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koa-middlewares
Advanced tools
easy way to use some small but useful koa middlewares.
PRs are welcome, but only for those small and general middlewares.
npm install koa-middlewares --save
see exports
var koa = require('koa');
var middlewares = require('koa-middlewares');
var app = koa();
app.use(middlewares.bodyParser());
app.use(middlewares.router(app));
app.use(middlewares.conditional());
app.use(middlewares.etag());
app.use(middlewares.compress());
middlewares.csrf(app);
app.use(function *() {
this.body = 'hello koa-middlewares';
});
app.listen(7001);
application/json
and application/x-www-form-urlencoded
.app.use(middlewares.bodyParser({
limit: '10mb'
}));
app.use(function *(next) {
var postBody = this.request.body;
});
middlewares.csrf(app);
app.use(function *checkCsrf(next) {
if (this.method === 'GET' ||
this.method === 'HEAD' ||
this.method === 'OPTIONS') {
return yield *next;
}
this.assertCsrf();
yield next;
});
middlewares.render(app, {
root: path.join(__dirname, 'view')
});
app.use(function *() {
yield this.render('page.html', {foo: 'bar'});
});
app.use(middlewares.conditional());
app.use(middlewares.etag());
app.use(middlewares.favicon());
middlewares.jsonp(app);
app.use(function* () {
this.jsonp = {foo: 'bar'};
});
app.use(middlewares.logger());
app.use(middlewares.cookieSession());
redis
, mongo
.koa-generic-session
, provide a redis store from koa-sess.app.use(middlewares.session({
store: middlewares.RedisStore(),
defer: true
}));
app.use(function *() {
var session = yield this.session;
session.foo = 'bar';
this.body = this.session.foo;
});
app.use(middlewares.router(app));
app.get('/', function *() {
this.body = 'Hello koa-router';
});
var users = new middlewares.Resource('users');
app.use(users.middleware());
app.get('/users', function *() {
this.body = [{name: 'Lee'}, {name: 'Han'}];
});
app.use(middlewares.rewrite('/js/*', '/public/assets/js/$1'));
var microtime = require('microtime');
app.use(middlewares.rt({
timer: microtime
}));
app.use(middlewares.staticCache(path.join(__dirname, 'public'), {
buffer: true,
maxAge: 60 * 60 * 24 * 7,
dir: path.join(rootdir, 'public')
}));
gzip
and deflate
var app = koa()
app.use(compress({
threshold: 2048,
flush: require('zlib').Z_SYNC_FLUSH
}))
var app = koa()
onerror(app);
FAQs
easy way to require some useful koa middlewares
The npm package koa-middlewares receives a total of 101 weekly downloads. As such, koa-middlewares popularity was classified as not popular.
We found that koa-middlewares demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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