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This commit is contained in:
Alexey Kasyanchuk
2017-01-01 05:56:09 +03:00
parent d8928b8eb4
commit 46708c8f7e
26 changed files with 3331 additions and 17 deletions
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224
scripts/build.js Normal file
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// Do this as the first thing so that any code reading it knows the right env.
process.env.NODE_ENV = 'production';
// Load environment variables from .env file. Suppress warnings using silent
// if this file is missing. dotenv will never modify any environment variables
// that have already been set.
// https://github.com/motdotla/dotenv
require('dotenv').config({silent: true});
var chalk = require('chalk');
var fs = require('fs-extra');
var path = require('path');
var pathExists = require('path-exists');
var filesize = require('filesize');
var gzipSize = require('gzip-size').sync;
var webpack = require('webpack');
var config = require('../config/webpack.config.prod');
var paths = require('../config/paths');
var checkRequiredFiles = require('react-dev-utils/checkRequiredFiles');
var recursive = require('recursive-readdir');
var stripAnsi = require('strip-ansi');
var useYarn = pathExists.sync(paths.yarnLockFile);
// Warn and crash if required files are missing
if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) {
process.exit(1);
}
// Input: /User/dan/app/build/static/js/main.82be8.js
// Output: /static/js/main.js
function removeFileNameHash(fileName) {
return fileName
.replace(paths.appBuild, '')
.replace(/\/?(.*)(\.\w+)(\.js|\.css)/, (match, p1, p2, p3) => p1 + p3);
}
// Input: 1024, 2048
// Output: "(+1 KB)"
function getDifferenceLabel(currentSize, previousSize) {
var FIFTY_KILOBYTES = 1024 * 50;
var difference = currentSize - previousSize;
var fileSize = !Number.isNaN(difference) ? filesize(difference) : 0;
if (difference >= FIFTY_KILOBYTES) {
return chalk.red('+' + fileSize);
} else if (difference < FIFTY_KILOBYTES && difference > 0) {
return chalk.yellow('+' + fileSize);
} else if (difference < 0) {
return chalk.green(fileSize);
} else {
return '';
}
}
// First, read the current file sizes in build directory.
// This lets us display how much they changed later.
recursive(paths.appBuild, (err, fileNames) => {
var previousSizeMap = (fileNames || [])
.filter(fileName => /\.(js|css)$/.test(fileName))
.reduce((memo, fileName) => {
var contents = fs.readFileSync(fileName);
var key = removeFileNameHash(fileName);
memo[key] = gzipSize(contents);
return memo;
}, {});
// Remove all content but keep the directory so that
// if you're in it, you don't end up in Trash
fs.emptyDirSync(paths.appBuild);
// Start the webpack build
build(previousSizeMap);
// Merge with the public folder
copyPublicFolder();
});
// Print a detailed summary of build files.
function printFileSizes(stats, previousSizeMap) {
var assets = stats.toJson().assets
.filter(asset => /\.(js|css)$/.test(asset.name))
.map(asset => {
var fileContents = fs.readFileSync(paths.appBuild + '/' + asset.name);
var size = gzipSize(fileContents);
var previousSize = previousSizeMap[removeFileNameHash(asset.name)];
var difference = getDifferenceLabel(size, previousSize);
return {
folder: path.join('build', path.dirname(asset.name)),
name: path.basename(asset.name),
size: size,
sizeLabel: filesize(size) + (difference ? ' (' + difference + ')' : '')
};
});
assets.sort((a, b) => b.size - a.size);
var longestSizeLabelLength = Math.max.apply(null,
assets.map(a => stripAnsi(a.sizeLabel).length)
);
assets.forEach(asset => {
var sizeLabel = asset.sizeLabel;
var sizeLength = stripAnsi(sizeLabel).length;
if (sizeLength < longestSizeLabelLength) {
var rightPadding = ' '.repeat(longestSizeLabelLength - sizeLength);
sizeLabel += rightPadding;
}
console.log(
' ' + sizeLabel +
' ' + chalk.dim(asset.folder + path.sep) + chalk.cyan(asset.name)
);
});
}
// Print out errors
function printErrors(summary, errors) {
console.log(chalk.red(summary));
console.log();
errors.forEach(err => {
console.log(err.message || err);
console.log();
});
}
// Create the production build and print the deployment instructions.
