@abextm/cache2/dist/node/loadCache.js

Utilities for reading OSRS "caches"

import * as fs from "node:fs/promises";
import * as path from "node:path";
import { DiskCacheProvider } from "../DiskCache.js";
import { FlatCacheProvider } from "../FlatCache.js";
export class NodeFSFileProvider {
    path;
    constructor(path) {
        this.path = path;
    }
    getFile(name) {
        return fs.readFile(path.join(this.path, name));
    }
    exists(name) {
        return fs.access(path.join(this.path, name)).then(_ => true, _ => false);
    }
}
export async function loadCache(filePath) {
    let fileProvider = new NodeFSFileProvider(filePath);
    if (await fileProvider.exists("main_file_cache.dat2")) {
        return new DiskCacheProvider(fileProvider);
    }
    if (await fileProvider.exists("0.flatcache")) {
        return new FlatCacheProvider(fileProvider);
    }
    throw new Error(`Path "${filePath}" does not contain a cache`);
}