[7.x] [kbn/ui-shared-deps] track asset sizes (#78718) (#78899)

Co-authored-by: spalger <[email protected]> Co-authored-by: Elastic Machine <[email protected]> Co-authored-by: spalger <[email protected]> Co-authored-by: Elastic Machine <[email protected]>
elastic · Sep 30, 2020 · a5692c1 · a5692c1
1 parent b7259e6
commit a5692c1
Showing 1 changed file with 37 additions and 8 deletions.
diff --git a/packages/kbn-ui-shared-deps/scripts/build.js b/packages/kbn-ui-shared-deps/scripts/build.js
@@ -18,18 +18,21 @@
  */
 
 const Path = require('path');
+const Fs = require('fs');
 
-const { run, createFailError } = require('@kbn/dev-utils');
+const { run, createFailError, CiStatsReporter } = require('@kbn/dev-utils');
 const webpack = require('webpack');
 const Stats = require('webpack/lib/Stats');
 const del = require('del');
 
 const { getWebpackConfig } = require('../webpack.config');
 
+const DIST_DIR = Path.resolve(__dirname, '../target');
+
 run(
   async ({ log, flags }) => {
     log.info('cleaning previous build output');
-    await del(Path.resolve(__dirname, '../target'));
+    await del(DIST_DIR);
 
     const compiler = webpack(
       getWebpackConfig({
@@ -38,10 +41,38 @@ run(
     );
 
     /** @param {webpack.Stats} stats */
-    const onCompilationComplete = (stats) => {
+    const onCompilationComplete = async (stats) => {
       const took = Math.round((stats.endTime - stats.startTime) / 1000);
 
       if (!stats.hasErrors() && !stats.hasWarnings()) {
+        if (!flags.dev) {
+          const reporter = CiStatsReporter.fromEnv(log);
+
+          const metrics = [
+            {
+              group: '@kbn/ui-shared-deps asset size',
+              id: 'kbn-ui-shared-deps.js',
+              value: Fs.statSync(Path.resolve(DIST_DIR, 'kbn-ui-shared-deps.js')).size,
+            },
+            {
+              group: '@kbn/ui-shared-deps asset size',
+              id: '[email protected]',
+              value: Fs.statSync(Path.resolve(DIST_DIR, '[email protected]')).size,
+            },
+            {
+              group: '@kbn/ui-shared-deps asset size',
+              id: 'css',
+              value:
+                Fs.statSync(Path.resolve(DIST_DIR, 'kbn-ui-shared-deps.css')).size +
+                Fs.statSync(Path.resolve(DIST_DIR, 'kbn-ui-shared-deps.v7.light.css')).size,
+            },
+          ];
+
+          log.debug('metrics:', metrics);
+
+          await reporter.metrics(metrics);
+        }
+
         log.success(`webpack completed in about ${took} seconds`);
         return;
       }
@@ -56,11 +87,9 @@ run(
 
     if (flags.watch) {
       compiler.hooks.done.tap('report on stats', (stats) => {
-        try {
-          onCompilationComplete(stats);
-        } catch (error) {
+        onCompilationComplete(stats).catch((error) => {
           log.error(error.message);
-        }
+        });
       });
 
       compiler.hooks.watchRun.tap('report on start', () => {
@@ -83,7 +112,7 @@ run(
       return;
     }
 
-    onCompilationComplete(
+    await onCompilationComplete(
       await new Promise((resolve, reject) => {
         compiler.run((error, stats) => {
           if (error) {