fastify-disablecache/src/index.js

Fastify plugin to disable client-side caching

"use strict";

const fp = require("fastify-plugin");

const CACHE_HEADERS = {
	"Cache-Control": "no-store, max-age=0, must-revalidate",
	Expires: "0",
	Pragma: "no-cache",
	"Surrogate-Control": "no-store",
};

/**
 * @author Frazer Smith
 * @description Simple plugin that adds an `onRequest` hook to disable client-side caching
 * by setting the relevant response headers.
 * @param {import("fastify").FastifyInstance} server - Fastify instance.
 */
async function fastifyDisablecache(server) {
	server.addHook("onRequest", async function setCacheHeaders(_req, res) {
		res.headers(CACHE_HEADERS);
	});
}

module.exports = fp(fastifyDisablecache, {
	fastify: "5.x",
	name: "fastify-disablecache",
}); // CommonJS export
module.exports.default = fastifyDisablecache; // ESM default export
module.exports.fastifyDisablecache = fastifyDisablecache; // TypeScript and named export