koajs-nocache
v2.1.0
Published
A koa middleware to add nocache response headers.
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Readme
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.