function build(previousSizeMap) {
console.log('Creating an optimized production build...');
webpack(config).run((err, stats) => {
if (err) {
printErrors('Failed to compile.', [err]);
process.exit(1);
}
if (stats.compilation.errors.length) {
printErrors('Failed to compile.', stats.compilation.errors);
process.exit(1);
}
if (process.env.CI && stats.compilation.warnings.length) {
printErrors('Failed to compile.', stats.compilation.warnings);
process.exit(1);
}
console.log(chalk.green('Compiled successfully.'));
console.log();
console.log('File sizes after gzip:');
console.log();
printFileSizes(stats, previousSizeMap);
console.log();
var openCommand = process.platform === 'win32' ? 'start' : 'open';
var appPackage = require(paths.appPackageJson);
var homepagePath = appPackage.homepage;
var publicPath = config.output.publicPath;
if (homepagePath && homepagePath.indexOf('.github.io/') !== -1) {
// "homepage": "http://user.github.io/project"
console.log('The project was built assuming it is hosted at ' + chalk.green(publicPath) + '.');
console.log('You can control this with the ' + chalk.green('homepage') + ' field in your ' + chalk.cyan('package.json') + '.');
console.log();
console.log('The ' + chalk.cyan('build') + ' folder is ready to be deployed.');
console.log('To publish it at ' + chalk.green(homepagePath) + ', run:');
// If script deploy has been added to package.json, skip the instructions
if (typeof appPackage.scripts.deploy === 'undefined') {
console.log();
if (useYarn) {
console.log(' ' + chalk.cyan('yarn') + ' add --dev gh-pages');
} else {
console.log(' ' + chalk.cyan('npm') + ' install --save-dev gh-pages');
}
console.log();
console.log('Add the following script in your ' + chalk.cyan('package.json') + '.');
console.log();
console.log(' ' + chalk.dim('// ...'));
console.log(' ' + chalk.yellow('"scripts"') + ': {');
console.log(' ' + chalk.dim('// ...'));
console.log(' ' + chalk.yellow('"deploy"') + ': ' + chalk.yellow('"npm run build&&gh-pages -d build"'));
console.log(' }');
console.log();
console.log('Then run:');
}
console.log();
console.log(' ' + chalk.cyan(useYarn ? 'yarn' : 'npm') + ' run deploy');
console.log();
} else if (publicPath !== '/') {
// "homepage": "http://mywebsite.com/project"
console.log('The project was built assuming it is hosted at ' + chalk.green(publicPath) + '.');
console.log('You can control this with the ' + chalk.green('homepage') + ' field in your ' + chalk.cyan('package.json') + '.');
console.log();
console.log('The ' + chalk.cyan('build') + ' folder is ready to be deployed.');
console.log();
} else {
// no homepage or "homepage": "http://mywebsite.com"
console.log('The project was built assuming it is hosted at the server root.');
if (homepagePath) {
// "homepage": "http://mywebsite.com"
console.log('You can control this with the ' + chalk.green('homepage') + ' field in your ' + chalk.cyan('package.json') + '.');
console.log();
} else {
// no homepage
console.log('To override this, specify the ' + chalk.green('homepage') + ' in your ' + chalk.cyan('package.json') + '.');
console.log('For example, add this to build it for GitHub Pages:')
console.log();
console.log(' ' + chalk.green('"homepage"') + chalk.cyan(': ') + chalk.green('"http://myname.github.io/myapp"') + chalk.cyan(','));
console.log();
}
console.log('The ' + chalk.cyan('build') + ' folder is ready to be deployed.');
console.log('You may also serve it locally with a static server:')
console.log();
if (useYarn) {
console.log(' ' + chalk.cyan('yarn') + ' global add pushstate-server');
} else {
console.log(' ' + chalk.cyan('npm') + ' install -g pushstate-server');
}
console.log(' ' + chalk.cyan('pushstate-server') + ' build');
console.log(' ' + chalk.cyan(openCommand) + ' http://localhost:9000');
console.log();
}
});
}
function copyPublicFolder() {
fs.copySync(paths.appPublic, paths.appBuild, {
dereference: true,
filter: file => file !== paths.appHtml
});
}

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process.env.NODE_ENV = 'development';
// Load environment variables from .env file. Suppress warnings using silent
// if this file is missing. dotenv will never modify any environment variables
// that have already been set.
// https://github.com/motdotla/dotenv
require('dotenv').config({silent: true});
var chalk = require('chalk');
var webpack = require('webpack');
var WebpackDevServer = require('webpack-dev-server');
var historyApiFallback = require('connect-history-api-fallback');
var httpProxyMiddleware = require('http-proxy-middleware');
var detect = require('detect-port');
var clearConsole = require('react-dev-utils/clearConsole');
var checkRequiredFiles = require('react-dev-utils/checkRequiredFiles');
var formatWebpackMessages = require('react-dev-utils/formatWebpackMessages');
var getProcessForPort = require('react-dev-utils/getProcessForPort');
var openBrowser = require('react-dev-utils/openBrowser');
var prompt = require('react-dev-utils/prompt');
var pathExists = require('path-exists');
var config = require('../config/webpack.config.dev');
var paths = require('../config/paths');
var useYarn = pathExists.sync(paths.yarnLockFile);
var cli = useYarn ? 'yarn' : 'npm';
var isInteractive = process.stdout.isTTY;
// Warn and crash if required files are missing
if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) {
process.exit(1);
}
// Tools like Cloud9 rely on this.
var DEFAULT_PORT = process.env.PORT || 3000;
var compiler;
var handleCompile;
// You can safely remove this after ejecting.
