@lacspace/cache
A tiny in-memory cache — LRU eviction, per-entry TTL and stale-while-revalidate, plus wrap()/memoize() to cache any async function with in-flight de-duplication. Zero-dependency, isomorphic.
npm i @lacspace/cacheUsage
import { createCache } from "@lacspace/cache";
const cache = createCache<User>({ max: 500, ttl: 60_000 });
cache.set("a", user);
cache.get("a"); // user (or undefined once expired)
cache.has("a"); // true
cache.size; // 1Exports 2
createCachememoizeKeywords
More in App & Utils Kit
Convert strings between cases — camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, Sentence case. Handles acronyms & numbers. Zero-dependency, isomorphic.
@lacspace/colorParse, convert, manipulate and check colours — hex/rgb/hsl, lighten/darken/mix/alpha, and WCAG contrast for accessible palettes. Zero-dependency, isomorphic.
@lacspace/envTyped, validated environment variables — declare a schema, validate process.env at boot, get a typed frozen object or a clear fail-fast error. A zero-dependency t3-env / envalid alternative.
@lacspace/flagsFeature flags & A/B experiments with no SaaS and no infrastructure — deterministic bucketing (same user always gets the same result), targeting rules, percentage rollouts and weighted variants. Synchronous, zero-dependency, isomorphic.
@lacspace/formEnd-to-end form handling for the server — turn FormData into typed, validated data with a honeypot + timing spam guard, and get back your data or per-field errors ready to re-render. Shaped for Next.js Server Actions. Zero-dependency, isomorphic.
@lacspace/humanizeTurn machine values into human-readable text — bytes, durations, relative time, ordinals, plurals, compact numbers and grammatical lists. Zero-dependency, isomorphic.