synapse-storage/dist/api/utils/cache.util.js

Набор инструментов для управления состоянием и апи-запросами

import { StorageKey } from "../../core/storage/utils/storage-key.js";



class CacheUtils {
    static createMetadata(ttl = 0, tags = []) {
        const now = Date.now();
        const expiresAt = ttl > 0 ? now + ttl : Infinity;
        return {
            createdAt: now,
            updatedAt: now,
            expiresAt,
            tags
        };
    }
    /** ISO timestamps are derived lazily (for logging/debugging) instead of being stored in the cache payload. */ static formatDateTime(timestamp) {
        return timestamp === Infinity ? 'never' : new Date(timestamp).toISOString();
    }
    static isExpired(metadata) {
        return Date.now() > metadata.expiresAt;
    }
    static updateMetadata(metadata) {
        return {
            ...metadata,
            updatedAt: Date.now()
        };
    }
    static createKey(...parts) {
        return new StorageKey(parts.join('_'));
    }
    static createApiKey(endpoint, params) {
        if (!params) return [
            new StorageKey(endpoint, true),
            params
        ];
        const sortedParams = Object.entries(params).sort(([a], [b])=>a.localeCompare(b)).map(([k, v])=>`${k}=${v}`).join('&');
        return [
            new StorageKey(`${endpoint}_${sortedParams}`, true),
            params
        ];
    }
    // Функция для проверки, есть ли у записи определенные теги
    static hasAnyTag(metadata, tags = []) {
        if (!metadata.tags || !tags.length) return false;
        return tags.some((tag)=>metadata.tags?.includes(tag));
    }
}

export { CacheUtils };

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