Awesome Open Source
Awesome Open Source

Middleware to turn off caching

This Express middleware sets some HTTP response headers to try to disable client-side caching.

To use it:

const nocache = require("nocache");

// ...


This sets four headers, disabling a lot of browser caching:

  • Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate
  • Pragma: no-cache
  • Expires: 0
  • Surrogate-Control: no-store

You may wish to do this if you want to ensure that users have up-to-date resources, or if you want to clear out an old version for some reason.

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