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/*
* SonarQube
* Copyright (C) 2009-2021 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/* eslint-disable no-console*/
const chalk = require('chalk');
const sortBy = require('lodash/sortBy');
function formatSize(bytes) {
if (bytes === 0) {
return '0';
}
const k = 1000; // or 1024 for binary
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(0)) + ' ' + sizes[i];
}
module.exports = (stats, bundleName = '', filesLimit = 10) => {
if (stats.compilation.errors && stats.compilation.errors.length) {
console.log(chalk.red.bold('Failed to create a production build!'));
stats.compilation.errors.forEach(err => console.log(chalk.red(err.message || err)));
process.exit(1);
}
const jsonStats = stats.toJson();
const onlyJS = jsonStats.assets.filter(asset => asset.name.endsWith('.js'));
console.log(`Biggest js chunks (${onlyJS.length} total) ${bundleName && `[${bundleName}]`}:`);
sortBy(onlyJS, asset => -asset.size)
.slice(0, filesLimit)
.forEach(asset => {
let sizeLabel = formatSize(asset.size);
const leftPadding = ' '.repeat(Math.max(0, 8 - sizeLabel.length));
sizeLabel = leftPadding + sizeLabel;
console.log('', chalk.yellow(sizeLabel), asset.name);
});
console.log();
const seconds = jsonStats.time / 1000;
console.log('Duration: ' + seconds.toFixed(2) + 's');
console.log();
};
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