96 lines
5.3 KiB
JavaScript
96 lines
5.3 KiB
JavaScript
'use strict';
|
||
|
||
const errorOverlayMiddleware = require('inferno-dev-utils/errorOverlayMiddleware');
|
||
const noopServiceWorkerMiddleware = require('inferno-dev-utils/noopServiceWorkerMiddleware');
|
||
const ignoredFiles = require('inferno-dev-utils/ignoredFiles');
|
||
const config = require('./webpack.config.dev');
|
||
const paths = require('./paths');
|
||
|
||
const protocol = process.env.HTTPS === 'true' ? 'https' : 'http';
|
||
const host = process.env.HOST || '0.0.0.0';
|
||
|
||
module.exports = function(proxy, allowedHost) {
|
||
return {
|
||
// WebpackDevServer 2.4.3 introduced a security fix that prevents remote
|
||
// websites from potentially accessing local content through DNS rebinding:
|
||
// https://github.com/webpack/webpack-dev-server/issues/887
|
||
// https://medium.com/webpack/webpack-dev-server-middleware-security-issues-1489d950874a
|
||
// However, it made several existing use cases such as development in cloud
|
||
// environment or subdomains in development significantly more complicated:
|
||
// https://github.com/facebookincubator/create-inferno-app/issues/2271
|
||
// https://github.com/facebookincubator/create-inferno-app/issues/2233
|
||
// While we're investigating better solutions, for now we will take a
|
||
// compromise. Since our WDS configuration only serves files in the `public`
|
||
// folder we won't consider accessing them a vulnerability. However, if you
|
||
// use the `proxy` feature, it gets more dangerous because it can expose
|
||
// remote code execution vulnerabilities in backends like Django and Rails.
|
||
// So we will disable the host check normally, but enable it if you have
|
||
// specified the `proxy` setting. Finally, we let you override it if you
|
||
// really know what you're doing with a special environment variable.
|
||
disableHostCheck:
|
||
!proxy || process.env.DANGEROUSLY_DISABLE_HOST_CHECK === 'true',
|
||
// Enable gzip compression of generated files.
|
||
compress: true,
|
||
// Silence WebpackDevServer's own logs since they're generally not useful.
|
||
// It will still show compile warnings and errors with this setting.
|
||
clientLogLevel: 'none',
|
||
// By default WebpackDevServer serves physical files from current directory
|
||
// in addition to all the virtual build products that it serves from memory.
|
||
// This is confusing because those files won’t automatically be available in
|
||
// production build folder unless we copy them. However, copying the whole
|
||
// project directory is dangerous because we may expose sensitive files.
|
||
// Instead, we establish a convention that only files in `public` directory
|
||
// get served. Our build script will copy `public` into the `build` folder.
|
||
// In `index.html`, you can get URL of `public` folder with %PUBLIC_URL%:
|
||
// <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
|
||
// In JavaScript code, you can access it with `process.env.PUBLIC_URL`.
|
||
// Note that we only recommend to use `public` folder as an escape hatch
|
||
// for files like `favicon.ico`, `manifest.json`, and libraries that are
|
||
// for some reason broken when imported through Webpack. If you just want to
|
||
// use an image, put it in `src` and `import` it from JavaScript instead.
|
||
contentBase: paths.appPublic,
|
||
// By default files from `contentBase` will not trigger a page reload.
|
||
watchContentBase: true,
|
||
// Enable hot reloading server. It will provide /sockjs-node/ endpoint
|
||
// for the WebpackDevServer client so it can learn when the files were
|
||
// updated. The WebpackDevServer client is included as an entry point
|
||
// in the Webpack development configuration. Note that only changes
|
||
// to CSS are currently hot reloaded. JS changes will refresh the browser.
|
||
hot: true,
|
||
// It is important to tell WebpackDevServer to use the same "root" path
|
||
// as we specified in the config. In development, we always serve from /.
|
||
publicPath: config.output.publicPath,
|
||
// WebpackDevServer is noisy by default so we emit custom message instead
|
||
// by listening to the compiler events with `compiler.plugin` calls above.
|
||
quiet: true,
|
||
// Reportedly, this avoids CPU overload on some systems.
|
||
// https://github.com/facebookincubator/create-inferno-app/issues/293
|
||
// src/node_modules is not ignored to support absolute imports
|
||
// https://github.com/facebookincubator/create-react-app/issues/1065
|
||
watchOptions: {
|
||
ignored: ignoredFiles(paths.appSrc),
|
||
},
|
||
// Enable HTTPS if the HTTPS environment variable is set to 'true'
|
||
https: protocol === 'https',
|
||
host: host,
|
||
overlay: false,
|
||
historyApiFallback: {
|
||
// Paths with dots should still use the history fallback.
|
||
// See https://github.com/facebookincubator/create-inferno-app/issues/387.
|
||
disableDotRule: true,
|
||
},
|
||
public: allowedHost,
|
||
proxy,
|
||
before(app) {
|
||
// This lets us open files from the runtime error overlay.
|
||
app.use(errorOverlayMiddleware());
|
||
// This service worker file is effectively a 'no-op' that will reset any
|
||
// previous service worker registered for the same host:port combination.
|
||
// We do this in development to avoid hitting the production cache if
|
||
// it used the same host and port.
|
||
// https://github.com/facebookincubator/create-inferno-app/issues/2272#issuecomment-302832432
|
||
app.use(noopServiceWorkerMiddleware());
|
||
},
|
||
};
|
||
};
|