signalk-tides/dist/cache.js

Tidal predictions for the vessel's position from various online sources.

import { join } from "path";
import { writeFile, readFile, mkdir } from "fs/promises";
export default class FileCache {
    path;
    constructor(path) {
        this.path = path;
    }
    async get(key) {
        try {
            const content = await readFile(this.getKey(key), "utf-8");
            return JSON.parse(content);
        }
        catch {
            return undefined;
        }
    }
    async set(key, value) {
        // Ensure directory exists
        await mkdir(this.path, { recursive: true });
        return writeFile(this.getKey(key), JSON.stringify(value));
    }
    getKey(key) {
        return join(this.path, `${key}.json`);
    }
}