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node-web-framework

A small, fast, Express-like Node.js web framework.

Installation

npm install --save @borisov/web-framework

Usage Example

const framework = require('@borisovg/web-framework');
const http = require('http');

const app = new framework.App();
const server = http.createServer(app.router);

server.listen(8080);

// simple GET route

app.get('/foo', function (req, res) {
    res.end('OK');
});

// GET route with params (e.g. /foo/bar/baz)

app.get('/foo/:a/:b', function (req, res) {
    console.log(req.params);
    res.end('OK');
});

// JSON POST route

app.use(framework.middleware.body());
app.use(framework.middleware.json());

app.post('/foo', function (req, res) {
    console.log(req.body);
    res.json({ result: 'OK' });
});

API

  • framework.App() - application constructor
  • app.get(route, callback) - register GET handler
  • app.delete(route, callback) - register DELETE handler
  • app.patch(route, callback) - register PATCH handler
  • app.post(route, callback) - register POST handler
  • app.put(route, callback) - register PUT handler
  • app.remove_all_handlers() - remove all handlers
  • app.router(req, res) - router function (use as request callback for HTTP server)
  • app.use(middleware) - register middleware function

Routing

  • route "/foo" will match request path "/foo"
  • route "/foo/:name" will match request path like "/foo/bar" and set req.params.name to "bar"
  • route "/foo/:name/*" will match request path like "/foo/bar/anything/else", will set req.params.name to "bar" and set req.splat to "anything/else".

Refer to the http-hash package for more information.

Middleware

A middleware function has the signature (req, res, next), with next being a function that will run the next middleware in the chain. Middleware functions are run in the order they were attached.

Some basic middleware is included in the framework.

Request Body Loader

This middleware will load the request body and attach it to req.body as a buffer.

app.use(framework.middleware.body());

Request Body Form Parser

This middleware will parse req.body form data and replace req.body with the result.

app.use(framework.middleware.body());
app.use(framework.middleware.form());

Request Body JSON Parser

This middleware will parse req.body JSON data and replace req.body with the result. It will also add a res.json(data) convenience method.

app.use(framework.middleware.body());
app.use(framework.middleware.json());

Request Query String Parser

This middleware will load parse the request query string and attach it to req.query.

app.use(framework.middleware.query());

Static Content Server

This middleware is a very simple static content server, aimed for use during development. In production, consider fronting your app with a real HTTP server (e.g. Nginx) for superior performance.

if (process.env.NODE_ENV !== 'production') {
    app.use(framework.middleware.static({ path: './public' }));
}

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A small, fast, Express-like Node.js web framework.

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