bentocache/build/chunk-CVIVKJ25.js

Multi-tier cache module for Node.js. Redis, Upstash, CloudfareKV, File, in-memory and others drivers

import {
  resolveTtl
} from "./chunk-YAGCWAYQ.js";
import {
  BaseDriver
} from "./chunk-BO75WXSS.js";

// src/drivers/database/database.ts
import { asyncNoop, once } from "@julr/utils/functions";
var DatabaseDriver = class extends BaseDriver {
  type = "l2";
  /**
   * The underlying adapter
   */
  #adapter;
  /**
   * Initialize by creating the table
   */
  #initializer;
  /**
   * Pruning interval
   */
  #pruneInterval;
  constructor(adapter, config, isNamespace = false) {
    super(config);
    this.#adapter = adapter;
    if (isNamespace) {
      this.#initializer = asyncNoop;
      return;
    }
    this.#adapter.setTableName(config.tableName || "bentocache");
    if (config.autoCreateTable !== false) {
      this.#initializer = once(async () => await this.#adapter.createTableIfNotExists());
    } else {
      this.#initializer = asyncNoop;
    }
    if (config.pruneInterval === false) return;
    this.#startPruneInterval(resolveTtl(config.pruneInterval));
  }
  /**
   * Start the interval that will prune expired entries
   * Maybe rework this using a node Worker ?
   */
  #startPruneInterval(interval) {
    this.#pruneInterval = setInterval(async () => {
      await this.#initializer();
      await this.#adapter.pruneExpiredEntries().catch((err) => console.error("[bentocache] failed to prune expired entries", err));
    }, interval);
  }
  /**
   * Check if the given timestamp is expired
   */
  #isExpired(expiration) {
    return expiration !== null && expiration < Date.now();
  }
  /**
   * Returns a new instance of the driver namespaced
   */
  namespace(namespace) {
    const store = new this.constructor(
      this.#adapter,
      { ...this.config, prefix: this.createNamespacePrefix(namespace) },
      true
    );
    return store;
  }
  /**
   * Get a value from the cache
   */
  async get(key) {
    await this.#initializer();
    const result = await this.#adapter.get(this.getItemKey(key));
    if (!result) return;
    if (this.#isExpired(result.expiresAt)) {
      await this.#adapter.delete(this.getItemKey(key));
      return;
    }
    return result.value;
  }
  /**
   * Get the value of a key and delete it
   *
   * Returns the value if the key exists, undefined otherwise
   */
  async pull(key) {
    const value = await this.get(key);
    if (value) await this.delete(key);
    return value;
  }
  /**
   * Set a value in the cache
   * Returns true if the value was set, false otherwise
   */
  async set(key, value, ttl) {
    await this.#initializer();
    await this.#adapter.set({
      key: this.getItemKey(key),
      value,
      expiresAt: ttl ? new Date(Date.now() + ttl) : null
    });
    return true;
  }
  /**
   * Remove all items from the cache
   */
  async clear() {
    await this.#initializer();
    await this.#adapter.clear(`${this.prefix}:`);
  }
  /**
   * Delete a key from the cache
   * Returns true if the key was deleted, false otherwise
   */
  async delete(key) {
    await this.#initializer();
    return this.#adapter.delete(this.getItemKey(key));
  }
  /**
   * Delete multiple keys from the cache
   */
  async deleteMany(keys) {
    if (keys.length === 0) return true;
    await this.#initializer();
    keys = keys.map((key) => this.getItemKey(key));
    const result = await this.#adapter.deleteMany(keys);
    return result > 0;
  }
  /**
   * Disconnect from the database
   */
  async disconnect() {
    if (this.#pruneInterval) {
      clearInterval(this.#pruneInterval);
    }
    await this.#adapter.disconnect();
  }
  /**
   * Manually prune expired cache entries.
   */
  async prune() {
    await this.#initializer();
    await this.#adapter.pruneExpiredEntries();
  }
};

export {
  DatabaseDriver
};
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