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clean-webpack-plugin.test.ts
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clean-webpack-plugin.test.ts
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import path from 'path';
import { Configuration, Stats } from 'webpack';
import { TempSandbox } from 'temp-sandbox';
import getWebpackVersion from '../dev-utils/get-webpack-version';
const webpackVersion = getWebpackVersion();
const webpackMajor =
webpackVersion !== null ? parseInt(webpackVersion.split('.')[0], 10) : null;
function webpack(options: Configuration = {}) {
const webpackActual = require('webpack');
// https://webpack.js.org/concepts/mode/
if (
options.mode === undefined &&
options.mode !== null &&
webpackMajor !== null &&
webpackMajor >= 4
) {
// eslint-disable-next-line no-param-reassign
options.mode = 'development';
}
if (options.mode === null) {
// eslint-disable-next-line no-param-reassign
delete options.mode;
}
const compiler = webpackActual(options);
const runAsync = () =>
new Promise((resolve, reject) => {
compiler.run((error: Error, stats: Stats) => {
if (error || stats.hasErrors()) {
reject(error);
return;
}
resolve(stats);
});
});
return { ...compiler, run: runAsync };
}
const CleanWebpackPlugin: any = function CleanWebpackPlugin(...args: any) {
const CleanWebpackPluginActual = require('./clean-webpack-plugin')
.CleanWebpackPlugin;
const cleanWebpackPlugin = new CleanWebpackPluginActual(...args);
return cleanWebpackPlugin;
};
const sandbox = new TempSandbox({ randomDir: true });
const entryFile = 'src/index.js';
const entryFileFull = sandbox.path.resolve(entryFile);
const outputPath = 'dist';
const outputPathFull = sandbox.path.resolve(outputPath);
const sourcePath = 'src';
function createSrcBundle(numberOfBundles = 1) {
sandbox.deleteSync(sourcePath);
let entryFileContents = `'use strict';\n\n`;
let count = 1;
while (count < numberOfBundles) {
const filename = `${count}.js`;
entryFileContents = `${entryFileContents}
require.ensure([], function(require){ require('./${filename}')}, '${count}');`;
sandbox.createFileSync(
`src/${filename}`,
// eslint-disable-next-line no-useless-concat
`'use strict';\n\n` + `module.exports = '${filename}';`,
);
count += 1;
}
sandbox.createFileSync(entryFile, entryFileContents);
}
function createStaticFiles() {
sandbox.createFileSync('dist/.hidden.file', '.hidden.file');
sandbox.createFileSync('dist/static2.txt', 'static2.txt');
sandbox.createFileSync(
'dist/static1.js',
`'use strict';\n\nmodule.exports = 'static1.js';`,
);
}
let consoleSpy: any;
const cwd = process.cwd();
beforeEach(() => {
process.chdir(sandbox.dir);
consoleSpy = jest.spyOn(console, 'warn').mockImplementation();
/**
* Prepare directories
*/
sandbox.cleanSync();
});
afterEach(() => {
process.chdir(cwd);
consoleSpy.mockReset();
});
afterAll(() => {
// delete sandbox and sandbox instance
sandbox.destroySandboxSync();
process.chdir(cwd);
});
test('correct version of webpack is being tested', () => {
const webpackRequireVersion = require('webpack/package.json').version;
expect(webpackRequireVersion).toEqual(webpackVersion);
});
test('adds files to current assets', async () => {
createSrcBundle(2);
const cleanWebpackPlugin = new CleanWebpackPlugin();
const options = {
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
};
const compiler = webpack(options);
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
});
test('removes initial files by default', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin();
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
createSrcBundle(1);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual(['bundle.js']);
});
test('removes nested files', async () => {
createSrcBundle(3);
const cleanWebpackPlugin = new CleanWebpackPlugin();
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'js/bundle.js',
chunkFilename: 'js/chunks/[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'js/bundle.js',
'js/chunks/1.bundle.js',
'js/chunks/2.bundle.js',
]);
createSrcBundle(2);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'js/bundle.js',
'js/chunks/1.bundle.js',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'js/bundle.js',
'js/chunks/1.bundle.js',
]);
});
test('removes map files', async () => {
createSrcBundle(2);
const cleanWebpackPlugin = new CleanWebpackPlugin();
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
devtool: 'cheap-module-source-map',
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'1.bundle.js.map',
'bundle.js',
'bundle.js.map',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'1.bundle.js',
'1.bundle.js.map',
'bundle.js',
