67 lines
1.6 KiB
TypeScript
67 lines
1.6 KiB
TypeScript
import path from "path"
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import type { FileSystemEntry } from "../api-types"
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export const WORKSPACE_CANDIDATE_CACHE_TTL_MS = 30_000
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interface WorkspaceCandidateCacheEntry {
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expiresAt: number
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candidates: FileSystemEntry[]
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}
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const workspaceCandidateCache = new Map<string, WorkspaceCandidateCacheEntry>()
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export function getWorkspaceCandidates(rootDir: string, now = Date.now()): FileSystemEntry[] | undefined {
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const key = normalizeKey(rootDir)
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const cached = workspaceCandidateCache.get(key)
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if (!cached) {
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return undefined
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}
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if (cached.expiresAt <= now) {
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workspaceCandidateCache.delete(key)
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return undefined
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}
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return cloneEntries(cached.candidates)
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}
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export function refreshWorkspaceCandidates(
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rootDir: string,
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builder: () => FileSystemEntry[],
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now = Date.now(),
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): FileSystemEntry[] {
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const key = normalizeKey(rootDir)
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const freshCandidates = builder()
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if (!freshCandidates || freshCandidates.length === 0) {
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workspaceCandidateCache.delete(key)
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return []
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}
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const storedCandidates = cloneEntries(freshCandidates)
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workspaceCandidateCache.set(key, {
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expiresAt: now + WORKSPACE_CANDIDATE_CACHE_TTL_MS,
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candidates: storedCandidates,
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})
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return cloneEntries(storedCandidates)
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}
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export function clearWorkspaceSearchCache(rootDir?: string) {
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if (typeof rootDir === "undefined") {
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workspaceCandidateCache.clear()
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return
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}
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const key = normalizeKey(rootDir)
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workspaceCandidateCache.delete(key)
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}
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function cloneEntries(entries: FileSystemEntry[]): FileSystemEntry[] {
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return entries.map((entry) => ({ ...entry }))
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}
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function normalizeKey(rootDir: string) {
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return path.resolve(rootDir)
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}
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