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refactor(spotlight): reuse fuzzy search utilities #778

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refactor(spotlight): reuse fuzzy search utilities #778

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65 changes: 1 addition & 64 deletions src/scaffold/GlobalSpotlight/palettes/EditorPalette/hooks/useSymbolMode.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ import {
SYMBOL_LABELS,
} from "@src/modules/WorkStation/CodeEditor/Panels/EditorPrimarySidebar/content/OutlineContent/config";
import type { SymbolKind } from "@src/modules/WorkStation/CodeEditor/Panels/EditorPrimarySidebar/content/OutlineContent/types";
import { fuzzyMatch, fuzzyScore } from "@src/util/search/fuzzy";

import type { SpotlightItem } from "../../../shared";

Expand Down Expand Up @@ -87,70 +88,6 @@ function normalizeSymbolKind(kind: string): SymbolKind {
: "function";
}

/** Simple fuzzy match - checks if all characters in query appear in name in order */
function fuzzyMatch(query: string, name: string): boolean {
if (!query) return true;
const lowerQuery = query.toLowerCase();
const lowerName = name.toLowerCase();

let queryIdx = 0;
for (let nameIdx = 0; nameIdx < lowerName.length; nameIdx++) {
if (lowerName[nameIdx] === lowerQuery[queryIdx]) {
queryIdx++;
if (queryIdx === lowerQuery.length) return true;
}
}
return false;
}

/** Score a fuzzy match - higher is better */
function fuzzyScore(query: string, name: string): number {
if (!query) return 0;
const lowerQuery = query.toLowerCase();
const lowerName = name.toLowerCase();

// Exact match gets highest score
if (lowerName === lowerQuery) return 1000;

// Starts with gets high score
if (lowerName.startsWith(lowerQuery)) return 500;

// Contains gets medium score
if (lowerName.includes(lowerQuery)) return 200;

// Fuzzy match scoring based on character positions
let score = 0;
let queryIdx = 0;
let prevMatchIdx = -2;

for (let nameIdx = 0; nameIdx < lowerName.length; nameIdx++) {
if (
queryIdx < lowerQuery.length &&
lowerName[nameIdx] === lowerQuery[queryIdx]
) {
score += 10;
// Consecutive matches get bonus
if (nameIdx === prevMatchIdx + 1) {
score += 5;
}
// Start-of-word matches get bonus (after _, -, or uppercase boundary)
if (
nameIdx === 0 ||
name[nameIdx - 1] === "_" ||
name[nameIdx - 1] === "-" ||
(name[nameIdx] === name[nameIdx].toUpperCase() &&
name[nameIdx - 1] === name[nameIdx - 1].toLowerCase())
) {
score += 3;
}
prevMatchIdx = nameIdx;
queryIdx++;
}
}

return score;
}

// ============================================
// Hook
// ============================================
Expand Down
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