fix(live): prevent analysis crash on large catalogs (#26)

Bound synchronous live channel enrichment and tolerate minimal projection payloads so analysis and listings do not blank the UI. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-10-06 15:13:48 +02:00
parent de1d3d9a6e
commit 63a5946e75
6 changed files with 146 additions and 15 deletions
--- a/test/t26Frontend.test.js
+++ b/test/t26Frontend.test.js
@ -0,0 +1,69 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const { JSDOM } = require('jsdom');
+
+const root = path.resolve(__dirname, '..');
+const projection = require('../public/js/services/liveChannelProjection.js');
+const script = relativePath => fs.readFileSync(path.join(root, 'public', relativePath), 'utf8');
+
+test('minimal non-enriched live projection payload maps and renders without an exception', () => {
+    const mapped = projection.mapResponse({
+        projection: { stale: false },
+        filters: { availableLanguages: [null, {}] },
+        channels: [
+            {
+                id: 'logical-news:und', logicalChannelId: 'logical-news', displayName: 'News',
+                standard: null, language: {}, epg: null, preferredVariant: null,
+                variants: [{
+                    id: 'news-raw', sourceId: 1, name: 'News Raw', tvgId: 'news.raw',
+                    categoryName: 'News', language: null, isHidden: false
+                }]
+            },
+            {
+                id: 'logical-sports:und', logicalChannelId: 'logical-sports', displayName: 'Sports',
+                language: null, variants: null,
+                preferredVariant: {
+                    id: 'sports-raw', sourceId: 1, name: 'Sports Raw', tvgId: 'sports.raw',
+                    categoryName: 'Sports', isHidden: false
+                }
+            },
+            {
+                id: 'empty', logicalChannelId: 'empty', displayName: 'Empty',
+                language: null, variants: null, preferredVariant: null
+            }
+        ]
+    }, [{ id: 1, type: 'm3u', name: 'Provider' }]);
+
+    assert.equal(mapped.logicalChannels.length, 2);
+    assert.ok(mapped.logicalChannels.every(channel => channel.language.code === 'und'));
+    assert.equal(mapped.logicalChannels[0].tvgId, 'news.raw');
+    assert.deepEqual(mapped.availableLanguages.map(language => language.code), ['und']);
+
+    const dom = new JSDOM('<div id="result"></div>', { url: 'http://nodecast.test/', runScripts: 'outside-only' });
+    const { window } = dom;
+    window.eval(script('js/icons.js'));
+    window.eval(script('js/services/channelLanguageDetection.js'));
+    window.eval(script('js/services/channelLanguageFusion.js'));
+    window.eval(script('js/services/channelVariantGrouping.js'));
+    window.eval(`${script('js/components/ChannelList.js')}\nwindow.ChannelList = ChannelList;`);
+    window.app = { epgGuide: { getCurrentProgram: () => null, loadError: null } };
+    const channelList = Object.create(window.ChannelList.prototype);
+    channelList.expandedVariants = new Set();
+    channelList.sources = [{ id: 1, type: 'm3u', name: 'Provider' }];
+    channelList.showHidden = false;
+    channelList.isFavorite = () => false;
+    channelList.isHidden = () => false;
+
+    const result = window.document.getElementById('result');
+    assert.doesNotThrow(() => {
+        result.innerHTML = mapped.logicalChannels.map(channel =>
+            channelList.renderLogicalChannel(channel, 'render-id', 'News')
+        ).join('');
+    });
+    assert.equal(result.querySelectorAll('.logical-channel').length, 2);
+    assert.equal(result.querySelector('.channel-language-badge').getAttribute('aria-label'), 'Unknown language');
+    assert.match(result.textContent, /No program information/);
+    dom.window.close();
+});