// ==UserScript== // @name News Bias Dial Overlay // @namespace tweeks.io // @version 1.0 // @description Shows a heuristic political-bias dial in the top corner of news pages, estimating whether coverage leans more Democratic or Republican. // @author Tweeks // @match *://*/* // @grant GM_registerMenuCommand // ==/UserScript== (function() { 'use strict'; const OVERLAY_ID = 'tw-news-bias-dial'; const STYLE_ID = 'tw-news-bias-dial-style'; const STORAGE_KEY = 'twNewsBiasDialSettings'; const ANALYZE_DEBOUNCE_MS = 1400; const MIN_TEXT_LENGTH = 300; const DEFAULT_SETTINGS = { enabled: true, compact: false, autoAnalyze: true, useDomainWeight: true }; const DOMAIN_WEIGHTS = { 'foxnews.com': 42, 'nypost.com': 28, 'newsmax.com': 52, 'breitbart.com': 60, 'dailycaller.com': 40, 'washingtonexaminer.com': 26, 'wsj.com': 12, 'cnn.com': -38, 'msnbc.com': -52, 'nytimes.com': -30, 'washingtonpost.com': -18, 'huffpost.com': -36, 'theguardian.com': -28, 'vox.com': -34, 'abcnews.go.com': -10, 'abcnews.com': -10, 'cbsnews.com': -12, 'nbcnews.com': -14, 'apnews.com': -4, 'reuters.com': -2, 'usatoday.com': -6, 'npr.org': -18, 'politico.com': -10 }; const DEMOCRATIC_TERMS = { 'progressive': 1, 'equity': 1, 'systemic': 1, 'gun control': 2, 'reproductive rights': 3, 'climate crisis': 3, 'climate justice': 2, 'voting rights': 2, 'maga extremist': 4, 'far-right': 2, 'far right': 2, 'insurrection': 2, 'lgbtq rights': 2, 'trans rights': 2, 'racial justice': 2, 'income inequality': 1, 'book bans': 2, 'common-sense gun laws': 3, 'wealth tax': 2, 'misinformation': 1, 'election denier': 3, 'abortion rights': 3, 'workers rights': 1, 'student debt relief': 2, 'clean energy': 1, 'diversity, equity, and inclusion': 3, 'dei': 1 }; const REPUBLICAN_TERMS = { 'border crisis': 3, 'illegal alien': 3, 'illegal aliens': 3, 'woke': 2, 'radical left': 4, 'radical democrats': 4, 'election integrity': 2, 'family values': 1, 'second amendment': 2, 'pro-life': 3, 'tax-and-spend': 3, 'deep state': 3, 'america first': 3, 'law and order': 2, 'parents rights': 2, 'cancel culture': 2, 'gender ideology': 3, 'critical race theory': 2, 'open borders': 3, 'socialist agenda': 4, 'biden crime family': 5, 'weaponized government': 3, 'traditional values': 1, 'fake news': 2, 'patriots': 1, 'energy independence': 2, 'fiscal responsibility': 1 }; let settings = loadSettings(); let analyzeTimer = null; let lastFingerprint = ''; let observer = null; function loadSettings() { try { return { ...DEFAULT_SETTINGS, ...(JSON.parse(localStorage.getItem(STORAGE_KEY)) || {}) }; } catch (_) { return { ...DEFAULT_SETTINGS }; } } function saveSettings() { localStorage.setItem(STORAGE_KEY, JSON.stringify(settings)); } function isLikelyNewsPage() { const host = location.hostname.toLowerCase(); const path = location.pathname.toLowerCase(); const bodyText = (document.body?.innerText || '').slice(0, 4000).toLowerCase(); const newsHosts = [ 'foxnews', 'cnn', 'cbsnews', 'nbcnews', 'abcnews', 'msnbc', 'news', 'reuters', 'apnews', 'politico', 'npr', 'guardian', 'nytimes', 