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55 lines
2 KiB
JavaScript
55 lines
2 KiB
JavaScript
// Tachyon Profiler - Shared Heatmap JavaScript
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// Common utilities shared between index and file views
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// ============================================================================
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// Heat Level Mapping (Single source of truth for intensity thresholds)
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// ============================================================================
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// Maps intensity (0-1) to heat level (0-8). Level 0 = no heat, 1-8 = heat levels.
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function intensityToHeatLevel(intensity) {
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if (intensity <= 0) return 0;
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if (intensity <= 0.125) return 1;
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if (intensity <= 0.25) return 2;
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if (intensity <= 0.375) return 3;
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if (intensity <= 0.5) return 4;
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if (intensity <= 0.625) return 5;
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if (intensity <= 0.75) return 6;
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if (intensity <= 0.875) return 7;
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return 8;
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}
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// Class names corresponding to heat levels 1-8 (used by scroll marker)
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const HEAT_CLASS_NAMES = ['cold', 'cool', 'mild', 'warm', 'hot', 'very-hot', 'intense', 'extreme'];
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function intensityToClass(intensity) {
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const level = intensityToHeatLevel(intensity);
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return level === 0 ? null : HEAT_CLASS_NAMES[level - 1];
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}
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// ============================================================================
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// Color Mapping (Intensity to Heat Color)
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// ============================================================================
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function intensityToColor(intensity) {
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const level = intensityToHeatLevel(intensity);
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if (level === 0) {
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return 'transparent';
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}
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const rootStyle = getComputedStyle(document.documentElement);
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return rootStyle.getPropertyValue(`--heat-${level}`).trim();
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}
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// ============================================================================
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// Favicon (Reuse logo image as favicon)
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// ============================================================================
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(function() {
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const logo = document.querySelector('.brand-logo img');
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if (logo) {
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const favicon = document.createElement('link');
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favicon.rel = 'icon';
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favicon.type = 'image/png';
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favicon.href = logo.src;
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document.head.appendChild(favicon);
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}
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})();
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