784 lines
52 KiB
HTML
784 lines
52 KiB
HTML
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<title>Fastify cheatsheet</title>
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<meta content="One-page guide to Fastify: usage, examples, and more. Fastify lets you create HTTP servers in Node.js with good performance. This guide targets fastify v0.28.x." name="description">
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<p><a href="https://github.com/fastify/fastify">Fastify</a> lets you create HTTP servers in Node.js with good performance. This guide targets fastify v0.28.x.</p>
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<h2 id="getting-started">Getting started</h2>
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<h3 class="-prime" id="hello-world">Hello world</h3>
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<pre><code class="language-js">const fastify = require('fastify')()
|
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fastify.get('/', (req, reply) => {
|
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reply.send({ hello: 'world' })
|
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})
|
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fastify.listen(3000, err => {
|
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if (err) throw err
|
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const port = fastify.server.address().port
|
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console.log(`server listening on ${port}`)
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})
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</code></pre>
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<h3 id="plugins">Plugins</h3>
|
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<h4 id="appjs">app.js</h4>
|
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<pre><code class="language-js">fastify.register(require('./route'))
|
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</code></pre>
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<h4 id="routejs">route.js</h4>
|
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<pre><code class="language-js">function (fastify, opts, next) {
|
||
fastify.get('/', (req, reply) => {
|
||
reply.send({ hello: 'world' })
|
||
})
|
||
|
||
next()
|
||
})
|
||
</code></pre>
|
||
|
||
<p>Compose your app functionality into plugins. Plugins are simply functions.</p>
|
||
|
||
<p>See: <a href="https://github.com/fastify/fastify/blob/master/docs/Plugins.md">Plugins</a></p>
|
||
|
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<h2 id="routes">Routes</h2>
|
||
|
||
<h3 id="writing-routes">Writing routes</h3>
|
||
|
||
<pre><code class="language-js">fastify.route({
|
||
method: 'GET',
|
||
url: '/',
|
||
schema: { ··· },
|
||
handler: (req, reply) => { ··· }
|
||
beforeHandler: (req, reply, done) => { ··· }
|
||
})
|
||
</code></pre>
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|
||
<h3 id="shorthand-declarations">Shorthand declarations</h3>
|
||
|
||
<pre><code class="language-js">fastify.get(path, [options], handler)
|
||
fastify.head(···)
|
||
fastify.post(···)
|
||
fastify.put(···)
|
||
fastify.delete(···)
|
||
fastify.options(···)
|
||
fastify.patch(···)
|
||
</code></pre>
|
||
|
||
<h3 id="asyncawait">Async/await</h3>
|
||
|
||
<pre><code class="language-js">fastify.get('/', options, async (req, reply) => {
|
||
return data
|
||
// or
|
||
reply.send(data)
|
||
})
|
||
</code></pre>
|
||
|
||
<p>When using async functions, you can either <code>return</code> data or use <code>reply.send</code>.</p>
|
||
|
||
<h2 id="requestreply">Request/reply</h2>
|
||
|
||
<h3 id="request">Request</h3>
|
||
|
||
<pre><code class="language-js">request.query
|
||
request.body
|
||
request.params
|
||
request.headers
|
||
request.req // Node.js core
|
||
request.log.info('hello')
|
||
</code></pre>
|
||
|
||
<p>See: <a href="https://github.com/fastify/fastify/blob/master/docs/Request.md">Request</a></p>
|
||
|
||
<h3 id="reply">Reply</h3>
|
||
|
||
<h4 id="response-headers">Response headers</h4>
|
||
|
||
<pre><code class="language-js">reply.code(404)
|
||
reply.header('Content-Type', 'text/html')
|
||
reply.type('text/html')
|
||
</code></pre>
|
||
|
||
<h4 id="redirects">Redirects</h4>
|
||
|
||
<pre><code class="language-js">reply.redirect('/foo')
|
||
reply.redirect(302, '/foo')
|
||
</code></pre>
|
||
|
||
<h4 id="sending">Sending</h4>
|
||
|
||
<pre><code class="language-js">reply.send(payload)
|
||
reply.sent // → true|false
|
||
</code></pre>
|
||
|
||
<p>See: <a href="https://github.com/fastify/fastify/blob/master/docs/Reply.md">Reply</a></p>
|
||
|
||
<h3 id="json-schema">JSON schema</h3>
|
||
|
||
<h4 id="define-a-json-schema">Define a JSON schema</h4>
|
||
|
||
<pre><code class="language-js">const schema = {
|
||
querystring: {
|
||
name: { type: 'string' },
|
||
excitement: { type: 'integer' }
|
||
},
|
||
response: {
|
||
200: {
|
||
