koajs-nocache
Introduction
A node koajs middleware which add no-cache related headers for all the koajs response to disable caches.
It is useful for REST API response, add no-cache headers to avoid browsers cache request response. Only GET response have no-cache headers by default.
The following headers are added to response header:
Cache-Control: no-cache, no-store, must-revalidate, proxy-revalidate
Expires: 0
Pragma: no-cache
Surrogate-Control: no-store
Install
npm install koajs-nocache
API
nocache(options):
/**
* nocache middleware.
*
* @param {Object} [options]
* - {String|Array} methods need add nocache headers.
* default is ['GET']
*
* @return {Function} nocache middleware
*/
Usage
Add no-cache related headers to all the GET responses:
const nocache = require('koajs-nocache');
app = new Koa();
app.use(nocache());
or use you can only add no-cache headers to specific requests with koa-router:
const nocache = require('koajs-nocache');
router.get('/foo',
nocache(),
function(ctx, next) {
ctx.body = ...;
});
Checkout test/nocache_test.js for example usages.