ecology9-src4js-tools
Version:
src4js-tools
249 lines (232 loc) • 8.64 kB
JavaScript
;
// Do this as the first thing so that any code reading it knows the right env.
process.env.BABEL_ENV = 'production';
process.env.NODE_ENV = 'production';
// Makes the script crash on unhandled rejections instead of silently
// ignoring them. In the future, promise rejections that are not handled will
// terminate the Node.js process with a non-zero exit code.
process.on('unhandledRejection', err => {
throw err;
});
// Ensure environment variables are read.
require('../config/env');
const path = require('path');
const chalk = require('chalk');
const fs = require('fs-extra');
const webpack = require('webpack');
const config = require('../config/webpack.config.prod');
const paths = require('../config/paths');
const checkRequiredFiles = require('react-dev-utils/checkRequiredFiles');
const formatWebpackMessages = require('react-dev-utils/formatWebpackMessages');
const printHostingInstructions = require('react-dev-utils/printHostingInstructions');
const FileSizeReporter = require('react-dev-utils/FileSizeReporter');
const printBuildError = require('react-dev-utils/printBuildError');
const measureFileSizesBeforeBuild =
FileSizeReporter.measureFileSizesBeforeBuild;
const printFileSizesAfterBuild = FileSizeReporter.printFileSizesAfterBuild;
const useYarn = fs.existsSync(paths.yarnLockFile);
// These sizes are pretty large. We'll warn for bundles exceeding them.
const WARN_AFTER_BUNDLE_GZIP_SIZE = 512 * 1024;
const WARN_AFTER_CHUNK_GZIP_SIZE = 1024 * 1024;
const versions = require('../versions');
// Warn and crash if required files are missing
if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) {
process.exit(1);
}
// First, read the current file sizes in build directory.
// This lets us display how much they changed later.
measureFileSizesBeforeBuild(paths.appBuild)
.then(previousFileSizes => {
// Remove all content but keep the directory so that
// if you're in it, you don't end up in Trash
if (!paths.noEmptyDir && paths.htmlName && paths.appHtml) {
fs.emptyDirSync(paths.appBuild);
}
// Merge with the public folder
// copyPublicFolder();
// Start the webpack build
return build(previousFileSizes);
})
.then(
({ stats, previousFileSizes, warnings }) => {
if (warnings.length) {
console.log(chalk.yellow('Compiled with warnings.\n'));
console.log(warnings.join('\n\n'));
console.log(
'\nSearch for the ' +
chalk.underline(chalk.yellow('keywords')) +
' to learn more about each warning.'
);
console.log(
'To ignore, add ' +
chalk.cyan('// eslint-disable-next-line') +
' to the line before.\n'
);
} else {
console.log(chalk.green('Compiled successfully.\n'));
}
if (Array.isArray(paths.copyFilesPath)) {
// const reg = /[^\/]+\/[^\/]+$/;
paths.copyFilesPath.forEach(copyFile => {
fs.copy(copyFile.from, copyFile.to, err => {
if (err) {
console.log(chalk.red('Failed to copy files.\n'));
printBuildError(err);
} else {
console.log('The ' + chalk.green(copyFile.from) + ' has copied to ' + chalk.green(copyFile.to) + '\n');
}
})
});
}
if (Array.isArray(versions)) {
const version = new Date().getTime();
const js = {};
const css = {};
const copyJs = {};
const copyCss = {};
if (paths.servedPath) {
if (paths.jsName) {
js.key = paths.servedPath + paths.jsName;
js.src = js.key + '?v=' + version;
js.version = version;
}
if (paths.cssName) {
css.key = paths.servedPath + paths.cssName;
css.src = css.key + '?v=' + version;
css.version = version;