'bundle.js.map',
]);
createSrcBundle(1);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'bundle.js',
'bundle.js.map',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'bundle.js',
'bundle.js.map',
]);
});
describe('cleanStaleWebpackAssets option', () => {
test('does not remove assets when false', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanStaleWebpackAssets: false,
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
createSrcBundle(1);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'1.bundle.js',
'bundle.js',
]);
});
test('removes assets when true', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanStaleWebpackAssets: true,
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
createSrcBundle(1);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual(['bundle.js']);
});
test('removes assets by default', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin();
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
createSrcBundle(1);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual(['bundle.js']);
});
});
describe('protectWebpackAssets option', () => {
test('protectWebpackAssets true will not remove webpack assets', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanAfterEveryBuildPatterns: ['bundle.js'],
protectWebpackAssets: true,
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'1.bundle.js',
'bundle.js',
]);
createSrcBundle(1);
createStaticFiles();
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'bundle.js',
'static1.js',
'static2.txt',
]);
});
test('protectWebpackAssets undefined will not remove webpack assets', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanAfterEveryBuildPatterns: ['bundle.js'],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'1.bundle.js',
'bundle.js',
]);
createSrcBundle(1);
createStaticFiles();
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'bundle.js',
'static1.js',
'static2.txt',
]);
});
test('protectWebpackAssets false will remove webpack assets', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanAfterEveryBuildPatterns: ['bundle.js'],
protectWebpackAssets: false,
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'1.bundle.js',
]);
createSrcBundle(1);
createStaticFiles();
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'static1.js',
'static2.txt',
]);
});
});
describe('cleanOnceBeforeBuildPatterns option', () => {
test('does nothing when nothing changes or files added but not removed', async () => {
createSrcBundle(1);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanOnceBeforeBuildPatterns: [],
});
const removeFilesSpy = jest.spyOn(cleanWebpackPlugin, 'removeFiles');
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'bundle.js',
'static1.js',
'static2.txt',
]);
createSrcBundle(2);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'1.bundle.js',
'bundle.js',
'static1.js',
'static2.txt',
]);
expect(removeFilesSpy).not.toHaveBeenCalled();
});
test('only calls once cleanOnceBeforeBuildPatterns once', async () => {
createSrcBundle(1);
createStaticFiles();
const initialBuildFiles = sandbox.getFileListSync(outputPathFull);
expect(initialBuildFiles).toEqual([
'.hidden.file',
'static1.js',
'static2.txt',
]);
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanOnceBeforeBuildPatterns: ['**/*'],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual(['bundle.js']);
createStaticFiles();
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'bundle.js',
'static1.js',
'static2.txt',
]);
});
test('overrides default cleanOnceBeforeBuildPatterns', async () => {
createSrcBundle(1);
createStaticFiles();
const initialBuildFiles = sandbox.getFileListSync(outputPathFull);
expect(initialBuildFiles).toEqual([
'.hidden.file',
'static1.js',
'static2.txt',
]);
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanOnceBeforeBuildPatterns: ['static2.txt'],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'bundle.js',
'static1.js',
]);
createStaticFiles();
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'bundle.js',
'static1.js',
'static2.txt',
]);
});
test('excludes files with override pattern matching', async () => {
createSrcBundle(1);
createStaticFiles();
const initialBuildFiles = sandbox.getFileListSync(outputPathFull);
expect(initialBuildFiles).toEqual([
'.hidden.file',
'static1.js',
'static2.txt',
]);
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanOnceBeforeBuildPatterns: ['**/*', '!static2.*'],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'bundle.js',
'static2.txt',
]);
createStaticFiles();
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'bundle.js',
'static1.js',
'static2.txt',
]);
});
