refactor(@angular-devkit/build-angular): lazy require speed-measure-webpack-plugin

Author: alan-agius4

package.json

@@ -117,6 +117,7 @@
     "@types/resolve": "^1.17.1",
     "@types/rimraf": "^3.0.0",
     "@types/semver": "^7.0.0",
+    "@types/speed-measure-webpack-plugin": "^1.3.0",
     "@types/text-table": "^0.2.1",
     "@types/universal-analytics": "^0.4.2",
     "@types/uuid": "^8.0.0",

packages/angular_devkit/build_angular/BUILD.bazel

@@ -127,6 +127,7 @@ ts_library(
         "@npm//@types/node",
         "@npm//@types/rimraf",
         "@npm//@types/semver",
+        "@npm//@types/speed-measure-webpack-plugin",
         "@npm//@types/text-table",
         "@npm//@types/webpack",
         "@npm//@types/webpack-dev-server",

packages/angular_devkit/build_angular/src/utils/webpack-browser-config.ts

@@ -30,8 +30,6 @@ import { getEsVersionForFileName } from '../webpack/utils/helpers';
 import { profilingEnabled } from './environment-options';
 import { I18nOptions, configureI18nBuild } from './i18n-options';
 
-const SpeedMeasurePlugin = require('speed-measure-webpack-plugin');
-
 export type BrowserWebpackConfigOptions = WebpackConfigOptions<NormalizedBrowserBuilderSchema>;
 
 export async function generateWebpackConfig(
@@ -109,6 +107,7 @@ export async function generateWebpackConfig(
       wco.differentialLoadingMode,
     );
 
+    const SpeedMeasurePlugin = await import('speed-measure-webpack-plugin');
     const smp = new SpeedMeasurePlugin({
       outputFormat: 'json',
       outputTarget: path.resolve(

yarn.lock

@@ -1657,6 +1657,13 @@
   resolved "https://registry.yarnpkg.com/@types/source-list-map/-/source-list-map-0.1.2.tgz#0078836063ffaf17412349bba364087e0ac02ec9"
   integrity sha512-K5K+yml8LTo9bWJI/rECfIPrGgxdpeNbj+d53lwN4QjW1MCwlkhUms+gtdzigTeUyBr09+u8BwOIY3MXvHdcsA==
 
+"@types/speed-measure-webpack-plugin@^1.3.0":
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/@types/speed-measure-webpack-plugin/-/speed-measure-webpack-plugin-1.3.0.tgz#406a4ba9c087ecbad01266a3c9b206c7bb99bc24"
+  integrity sha512-p3gUQy1dqcdg67tjrKPjvBBsaSM3y28Za7DcT3sAyztzshGuZd6uKO+TT40JsfJAkyDrdRF2szk/CNjQhOQ0Bg==
+  dependencies:
+    "@types/webpack" "*"
+
 "@types/tapable@*":
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/@types/tapable/-/tapable-1.0.6.tgz#a9ca4b70a18b270ccb2bc0aaafefd1d486b7ea74"