refactor: Disable hashing ssr-build's css (#1733)

* refactor: Disable hashing ssr-build's css

* docs: Adding changeset

* test: Fix unrelated change from altered template

Author: rschristian

.changeset/popular-zebras-yell.md

@@ -0,0 +1,5 @@
+---
+'preact-cli': patch
+---
+
+Disables hash in CSS file names for the SSR build

packages/cli/lib/lib/webpack/run-webpack.js

@@ -52,12 +52,14 @@ async function devBuild(env) {
 }
 
 async function prodBuild(env) {
+	env = { ...env, isServer: false, dev: !env.production, ssr: false };
 	let config = await clientConfig(env);
 	await transformConfig(env, config);
 
 	if (env.prerender) {
-		let ssrConfig = serverConfig(env);
-		await transformConfig(env, ssrConfig, true);
+		const serverEnv = Object.assign({}, env, { isServer: true, ssr: true });
+		let ssrConfig = serverConfig(serverEnv);
+		await transformConfig(serverEnv, ssrConfig);
 		let serverCompiler = webpack(ssrConfig);
 		await runCompiler(serverCompiler);
 	}

packages/cli/lib/lib/webpack/transform-config.js

@@ -90,7 +90,7 @@ function parseConfig(config) {
 	return transformers;
 }
 
-module.exports = async function (env, webpackConfig, isServer = false) {
+module.exports = async function (env, webpackConfig) {
 	const { configFile, isDefault } =
 		env.config !== 'preact.config.js'
 			? { configFile: env.config, isDefault: false }
@@ -122,16 +122,7 @@ module.exports = async function (env, webpackConfig, isServer = false) {
 	const helpers = new WebpackConfigHelpers(env.cwd);
 	for (let [transformer, options] of transformers) {
 		try {
-			await transformer(
-				webpackConfig,
-				Object.assign({}, env, {
-					isServer,
-					dev: !env.production,
-					ssr: isServer,
-				}),
-				helpers,
-				options
-			);
+			await transformer(webpackConfig, env, helpers, options);
 		} catch (err) {
 			throw new Error((`Error at ${cliConfig}: \n` + err && err.stack) || err);
 		}

packages/cli/lib/lib/webpack/webpack-base-config.js

@@ -290,7 +290,8 @@ module.exports = function createBaseConfig(env) {
 			// Fix for https://github.com/webpack-contrib/mini-css-extract-plugin/issues/151
 			new RemoveEmptyScriptsPlugin(),
 			new MiniCssExtractPlugin({
-				filename: isProd ? '[name].[contenthash:5].css' : '[name].css',
+				filename:
+					isProd && !env.isServer ? '[name].[contenthash:5].css' : '[name].css',
 				chunkFilename: isProd
 					? '[name].chunk.[contenthash:5].css'
 					: '[name].chunk.css',

packages/cli/lib/lib/webpack/webpack-server-config.js

@@ -14,7 +14,6 @@ function serverConfig(env) {
 			publicPath: '/',
 			filename: 'ssr-bundle.js',
 			path: resolve(env.dest, 'ssr-build'),
-			chunkFilename: '[name].chunk.[chunkhash:5].js',
 			libraryTarget: 'commonjs2',
 		},
 		externals: {

packages/cli/tests/images/build.js

@@ -7,18 +7,18 @@ exports.default = {
 	'assets/icons/mstile-150x150.png': 9050,
 	'assets/favicon.ico': 15086,
 
-	'ssr-build/ssr-bundle.c9123.css': 1281,
-	'ssr-build/ssr-bundle.c9123.css.map': 2070,
+	'ssr-build/ssr-bundle.css': 1281,
+	'ssr-build/ssr-bundle.css.map': 2070,
 	'ssr-build/ssr-bundle.js': 9801,
 	'ssr-build/ssr-bundle.js.map': 30625,
-	'ssr-build/asset-manifest.json': 82,
+	'ssr-build/asset-manifest.json': 76,
 
-	'bundle.3c823.js': 21323,
-	'bundle.3c823.js.map': 85534,
-	'bundle.3c823.legacy.js': 22514,
-	'bundle.3c823.legacy.js.map': 106422,
-	'bundle.a2557.css': 945,
-	'bundle.a2557.css.map': 1758,
+	'bundle.620ee.js': 21323,
+	'bundle.620ee.js.map': 85534,
+	'bundle.620ee.legacy.js': 22514,
+	'bundle.620ee.legacy.js.map': 106422,
+	'bundle.354c3.css': 945,
+	'bundle.354c3.css.map': 1758,
 
 	'dom-polyfills.c88f4.legacy.js': 5252,
 	'dom-polyfills.c88f4.legacy.js.map': 18836,
@@ -31,17 +31,17 @@ exports.default = {
 	'push-manifest.json': 450,
 	'asset-manifest.json': 943,
 
-	'route-home.chunk.a00bd.js': 339,
-	'route-home.chunk.a00bd.js.map': 1811,
-	'route-home.chunk.a00bd.legacy.js': 394,
-	'route-home.chunk.a00bd.legacy.js.map': 2102,
+	'route-home.chunk.4ad71.js': 339,
+	'route-home.chunk.4ad71.js.map': 1811,
+	'route-home.chunk.4ad71.legacy.js': 394,
+	'route-home.chunk.4ad71.legacy.js.map': 2102,
 	'route-home.chunk.6eaee.css': 112,
 	'route-home.chunk.6eaee.css.map': 224,
 
-	'route-profile.chunk.05dd0.js': 2545,
-	'route-profile.chunk.05dd0.js.map': 10268,
-	'route-profile.chunk.05dd0.legacy.js': 2698,
-	'route-profile.chunk.05dd0.legacy.js.map': 12894,
+	'route-profile.chunk.6a61d.js': 2545,
+	'route-profile.chunk.6a61d.js.map': 10268,
+	'route-profile.chunk.6a61d.legacy.js': 2698,
+	'route-profile.chunk.6a61d.legacy.js.map': 12894,
 	'route-profile.chunk.0af3e.css': 118,
 	'route-profile.chunk.0af3e.css.map': 231,
 };

packages/create-cli/tests/images/create.js

@@ -11,7 +11,6 @@ exports.default = [
 	'src/assets/icons/favicon-16x16.png',
 	'src/assets/icons/favicon-32x32.png',
 	'src/assets/icons/mstile-150x150.png',
-	'src/components/app.js',
 	'src/components/header/index.js',
 	'src/components/header/style.module.css',
 	'src/index.js',