type: 'object',
|
||
properties: {
|
||
hello: { type: 'string' }
|
||
}
|
||
}
|
||
}
|
||
}
|
||
</code></pre>
|
||
|
||
<h4 id="pass-it-to-the-route">Pass it to the route</h4>
|
||
|
||
<pre data-line="1"><code class="language-js">fastify.get('/', { schema }, (req, reply) => {
|
||
···
|
||
})
|
||
</code></pre>
|
||
|
||
<h4 id="or-same-as-above">or (same as above)</h4>
|
||
|
||
<pre data-line="4"><code class="language-js">fastify.route({
|
||
method: 'GET',
|
||
url: '/',
|
||
schema,
|
||
handler: (req, reply) => { ··· }
|
||
})
|
||
</code></pre>
|
||
|
||
<p>By defining a JSON schema, you get validation and improved performance.</p>
|
||
|
||
<p>See: <a href="https://github.com/fastify/fastify/blob/master/docs/Validation-And-Serialize.md">Validation and serialize</a></p>
|
||
|
||
<h2 id="plugins-1">Plugins</h2>
|
||
|
||
<h3 id="with-function">With function</h3>
|
||
|
||
<pre data-line="3"><code class="language-js">fastify.register(
|
||
require('./route'),
|
||
err => { if (err) throw err }
|
||
)
|
||
</code></pre>
|
||
|
||
<h4 id="routejs-1">route.js</h4>
|
||
|
||
<pre><code class="language-js">module.exports = (fastify, options, next) => {
|
||
fastify.get('/', ···)
|
||
next()
|
||
}
|
||
</code></pre>
|
||
|
||
<p>See: <a href="https://github.com/fastify/fastify/blob/master/docs/Getting-Started.md#register">Register</a></p>
|
||
|
||
<h3 id="multiple">Multiple</h3>
|
||
|
||
<pre><code class="language-js">fastify.register([
|
||
require('./another-route'),
|
||
require('./yet-another-route')
|
||
], opts, (err) => {
|
||
if (err) throw err
|
||
})
|
||
</code></pre>
|
||
|
||
<p>You can pass arrays to <code>register()</code>.</p>
|
||
|
||
<h3 id="register-with-prefix">Register with prefix</h3>
|
||
|
||
<pre><code class="language-js">fastify.register(
|
||
require('./route'),
|
||
{ prefix: '/v1' }
|
||
)
|
||
</code></pre>
|
||
|
||
<p>This prefixes all routes in that module.</p>
|
||
|
||
<h3 id="helmet">Helmet</h3>
|
||
|
||
<pre><code class="language-js">const helmet = require('fastify-helmet')
|
||
|
||
fastify.register(helmet)
|
||
</code></pre>
|
||
|
||
<p>See: <a href="https://github.com/fastify/fastify-helmet">fastify-helmet</a></p>
|
||
|
||
<h3 id="fastify-plugin">fastify-plugin</h3>
|
||
|
||
<pre><code class="language-js">const fp = require('fastify-plugin')
|
||
|
||
module.exports = fp((fastify, opts, next) => {
|
||
// your plugin code
|
||
fastify.decorate('utility', () => {})
|
||
|
||
next()
|
||
}, '0.x')
|
||
</code></pre>
|
||
|
||
<p>Allows you to limit Fastify versions via semver, and allows you not make a new Fastify scope.</p>
|
||
|
||
<p>See: <a href="https://github.com/fastify/fastify-plugin">fastify-plugin</a></p>
|
||
|
||
<h3 id="decorators">Decorators</h3>
|
||
|
||
<h2 id="middleware">Middleware</h2>
|
||
|
||
<h3 id="middleware-1">Middleware</h3>
|
||
|
||
<pre><code class="language-js">fastify.use(require('cors')())
|
||
fastify.use(require('dns-prefetch-control')())
|
||
fastify.use(require('frameguard')())
|
||
fastify.use(require('hide-powered-by')())
|
||
fastify.use(require('hsts')())
|
||
fastify.use(require('ienoopen')())
|
||
fastify.use(require('x-xss-protection')())
|
||
</code></pre>
|
||
|
||
<p>Compatible with Express and Restify middlewares. (Don’t use these middleware, these are covered by <a href="https://github.com/fastify/fastify-helmet">fastify-helmet</a>.)</p>
|
||
|
||
<p>See: <a href="https://github.com/fastify/fastify/blob/master/docs/Middlewares.md">Middlewares</a></p>
|
||
|
||
<h2 id="template-rendering">Template rendering</h2>
|
||
|
||
<h3 id="point-of-view">point-of-view</h3>
|
||
|
||
<pre data-line="3"><code class="language-js">const fastify = require('fastify')()
|
||
|
||
fastify.register(require('point-of-view'), {
|
||
engine: {
|
||
ejs: require('ejs')
|
||
}
|
||
})
|
||
</code></pre>
|
||
|
||
<pre data-line="2"><code class="language-js">fastify.get('/', (req, reply) => {
|
||
reply.view('/templates/index.ejs', { text: 'text' })
|
||
})
|
||
</code></pre>
|
||
|
||
<p>Support <code>ejs</code>, <code>pug</code>, <code>handlebars</code> and <code>marko</code>.</p>
|
||
|
||
<p>See: <a href="https://github.com/fastify/point-of-view">point-of-view</a></p>
|
||
|
||
<h3 id="options">Options</h3>
|
||
|
||
<pre><code class="language-js">fastify.register(require('point-of-view'), {
|
||
engine: {
|
||
ejs: require('ejs')
|
||
},
|
||
templates: '/templates',
|
||
options: {}
|
||
})
|
||
</code></pre>
|
||
|
||
<p><code>templates</code> lets you update the templates folder. <code>options</code> are options passed onto the template engines.</p>
|
||
|
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var s=require("./each");function e(i,a){if(a)if(Array.isArray(a))s(a,function(s){e(i,s)});else if(i.classList){var r=a.split(" ").filter(Boolean);s(r,function(s){i.classList.add(s)})}else i.className+=" "+a}module.exports=e;
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