// We only use this block for testing of Create React App itself:
var isSmokeTest = process.argv.some(arg => arg.indexOf('--smoke-test') > -1);
if (isSmokeTest) {
handleCompile = function (err, stats) {
if (err || stats.hasErrors() || stats.hasWarnings()) {
process.exit(1);
} else {
process.exit(0);
}
};
}
function setupCompiler(host, port, protocol) {
// "Compiler" is a low-level interface to Webpack.
// It lets us listen to some events and provide our own custom messages.
compiler = webpack(config, handleCompile);
// "invalid" event fires when you have changed a file, and Webpack is
// recompiling a bundle. WebpackDevServer takes care to pause serving the
// bundle, so if you refresh, it'll wait instead of serving the old one.
// "invalid" is short for "bundle invalidated", it doesn't imply any errors.
compiler.plugin('invalid', function() {
if (isInteractive) {
clearConsole();
}
console.log('Compiling...');
});
var isFirstCompile = true;
// "done" event fires when Webpack has finished recompiling the bundle.
// Whether or not you have warnings or errors, you will get this event.
compiler.plugin('done', function(stats) {
if (isInteractive) {
clearConsole();
}
// We have switched off the default Webpack output in WebpackDevServer
// options so we are going to "massage" the warnings and errors and present
// them in a readable focused way.
var messages = formatWebpackMessages(stats.toJson({}, true));
var isSuccessful = !messages.errors.length && !messages.warnings.length;
var showInstructions = isSuccessful && (isInteractive || isFirstCompile);
if (isSuccessful) {
console.log(chalk.green('Compiled successfully!'));
}
if (showInstructions) {
console.log();
console.log('The app is running at:');
console.log();
console.log(' ' + chalk.cyan(protocol + '://' + host + ':' + port + '/'));
console.log();
console.log('Note that the development build is not optimized.');
console.log('To create a production build, use ' + chalk.cyan(cli + ' run build') + '.');
console.log();
isFirstCompile = false;
}
// If errors exist, only show errors.
if (messages.errors.length) {
console.log(chalk.red('Failed to compile.'));
console.log();
messages.errors.forEach(message => {
console.log(message);
console.log();
});
return;
}
// Show warnings if no errors were found.
if (messages.warnings.length) {
console.log(chalk.yellow('Compiled with warnings.'));
console.log();
messages.warnings.forEach(message => {
console.log(message);
console.log();
});
// Teach some ESLint tricks.
console.log('You may use special comments to disable some warnings.');
console.log('Use ' + chalk.yellow('// eslint-disable-next-line') + ' to ignore the next line.');
console.log('Use ' + chalk.yellow('/* eslint-disable */') + ' to ignore all warnings in a file.');
}
});
}
// We need to provide a custom onError function for httpProxyMiddleware.
// It allows us to log custom error messages on the console.
function onProxyError(proxy) {
return function(err, req, res){
var host = req.headers && req.headers.host;
console.log(
chalk.red('Proxy error:') + ' Could not proxy request ' + chalk.cyan(req.url) +
' from ' + chalk.cyan(host) + ' to ' + chalk.cyan(proxy) + '.'
);
console.log(
'See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (' +
chalk.cyan(err.code) + ').'
);
console.log();
// And immediately send the proper error response to the client.
// Otherwise, the request will eventually timeout with ERR_EMPTY_RESPONSE on the client side.
if (res.writeHead && !res.headersSent) {
res.writeHead(500);
}
res.end('Proxy error: Could not proxy request ' + req.url + ' from ' +
host + ' to ' + proxy + ' (' + err.code + ').'
);
}
}
function addMiddleware(devServer) {
// `proxy` lets you to specify a fallback server during development.
// Every unrecognized request will be forwarded to it.
var proxy = require(paths.appPackageJson).proxy;
devServer.use(historyApiFallback({
// Paths with dots should still use the history fallback.
// See https://github.com/facebookincubator/create-react-app/issues/387.
disableDotRule: true,
// For single page apps, we generally want to fallback to /index.html.
// However we also want to respect `proxy` for API calls.
// So if `proxy` is specified, we need to decide which fallback to use.
// We use a heuristic: if request `accept`s text/html, we pick /index.html.
// Modern browsers include text/html into `accept` header when navigating.
// However API calls like `fetch()` won’t generally accept text/html.
// If this heuristic doesn’t work well for you, don’t use `proxy`.
htmlAcceptHeaders: proxy ?
