fix: do not mistake a --cwd value for the command

Author: danielroe

packages/nuxi/src/launcher.ts

@@ -11,6 +11,9 @@ import { withNodePath } from '../../nuxt-cli/src/utils/paths'
 
 constFLAG_RE=/^-/
 
+/** Launcher-level flags whose value is a separate argument, so it is not the command. */
+constVALUE_FLAGS=newSet(['--cwd'])
+
 constBACKSLASH_RE=/\\/g
 
 constlauncherDist=comparablePath(join(fileURLToPath(newURL('../',import.meta.url)),'dist'))
@@ -116,8 +119,17 @@ export function supportsCommand(main: unknown, command: string): boolean {
 returncommandinsubCommands
 }
 
-functioncommandName(rawArgs: string[]){
-returnrawArgs.find(arg=>!FLAG_RE.test(arg))
+/** The command being run, skipping the value of any flag written as `--flag value`. */
+exportfunctioncommandName(rawArgs: string[]): string|undefined{
+for(leti=0;i<rawArgs.length;i++){
+constarg=rawArgs[i]!
+if(!FLAG_RE.test(arg)){
+returnarg
+}
+if(VALUE_FLAGS.has(arg)){
+i++
+}
+}
 }
 
 /**

packages/nuxi/test/launcher.spec.ts

@@ -6,7 +6,7 @@ import { fileURLToPath } from 'node:url'
 
 import{afterEach,beforeEach,describe,expect,it}from'vitest'
 
-import{loadProjectCli,supportsCommand}from'../src/launcher'
+import{commandName,loadProjectCli,supportsCommand}from'../src/launcher'
 
 constcwd=process.cwd()
 letnodePath: string|undefined
@@ -115,6 +115,23 @@ describe('loadProjectCli', () => {
 })
 })
 
+describe('commandName',()=>{
+it('should read the first positional',()=>{
+expect(commandName(['dev','--port','3000'])).toBe('dev')
+expect(commandName(['--port=3000','dev'])).toBe('dev')
+})
+
+it('should not mistake a `--cwd` value for the command',()=>{
+expect(commandName(['--cwd','my-app','dev'])).toBe('dev')
+expect(commandName(['--cwd=my-app','dev'])).toBe('dev')
+})
+
+it('should be undefined when no command is given',()=>{
+expect(commandName(['--help'])).toBeUndefined()
+expect(commandName(['--cwd','my-app'])).toBeUndefined()
+})
+})
+
 describe('supportsCommand',()=>{
 constmain={subCommands: {dev: ()=>{},init: ()=>{}}}