/
build.ts
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/
build.ts
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/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import chalk from 'chalk';
import CopyWebpackPlugin from 'copy-webpack-plugin';
import fs from 'fs-extra';
import path from 'path';
import ReactLoadableSSRAddon from 'react-loadable-ssr-addon-v5-slorber';
import {Configuration} from 'webpack';
import {BundleAnalyzerPlugin} from 'webpack-bundle-analyzer';
import merge from 'webpack-merge';
import {STATIC_DIR_NAME} from '../constants';
import {load, loadContext} from '../server';
import {handleBrokenLinks} from '../server/brokenLinks';
import {BuildCLIOptions, Props} from '@docusaurus/types';
import createClientConfig from '../webpack/client';
import createServerConfig from '../webpack/server';
import {
applyConfigurePostCss,
applyConfigureWebpack,
compile,
} from '../webpack/utils';
import CleanWebpackPlugin from '../webpack/plugins/CleanWebpackPlugin';
import {loadI18n} from '../server/i18n';
import {mapAsyncSequencial} from '@docusaurus/utils';
export default async function build(
siteDir: string,
cliOptions: Partial<BuildCLIOptions> = {},
// TODO what's the purpose of this arg ?
forceTerminate: boolean = true,
): Promise<string> {
['SIGINT', 'SIGTERM'].forEach((sig) => {
process.on(sig, () => process.exit());
});
async function tryToBuildLocale({
locale,
isLastLocale,
}: {
locale: string;
isLastLocale: boolean;
}) {
try {
// console.log(chalk.green(`Site successfully built in locale=${locale}`));
return await buildLocale({
siteDir,
locale,
cliOptions,
forceTerminate,
isLastLocale,
});
} catch (e) {
console.error(`Unable to build website for locale "${locale}".`);
throw e;
}
}
const context = await loadContext(siteDir, {
customOutDir: cliOptions.outDir,
customConfigFilePath: cliOptions.config,
locale: cliOptions.locale,
localizePath: cliOptions.locale ? false : undefined,
});
const i18n = await loadI18n(context.siteConfig, {
locale: cliOptions.locale,
});
if (cliOptions.locale) {
return tryToBuildLocale({locale: cliOptions.locale, isLastLocale: true});
} else {
if (i18n.locales.length > 1) {
console.log(
chalk.yellow(
`\nWebsite will be built for all these locales:
- ${i18n.locales.join('\n- ')}`,
),
);
}
// We need the default locale to always be the 1st in the list
// If we build it last, it would "erase" the localized sites built in subfolders
const orderedLocales: string[] = [
i18n.defaultLocale,
...i18n.locales.filter((locale) => locale !== i18n.defaultLocale),
];
const results = await mapAsyncSequencial(orderedLocales, (locale) => {
const isLastLocale =
orderedLocales.indexOf(locale) === orderedLocales.length - 1;
return tryToBuildLocale({locale, isLastLocale});
});
return results[0];
}
}
async function buildLocale({
siteDir,
locale,
cliOptions,
forceTerminate,
isLastLocale,
}: {
siteDir: string;
locale: string;
cliOptions: Partial<BuildCLIOptions>;
forceTerminate: boolean;
isLastLocale: boolean;
}): Promise<string> {
process.env.BABEL_ENV = 'production';
process.env.NODE_ENV = 'production';
console.log(
chalk.blue(`\n[${locale}] Creating an optimized production build...`),
);
const props: Props = await load(siteDir, {
customOutDir: cliOptions.outDir,
customConfigFilePath: cliOptions.config,
locale,
localizePath: cliOptions.locale ? false : undefined,
});
// Apply user webpack config.
const {
outDir,
generatedFilesDir,
plugins,
siteConfig: {baseUrl, onBrokenLinks},
routes,
} = props;
const clientManifestPath = path.join(
generatedFilesDir,
'client-manifest.json',
);
let clientConfig: Configuration = merge(
createClientConfig(props, cliOptions.minify),
{
plugins: [
// Remove/clean build folders before building bundles.
new CleanWebpackPlugin({verbose: false}),
// Visualize size of webpack output files with an interactive zoomable treemap.
cliOptions.bundleAnalyzer && new BundleAnalyzerPlugin(),
// Generate client manifests file that will be used for server bundle.
new ReactLoadableSSRAddon({
filename: clientManifestPath,
}),
].filter(Boolean),
},
);
const allCollectedLinks: Record<string, string[]> = {};
let serverConfig: Configuration = createServerConfig({
props,
onLinksCollected: (staticPagePath, links) => {
allCollectedLinks[staticPagePath] = links;
},
});
const staticDir = path.resolve(siteDir, STATIC_DIR_NAME);
if (await fs.pathExists(staticDir)) {
serverConfig = merge(serverConfig, {
plugins: [
new CopyWebpackPlugin({
patterns: [
{
from: staticDir,
to: outDir,
},
],
}),
],
});
}
// Plugin Lifecycle - configureWebpack and configurePostCss.
plugins.forEach((plugin) => {
const {configureWebpack, configurePostCss} = plugin;
if (configurePostCss) {
clientConfig = applyConfigurePostCss(configurePostCss, clientConfig);
}
if (configureWebpack) {
clientConfig = applyConfigureWebpack(
configureWebpack.bind(plugin), // The plugin lifecycle may reference `this`. // TODO remove this implicit api: inject in callback instead
clientConfig,
false,
props.siteConfig.webpack?.jsLoader,
plugin.content,
);
serverConfig = applyConfigureWebpack(
configureWebpack.bind(plugin), // The plugin lifecycle may reference `this`. // TODO remove this implicit api: inject in callback instead
serverConfig,
true,
props.siteConfig.webpack?.jsLoader,
plugin.content,
);
}
});
// Make sure generated client-manifest is cleaned first so we don't reuse
// the one from previous builds.
if (await fs.pathExists(clientManifestPath)) {
await fs.unlink(clientManifestPath);
}
// Run webpack to build JS bundle (client) and static html files (server).
await compile([clientConfig, serverConfig]);
// Remove server.bundle.js because it is not needed.
if (
serverConfig.output &&
serverConfig.output.filename &&
typeof serverConfig.output.filename === 'string'
) {
const serverBundle = path.join(outDir, serverConfig.output.filename);
if (await fs.pathExists(serverBundle)) {
await fs.unlink(serverBundle);
}
}
// Plugin Lifecycle - postBuild.
await Promise.all(
plugins.map(async (plugin) => {
if (!plugin.postBuild) {
return;
}
await plugin.postBuild(props);
}),
);
await handleBrokenLinks({
allCollectedLinks,
routes,
onBrokenLinks,
outDir,
baseUrl,
});
console.log(
`${chalk.green(`Success!`)} Generated static files in "${chalk.cyan(
path.relative(process.cwd(), outDir),
)}".`,
);
if (isLastLocale) {
console.log(
`\nUse ${chalk.greenBright(
'`npm run serve`',
)} command to test your build locally.\n`,
);
}
if (forceTerminate && isLastLocale && !cliOptions.bundleAnalyzer) {
process.exit(0);
}
return outDir;
}