['text/html'] :
['text/html', '*/*']
}));
if (proxy) {
if (typeof proxy !== 'string') {
console.log(chalk.red('When specified, "proxy" in package.json must be a string.'));
console.log(chalk.red('Instead, the type of "proxy" was "' + typeof proxy + '".'));
console.log(chalk.red('Either remove "proxy" from package.json, or make it a string.'));
process.exit(1);
}
// Otherwise, if proxy is specified, we will let it handle any request.
// There are a few exceptions which we won't send to the proxy:
// - /index.html (served as HTML5 history API fallback)
// - /*.hot-update.json (WebpackDevServer uses this too for hot reloading)
// - /sockjs-node/* (WebpackDevServer uses this for hot reloading)
// Tip: use https://jex.im/regulex/ to visualize the regex
var mayProxy = /^(?!\/(index\.html$|.*\.hot-update\.json$|sockjs-node\/)).*$/;
// Pass the scope regex both to Express and to the middleware for proxying
// of both HTTP and WebSockets to work without false positives.
var hpm = httpProxyMiddleware(pathname => mayProxy.test(pathname), {
target: proxy,
logLevel: 'silent',
onProxyReq: function(proxyReq, req, res) {
// Browers may send Origin headers even with same-origin
// requests. To prevent CORS issues, we have to change
// the Origin to match the target URL.
if (proxyReq.getHeader('origin')) {
proxyReq.setHeader('origin', proxy);
}
},
onError: onProxyError(proxy),
secure: false,
changeOrigin: true,
ws: true
});
devServer.use(mayProxy, hpm);
// Listen for the websocket 'upgrade' event and upgrade the connection.
// If this is not done, httpProxyMiddleware will not try to upgrade until
// an initial plain HTTP request is made.
devServer.listeningApp.on('upgrade', hpm.upgrade);
}
// Finally, by now we have certainly resolved the URL.
// It may be /index.html, so let the dev server try serving it again.
devServer.use(devServer.middleware);
}
function runDevServer(host, port, protocol) {
var devServer = new WebpackDevServer(compiler, {
// 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_PATH%:
// <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,
// 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-react-app/issues/293
watchOptions: {
ignored: /node_modules/
},
// Enable HTTPS if the HTTPS environment variable is set to 'true'
https: protocol === "https",
host: host
});
// Our custom middleware proxies requests to /index.html or a remote API.
addMiddleware(devServer);
// Launch WebpackDevServer.
devServer.listen(port, (err, result) => {
if (err) {
return console.log(err);
}
if (isInteractive) {
clearConsole();
}
console.log(chalk.cyan('Starting the development server...'));
console.log();
if (isInteractive) {
openBrowser(protocol + '://' + host + ':' + port + '/');
}
});
}
function run(port) {
var protocol = process.env.HTTPS === 'true' ? "https" : "http";
var host = process.env.HOST || 'localhost';
setupCompiler(host, port, protocol);
runDevServer(host, port, protocol);
}
// We attempt to use the default port but if it is busy, we offer the user to
// run on a different port. `detect()` Promise resolves to the next free port.
detect(DEFAULT_PORT).then(port => {
if (port === DEFAULT_PORT) {
run(port);
return;
}
if (isInteractive) {
clearConsole();
var existingProcess = getProcessForPort(DEFAULT_PORT);
var question =
chalk.yellow('Something is already running on port ' + DEFAULT_PORT + '.' +
((existingProcess) ? ' Probably:\n ' + existingProcess : '')) +
'\n\nWould you like to run the app on another port instead?';
prompt(question, true).then(shouldChangePort => {
if (shouldChangePort) {
run(port);
}
});
} else {
console.log(chalk.red('Something is already running on port ' + DEFAULT_PORT + '.'));
}
});

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process.env.NODE_ENV = 'test';
process.env.PUBLIC_URL = '';
// Load environment variables from .env file. Suppress warnings using silent
// if this file is missing. dotenv will never modify any environment variables
// that have already been set.
// https://github.com/motdotla/dotenv
require('dotenv').config({silent: true});
const jest = require('jest');
const argv = process.argv.slice(2);
// Watch unless on CI or in coverage mode
if (!process.env.CI && argv.indexOf('--coverage') < 0) {
argv.push('--watch');
}
// A temporary hack to clear terminal correctly.
// You can remove this after updating to Jest 18 when it's out.
// https://github.com/facebook/jest/pull/2230
var realWrite = process.stdout.write;
var CLEAR = process.platform === 'win32' ? '\x1Bc' : '\x1B[2J\x1B[3J\x1B[H';
process.stdout.write = function(chunk, encoding, callback) {
if (chunk === '\x1B[2J\x1B[H') {
chunk = CLEAR;
}
return realWrite.call(this, chunk, encoding, callback);
};
jest.run(argv);