feat(medusa,framework,cli,admin-bundler): Integrate admin extensions into medusa build:plugin (medusajs#10941)

**What**
Calls the `plugin` script from `@medusajs/admin-bundler` as part of `medusa plugin:build`.

Author: kasperkristensen

Diff for: .changeset/eight-nails-act.md

@@ -0,0 +1,8 @@
+---
+"@medusajs/admin-bundler": patch
+"@medusajs/cli": patch
+"@medusajs/framework": patch
+"@medusajs/medusa": patch
+---
+
+feat(medusa,admin-bundler,cli,framework): Integrate admin extensions into plugin build

Diff for: packages/admin/admin-bundler/package.json

@@ -32,7 +32,7 @@
     "@vitejs/plugin-react": "^4.2.1",
     "autoprefixer": "^10.4.16",
     "compression": "^1.7.4",
-    "glob": "^11.0.0",
+    "glob": "^10.3.10",
     "postcss": "^8.4.32",
     "tailwindcss": "^3.3.6",
     "vite": "^5.2.11"

Diff for: packages/admin/admin-bundler/src/index.ts

@@ -1,5 +1,6 @@
 export { build } from "./lib/build"
 export { develop } from "./lib/develop"
+export { plugin } from "./lib/plugin"
 export { serve } from "./lib/serve"
 
 export * from "./types"

Diff for: packages/admin/admin-bundler/src/lib/plugin.ts

@@ -1,24 +1,37 @@
+import react from "@vitejs/plugin-react"
 import { readFileSync } from "fs"
+import { rm } from "fs/promises"
 import { glob } from "glob"
 import path from "path"
 import { UserConfig } from "vite"
 
-export async function plugin() {
+interface PluginOptions {
+  root: string
+  outDir: string
+}
+
+export async function plugin(options: PluginOptions) {
   const vite = await import("vite")
-  const entries = await glob("src/admin/**/*.{ts,tsx,js,jsx}")
+  const entries = await glob(`${options.root}/src/admin/**/*.{ts,tsx,js,jsx}`)
+
+  /**
+   * If there is no entry point, we can skip the build
+   */
+  if (entries.length === 0) {
+    return
+  }
 
   const entryPoints = entries.reduce((acc, entry) => {
-    // Convert src/admin/routes/brands/page.tsx -> admin/routes/brands/page
     const outPath = entry
       .replace(/^src\//, "")
       .replace(/\.(ts|tsx|js|jsx)$/, "")
 
-    acc[outPath] = path.resolve(process.cwd(), entry)
+    acc[outPath] = path.resolve(options.root, entry)
     return acc
   }, {} as Record<string, string>)
 
   const pkg = JSON.parse(
-    readFileSync(path.resolve(process.cwd(), "package.json"), "utf-8")
+    readFileSync(path.resolve(options.root, "package.json"), "utf-8")
   )
   const external = new Set([
     ...Object.keys(pkg.dependencies || {}),
@@ -30,14 +43,22 @@ export async function plugin() {
     "@medusajs/admin-sdk",
   ])
 
+  /**
+   * We need to ensure that the NODE_ENV is set to production,
+   * otherwise Vite will build the dev version of React.
+   */
+  const originalNodeEnv = process.env.NODE_ENV
+  process.env.NODE_ENV = "production"
+
   const pluginConfig: UserConfig = {
     build: {
       lib: {
         entry: entryPoints,
         formats: ["es"],
       },
+      emptyOutDir: false,
       minify: false,
-      outDir: path.resolve(process.cwd(), "dist"),
+      outDir: path.resolve(options.root, options.outDir),
       rollupOptions: {
         external: [...external],
         output: {
@@ -47,11 +68,34 @@ export async function plugin() {
             "react/jsx-runtime": "react/jsx-runtime",
           },
           preserveModules: true,
-          entryFileNames: `[name].js`,
+          entryFileNames: (chunkInfo) => {
+            return `${chunkInfo.name.replace(`${options.root}/`, "")}.js`
+          },
         },
       },
     },
+    plugins: [
+      react(),
+      {
+        name: "clear-admin-plugin",
+        buildStart: async () => {
+          const adminDir = path.join(options.root, options.outDir, "admin")
+          try {
+            await rm(adminDir, { recursive: true, force: true })
+          } catch (e) {
+            // Directory might not exist, ignore
+          }
+        },
+      },
+    ],
+    logLevel: "silent",
+    clearScreen: false,
   }
 
