Core JS Scan (#173)

Author: AlexanderKaran

.github/workflows/measure-framework.yml

@@ -89,6 +89,9 @@ jobs:
           RUN_FREQUENCY=$(echo '${{ toJson(matrix.framework) }}' | jq -r '.measurements[] | select(.type == "build") | .runFrequency')
           pnpm --filter @framework-tracker/stats-generator run:build ${{ matrix.framework.package }} $RUN_FREQUENCY
 
+      - name: Scan build output for vendored core-js
+        run: pnpm --filter @framework-tracker/stats-generator run:corejs ${{ matrix.framework.package }}
+
       - name: Upload build stats
         uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
         with:
@@ -97,6 +100,14 @@ jobs:
           retention-days: 1
           if-no-files-found: error
 
+      - name: Upload core-js stats
+        uses: actions/upload-artifact@v4
+        with:
+          name: corejs-stats-${{ matrix.framework.name }}
+          path: packages/${{ matrix.framework.package }}/corejs-stats.json
+          retention-days: 1
+          if-no-files-found: warn
+
   measure-ssr:
     if: inputs.ssr-matrix != '[]'
     runs-on: ubuntu-latest

packages/docs/src/components/CoreJsTable.astro

@@ -0,0 +1,23 @@
+---
+import { coreJsTableData } from '../lib/collections'
+import { getFrameworkSlug } from '../lib/utils'
+import StatsTable from './StatsTable.astro'
+
+const columns = [
+  {
+    key: 'name',
+    header: 'Framework',
+    nameCell: true,
+    href: (row: Record<string, unknown>) =>
+      `/framework/${getFrameworkSlug(row.package as string)}`,
+  },
+  { key: 'bundledSize', header: '~Size' },
+  { key: 'unnecessaryModules', header: 'Unnecessary Modules' },
+]
+---
+
+<StatsTable
+  label="Core-JS polyfills by framework"
+  columns={columns}
+  data={coreJsTableData}
+/>

packages/docs/src/components/DependencyStatsTable.astro

@@ -14,8 +14,9 @@ const depsColumns = [
   { key: 'prodDependencies', header: 'Prod Deps' },
   { key: 'devDependencies', header: 'Dev Deps' },
   { key: 'duplicateDependencies', header: 'Dup. Deps' },
-  { key: 'nodeModulesSize', header: 'Size' },
-  { key: 'nodeModulesSizeProdOnly', header: 'Size (Prod Only)' },
+  { key: 'nodeModulesSize', header: 'node_modules' },
+  { key: 'nodeModulesSizeProdOnly', header: 'node_modules (prod)' },
+  { key: 'depInstallSize', header: 'Dep Install Size' },
   {
     key: 'graph',
     header: 'Graph',

packages/docs/src/content.config.ts

@@ -25,6 +25,7 @@ const devtimeCollection = defineCollection({
     nodeModulesSize: z.number(),
     nodeModulesSizeProdOnly: z.number(),
     duplicateDependencies: z.number().optional(),
+    depInstallSize: z.number().optional(),
     e18eMessages: z
       .array(
         z.object({
@@ -34,6 +35,8 @@ const devtimeCollection = defineCollection({
         }),
       )
       .optional(),
+    vendoredCoreJsSize: z.number().optional(),
+    vendoredCoreJsUnnecessaryModules: z.array(z.string()).optional(),
     timingMeasuredAt: z.string(),
     runner: z.string(),
     frameworkVersion: z.string().optional(),

packages/docs/src/content/devtime/starter-astro.json

@@ -121,5 +121,7 @@
       "severity": "warning",
       "score": 0
     }
-  ]
+  ],
+  "vendoredCoreJsSize": 0,
+  "vendoredCoreJsUnnecessaryModules": []
 }

packages/docs/src/content/devtime/starter-mastro.json

@@ -35,5 +35,7 @@
       "severity": "warning",
       "score": 0
     }
-  ]
+  ],
+  "vendoredCoreJsSize": 0,
+  "vendoredCoreJsUnnecessaryModules": []
 }