'washingtonpost', 'usatoday' ]; return newsHosts.some(part => host.includes(part)) || /\/news\b|\/article\b|\/politics\b|\/story\b/.test(path) || /(breaking news|top stories|u\.s\. news|politics)/.test(bodyText); } function injectStyles() { if (document.getElementById(STYLE_ID)) return; const style = document.createElement('style'); style.id = STYLE_ID; style.textContent = ` #${OVERLAY_ID} { position: fixed; top: 12px; right: 12px; z-index: 2147483646; width: 220px; color: #f5f7fb; background: rgba(12, 16, 24, 0.9); border: 1px solid rgba(255,255,255,0.16); border-radius: 12px; box-shadow: 0 12px 28px rgba(0,0,0,0.35); backdrop-filter: blur(10px); font: 12px/1.35 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; padding: 10px 10px 8px; } #${OVERLAY_ID}.compact { width: 184px; padding: 8px; } #${OVERLAY_ID} * { box-sizing: border-box; } #${OVERLAY_ID} .tw-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; gap: 8px; } #${OVERLAY_ID} .tw-title { font-weight: 700; letter-spacing: 0.02em; } #${OVERLAY_ID} .tw-badge { font-size: 10px; border: 1px solid rgba(255,255,255,0.18); border-radius: 999px; padding: 2px 6px; color: #cfd8ea; white-space: nowrap; } #${OVERLAY_ID} .tw-dial-wrap { position: relative; height: 94px; margin-top: 2px; } #${OVERLAY_ID} .tw-arc { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 152px; height: 76px; border-top-left-radius: 152px; border-top-right-radius: 152px; border: 10px solid transparent; border-bottom: 0; background: linear-gradient(90deg, #2a6df5 0%, #7a8aa5 50%, #e54b4b 100%); -webkit-mask: radial-gradient(circle at bottom center, transparent 0 43px, #000 44px); mask: radial-gradient(circle at bottom center, transparent 0 43px, #000 44px); opacity: 0.95; } #${OVERLAY_ID} .tw-needle { position: absolute; left: 50%; bottom: 2px; width: 4px; height: 66px; background: linear-gradient(180deg, #fff 0%, #d4dae5 100%); transform-origin: 50% calc(100% - 6px); border-radius: 999px; margin-left: -2px; box-shadow: 0 0 8px rgba(255,255,255,0.3); transition: transform 450ms ease; } #${OVERLAY_ID} .tw-pivot { position: absolute; left: 50%; bottom: 0; width: 14px; height: 14px; margin-left: -7px; border-radius: 50%; background: #f8fbff; border: 2px solid #1b2330; } #${OVERLAY_ID} .tw-labels { display: flex; justify-content: space-between; font-size: 11px; margin-top: -2px; color: #d9e0ee; } #${OVERLAY_ID} .tw-labels span:last-child { text-align: right; } #${OVERLAY_ID} .tw-summary { margin-top: 8px; color: #d7deea; } #${OVERLAY_ID} .tw-score-row { margin-top: 6px; display: flex; justify-content: space-between; gap: 8px; color: #bfc9da; font-size: 11px; } #${OVERLAY_ID} .tw-source { margin-top: 6px; color: #97a6bf; font-size: 10px; } `; document.head.appendChild(style); } function ensureOverlay() { if (!settings.enabled || !isLikelyNewsPage() || !document.body) { removeOverlay(); return null; } injectStyles(); let overlay = document.getElementById(OVERLAY_ID); if (!overlay) { overlay = document.createElement('div'); overlay.id = OVERLAY_ID; overlay.innerHTML = `