}
if (Array.isArray(paths.copyFiles)) {
const reg = new RegExp(`^${paths.buildPath}`);
paths.copyFiles.forEach(c => {
if (reg.test(c.from) && /^\.\.\/.*/.test(c.to)) {
const ck = c.to.replace(/^\.\./, '');
if (js.key && new RegExp(`${js.key}$`).test(c.from)) {
copyJs.key = ck;
copyJs.src = ck + '?v=' + version;
copyJs.version = version;
}
if (css.key && new RegExp(`${css.key}$`).test(c.from)) {
copyCss.key = ck;
copyCss.src = ck + '?v=' + version;
copyCss.version = version;
}
}
});
}
if (paths.moduleConfig) {
fs.readFile(paths.moduleConfig, { encoding:'utf8' },(err, data) => {
if(err)
return console.error(err);
let oldData = data.toString();
if (oldData) {
if (css.key) {
oldData = oldData.replace(new RegExp(`\\'${css.key}[^\\']*\\'`, 'g'), `'${css.src}'`);
}
if (js.key) {
oldData = oldData.replace(new RegExp(`\\'${js.key}[^\\']*\\'`, 'g'), `'${js.src}'`);
}
if (copyJs.key) {
oldData = oldData.replace(new RegExp(`\\'${copyJs.key}[^\\']*\\'`, 'g'), `'${copyJs.src}'`);
}
if (copyCss.key) {
oldData = oldData.replace(new RegExp(`\\'${copyCss.key}[^\\']*\\'`, 'g'), `'${copyCss.src}'`);
}
}
fs.writeFile(paths.moduleConfig, oldData, { 'flag': 'w' }, function(err) {
if(err) console.log(err);
})
});
}
const newVersions = versions.filter(v => v.key !== js.key).filter(v => v.key !== css.key);
if (css.key) {
newVersions.push(css);
}
if (js.key) {
newVersions.push(js);
}
if (copyJs.key) {
newVersions.push(copyJs);
}
if (copyCss.key) {
newVersions.push(copyCss);
}
let content = 'module.exports = ';
content += JSON.stringify(newVersions);
fs.writeFile('versions.js', content, { 'flag': 'w' }, function(err) {
if(err) console.log(err);
})
}
}
console.log('File sizes after gzip:\n');
printFileSizesAfterBuild(
stats,
previousFileSizes,
paths.appBuild,
WARN_AFTER_BUNDLE_GZIP_SIZE,
WARN_AFTER_CHUNK_GZIP_SIZE
);
console.log();
const appPackage = require(paths.appPackageJson);
const publicUrl = paths.publicUrl;
const publicPath = config.output.publicPath;
const buildFolder = path.relative(process.cwd(), paths.appBuild);
printHostingInstructions(
appPackage,
publicUrl,
publicPath,
buildFolder,
useYarn
);
},
err => {
console.log(chalk.red('Failed to compile.\n'));
printBuildError(err);
process.exit(1);
}
);
// Create the production build and print the deployment instructions.
function build(previousFileSizes) {
console.log('Creating an optimized production build...');
let compiler = webpack(config);
return new Promise((resolve, reject) => {
compiler.run((err, stats) => {
if (err) {
return reject(err);
}
const messages = formatWebpackMessages(stats.toJson({}, true));
if (messages.errors.length) {
// Only keep the first error. Others are often indicative
// of the same problem, but confuse the reader with noise.
if (messages.errors.length > 1) {
messages.errors.length = 1;
}
return reject(new Error(messages.errors.join('\n\n')));
}
if (
process.env.CI &&
(typeof process.env.CI !== 'string' ||
process.env.CI.toLowerCase() !== 'false') &&
messages.warnings.length
) {
console.log(
chalk.yellow(
'\nTreating warnings as errors because process.env.CI = true.\n' +
'Most CI servers set it automatically.\n'
)
);
return reject(new Error(messages.warnings.join('\n\n')));
}
return resolve({
stats,
previousFileSizes,
warnings: messages.warnings,
});
});
});
}
function copyPublicFolder() {
fs.copySync(paths.appPublic, paths.appBuild, {
dereference: true,
filter: file => file === paths.appHtml || paths.appHtml.indexOf(file) === 0,
});
}