From e4651c8d1bc1c416de553428bcfba137ca35ef91 Mon Sep 17 00:00:00 2001 From: Determinant Date: Thu, 7 Feb 2019 00:37:13 -0500 Subject: use a minimal webpack-based build env --- scripts/build.js | 192 ------------------------------------------------------- 1 file changed, 192 deletions(-) delete mode 100644 scripts/build.js (limited to 'scripts/build.js') diff --git a/scripts/build.js b/scripts/build.js deleted file mode 100644 index 69142da..0000000 --- a/scripts/build.js +++ /dev/null @@ -1,192 +0,0 @@ -'use strict'; - -// 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 bfj = require('bfj'); -const configFactory = require('../config/webpack.config'); -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 isInteractive = process.stdout.isTTY; - -// Warn and crash if required files are missing -if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) { - process.exit(1); -} - -// Process CLI arguments -const argv = process.argv.slice(2); -const writeStatsJson = argv.indexOf('--stats') !== -1; - -// Generate configuration -const config = configFactory('production'); - -// We require that you explicitly set browsers and do not fall back to -// browserslist defaults. -const { checkBrowsers } = require('react-dev-utils/browsersHelper'); -checkBrowsers(paths.appPath, isInteractive) - .then(() => { - // First, read the current file sizes in build directory. - // This lets us display how much they changed later. - return 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 - 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')); - } - - 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); - } - ) - .catch(err => { - if (err && err.message) { - console.log(err.message); - } - 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) => { - let messages; - if (err) { - if (!err.message) { - return reject(err); - } - messages = formatWebpackMessages({ - errors: [err.message], - warnings: [], - }); - } else { - messages = formatWebpackMessages( - stats.toJson({ all: false, warnings: true, errors: 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'))); - } - - const resolveArgs = { - stats, - previousFileSizes, - warnings: messages.warnings, - }; - if (writeStatsJson) { - return bfj - .write(paths.appBuild + '/bundle-stats.json', stats.toJson()) - .then(() => resolve(resolveArgs)) - .catch(error => reject(new Error(error))); - } - - return resolve(resolveArgs); - }); - }); -} - -function copyPublicFolder() { - fs.copySync(paths.appPublic, paths.appBuild, { - dereference: true, - filter: file => file !== paths.appHtml, - }); -} -- cgit v1.2.3-70-g09d2