mirror of
https://github.com/zhigang1992/create-react-app.git
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85 lines
3.8 KiB
JavaScript
85 lines
3.8 KiB
JavaScript
// @remove-on-eject-begin
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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// @remove-on-eject-end
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'use strict';
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const launchEditor = require('react-dev-utils/launchEditor');
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const config = require('./webpack.config.dev');
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const paths = require('./paths');
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const protocol = process.env.HTTPS === 'true' ? 'https' : 'http';
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const host = process.env.HOST || '0.0.0.0';
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module.exports = function(proxy, allowedHost) {
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return {
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// Enable gzip compression of generated files.
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compress: true,
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// Silence WebpackDevServer's own logs since they're generally not useful.
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// It will still show compile warnings and errors with this setting.
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clientLogLevel: 'none',
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// By default WebpackDevServer serves physical files from current directory
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// in addition to all the virtual build products that it serves from memory.
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// This is confusing because those files won’t automatically be available in
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// production build folder unless we copy them. However, copying the whole
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// project directory is dangerous because we may expose sensitive files.
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// Instead, we establish a convention that only files in `public` directory
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// get served. Our build script will copy `public` into the `build` folder.
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// In `index.html`, you can get URL of `public` folder with %PUBLIC_URL%:
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// <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
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// In JavaScript code, you can access it with `process.env.PUBLIC_URL`.
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// Note that we only recommend to use `public` folder as an escape hatch
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// for files like `favicon.ico`, `manifest.json`, and libraries that are
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// for some reason broken when imported through Webpack. If you just want to
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// use an image, put it in `src` and `import` it from JavaScript instead.
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contentBase: paths.appPublic,
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// By default files from `contentBase` will not trigger a page reload.
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watchContentBase: true,
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// Enable hot reloading server. It will provide /sockjs-node/ endpoint
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// for the WebpackDevServer client so it can learn when the files were
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// updated. The WebpackDevServer client is included as an entry point
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// in the Webpack development configuration. Note that only changes
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// to CSS are currently hot reloaded. JS changes will refresh the browser.
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hot: true,
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// It is important to tell WebpackDevServer to use the same "root" path
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// as we specified in the config. In development, we always serve from /.
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publicPath: config.output.publicPath,
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// WebpackDevServer is noisy by default so we emit custom message instead
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// by listening to the compiler events with `compiler.plugin` calls above.
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quiet: true,
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// Reportedly, this avoids CPU overload on some systems.
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// https://github.com/facebookincubator/create-react-app/issues/293
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watchOptions: {
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ignored: /node_modules/,
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},
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// Enable HTTPS if the HTTPS environment variable is set to 'true'
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https: protocol === 'https',
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host: host,
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overlay: false,
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historyApiFallback: {
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// Paths with dots should still use the history fallback.
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// See https://github.com/facebookincubator/create-react-app/issues/387.
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disableDotRule: true,
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},
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public: allowedHost,
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proxy,
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setup(app) {
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// This lets us open files from the crash overlay.
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app.use(function launchEditorMiddleware(req, res, next) {
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if (req.url.startsWith('/__open-stack-frame-in-editor')) {
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launchEditor(req.query.fileName, req.query.lineNumber);
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res.end();
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} else {
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next();
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}
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});
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},
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};
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};
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