feat: add --analyze flag

webpack · Oct 3, 2020 · e1c942b · e1c942b
1 parent 55d0bd8
commit e1c942b
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Showing 3 changed files with 35 additions and 1 deletion.
diff --git a/packages/webpack-cli/lib/groups/AdvancedGroup.js b/packages/webpack-cli/lib/groups/AdvancedGroup.js
@@ -1,3 +1,6 @@
+const { packageExists, promptInstallation } = require('@webpack-cli/package-utils');
+const { yellow } = require('colorette');
+const { error } = require('../utils/logger');
 const GroupHelper = require('../utils/GroupHelper');
 
 class AdvancedGroup extends GroupHelper {
@@ -31,9 +34,26 @@ class AdvancedGroup extends GroupHelper {
         if (args.target) {
             options.target = args.target;
         }
+        if (args.analyze) {
+            if (packageExists('webpack-bundle-analyzer')) {
+                const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
+                const bundleAnalyzerVal = new BundleAnalyzerPlugin();
+                if (options && options.plugins) {
+                    options.plugins.unshift(bundleAnalyzerVal);
+                } else {
+                    options.plugins = [bundleAnalyzerVal];
+                }
+            } else {
+                //prompt installation
+                promptInstallation('webpack-bundle-analyzer', () => {
+                    error(`It looks like ${yellow('webpack-bundle-analyzer')} is not installed.`);
+                });
+            }
+        }
     }
     run() {
         this.resolveOptions();
+        console.log(this.opts);
         return this.opts;
     }
 }

diff --git a/packages/webpack-cli/lib/utils/cli-flags.js b/packages/webpack-cli/lib/utils/cli-flags.js
@@ -222,6 +222,14 @@ const core = [
         multiple: true,
         description: 'Name of the configuration to use',
     },
+    {
+        name: 'analyze',
+        usage: '--analyze',
+        type: Boolean,
+        multiple: false,
+        group: ADVANCED_GROUP,
+        description: 'Name of the configuration to use',
+    },
     /* 		{
         name: "analyze",
         type: Boolean,

diff --git a/packages/webpack-cli/package.json b/packages/webpack-cli/package.json
@@ -23,9 +23,9 @@
     "web"
   ],
   "dependencies": {
-    "@webpack-cli/package-utils": "^1.0.1-rc.0",
     "@webpack-cli/info": "^1.0.1-rc.0",
     "@webpack-cli/init": "^1.0.1-rc.0",
+    "@webpack-cli/package-utils": "^1.0.1-rc.0",
     "@webpack-cli/serve": "^1.0.1-rc.0",
     "ansi-escapes": "^4.3.1",
     "colorette": "^1.2.1",
@@ -37,10 +37,16 @@
     "interpret": "^2.0.0",
     "rechoir": "^0.7.0",
     "v8-compile-cache": "^2.1.0",
+    "webpack-bundle-analyzer": "^3.9.0",
     "webpack-merge": "^4.2.2"
   },
   "peerDependencies": {
     "webpack": "4.x.x || 5.x.x"
   },
+  "peerDependenciesMeta": {
+    "webpack-bundle-analyzer": {
+      "optional": true
+    }
+  },
   "gitHead": "fb50f766851f500ca12867a2aa9de81fa6e368f9"
 }