Files
create-react-app/scripts/build.js
2016-07-28 20:43:49 +01:00

82 lines
2.7 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
process.env.NODE_ENV = 'production';
var chalk = require('chalk');
var fs = require('fs');
var path = require('path');
var filesize = require('filesize');
var gzipSize = require('gzip-size').sync;
var rimrafSync = require('rimraf').sync;
var webpack = require('webpack');
var config = require('../config/webpack.config.prod');
var paths = require('../config/paths');
// Remove all content but keep the directory so that
// if you're in it, you don't end up in Trash
rimrafSync(paths.appBuild + '/*');
console.log('Creating an optimized production build...');
webpack(config).run(function(err, stats) {
if (err) {
console.error('Failed to create a production build. Reason:');
console.error(err.message || err);
process.exit(1);
}
console.log(chalk.green('Compiled successfully.'));
console.log();
console.log('File sizes after gzip:');
console.log();
var assets = stats.toJson().assets
.filter(asset => /\.(js|css)$/.test(asset.name))
.map(asset => {
var fileContents = fs.readFileSync(paths.appBuild + '/' + asset.name);
return {
name: asset.name,
size: gzipSize(fileContents)
};
});
assets.sort((a, b) => b.size - a.size);
assets.forEach(asset => {
console.log(
' ' + chalk.dim('build' + path.sep) + chalk.cyan(asset.name) + ': ' +
chalk.green(filesize(asset.size))
);
});
console.log();
var openCommand = process.platform === 'win32' ? 'start' : 'open';
var homepagePath = require(paths.appPackageJson).homepage;
if (homepagePath) {
console.log('You can now publish them at ' + homepagePath + '.');
console.log('For example, if you use GitHub Pages:');
console.log();
console.log(' git commit -am "Save local changes"');
console.log(' git checkout -B gh-pages');
console.log(' git add -f build');
console.log(' git commit -am "Rebuild website"');
console.log(' git filter-branch -f --prune-empty --subdirectory-filter build');
console.log(' git push -f origin gh-pages');
console.log(' git checkout -');
console.log();
} else {
console.log('You can now serve them with any static server.');
console.log('For example:');
console.log();
console.log(' npm install -g pushstate-server');
console.log(' pushstate-server build');
console.log(' ' + openCommand + ' http://localhost:9000');
console.log();
}
console.log();
});