feat(worker): implement search worker for fuzzy matching and data filtering
- Added a new search worker to offload heavy search/filter operations from the main thread. - Implemented fuzzy matching using Levenshtein distance and hostname normalization. - Added functions to extract hostnames from URLs and perform similarity calculations. - Included data filtering and sorting capabilities based on specified criteria. - Handled various message actions for search, filter, sort, and similarity calculations.
This commit is contained in:
fynks
parent
2f28fe71a4
commit
34856ab44b
4 changed files with 1622 additions and 86 deletions
345
dist/css/styles.css
vendored
345
dist/css/styles.css
vendored
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@ -4507,4 +4507,347 @@ select:hover {
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.nav-link:hover, .btn:hover, .status-card:hover, .benefit-card:hover, .speed-card:hover, .referral-card:hover, .note-card:hover, .resource-item:hover {
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transform:none
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}
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}
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}/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
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.visually-hidden {
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position: absolute !important;
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width: 1px !important;
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height: 1px !important;
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padding: 0 !important;
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margin: -1px !important;
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overflow: hidden !important;
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clip: rect(0, 0, 0, 0) !important;
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white-space: nowrap !important;
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border: 0 !important;
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}
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#a11y-announcer {
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position: absolute;
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left: -10000px;
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width: 1px;
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height: 1px;
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overflow: hidden;
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}
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/* Enhanced focus styles for keyboard navigation */
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*:focus-visible {
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outline: 3px solid var(--primary);
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outline-offset: 2px;
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border-radius: var(--radius-sm);
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transition: outline-offset 0.15s ease;
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}
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button:focus-visible,
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a:focus-visible,
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input:focus-visible,
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select:focus-visible,
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textarea:focus-visible {
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outline: 3px solid var(--primary);
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outline-offset: 3px;
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box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.15);
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}
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/* Keyboard navigation for tables */
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table tbody tr:focus {
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outline: 3px solid var(--primary);
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outline-offset: -3px;
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background-color: var(--bg-tertiary);
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position: relative;
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z-index: 1;
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}
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table tbody tr:focus .service-name {
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font-weight: var(--font-semibold);
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color: var(--primary);
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}
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table tbody tr[tabindex="0"] {
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cursor: pointer;
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}
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/* ===== RESPONSIVE TABLE ENHANCEMENTS ===== */
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/* Mobile card layout */
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@media (max-width: 767px) {
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.table-wrapper.mobile-view table {
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display: block;
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border: none;
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}
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.table-wrapper.mobile-view thead {
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display: none;
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}
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.table-wrapper.mobile-view tbody {
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display: block;
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}
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.table-wrapper.mobile-view tr {
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display: flex;
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flex-direction: column;
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margin-bottom: var(--space-xl);
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border: 1px solid var(--border-primary);
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border-radius: var(--radius-lg);
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padding: var(--space-lg);
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background: var(--bg-elevated);
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box-shadow: var(--shadow-sm);
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transition: box-shadow 0.2s ease, transform 0.2s ease;
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}
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.table-wrapper.mobile-view tr:hover,
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.table-wrapper.mobile-view tr:focus {
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box-shadow: var(--shadow-md);
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transform: translateY(-2px);
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}
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.table-wrapper.mobile-view td {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: var(--space-sm) 0;
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border: none;
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border-bottom: 1px solid var(--border-primary);
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}
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.table-wrapper.mobile-view td:last-child {
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border-bottom: none;
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}
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.table-wrapper.mobile-view td::before {
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content: attr(data-label);
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font-weight: var(--font-semibold);
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color: var(--text-secondary);
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margin-right: var(--space-md);
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}
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.table-wrapper.mobile-view .service-cell {
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font-size: var(--text-lg);
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font-weight: var(--font-bold);
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padding-bottom: var(--space-md);
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border-bottom: 2px solid var(--border-primary) !important;
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margin-bottom: var(--space-md);
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justify-content: center;
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}
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.table-wrapper.mobile-view .service-cell::before {
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display: none;
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}
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.table-wrapper.mobile-view .status-cell {
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justify-content: flex-end;
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}
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.table-wrapper.mobile-view .status-indicator {
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font-size: var(--text-xl);
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}
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}
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/* Tablet optimizations */
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@media (min-width: 768px) and (max-width: 1024px) {
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.table-wrapper {
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overflow-x: auto;
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-webkit-overflow-scrolling: touch;
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}
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table {
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min-width: 600px;
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}
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th, td {
