed(2));

            return asciiRatio >= CONFIG.MIN_ASCII_RATIO;
        } catch (e) {
            console.error('Error checking content language:', e);
            return true; // Default to allowing English in case of error
        }
    }
};

/**
 * UI Helper Utilities
 */
const UIHelpers = {
    /**
     * Apply position to an element
     * @param {HTMLElement} element - Element to position
     * @param {Object} position - Position object with top/bottom/left/right properties
     */
    applyPosition(element, position) {
        Object.assign(element.style, position);
    },

    /**
     * Get the closest corner position based on coordinates
     * @param {number} x - X coordinate
     * @param {number} y - Y coordinate
     * @returns {string} - Position key (e.g., 'TOP_LEFT')
     */
    getClosestPosition(x, y) {
        const viewportWidth = window.innerWidth;
        const viewportHeight = window.innerHeight;
        const isTop = y < viewportHeight / 2;
        const isLeft = x < viewportWidth / 2;

        if (isTop) {
            return isLeft ? 'TOP_LEFT' : 'TOP_RIGHT';
        } else {
            return isLeft ? 'BOTTOM_LEFT' : 'BOTTOM_RIGHT';
        }
    },

    /**
     * Create HN badge element
     * @param {number} count - Number to display in badge
     * @returns {HTMLElement} - Badge element
     */
    createBadge(count) {
        const badge = document.createElement('span');
        badge.className = 'badge';
        badge.textContent = count > 999 ? '999+' : count.toString();
        return badge;
    },

    /**
     * Create stats element
     * @param {Object} data - HN post data
     * @returns {HTMLElement} - Stats element
     */
    createStatsElement(data) {
        const statsDiv = document.createElement('div');
        statsDiv.className = 'hn-stats';
        statsDiv.textContent = `${data.points} points | ${data.comments} comments | ${data.posted}`;
        return statsDiv;
    },

    /**
     * Create and setup drag handlers for an element
     * @param {HTMLElement} element - Element to make draggable
     * @param {Function} onDragEnd - Callback when drag ends with (x, y) coordinates
     */
    makeDraggable(element, onDragEnd) {
        let isDragging = false;
        let currentX;
        let currentY;
        let initialX;
        let initialY;

        element.addEventListener('mousedown', e => {
            if (e.target.tagName === 'A') return; // Don't drag when clicking links

            isDragging = true;
            element.style.transition = 'none';

            initialX = e.clientX - element.offsetLeft;
            initialY = e.clientY - element.offsetTop;
        });

        document.addEventListener('mousemove', e => {
            if (!isDragging) return;

            e.preventDefault();

            currentX = e.clientX - initialX;
            currentY = e.clientY - initialY;

            // Keep the element within viewport bounds
            currentX = Math.max(0, Math.min(currentX, window.innerWidth - element.offsetWidth));
            currentY = Math.max(0, Math.min(currentY, window.innerHeight - element.offsetHeight));

            element.style.left = `${currentX}px`;
            element.style.top = `${currentY}px`;
            element.style.bottom = 'auto';
            element.style.right = 'auto';
        });

        document.addEventListener('mouseup', () => {
            if (!isDragging) return;

            isDragging = false;
            element.style.transition = 'all 0.2s ease';

            if (onDragEnd && currentX !== undefined && currentY !== undefined) {
                onDragEnd(currentX + element.offsetWidth / 2, currentY + element.offsetHeight / 2);
            }
        });
    },

    /**
     * Create the floating HN element
     * @returns {HTMLElement} - The created floating element
     */
    createFloatingElement() {
        const div = document.createElement('div');
        div.id = 'hn-float';

        // Create icon element
        const iconDiv = document.createElement('div');
        iconDiv.className = 'hn-icon loading';
        iconDiv.textContent = 'Y';

        // Create info element
        const infoDiv = document.createElement('div');
        infoDiv.className = 'hn-info';
        infoDiv.textContent = 'Checking HN...';

