floranet/src-ssr/server.js

135 lines
3.3 KiB
JavaScript

/**
* More info about this file:
* https://v2.quasar.dev/quasar-cli-vite/developing-ssr/ssr-webserver
*
* Runs in Node context.
*/
/**
* Make sure to yarn add / npm install (in your project root)
* anything you import here (except for express and compression).
*/
import compression from "compression";
import express from "express";
import {
ssrClose,
ssrCreate,
ssrListen,
ssrRenderPreloadTag,
ssrServeStaticContent,
} from "quasar/wrappers";
/**
* Create your webserver and return its instance.
* If needed, prepare your webserver to receive
* connect-like middlewares.
*
* Should NOT be async!
*/
export const create = ssrCreate((/* { ... } */) => {
const app = express();
// attackers can use this header to detect apps running Express
// and then launch specifically-targeted attacks
app.disable("x-powered-by");
// place here any middlewares that
// absolutely need to run before anything else
if (process.env.PROD) {
app.use(compression());
}
return app;
});
/**
* You need to make the server listen to the indicated port
* and return the listening instance or whatever you need to
* close the server with.
*
* The "listenResult" param for the "close()" definition below
* is what you return here.
*
* For production, you can instead export your
* handler for serverless use or whatever else fits your needs.
*/
export const listen = ssrListen(async ({ app, port, isReady }) => {
await isReady();
return app.listen(port, () => {
if (process.env.PROD) {
console.log("Server listening at port " + port);
}
});
});
/**
* Should close the server and free up any resources.
* Will be used on development only when the server needs
* to be rebooted.
*
* Should you need the result of the "listen()" call above,
* you can use the "listenResult" param.
*
* Can be async.
*/
export const close = ssrClose(({ listenResult }) => {
return listenResult.close();
});
const maxAge = process.env.DEV ? 0 : 1000 * 60 * 60 * 24 * 30;
/**
* Should return middleware that serves the indicated path
* with static content.
*/
export const serveStaticContent = ssrServeStaticContent((path, opts) => {
return express.static(path, {
maxAge,
...opts,
});
});
const jsRE = /\.js$/;
const cssRE = /\.css$/;
const woffRE = /\.woff$/;
const woff2RE = /\.woff2$/;
const gifRE = /\.gif$/;
const jpgRE = /\.jpe?g$/;
const pngRE = /\.png$/;
/**
* Should return a String with HTML output
* (if any) for preloading indicated file
*/
export const renderPreloadTag = ssrRenderPreloadTag((file) => {
if (jsRE.test(file) === true) {
return `<link rel="modulepreload" href="${file}" crossorigin>`;
}
if (cssRE.test(file) === true) {
return `<link rel="stylesheet" href="${file}">`;
}
if (woffRE.test(file) === true) {
return `<link rel="preload" href="${file}" as="font" type="font/woff" crossorigin>`;
}
if (woff2RE.test(file) === true) {
return `<link rel="preload" href="${file}" as="font" type="font/woff2" crossorigin>`;
}
if (gifRE.test(file) === true) {
return `<link rel="preload" href="${file}" as="image" type="image/gif">`;
}
if (jpgRE.test(file) === true) {
return `<link rel="preload" href="${file}" as="image" type="image/jpeg">`;
}
if (pngRE.test(file) === true) {
return `<link rel="preload" href="${file}" as="image" type="image/png">`;
}
return "";
});