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padding: var(--space-sm) var(--space-md);
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}
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}
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/* ===== ENHANCED LOADING STATES ===== */
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.btn:disabled {
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opacity: 0.6;
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cursor: not-allowed;
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pointer-events: none;
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filter: grayscale(0.3);
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}
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.btn:disabled:hover {
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transform: none;
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}
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/* Loading spinner animation */
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.loading-spinner {
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display: inline-block;
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width: 20px;
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height: 20px;
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border: 3px solid var(--border-primary);
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border-top-color: var(--primary);
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border-radius: 50%;
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animation: spin 0.8s linear infinite;
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}
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@keyframes spin {
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to {
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transform: rotate(360deg);
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}
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}
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/* Search results animation */
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.search-results {
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animation: slideDown 0.2s ease-out;
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}
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@keyframes slideDown {
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from {
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opacity: 0;
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transform: translateY(-10px);
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}
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to {
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opacity: 1;
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transform: translateY(0);
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}
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}
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/* ===== IMPROVED TOUCH TARGETS ===== */
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@media (pointer: coarse) {
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button,
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a,
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input,
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select,
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textarea {
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min-height: 44px;
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min-width: 44px;
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}
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.nav-link {
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padding: var(--space-lg) var(--space-xl);
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}
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.btn {
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padding: var(--space-lg) var(--space-2xl);
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}
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table tbody tr {
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min-height: 60px;
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}
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}
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/* ===== DARK MODE ADJUSTMENTS ===== */
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[data-theme="dark"] table tbody tr:focus {
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background-color: rgba(99, 102, 241, 0.1);
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}
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[data-theme="dark"] *:focus-visible {
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outline-color: var(--primary-light);
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}
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/* ===== REDUCED MOTION SUPPORT ===== */
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@media (prefers-reduced-motion: reduce) {
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.search-results,
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.table-wrapper.mobile-view tr {
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animation: none !important;
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transition: none !important;
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}
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.loading-spinner {
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animation-duration: 2s;
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}
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table tbody tr:focus {
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transition: none;
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}
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}
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/* ===== HIGH CONTRAST MODE ===== */
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@media (prefers-contrast: high) {
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*:focus-visible {
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outline-width: 4px;
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outline-offset: 4px;
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}
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table tbody tr:focus {
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outline-width: 4px;
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outline-offset: -4px;
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border: 2px solid var(--primary);
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}
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.btn {
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border-width: 2px;
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}
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}
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/* ===== PRINT STYLES ===== */
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@media print {
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.visually-hidden,
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#a11y-announcer {
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display: none !important;
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}
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table tbody tr:focus {
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outline: none;
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background: transparent;
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}
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}
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/* ===== ERROR STATE IMPROVEMENTS ===== */
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.error-state {
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text-align: center;
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padding: var(--space-3xl);
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color: var(--text-secondary);
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}
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.error-state[role="alert"] {
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border: 2px solid var(--error);
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border-radius: var(--radius-lg);
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background-color: rgba(239, 68, 68, 0.1);
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}
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.error-state .btn {
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margin-top: var(--space-lg);
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}
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/* ===== LOAD ALL BUTTON ENHANCEMENTS ===== */
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.load-all-container {
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animation: fadeIn 0.3s ease-out;
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}
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@keyframes fadeIn {
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from {
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opacity: 0;
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}
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to {
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opacity: 1;
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}
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}
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.load-all-btn {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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gap: var(--space-sm);
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transition: all 0.2s ease;
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}
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.load-all-btn svg {
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transition: transform 0.2s ease;
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}
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.load-all-btn:hover:not(:disabled) svg {
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transform: translateY(3px);
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}
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/* ===== COMPARISON TABLE MOBILE IMPROVEMENTS ===== */
