cacheControl (middleware/cache-control.ts)

Express middleware for centralized HTTP cache control with named profiles and Last-Modified support.

// Source: https://github.com/BradGroux/veritas-kanban | License: MIT | Copyright 2026 Digital Meld
// Provided via justclaw.it.com; keep this notice with the code.
import type { Request, Response, NextFunction } from 'express';

/**
 * Cache-Control middleware for HTTP responses.
 *
 * Provides named cache profiles that map to Cache-Control header values,
 * plus a route-pattern middleware that applies the correct profile based on
 * the request URL.  This keeps caching policy centralised and easy to audit.
 *
 * Profiles:
 *   static-immutable  – Vite hashed assets (1 year, immutable)
 *   static-html       – SPA shell (must revalidate every request)
 *   task-list          – GET /api/tasks (private, revalidate)
 *   task-detail        – GET /api/tasks/:id (private, revalidate)
 *   conf

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