52 lines
1.2 KiB
JavaScript
52 lines
1.2 KiB
JavaScript
/**
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* Search Worker
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* Offloads search operations to a background thread to avoid blocking the UI
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*/
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// Listen for search requests from main thread
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self.onmessage = (event) => {
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const { lines, searchTerm, id } = event.data;
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if (!searchTerm || !lines) {
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self.postMessage({ type: 'complete', id, results: [] });
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return;
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}
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try {
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const results = [];
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const lowerSearchTerm = searchTerm.toLowerCase();
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const chunkSize = 1000; // Process in chunks and send updates
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// Process lines and find matches
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for (let i = 0; i < lines.length; i++) {
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if (lines[i].toLowerCase().includes(lowerSearchTerm)) {
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results.push(i);
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}
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// Send progress updates every chunk
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if ((i + 1) % chunkSize === 0) {
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self.postMessage({
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type: 'progress',
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id,
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percent: ((i + 1) / lines.length) * 100,
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foundSoFar: results.length
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});
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}
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}
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// Send final results
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self.postMessage({
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type: 'complete',
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id,
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results,
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totalMatches: results.length
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});
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} catch (error) {
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self.postMessage({
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type: 'error',
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id,
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error: error.message
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});
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}
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};
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