feat: skip already handled modules by @nuxt/ui

packages/nuxi/src/commands/init.ts

@@ -33,6 +33,43 @@ const pms: Record<PackageManagerName, undefined> = {
 // this is for type safety to prompt updating code in nuxi when nypm adds a new package manager
 const packageManagerOptions = Object.keys(pms) as PackageManagerName[]
 
+async function getModuleDependencies(moduleName: string) {
+  try {
+    const response = await $fetch(`https://registry.npmjs.org/${moduleName}/latest`)
+    const dependencies = response.dependencies || {}
+    return Object.keys(dependencies)
+  }
+  catch (err) {
+    logger.warn(`Could not get dependencies for ${moduleName}: ${err}`)
+    return []
+  }
+}
+
+function filterModules(modules: string[], allDependencies: Record<string, string[]>) {
+  const result = {
+    toInstall: [] as string[],
+    skipped: [] as string[],
+  }
+
+  for (const module of modules) {
+    const isDependency = modules.some((otherModule) => {
+      if (otherModule === module)
+        return false
+      const deps = allDependencies[otherModule] || []
+      return deps.includes(module)
+    })
+
+    if (isDependency) {
+      result.skipped.push(module)
+    }
+    else {
+      result.toInstall.push(module)
+    }
+  }
+
+  return result
+}
+
 export default defineCommand({
   meta: {
     name: 'init',
@@ -283,8 +320,20 @@ export default defineCommand({
         process.exit(1)
       }
 
-      if (selectedOfficialModules.length > 0) {
-        modulesToAdd.push(...(selectedOfficialModules as unknown as string[]))
+      if (selectedOfficialModules.length) {
+        const modules = selectedOfficialModules as unknown as string[]
+
+        const allDependencies: Record<string, string[]> = {}
+        for (const module of modules) {
+          allDependencies[module] = await getModuleDependencies(module)
+        }
+
+        const { toInstall, skipped } = filterModules(modules, allDependencies)
+
+        if (skipped.length) {
+          logger.info(`The following modules are already included as dependencies and will not be installed: ${skipped.join(', ')}`)
+        }
+        modulesToAdd.push(...toInstall)
       }
     }