test('handles the cleanOnceBeforeBuildPatterns outside of build directory', async () => {
createSrcBundle(1);
const outsideDistPath = 'build';
sandbox.createFileSync('build/outside-file.js', '// outside-file.js');
const initialOutsideFiles = sandbox.getFileListSync(outsideDistPath);
expect(initialOutsideFiles).toEqual(['outside-file.js']);
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanOnceBeforeBuildPatterns: [
path.join(sandbox.dir, 'build/**/*'),
],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
await compiler.run();
expect(sandbox.getFileListSync(outsideDistPath)).toEqual([]);
});
});
describe('cleanAfterEveryBuildPatterns option', () => {
test('removes with cleanAfterEveryBuildPatterns', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanAfterEveryBuildPatterns: ['static*.*', '!static1.js'],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'1.bundle.js',
'bundle.js',
]);
createSrcBundle(1);
createStaticFiles();
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'bundle.js',
'static1.js',
]);
});
test('does not remove webpack assets', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanAfterEveryBuildPatterns: ['bundle.js'],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'1.bundle.js',
'bundle.js',
]);
createSrcBundle(1);
createStaticFiles();
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'bundle.js',
'static1.js',
'static2.txt',
]);
});
test('does not remove stale webpack asset with negative pattern match', async () => {
createSrcBundle(2);
createStaticFiles();
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanAfterEveryBuildPatterns: ['!1.bundle.js'],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
expect(cleanWebpackPlugin.currentAssets).toEqual([]);
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual([
'1.bundle.js',
'bundle.js',
]);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'1.bundle.js',
'bundle.js',
]);
createSrcBundle(1);
createStaticFiles();
await compiler.run();
expect(cleanWebpackPlugin.currentAssets).toEqual(['bundle.js']);
expect(sandbox.getFileListSync(outputPathFull)).toEqual([
'.hidden.file',
'1.bundle.js',
'bundle.js',
'static1.js',
'static2.txt',
]);
});
test('handles the cleanAfterEveryBuildPatterns outside of webpack output directory', async () => {
createSrcBundle(1);
const outsideDistPath = 'build';
sandbox.createFileSync('build/outside-file.js', '// outside-file.js');
const initialOutsideFiles = sandbox.getFileListSync(outsideDistPath);
expect(initialOutsideFiles).toEqual(['outside-file.js']);
const cleanWebpackPlugin = new CleanWebpackPlugin({
cleanAfterEveryBuildPatterns: [
path.join(sandbox.dir, 'build/**/*'),
],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
await compiler.run();
expect(sandbox.getFileListSync(outsideDistPath)).toEqual([]);
});
});
describe('dangerouslyAllowCleanPatternsOutsideProject option', () => {
test('will not files outside of process.cwd(), dangerouslyAllowCleanPatternsOutsideProject: false (by default)', async () => {
process.chdir(cwd);
createSrcBundle(1);
const outsideDistPath = 'build';
sandbox.createFileSync('build/outside-file.js', '// outside-file.js');
const initialOutsideFiles = sandbox.getFileListSync(outsideDistPath);
expect(initialOutsideFiles).toEqual(['outside-file.js']);
const cleanWebpackPlugin = new CleanWebpackPlugin({
// Use cleanOnceBeforeBuildPatterns because webpack 2/3 doesn't handle errors in done lifecycle correctly
cleanOnceBeforeBuildPatterns: [
path.join(sandbox.dir, 'build/**/*'),
],
});
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
await expect(compiler.run()).rejects.toThrowErrorMatchingInlineSnapshot(
`"clean-webpack-plugin: Cannot delete files/folders outside the current working directory. Can be overridden with the \`dangerouslyAllowCleanPatternsOutsideProject\` option."`,
);
});
test('removes files outside of process.cwd() with dangerouslyAllowCleanPatternsOutsideProject: true', async () => {
process.chdir(cwd);
createSrcBundle(1);
const outsideDistPath = 'build';
sandbox.createFileSync('build/outside-file.js', '// outside-file.js');
const initialOutsideFiles = sandbox.getFileListSync(outsideDistPath);
expect(initialOutsideFiles).toEqual(['outside-file.js']);
const cleanWebpackPlugin = new CleanWebpackPlugin({
dangerouslyAllowCleanPatternsOutsideProject: true,
dry: false,
cleanAfterEveryBuildPatterns: [
path.join(sandbox.dir, 'build/**/*'),
],
});
expect(consoleSpy.mock.calls).toEqual([]);
const compiler = webpack({
entry: entryFileFull,
output: {
path: outputPathFull,
filename: 'bundle.js',
chunkFilename: '[name].bundle.js',
},
plugins: [cleanWebpackPlugin],
});
await compiler.run();