Bias Dial

Heuristic

Democratic Republican

Analyzing page...

Score: 0 Confidence: Low

`; document.body.appendChild(overlay); } overlay.classList.toggle('compact', !!settings.compact); return overlay; } function removeOverlay() { document.getElementById(OVERLAY_ID)?.remove(); } function getDomainWeight(hostname) { const host = hostname.toLowerCase(); const entry = Object.entries(DOMAIN_WEIGHTS).find(([domain]) => host === domain || host.endsWith('.' + domain)); return entry ? entry[1] : 0; } function getPageText() { const selectors = [ 'article', 'main', '[role="main"]', '.article-body', '.article-content', '.story-body', '.post-content' ]; for (const selector of selectors) { const el = document.querySelector(selector); const text = el?.innerText?.trim(); if (text && text.length >= MIN_TEXT_LENGTH) { return text; } } return (document.body?.innerText || '').trim(); } function countWeightedTerms(text, terms) { let score = 0; const matches = []; for (const [term, weight] of Object.entries(terms)) { const escaped = term.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); const regex = new RegExp('\\b' + escaped.replace(/\\ /g, '\\s+') + '\\b', 'gi'); const found = text.match(regex); if (found?.length) { score += found.length * weight; matches.push(`${term} x${found.length}`); } } return { score, matches }; } function clamp(num, min, max) { return Math.min(max, Math.max(min, num)); } function computeBias() { const text = getPageText().toLowerCase(); const wordCount = text ? text.split(/\s+/).filter(Boolean).length : 0; const domainWeight = settings.useDomainWeight ? getDomainWeight(location.hostname) : 0; const dem = countWeightedTerms(text, DEMOCRATIC_TERMS); const rep = countWeightedTerms(text, REPUBLICAN_TERMS); const raw = rep.score - dem.score + domainWeight; const score = clamp(raw, -100, 100); let confidence = 'Low'; if (wordCount > 1600 || Math.abs(score) > 35) confidence = 'High'; else if (wordCount > 700 || Math.abs(score) > 15) confidence = 'Medium'; return { score, confidence, wordCount, domainWeight, topDem: dem.matches.slice(0, 3), topRep: rep.matches.slice(0, 3) }; } function getSummary(score) { if (score <= -55) return 'Strong Democratic-leaning framing detected.'; if (score <= -20) return 'Moderate Democratic-leaning framing detected.'; if (score < 20) return 'Coverage appears mixed or near-center by this heuristic.'; if (score < 55) return 'Moderate Republican-leaning framing detected.'; return 'Strong Republican-leaning framing detected.'; } function renderBias() { const overlay = ensureOverlay(); if (!overlay) return; const result = computeBias(); const angle = (result.score / 100) * 90; const summary = getSummary(result.score); const sourceNotes = []; if (result.domainWeight) sourceNotes.push(`domain baseline ${result.domainWeight > 0 ? '+' : ''}${result.domainWeight}`); if (result.topDem.length) sourceNotes.push(`Dem terms: ${result.topDem.join(', ')}`); if (result.topRep.length) sourceNotes.push(`Rep terms: ${result.topRep.join(', ')}`); if (!sourceNotes.length) sourceNotes.push('few partisan keywords detected'); overlay.querySelector('.tw-needle').style.transform = `rotate(${angle}deg)`; overlay.querySelector('.tw-summary').textContent = summary; overlay.querySelector('.tw-score').textContent = `Score: ${result.score}`; overlay.querySelector('.tw-confidence').textContent = `Confidence: ${result.confidence}`; overlay.querySelector('.tw-source').textContent = sourceNotes.join(' | '); } function fingerprintPage() { const title = document.title || ''; const host = location.hostname; const path = location.pathname; const sample = getPageText().slice(0, 800); return `${host}|${path}|${title}|${sample}`; } function scheduleAnalyze() { if (!settings.autoAnalyze) return; clearTimeout(analyzeTimer); analyzeTimer = window.setTimeout(() => { const nextFingerprint = fingerprintPage(); if (nextFingerprint !== lastFingerprint) { lastFingerprint = nextFingerprint; renderBias(); } }, ANALYZE_DEBOUNCE_MS); } function setupObserver() { if (observer) observer.disconnect(); const target = document.querySelector('main, article, [role="main"]'); if (!target) return; observer = new MutationObserver(() => { scheduleAnalyze(); }); observer.observe(target, { childList: true, subtree: true, characterData: true }); } function registerMenu() { GM_registerMenuCommand(settings.enabled ? 'Disable Bias Dial' : 'Enable Bias Dial', () => { settings.enabled = !settings.enabled; saveSettings(); if (settings.enabled) { renderBias(); } else { removeOverlay(); } location.reload(); }); GM_registerMenuCommand(settings.compact ? 'Use Full Dial Size' : 'Use Compact Dial Size', () => { settings.compact = !settings.compact; saveSettings(); renderBias(); location.reload(); }); GM_registerMenuCommand(settings.useDomainWeight ? 'Disable Domain Presets' : 'Enable Domain Presets', () => { settings.useDomainWeight = !settings.useDomainWeight; saveSettings(); renderBias(); location.reload(); }); GM_registerMenuCommand('Re-analyze This Page', () => { lastFingerprint = ''; renderBias(); }); } function init() { registerMenu(); if (!settings.enabled) return; renderBias(); setupObserver(); window.addEventListener('popstate', scheduleAnalyze, { passive: true }); window.addEventListener('hashchange', scheduleAnalyze, { passive: true }); document.addEventListener('visibilitychange', () => { if (!document.hidden) scheduleAnalyze(); }); window.setInterval(scheduleAnalyze, 5000); } if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', init, { once: true }); } else { init(); } })();