        // Append children
        div.appendChild(iconDiv);
        div.appendChild(infoDiv);

        return div;
    },

    /**
     * Update the floating element with HN data
     * @param {HTMLElement} floatElement - The floating element
     * @param {Object|null} data - HN post data or null if not found
     */
    updateFloatingElement(floatElement, data) {
        const iconDiv = floatElement.querySelector('.hn-icon');
        const infoDiv = floatElement.querySelector('.hn-info');

        iconDiv.classList.remove('loading');

        if (!data) {
            iconDiv.classList.add('not-found');
            iconDiv.classList.remove('found');
            iconDiv.textContent = 'Y';
            infoDiv.textContent = 'Not found on HN';
            return;
        }

        iconDiv.classList.remove('not-found');
        iconDiv.classList.add('found');
        // Clear existing content
        iconDiv.textContent = 'Y';

        // Make icon clickable
        iconDiv.style.cursor = 'pointer';
        iconDiv.onclick = (e) => {
            e.stopPropagation();
            window.open(data.link, '_blank');
        };

        // Add badge if there are comments
        if (data.comments > 0) {
            iconDiv.appendChild(this.createBadge(data.comments));
        }

        // Clear and rebuild info content
        infoDiv.textContent = '';

        const titleDiv = document.createElement('div');
        const titleLink = document.createElement('a');
        titleLink.href = data.link;
        titleLink.target = '_blank';
        titleLink.textContent = data.title;
        titleDiv.appendChild(titleLink);

        const statsDiv = this.createStatsElement(data);

        infoDiv.appendChild(titleDiv);
        infoDiv.appendChild(statsDiv);
    }
};

/**
 * HackerNews API Handler
 */
const HNApi = {
    /**
     * Search for a URL on HackerNews
     * @param {string} normalizedUrl - URL to search for
     * @param {Function} updateUI - Callback function to update UI with results
     */
    checkHackerNews(normalizedUrl, updateUI) {
        const apiUrl = `https://hn.algolia.com/api/v1/search?query=${encodeURIComponent(normalizedUrl)}&restrictSearchableAttributes=url`;

        GM_xmlhttpRequest({
            method: 'GET',
            url: apiUrl,
            onload: (response) => this.handleApiResponse(response, normalizedUrl, updateUI),
            onerror: (error) => {
                console.error('Error fetching from HN API:', error);
                updateUI(null);
            }
        });
    },

    /**
     * Handle the API response
     * @param {Object} response - API response
     * @param {string} normalizedUrl - Original normalized URL
     * @param {Function} updateUI - Callback function to update UI with results
     */
    handleApiResponse(response, normalizedUrl, updateUI) {
        try {
            const data = JSON.parse(response.responseText);
            const matchingHits = data.hits.filter(hit => URLUtils.urlsMatch(hit.url, normalizedUrl));

            if (matchingHits.length === 0) {
                console.log('🔍 URL not found on Hacker News');
                updateUI(null);
                return;
            }

            const topHit = matchingHits.sort((a, b) => (b.points || 0) - (a.points || 0))[0];
            const result = {
                title: topHit.title,
                points: topHit.points || 0,
                comments: topHit.num_comments || 0,
                link: `https://news.ycombinator.com/item?id=${topHit.objectID}`,
                posted: new Date(topHit.created_at).toLocaleDateString()
            };

            console.log('📰 Found on Hacker News:', result);
            updateUI(result);
        } catch (e) {
            console.error('Error parsing HN API response:', e);
            updateUI(null);
        }
    }
};

// Export all utilities to global scope for use in the main script
if (typeof window !== 'undefined') {
    window.GMPolyfills = GMPolyfills;
    window.UI_CONSTANTS = UI_CONSTANTS;
    window.CONFIG = CONFIG;
    window.URLUtils = URLUtils;
    window.ContentUtils = ContentUtils;
    window.UIHelpers = UIHelpers;
    window.HNApi = HNApi;
}