@struktoai/mirage-core/dist/cache/index/factory.js

A Unified Virtual Filesystem For AI Agents

// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
import { IndexType } from "./config.js";
import { DEFAULT_KEY_PREFIX } from "./constants.js";
import { RAMIndexCacheStore } from "./ram.js";
import { RedisIndexCacheStore } from "./redis.js";
/**
 * The index store a mount runs its driver under.
 *
 * A mount builds one when it is placed, from the workspace or mount
 * `index` config when there is one and from the driver's own `indexTtl`
 * otherwise. Mirrors Python `cache/index/factory.py`.
 *
 * @param config the configured store, or undefined for a RAM store at the driver's TTL
 * @param ttl the driver's `indexTtl`, read when `config` is undefined
 * @param clock the clock the store's listings expire on; undefined means the real one
 * @param workspaceId scopes a redis store whose config names no prefix, so
 *   two workspaces on one server never read each other's listings; undefined
 *   keeps the shared default
 * @param ids the workspace's id source, which a redis store draws its
 *   generation and lease tokens from; undefined means the system source
 */
export function buildIndex(config, ttl, clock, workspaceId, ids) {
    const timed = clock === undefined ? {} : { clock };
    if (config === undefined)
        return new RAMIndexCacheStore({ ttl, ...timed });
    if (config.type === IndexType.REDIS) {
        const redis = config;
        return new RedisIndexCacheStore({
            ttl: redis.ttl ?? 600,
            ...timed,
            ...(ids !== undefined ? { ids } : {}),
            ...(redis.url !== undefined ? { url: redis.url } : {}),
            keyPrefix: redis.keyPrefix ??
                (workspaceId === undefined ? DEFAULT_KEY_PREFIX : `${DEFAULT_KEY_PREFIX}${workspaceId}:`),
        });
    }
    return new RAMIndexCacheStore({ ttl: config.ttl ?? 600, ...timed });
}
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