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@media (max-width: 767px) {
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.comparison-table {
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font-size: var(--text-sm);
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}
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.comparison-header {
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flex-direction: column;
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text-align: center;
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}
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.comparison-stats {
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flex-direction: column;
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width: 100%;
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}
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.stat {
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width: 100%;
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padding: var(--space-md);
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}
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}
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1
dist/index.html
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1
dist/index.html
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@ -425,7 +425,6 @@
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</script>
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<link rel="stylesheet" href="./css/styles.css">
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<script src="js/app.js" defer></script>
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<!-- Verification Tags -->
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1085
dist/js/app.js
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1085
dist/js/app.js
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File diff suppressed because it is too large
Load diff
277
dist/workers/search.worker.js
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Normal file
277
dist/workers/search.worker.js
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@ -0,0 +1,277 @@
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/**
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* Search Worker - Offloads heavy search/filter operations from main thread
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* Handles fuzzy matching, hostname extraction, and data filtering
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*/
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// Normalize hostname for fuzzy matching
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const normalizeHostname = (hostname) => {
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if (!hostname) return '';
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return hostname
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.toLowerCase()
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.replace(/[^a-z0-9]/g, '') // Remove non-alphanumeric
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.replace(/^(www|ftp|cdn|dl|download|file|files|upload|uploads)\d*/g, '') // Remove common prefixes
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.replace(/\d+$/g, ''); // Remove trailing numbers
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};
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// Levenshtein distance algorithm
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const levenshteinDistance = (str1, str2) => {
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const matrix = [];
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for (let i = 0; i <= str2.length; i++) {
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matrix[i] = [i];
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}
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for (let j = 0; j <= str1.length; j++) {
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matrix[0][j] = j;
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}
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for (let i = 1; i <= str2.length; i++) {
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for (let j = 1; j <= str1.length; j++) {
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if (str2.charAt(i - 1) === str1.charAt(j - 1)) {
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matrix[i][j] = matrix[i - 1][j - 1];
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} else {
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matrix[i][j] = Math.min(
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matrix[i - 1][j - 1] + 1, // substitution
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matrix[i][j - 1] + 1, // insertion
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matrix[i - 1][j] + 1 // deletion
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);
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}
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}
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}
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return matrix[str2.length][str1.length];
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};
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// Calculate similarity score between two strings
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const calculateSimilarity = (str1, str2) => {
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const s1 = normalizeHostname(str1);
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const s2 = normalizeHostname(str2);
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if (!s1 || !s2) return 0;
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// Exact match
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if (s1 === s2) return 100;
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// One contains the other
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if (s1.includes(s2) || s2.includes(s1)) {
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const longer = Math.max(s1.length, s2.length);
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const shorter = Math.min(s1.length, s2.length);
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return Math.round((shorter / longer) * 95);
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}
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// Check if they start similarly
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const minLength = Math.min(s1.length, s2.length);
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let matchingChars = 0;
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for (let i = 0; i < minLength; i++) {
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if (s1[i] === s2[i]) {
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matchingChars++;
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} else {
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break;
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}
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}
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if (matchingChars >= 3) {
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return Math.round((matchingChars / Math.max(s1.length, s2.length)) * 85);
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}
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// Levenshtein-like distance for fuzzy matching
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const maxLength = Math.max(s1.length, s2.length);
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if (maxLength === 0) return 100;
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let distance = levenshteinDistance(s1, s2);
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return Math.max(0, Math.round((1 - distance / maxLength) * 80));
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};
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// Extract hostname from URL
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const extractHostnameFromURL = (input) => {
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if (!input || typeof input !== 'string') return null;
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let normalized = input.trim();
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// If it doesn't start with a protocol, try to detect if it's a URL
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if (!normalized.match(/^https?:\/\//i)) {
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// Check if it looks like a URL (contains dots and domain-like patterns)
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if (normalized.match(/[a-z0-9-]+\.[a-z]{2,}/i)) {
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// Try to extract domain-like pattern
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const domainMatch = normalized.match(/([a-z0-9-]+\.(?:[a-z]{2,}\.)?[a-z]{2,})/i);
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if (domainMatch) {
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normalized = 'https://' + domainMatch[0];
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}
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} else {
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// Not a URL, return the input as-is for regular search
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return null;
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}
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}
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try {
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// Replace common typos in protocol
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normalized = normalized.replace(/^https?[:;.]+\/*/i, 'https://');
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// Parse the URL
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const url = new URL(normalized);
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let hostname = url.hostname.toLowerCase();
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// Remove 'www.' prefix
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hostname = hostname.replace(/^www\d*\./i, '');
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// Handle subdomains - extract main domain
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const parts = hostname.split('.');
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// If it's a known multi-level TLD (co.uk, com.au, etc.)
