[build] Up compression quality (elastic#127064)

* [build] Up compression quality * update snapshot
azasypkin · Jun 30, 2023 · 81feb23 · 81feb23
1 parent 2a0d32b
commit 81feb23
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Showing 5 changed files with 19 additions and 7 deletions.
diff --git a/packages/kbn-babel-preset/node_preset.js b/packages/kbn-babel-preset/node_preset.js
@@ -31,7 +31,7 @@ module.exports = (_, options = {}) => {
           // Because of that we should use for that value the same version we install
           // in the package.json in order to have the same polyfills between the environment
           // and the tests
-          corejs: '3.2.1',
+          corejs: '3.21.1',
           bugfixes: true,
 
           ...(options['@babel/preset-env'] || {}),

diff --git a/packages/kbn-babel-preset/webpack_preset.js b/packages/kbn-babel-preset/webpack_preset.js
@@ -18,7 +18,7 @@ module.exports = () => {
           modules: false,
           // Please read the explanation for this
           // in node_preset.js
-          corejs: '3.2.1',
+          corejs: '3.21.1',
           bugfixes: true,
         },
       ],

diff --git a/packages/kbn-optimizer/src/integration_tests/__snapshots__/basic_optimization.test.ts.snap b/packages/kbn-optimizer/src/integration_tests/__snapshots__/basic_optimization.test.ts.snap
diff --git a/packages/kbn-optimizer/src/worker/webpack.config.ts b/packages/kbn-optimizer/src/worker/webpack.config.ts
@@ -255,6 +255,9 @@ export function getWebpackConfig(bundle: Bundle, bundleRefs: BundleRefs, worker:
         filename: '[path].br',
         test: /\.(js|css)$/,
         cache: false,
+        compressionOptions: {
+          level: 11,
+        },
       }),
       new CompressionPlugin({
         algorithm: 'gzip',
@@ -272,7 +275,7 @@ export function getWebpackConfig(bundle: Bundle, bundleRefs: BundleRefs, worker:
           extractComments: false,
           parallel: false,
           terserOptions: {
-            compress: true,
+            compress: { passes: 2 },
             keep_classnames: true,
             mangle: true,
           },

diff --git a/src/dev/build/tasks/generate_packages_optimized_assets.ts b/src/dev/build/tasks/generate_packages_optimized_assets.ts
@@ -24,6 +24,7 @@ import terser from 'terser';
 import vfs from 'vinyl-fs';
 import globby from 'globby';
 import del from 'del';
+import zlib from 'zlib';
 
 import { Task, write } from '../lib';
 
@@ -55,21 +56,29 @@ async function optimizeAssets(log: ToolingLog, assetDir: string) {
     log.debug('Minify JS');
     await asyncPipeline(
       vfs.src(['**/*.js'], { cwd: assetDir }),
-      gulpTerser({ compress: true, mangle: true }, terser.minify),
+      gulpTerser({ compress: { passes: 2 }, mangle: true }, terser.minify),
       vfs.dest(assetDir)
     );
 
     log.debug('Brotli compress');
     await asyncPipeline(
       vfs.src(['**/*.{js,css}'], { cwd: assetDir }),
-      gulpBrotli(),
+      gulpBrotli({
+        params: {
+          [zlib.constants.BROTLI_PARAM_QUALITY]: zlib.constants.BROTLI_MAX_QUALITY,
+        },
+      }),
       vfs.dest(assetDir)
     );
 
     log.debug('GZip compress');
     await asyncPipeline(
       vfs.src(['**/*.{js,css}'], { cwd: assetDir }),
-      gulpGzip(),
+      gulpGzip({
+        gzipOptions: {
+          level: 9,
+        },
+      }),
       vfs.dest(assetDir)
     );
   } finally {