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fix: search for files starting with periods (e.g., .rooignore, .gitignore)
- Add fallback search mechanism when fzf returns no results for period-prefixed queries - Implement exact substring matching with intelligent sorting for period queries - Prioritize exact filename matches, then prefix matches, then sort by path length - Add comprehensive test suite to verify the fix works correctly Fixes #6508
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‎src/services/search/__tests__/file-search.spec.ts‎

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import { describe, it, expect, vi, beforeEach } from "vitest"
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import { Fzf } from "fzf"
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// Test the fallback search logic for period-prefixed queries
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describe("searchWorkspaceFiles period handling", () => {
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it("should handle period-prefixed queries with fallback search", () => {
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// Mock file data that would come from ripgrep
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const mockFiles = [
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{ path: ".rooignore", type: "file" as const, label: ".rooignore" },
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{ path: ".gitignore", type: "file" as const, label: ".gitignore" },
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{ path: ".env", type: "file" as const, label: ".env" },
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{ path: "src/app.ts", type: "file" as const, label: "app.ts" },
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{ path: "package.json", type: "file" as const, label: "package.json" },
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]
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// Test the fallback search logic directly
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const query = ".rooignore"
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// Create search items like the real function does
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const searchItems = mockFiles.map((item) => ({
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original: item,
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searchStr: `${item.path} ${item.label || ""}`,
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}))
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// Test fzf search first
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const fzf = new Fzf(searchItems, {
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selector: (item) => item.searchStr,
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})
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let fzfResults = fzf.find(query).map((result) => result.item.original)
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// If fzf doesn't return results for period-prefixed queries, use fallback
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if (fzfResults.length === 0 && query.startsWith(".")) {
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// Fallback: exact substring matching
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const exactMatches = mockFiles.filter((item) => {
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const searchStr = `${item.path} ${item.label || ""}`
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return searchStr.toLowerCase().includes(query.toLowerCase())
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})
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// Sort by relevance
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exactMatches.sort((a, b) => {
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const aLabel = (a.label || "").toLowerCase()
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const bLabel = (b.label || "").toLowerCase()
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const queryLower = query.toLowerCase()
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// Prioritize exact filename matches
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if (aLabel === queryLower && bLabel !== queryLower) return -1
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if (bLabel === queryLower && aLabel !== queryLower) return 1
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// Then prioritize filename starts with query
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if (aLabel.startsWith(queryLower) && !bLabel.startsWith(queryLower)) return -1
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if (bLabel.startsWith(queryLower) && !aLabel.startsWith(queryLower)) return 1
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// Finally sort by path length
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return a.path.length - b.path.length
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})
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fzfResults = exactMatches
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}
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// Should find the .rooignore file
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expect(fzfResults.length).toBeGreaterThan(0)
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expect(fzfResults[0].path).toBe(".rooignore")
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expect(fzfResults[0].label).toBe(".rooignore")
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})
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it("should prioritize exact matches over partial matches", () => {
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const mockFiles = [
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{ path: ".rooignore", type: "file" as const, label: ".rooignore" },
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{ path: "src/.rooignore.backup", type: "file" as const, label: ".rooignore.backup" },
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{ path: "docs/rooignore-guide.md", type: "file" as const, label: "rooignore-guide.md" },
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]
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const query = ".rooignore"
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// Simulate fallback search
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const exactMatches = mockFiles.filter((item) => {
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const searchStr = `${item.path} ${item.label || ""}`
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return searchStr.toLowerCase().includes(query.toLowerCase())
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})
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// Sort by relevance
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exactMatches.sort((a, b) => {
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const aLabel = (a.label || "").toLowerCase()
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const bLabel = (b.label || "").toLowerCase()
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const queryLower = query.toLowerCase()
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// Prioritize exact filename matches
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if (aLabel === queryLower && bLabel !== queryLower) return -1
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if (bLabel === queryLower && aLabel !== queryLower) return 1
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// Then prioritize filename starts with query
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if (aLabel.startsWith(queryLower) && !bLabel.startsWith(queryLower)) return -1
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if (bLabel.startsWith(queryLower) && !aLabel.startsWith(queryLower)) return 1
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// Finally sort by path length
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return a.path.length - b.path.length
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})
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// The exact match should be first
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expect(exactMatches.length).toBeGreaterThan(0)
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expect(exactMatches[0].label).toBe(".rooignore")
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})
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it("should handle .gitignore searches correctly", () => {
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const mockFiles = [
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{ path: ".gitignore", type: "file" as const, label: ".gitignore" },
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{ path: "src/.gitignore", type: "file" as const, label: ".gitignore" },
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{ path: "docs/gitignore-examples.md", type: "file" as const, label: "gitignore-examples.md" },
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]
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const query = ".gitignore"
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// Simulate fallback search
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const exactMatches = mockFiles.filter((item) => {
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const searchStr = `${item.path} ${item.label || ""}`
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return searchStr.toLowerCase().includes(query.toLowerCase())
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})
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// Sort by relevance
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exactMatches.sort((a, b) => {
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const aLabel = (a.label || "").toLowerCase()
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const bLabel = (b.label || "").toLowerCase()
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const queryLower = query.toLowerCase()
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// Prioritize exact filename matches
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if (aLabel === queryLower && bLabel !== queryLower) return -1
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if (bLabel === queryLower && aLabel !== queryLower) return 1
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// Then prioritize filename starts with query
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if (aLabel.startsWith(queryLower) && !bLabel.startsWith(queryLower)) return -1
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if (bLabel.startsWith(queryLower) && !aLabel.startsWith(queryLower)) return 1
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// Finally sort by path length
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return a.path.length - b.path.length
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})
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// Should find .gitignore files
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expect(exactMatches.length).toBeGreaterThan(0)
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expect(exactMatches.some((result) => result.label === ".gitignore")).toBe(true)
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})
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})

‎src/services/search/file-search.ts‎

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})
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// Get all matching results from fzf
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const fzfResults = fzf.find(query).map((result) => result.item.original)
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// The fzf library supports exact matching with quotes, but for queries starting
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// with special characters like periods, we need to handle them specially.
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// The issue is that fzf may not handle leading periods well in fuzzy matching.
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let fzfResults = fzf.find(query).map((result) => result.item.original)
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// If the original query didn't return results and starts with a period,
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// try alternative search strategies
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if (fzfResults.length === 0 && query.startsWith(".")) {
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// Try exact substring matching as a fallback for period-prefixed queries
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const exactMatches = allItems.filter((item) => {
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const searchStr = `${item.path} ${item.label || ""}`
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return searchStr.toLowerCase().includes(query.toLowerCase())
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})
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// Sort by relevance (exact filename matches first, then path matches)
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exactMatches.sort((a, b) => {
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const aLabel = (a.label || "").toLowerCase()
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const bLabel = (b.label || "").toLowerCase()
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const queryLower = query.toLowerCase()
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// Prioritize exact filename matches
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if (aLabel === queryLower && bLabel !== queryLower) return -1
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if (bLabel === queryLower && aLabel !== queryLower) return 1
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// Then prioritize filename starts with query
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if (aLabel.startsWith(queryLower) && !bLabel.startsWith(queryLower)) return -1
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if (bLabel.startsWith(queryLower) && !aLabel.startsWith(queryLower)) return 1
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// Finally sort by path length (shorter paths first)
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return a.path.length - b.path.length
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})
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fzfResults = exactMatches.slice(0, limit)
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}
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// Verify types of the shortest results
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const verifiedResults = await Promise.all(

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