mirror of https://github.com/facebook/jest.git
48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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/**
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* Watch files for changes and rebuild (copy from 'src/' to `build/`) if changed
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*/
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import chalk from 'chalk';
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import webpack from 'webpack';
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import {createWebpackConfigs} from './buildUtils.mjs';
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const compiler = webpack(createWebpackConfigs());
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let hasBuilt = false;
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console.log(chalk.inverse(' Bundling packages '));
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compiler.watch({}, (error, stats) => {
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if (!hasBuilt) {
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hasBuilt = true;
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console.log(chalk.red('->'), chalk.cyan('Watching for changes…'));
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}
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if (error) {
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console.error('Got error from watch mode', error);
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}
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if (stats) {
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const info = stats.toJson();
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if (stats.hasErrors() || stats.hasWarnings()) {
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for (const error of info.errors) {
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console.error('error', error.message);
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}
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for (const warning of info.warnings) {
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console.warn('warning', warning.message);
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}
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} else {
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console.log(chalk.red('->'), chalk.green('Rebuilt packages'));
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}
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}
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});
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