/
browser.ts
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/
browser.ts
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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { LicenseWebpackPlugin } from 'license-webpack-plugin';
import { WebpackConfigOptions } from '../build-options';
import {
getSourceMapDevTool,
isPolyfillsEntry,
normalizeExtraEntryPoints,
} from './utils';
const SubresourceIntegrityPlugin = require('webpack-subresource-integrity');
export function getBrowserConfig(wco: WebpackConfigOptions) {
const { buildOptions } = wco;
const extraPlugins = [];
const { isWebpack5 } = require('../../../../../webpack/entry');
let isEval = false;
const { styles: stylesOptimization, scripts: scriptsOptimization } =
buildOptions.optimization;
const {
styles: stylesSourceMap,
scripts: scriptsSourceMap,
hidden: hiddenSourceMap,
vendor: vendorSourceMap,
} = buildOptions.sourceMap;
// See https://webpack.js.org/configuration/devtool/ for sourcemap types.
if (
(stylesSourceMap || scriptsSourceMap) &&
buildOptions.evalSourceMap &&
!stylesOptimization &&
!scriptsOptimization
) {
// Produce eval sourcemaps for development with serve, which are faster.
isEval = true;
}
if (buildOptions.subresourceIntegrity) {
extraPlugins.push(
new SubresourceIntegrityPlugin({
hashFuncNames: ['sha384'],
})
);
}
if (buildOptions.extractLicenses) {
extraPlugins.push(
new LicenseWebpackPlugin({
stats: {
warnings: false,
errors: false,
},
perChunkOutput: false,
outputFilename: `3rdpartylicenses.txt`,
})
);
}
if (!isEval && (scriptsSourceMap || stylesSourceMap)) {
extraPlugins.push(
getSourceMapDevTool(
!!scriptsSourceMap,
!!stylesSourceMap,
hiddenSourceMap,
vendorSourceMap
)
);
}
const globalStylesBundleNames = normalizeExtraEntryPoints(
buildOptions.styles,
'styles'
).map((style) => style.bundleName);
return {
devtool: isEval ? 'eval' : false,
resolve: {
mainFields: [
...(wco.supportES2015 ? ['es2015'] : []),
'browser',
'module',
'main',
],
},
output: {
crossOriginLoading: buildOptions.subresourceIntegrity
? 'anonymous'
: false,
},
optimization: {
runtimeChunk: !!buildOptions.runtimeChunk ? 'single' : false,
splitChunks: {
maxAsyncRequests: Infinity,
cacheGroups: {
default: !!buildOptions.commonChunk && {
chunks: 'async',
minChunks: 2,
priority: 10,
},
common: !!buildOptions.commonChunk && {
name: 'common',
chunks: 'async',
minChunks: 2,
enforce: true,
priority: 5,
},
vendors: false,
// TODO(jack): Support both 4 and 5
vendor: !!buildOptions.vendorChunk && {
name: 'vendor',
chunks: isWebpack5 ? (chunk) => chunk.name === 'main' : 'initial',
enforce: true,
test: isWebpack5
? /[\\/]node_modules[\\/]/
: (
module: { nameForCondition?: Function },
chunks: Array<{ name: string }>
) => {
const moduleName = module.nameForCondition
? module.nameForCondition()
: '';
return (
/[\\/]node_modules[\\/]/.test(moduleName) &&
!chunks.some(
({ name }) =>
isPolyfillsEntry(name) ||
globalStylesBundleNames.includes(name)
)
);
},
},
},
},
},
plugins: extraPlugins,
node: false,
};
}