staticql/dist/src/utils/cache.js

Type-safe query engine for static content including Markdown, YAML, JSON, and more.

export function cacheAsyncGen(fn, keySelector, cache) {
    return async function* (...args) {
        const key = keySelector(...args);
        if (await cache.has(key)) {
            for (const v of await cache.get(key)) {
                yield v;
            }
        }
        else {
            const values = [];
            for await (const v of fn(...args)) {
                values.push(v);
                yield v;
            }
            cache.set(key, values);
        }
    };
}
export function cacheAsyncFunc(fn, keySelector, cache) {
    return async (...args) => {
        const key = keySelector(...args);
        if (await cache.has(key)) {
            return cache.get(key);
        }
        else {
            const value = await fn(...args);
            cache.set(key, value);
            return value;
        }
    };
}