/
config.ts
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/
config.ts
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import { join, parse } from 'path';
import * as webpack from 'webpack';
import { Configuration, WebpackPluginInstance } from 'webpack';
import { LicenseWebpackPlugin } from 'license-webpack-plugin';
import * as CopyWebpackPlugin from 'copy-webpack-plugin';
import { getOutputHashFormat } from './hash-format';
import { TsconfigPathsPlugin } from 'tsconfig-paths-webpack-plugin';
import { ExecutorContext } from '@nrwl/devkit';
import { loadTsTransformers } from '@nrwl/js';
import {
AssetGlobPattern,
NormalizedWebpackExecutorOptions,
} from '../executors/webpack/schema';
import { GeneratePackageJsonWebpackPlugin } from './generate-package-json-webpack-plugin';
import nodeExternals = require('webpack-node-externals');
import TerserPlugin = require('terser-webpack-plugin');
import ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
const IGNORED_WEBPACK_WARNINGS = [
/The comment file/i,
/could not find any license/i,
];
export interface InternalBuildOptions {
esm?: boolean;
isScriptOptimizeOn?: boolean;
emitDecoratorMetadata?: boolean;
configuration?: string;
skipTypeCheck?: boolean;
}
const extensions = ['.ts', '.tsx', '.mjs', '.js', '.jsx'];
export function getBaseWebpackPartial(
options: NormalizedWebpackExecutorOptions,
internalOptions: InternalBuildOptions,
context?: ExecutorContext
): Configuration {
// If the function is called directly and not through `@nrwl/webpack:webpack` then this target may not be set.
options.target ??= 'web';
const mainFields = [
...(internalOptions.esm ? ['es2015'] : []),
'module',
'main',
];
const hashFormat = getOutputHashFormat(options.outputHashing);
const suffixFormat = internalOptions.esm ? '' : '.es5';
const filename = internalOptions.isScriptOptimizeOn
? `[name]${hashFormat.script}${suffixFormat}.js`
: '[name].js';
const chunkFilename = internalOptions.isScriptOptimizeOn
? `[name]${hashFormat.chunk}${suffixFormat}.js`
: '[name].js';
const mode = internalOptions.isScriptOptimizeOn
? 'production'
: 'development';
let mainEntry = 'main';
if (options.outputFileName) {
mainEntry = parse(options.outputFileName).name;
}
const additionalEntryPoints =
options.additionalEntryPoints?.reduce(
(obj, current) => ({
...obj,
[current.entryName]: current.entryPath,
}),
{} as { [entryName: string]: string }
) ?? {};
const webpackConfig: Configuration = {
target: options.target,
entry: {
[mainEntry]: [options.main],
...additionalEntryPoints,
},
devtool:
options.sourceMap === 'hidden'
? 'hidden-source-map'
: options.sourceMap
? 'source-map'
: false,
mode,
output: {
path: options.outputPath,
filename,
chunkFilename,
hashFunction: 'xxhash64',
// Disabled for performance
pathinfo: false,
},
module: {
// Enabled for performance
unsafeCache: true,
rules: [
options.target === 'web' && {
test: /\.(bmp|png|jpe?g|gif|webp|avif)$/,
type: 'asset',
parser: {
dataUrlCondition: {
maxSize: 10_000, // 10 kB
},
},
},
{
// There's an issue resolving paths without fully specified extensions
// See: https://github.com/graphql/graphql-js/issues/2721
// TODO(jack): Add a flag to turn this option on like Next.js does via experimental flag.
// See: https://github.com/vercel/next.js/pull/29880
test: /\.m?jsx?$/,
resolve: {
fullySpecified: false,
},
},
createLoaderFromCompiler(options, internalOptions),
].filter(Boolean),
},
resolve: {
extensions,
alias: getAliases(options),
plugins: [
new TsconfigPathsPlugin({
configFile: options.tsConfig,
extensions,
mainFields,
}) as never, // TODO: Remove never type when 'tsconfig-paths-webpack-plugin' types fixed
],
mainFields,
},
performance: {
hints: false,
},
plugins: [],
watch: options.watch,
watchOptions: {
poll: options.poll,
},
stats: getStatsConfig(options),
ignoreWarnings: [
(x) =>
IGNORED_WEBPACK_WARNINGS.some((r) =>
typeof x === 'string' ? r.test(x) : r.test(x.message)
),
],
experiments: {
cacheUnaffected: true,
},
};
if (options.target === 'node') {
webpackConfig.output.libraryTarget = 'commonjs';
webpackConfig.node = false;
// could be an object { scripts: boolean; styles: boolean }
if (options.optimization === true) {
webpackConfig.optimization = {
minimize: true,
minimizer: [
new TerserPlugin({
terserOptions: {
mangle: false,
keep_classnames: true,
},
}),
],
concatenateModules: true,
};
}
} else {
webpackConfig.plugins.push(
new webpack.DefinePlugin(getClientEnvironment(mode).stringified)
);
if (options.compiler !== 'swc' && internalOptions.isScriptOptimizeOn) {
webpackConfig.optimization = {
sideEffects: true,
minimizer: [
new TerserPlugin({
parallel: true,
terserOptions: {
ecma: (internalOptions.esm ? 2016 : 5) as TerserPlugin.TerserECMA,
safari10: true,
output: {
ascii_only: true,
comments: false,
webkit: true,
},
},
}),
],
runtimeChunk: true,
};
}
webpackConfig.optimization ??= {};
