@@ -127,8 +127,8 @@ module.exports = function(config) {
 						exclude: /node_modules/,
 						loader: 'babel-loader',
 						options: {
-							comments: false,
-							compact: true,
+							// comments: false,
+							// compact: true,
 							plugins: coverage ?
 								[['istanbul', {
 									exclude: [
/*eslint no-var:0, object-shorthand:0 */

var coverage = String(process.env.COVERAGE) === 'true',
	ci = String(process.env.CI).match(/^(1|true)$/gi),
	pullRequest = !String(process.env.TRAVIS_PULL_REQUEST).match(/^(0|false|undefined)$/gi),
	masterBranch = String(process.env.TRAVIS_BRANCH).match(/^master$/gi),
	sauceLabs = ci && !pullRequest && masterBranch,
	performance = !coverage && String(process.env.PERFORMANCE) !== 'false',
	webpack = require('webpack'),
	path = require('path');

var sauceLabsLaunchers = {
	sl_chrome: {
		base: 'SauceLabs',
		browserName: 'chrome',
		platform: 'Windows 10'
	},
	sl_firefox: {
		base: 'SauceLabs',
		browserName: 'firefox',
		platform: 'Windows 10'
	},
	sl_safari: {
		base: 'SauceLabs',
		browserName: 'Safari',
		version: '11',
		platform: 'OS X 10.13'
	},
	sl_edge: {
		base: 'SauceLabs',
		browserName: 'MicrosoftEdge',
		platform: 'Windows 10'
	},
	sl_ie_11: {
		base: 'SauceLabs',
		browserName: 'internet explorer',
		version: '11.0',
		platform: 'Windows 7'
	}
};

var localLaunchers = {
	ChromeNoSandboxHeadless: {
		base: 'Chrome',
		flags: [
			'--no-sandbox',
			// See https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md
			'--headless',
			'--disable-gpu',
			// Without a remote debugging port, Google Chrome exits immediately.
			'--remote-debugging-port=9333'
		]
	}
};

module.exports = function(config) {
	config.set({
		browsers: sauceLabs
			? Object.keys(sauceLabsLaunchers)
			: Object.keys(localLaunchers),

		frameworks: ['source-map-support', 'mocha', 'chai-sinon'],

		reporters: ['mocha'].concat(
			coverage ? 'coverage' : [],
			sauceLabs ? 'saucelabs' : []
		),

		coverageReporter: {
			dir: path.join(__dirname, 'coverage'),
			reporters: [
				{ type: 'text-summary' },
				{ type: 'html' },
				{ type: 'lcovonly', subdir: '.', file: 'lcov.info' }
			]
		},

		mochaReporter: {
			showDiff: true
		},

		browserLogOptions: { terminal: true },
		browserConsoleLogOptions: { terminal: true },

		browserNoActivityTimeout: 5 * 60 * 1000,

		// Use only two browsers concurrently, works better with open source Sauce Labs remote testing
		concurrency: 2,

		captureTimeout: 0,

		sauceLabs: {
			build: 'CI #' + process.env.TRAVIS_BUILD_NUMBER + ' (' + process.env.TRAVIS_BUILD_ID + ')',
			tunnelIdentifier: process.env.TRAVIS_JOB_NUMBER || ('local'+require('./package.json').version),
			connectLocationForSERelay: 'localhost',
			connectPortForSERelay: 4445,
			startConnect: false
		},

		customLaunchers: sauceLabs ? sauceLabsLaunchers : localLaunchers,

		files: [
			{ pattern: 'test/polyfills.js', watched: false },
			{ pattern: config.grep || '{debug,hooks,compat,test-utils,}/test/{browser,shared}/**.test.js', watched: false }
		],

		preprocessors: {
			'{debug,hooks,compat,test-utils,}/test/**/*': ['webpack', 'sourcemap']
		},

		webpack: {
			output: {
				filename: '[name].js'
			},
			mode: 'development',
			devtool: 'inline-source-map',
			module: {
				noParse: [
					/benchmark\.js$/
				],

				/* Transpile source and test files */
				rules: [
					{
						enforce: 'pre',
						test: /\.jsx?$/,
						exclude: /node_modules/,
						loader: 'babel-loader',
						options: {
							comments: false,
							compact: true,
							plugins: coverage ?
								[['istanbul', {
									exclude: [
										// Default config
										'coverage/**',
										'dist/**',
										'test/**',
										'test{,-*}.js',
										'**/*.test.js',
										'**/__tests__/**',
										'**/node_modules/**',
										// Our custom extension
										'{debug,hooks,compat,test-utils}/test/**/*'
									]
								}]] : []
						}
					}
				]
			},
			resolve: {
				// The React DevTools integration requires preact as a module
				// rather than referencing source files inside the module
				// directly
				alias: {
					'preact/compat': path.join(__dirname, './compat/src'),
					'preact/hooks': path.join(__dirname, './hooks/src'),
					'preact/test-utils': path.join(__dirname, './test-utils/src'),
					preact: path.join(__dirname, './src')
				}
			},
			plugins: [
				new webpack.DefinePlugin({
					coverage: coverage,
					NODE_ENV: JSON.stringify(process.env.NODE_ENV || ''),
					ENABLE_PERFORMANCE: performance,
					DISABLE_FLAKEY: !!String(process.env.FLAKEY).match(/^(0|false)$/gi)
				})
			],
			performance: {
				hints: false
			}
		},

		webpackMiddleware: {
			noInfo: true,
			stats: 'errors-only'
		}
	});
};

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