   await vite.build(pluginConfig)
+
+  /**
+   * Restore the original NODE_ENV
+   */
+  process.env.NODE_ENV = originalNodeEnv
 }

Diff for: packages/cli/medusa-cli/package.json

@@ -56,7 +56,7 @@
     "express": "^4.21.0",
     "fs-exists-cached": "^1.0.0",
     "fs-extra": "^10.0.0",
-    "glob": "^7.1.6",
+    "glob": "^10.3.10",
     "hosted-git-info": "^4.0.2",
     "inquirer": "^8.0.0",
     "is-valid-path": "^0.1.1",

Diff for: packages/core/framework/src/build-tools/compiler.ts

@@ -1,8 +1,8 @@
-import path from "path"
-import type tsStatic from "typescript"
+import type { AdminOptions, ConfigModule, Logger } from "@medusajs/types"
 import { getConfigFile } from "@medusajs/utils"
 import { access, constants, copyFile, rm } from "fs/promises"
-import type { AdminOptions, ConfigModule, Logger } from "@medusajs/types"
+import path from "path"
+import type tsStatic from "typescript"
 
 /**
  * The compiler exposes the opinionated APIs for compiling Medusa
@@ -486,4 +486,25 @@ export class Compiler {
 
     ts.createWatchProgram(host)
   }
+
+  async buildPluginAdminExtensions(bundler: {
+    plugin: (options: { root: string; outDir: string }) => Promise<void>
+  }) {
+    const tracker = this.#trackDuration()
+    this.#logger.info("Compiling plugin admin extensions...")
+
+    try {
+      await bundler.plugin({
+        root: this.#projectRoot,
+        outDir: this.#pluginsDistFolder,
+      })
+      this.#logger.info(
+        `Plugin admin extensions build completed successfully (${tracker.getSeconds()}s)`
+      )
+      return true
+    } catch (error) {
+      this.#logger.error(`Plugin admin extensions build failed`, error)
+      return false
+    }
+  }
 }

Diff for: packages/medusa/src/commands/plugin/build.ts

@@ -1,12 +1,10 @@
-import { logger } from "@medusajs/framework/logger"
+import { plugin } from "@medusajs/admin-bundler"
 import { Compiler } from "@medusajs/framework/build-tools"
-
+import { logger } from "@medusajs/framework/logger"
 export default async function build({
   directory,
-  adminOnly,
 }: {
   directory: string
-  adminOnly: boolean
 }): Promise<boolean> {
   logger.info("Starting build...")
   const compiler = new Compiler(directory, logger)
@@ -18,5 +16,8 @@ export default async function build({
   }
 
   await compiler.buildPluginBackend(tsConfig)
+  await compiler.buildPluginAdminExtensions({
+    plugin,
+  })
   return true
 }

Diff for: yarn.lock

@@ -5252,7 +5252,7 @@ __metadata:
     compression: ^1.7.4
     copyfiles: ^2.4.1
     express: ^4.21.0
-    glob: ^11.0.0
+    glob: ^10.3.10
     postcss: ^8.4.32
     tailwindcss: ^3.3.6
     tsup: ^8.0.1
@@ -5486,7 +5486,7 @@ __metadata:
     express: ^4.21.0
     fs-exists-cached: ^1.0.0
     fs-extra: ^10.0.0
-    glob: ^7.1.6
+    glob: ^10.3.10
     hosted-git-info: ^4.0.2
     inquirer: ^8.0.0
     is-valid-path: ^0.1.1