get-script-files-for-chunks.ts
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/*
Copyright 2019 Google LLC
Use of this source code is governed by an MIT-style
license that can be found in the LICENSE file or at
https://opensource.org/licenses/MIT.
*/
import upath from 'upath';
import {Compilation, WebpackError} from 'webpack';
import {resolveWebpackURL} from './resolve-webpack-url';
export function getScriptFilesForChunks(
compilation: Compilation,
chunkNames: Array<string>,
): Array<string> {
const {chunks} = compilation.getStats().toJson({chunks: true});
const {publicPath} = compilation.options.output;
const scriptFiles = new Set<string>();
for (const chunkName of chunkNames) {
const chunk = chunks!.find((chunk) => chunk.names?.includes(chunkName));
if (chunk) {
for (const file of chunk?.files ?? []) {
// See https://github.com/GoogleChrome/workbox/issues/2161
if (upath.extname(file) === '.js') {
scriptFiles.add(resolveWebpackURL(publicPath as string, file));
}
}
} else {
compilation.warnings.push(
new Error(
`${chunkName} was provided to ` +
`importScriptsViaChunks, but didn't match any named chunks.`,
) as WebpackError,
);
}
}
if (scriptFiles.size === 0) {
compilation.warnings.push(
new Error(
`There were no assets matching ` +
`importScriptsViaChunks: [${chunkNames.join(' ')}].`,
) as WebpackError,
);
}
return Array.from(scriptFiles);
}