Plugins

Fresh itself can be extended through the methods available on the App class or on the Builder class. Most of the features in Fresh itself are built using these APIs.

Custom middlewares#

If you need to modify requests, add HTTP headers or pass additional data to other middlewares via ctx.state, then going with a middleware is the way to go.

middleware/fresh.ts

const addXFreshHeader = define.middleware(async (ctx) => {
  const res = await ctx.next();
  res.headers.set("X-Fresh", "served by Fresh");
  return res;
});

Learn more about middlewares.

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