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const multiLevelTLDs = ['co.uk', 'com.au', 'co.nz', 'co.za', 'com.br', 'co.jp'];
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const lastTwoParts = parts.slice(-2).join('.');
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if (multiLevelTLDs.includes(lastTwoParts)) {
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// Keep last 3 parts (domain + multi-level TLD)
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if (parts.length >= 3) {
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hostname = parts.slice(-3).join('.');
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}
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} else {
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// Keep last 2 parts (domain + TLD)
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if (parts.length >= 2) {
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hostname = parts.slice(-2).join('.');
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}
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}
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// Extract just the domain name without TLD for searching
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const domainName = hostname.split('.')[0];
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return domainName;
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} catch (error) {
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// If URL parsing fails, try to extract domain manually
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const manualMatch = normalized.match(/\/\/([^/:?#]+)/);
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if (manualMatch) {
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let hostname = manualMatch[1].toLowerCase();
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hostname = hostname.replace(/^www\d*\./i, '');
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const domainName = hostname.split('.')[0];
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return domainName;
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}
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return null;
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}
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};
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// Perform search operation
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const performSearch = (data, searchTerm) => {
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const isURL = extractHostnameFromURL(searchTerm);
|
||||
const term = isURL || searchTerm.toLowerCase();
|
||||
|
||||
if (isURL) {
|
||||
// Use fuzzy matching for URL-based searches
|
||||
const matches = [];
|
||||
|
||||
for (const [host, hostData] of Object.entries(data)) {
|
||||
const similarity = calculateSimilarity(host, term);
|
||||
|
||||
// Include if similarity is above threshold (60%)
|
||||
if (similarity >= 60) {
|
||||
matches.push({
|
||||
host,
|
||||
hostData,
|
||||
similarity
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// Sort by similarity score (highest first)
|
||||
matches.sort((a, b) => b.similarity - a.similarity);
|
||||
|
||||
// Convert back to object
|
||||
return {
|
||||
filtered: Object.fromEntries(
|
||||
matches.map(({ host, hostData }) => [host, hostData])
|
||||
),
|
||||
isURLSearch: true,
|
||||
extractedHostname: term
|
||||
};
|
||||
} else {
|
||||
// Regular text search (exact substring matching)
|
||||
return {
|
||||
filtered: Object.fromEntries(
|
||||
Object.entries(data).filter(([host]) =>
|
||||
host.toLowerCase().includes(term)
|
||||
)
|
||||
),
|
||||
isURLSearch: false
|
||||
};
|
||||
}
|
||||
};
|
||||
|
||||
// Filter data based on criteria
|
||||
const filterData = (data, filters) => {
|
||||
return Object.fromEntries(
|
||||
Object.entries(data).filter(([host, hostData]) => {
|
||||
return Object.entries(filters).every(([key, value]) => {
|
||||
if (value === null || value === undefined) return true;
|
||||
return hostData[key] === value;
|
||||
});
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
// Sort data
|
||||
const sortData = (data, column, direction) => {
|
||||
const entries = Object.entries(data);
|
||||
|
||||
entries.sort(([hostA, dataA], [hostB, dataB]) => {
|
||||
let valueA, valueB;
|
||||
|
||||
if (column === 'service') {
|
||||
valueA = hostA.toLowerCase();
|
||||
valueB = hostB.toLowerCase();
|
||||
} else {
|
||||
valueA = dataA[column] === '✅' ? 1 : 0;
|
||||
valueB = dataB[column] === '✅' ? 1 : 0;
|
||||
}
|
||||
|
||||
if (valueA < valueB) return direction === 'asc' ? -1 : 1;
|
||||
if (valueA > valueB) return direction === 'asc' ? 1 : -1;
|
||||
return 0;
|
||||
});
|
||||
|
||||
return Object.fromEntries(entries);
|
||||
};
|
||||
|
||||
// Message handler
|
||||
self.addEventListener('message', (event) => {
|
||||
const { action, data, ...params } = event.data;
|
||||
|
||||
try {
|
||||
let result;
|
||||
|
||||
switch (action) {
|
||||
case 'search':
|
||||
result = performSearch(data, params.term);
|
||||
break;
|
||||
|
||||
case 'filter':
|
||||
result = filterData(data, params.filters);
|
||||
break;
|
||||
|
||||
case 'sort':
|
||||
result = sortData(data, params.column, params.direction);
|
||||
break;
|
||||
|
||||
case 'calculate-similarity':
|
||||
result = calculateSimilarity(params.str1, params.str2);
|
||||
break;
|
||||
|
||||
default:
|
||||
throw new Error(`Unknown action: ${action}`);
|
||||
}
|
||||
|
||||
self.postMessage({
|
||||
success: true,
|
||||
action,
|
||||
result
|
||||
});
|
||||
} catch (error) {
|
||||
self.postMessage({
|
||||
success: false,
|
||||
action,
|
||||
error: error.message
|
||||
});
|
||||
}
|
||||
});
|
||||
Loading…
Reference in a new issue