webpackConfig.optimization.nodeEnv = process.env.NODE_ENV ?? mode;
}
const extraPlugins: WebpackPluginInstance[] = [];
if (!internalOptions.skipTypeCheck && internalOptions.esm) {
extraPlugins.push(
new ForkTsCheckerWebpackPlugin({
typescript: {
configFile: options.tsConfig,
memoryLimit: options.memoryLimit || 2018,
},
})
);
}
if (options.progress) {
extraPlugins.push(new webpack.ProgressPlugin());
}
// TODO LicenseWebpackPlugin needs a PR for proper typing
if (options.extractLicenses) {
extraPlugins.push(
new LicenseWebpackPlugin({
stats: {
errors: false,
},
perChunkOutput: false,
outputFilename: `3rdpartylicenses.txt`,
}) as unknown as WebpackPluginInstance
);
}
if (Array.isArray(options.assets) && options.assets.length > 0) {
extraPlugins.push(createCopyPlugin(options.assets));
}
if (
options.target === 'node' &&
options.externalDependencies === 'all' &&
context
) {
const modulesDir = `${context.root}/node_modules`;
webpackConfig.externals = [nodeExternals({ modulesDir })];
} else if (Array.isArray(options.externalDependencies)) {
webpackConfig.externals = [
function (context, callback: Function) {
if (options.externalDependencies.includes(context.request)) {
// not bundled
return callback(null, `commonjs ${context.request}`);
}
// bundled
callback();
},
];
}
if (options.generatePackageJson && context) {
extraPlugins.push(new GeneratePackageJsonWebpackPlugin(context, options));
}
webpackConfig.plugins = [...webpackConfig.plugins, ...extraPlugins];
return webpackConfig;
}
function getAliases(options: NormalizedWebpackExecutorOptions): {
[key: string]: string;
} {
return options.fileReplacements.reduce(
(aliases, replacement) => ({
...aliases,
[replacement.replace]: replacement.with,
}),
{}
);
}
function getStatsConfig(options: NormalizedWebpackExecutorOptions) {
return {
hash: true,
timings: false,
cached: false,
cachedAssets: false,
modules: false,
warnings: true,
errors: true,
colors: !options.verbose && !options.statsJson,
chunks: !options.verbose,
assets: !!options.verbose,
chunkOrigins: !!options.verbose,
chunkModules: !!options.verbose,
children: !!options.verbose,
reasons: !!options.verbose,
version: !!options.verbose,
errorDetails: !!options.verbose,
moduleTrace: !!options.verbose,
usedExports: !!options.verbose,
};
}
export function getClientEnvironment(mode) {
// Grab NODE_ENV and NX_* environment variables and prepare them to be
// injected into the application via DefinePlugin in webpack configuration.
const NX_APP = /^NX_/i;
const raw = Object.keys(process.env)
.filter((key) => NX_APP.test(key))
.reduce(
(env, key) => {
env[key] = process.env[key];
return env;
},
{
// Useful for determining whether we’re running in production mode.
NODE_ENV: process.env.NODE_ENV || mode,
}
);
// Stringify all values so we can feed into webpack DefinePlugin
const stringified = {
'process.env': Object.keys(raw).reduce((env, key) => {
env[key] = JSON.stringify(raw[key]);
return env;
}, {}),
};
return { stringified };
}
export function createCopyPlugin(assets: AssetGlobPattern[]) {
return new CopyWebpackPlugin({
patterns: assets.map((asset) => {
return {
context: asset.input,
// Now we remove starting slash to make Webpack place it from the output root.
to: asset.output,
from: asset.glob,
globOptions: {
ignore: [
'.gitkeep',
'**/.DS_Store',
'**/Thumbs.db',
...(asset.ignore ?? []),
],
dot: true,
},
};
}),
});
}
export function createLoaderFromCompiler(
options: NormalizedWebpackExecutorOptions,
extraOptions: InternalBuildOptions
) {
switch (options.compiler) {
case 'swc':
return {
test: /\.([jt])sx?$/,
loader: require.resolve('swc-loader'),
exclude: /node_modules/,
options: {
jsc: {
parser: {
syntax: 'typescript',
decorators: true,
tsx: true,
},
transform: {
react: {
runtime: 'automatic',
},
},
loose: true,
},
},
};
case 'tsc':
const { compilerPluginHooks, hasPlugin } = loadTsTransformers(
options.transformers
);
return {
test: /\.([jt])sx?$/,
loader: require.resolve(`ts-loader`),
exclude: /node_modules/,
options: {
configFile: options.tsConfig,
transpileOnly: !hasPlugin,
// https://github.com/TypeStrong/ts-loader/pull/685
experimentalWatchApi: true,
getCustomTransformers: (program) => ({
before: compilerPluginHooks.beforeHooks.map((hook) =>
hook(program)
),
after: compilerPluginHooks.afterHooks.map((hook) => hook(program)),
afterDeclarations: compilerPluginHooks.afterDeclarationsHooks.map(
(hook) => hook(program)
),
}),
},
};
case 'babel':
return {
test: /\.([jt])sx?$/,
loader: join(__dirname, 'web-babel-loader'),
exclude: /node_modules/,
options: {
rootMode: 'upward',
cwd: join(options.root, options.sourceRoot),
emitDecoratorMetadata: extraOptions.emitDecoratorMetadata,
isModern: extraOptions.esm,
envName: extraOptions.isScriptOptimizeOn
? 'production'
: extraOptions.configuration,
babelrc: true,
cacheDirectory: true,
cacheCompression: false,
},
};
default:
return null;
}
}