63 lines
1.2 KiB
JavaScript
63 lines
1.2 KiB
JavaScript
import { logger } from './logger.js'
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class SimpleCache {
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constructor(ttl = 30000) { // 30秒TTL
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this.cache = new Map()
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this.ttl = ttl
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}
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generateKey(...parts) {
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return parts.filter(Boolean).join(':')
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}
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get(key) {
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const item = this.cache.get(key)
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if (!item) return null
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if (Date.now() - item.timestamp > this.ttl) {
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this.cache.delete(key)
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return null
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}
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logger.log(`Cache hit: ${key}`)
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return item.data
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}
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set(key, data) {
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this.cache.set(key, {
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data,
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timestamp: Date.now()
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})
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logger.log(`Cache set: ${key}`)
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}
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clear() {
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this.cache.clear()
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logger.log('Cache cleared')
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}
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invalidatePattern(pattern) {
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let deletedCount = 0
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for (const key of this.cache.keys()) {
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if (key.includes(pattern)) {
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this.cache.delete(key)
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deletedCount++
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}
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}
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logger.log(`Cache invalidated: ${pattern} (${deletedCount} items)`)
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}
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getStats() {
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return {
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size: this.cache.size,
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keys: Array.from(this.cache.keys())
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}
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}
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}
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export const dataCache = new SimpleCache()
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// デバッグ用：開発環境でのみグローバルからアクセス可能にする
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if (import.meta.env.DEV) {
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window.dataCache = dataCache
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} |