fix(init): print cd step for single-character project directories

Author: danielroe

packages/nuxt-cli/src/commands/init.ts

@@ -85,6 +85,29 @@ async function reportMissingNonInteractiveArgs<T extends ArgsDef>(
 .join(', ')}`)
 }
 
+/**
+ * Commands to print in the closing 'Next steps' box, in the order to run them.
+ *
+ * `dir` is relative to the current working directory, so `.` means the project
+ * was created in place and there is nowhere to `cd` to.
+ */
+exportfunctiongetNextSteps(options: {
+dir: string
+shell: boolean
+installFailure?: unknown
+recoveryCommands: string[]
+packageManager: PackageManagerName
+}): string[]{
+const{ dir, shell, installFailure, recoveryCommands, packageManager }=options
+construnCmd=packageManager==='deno' ? 'task' : 'run'
+return[
+!shell&&dir!=='.'&&`cd ${dir}`,
+installFailure&&`${packageManager} install`,
+ ...recoveryCommands,
+`${packageManager}${runCmd} dev`,
+].filter((step): step is string=>typeofstep==='string')
+}
+
 exportdefaultdefineCommand({
 meta: {
 name: 'init',
@@ -678,16 +701,13 @@ export default defineCommand({
 }
 
 // Display next steps
-constrelativeTemplateDir=relative(process.cwd(),template.dir)||'.'
-construnCmd=selectedPackageManager==='deno' ? 'task' : 'run'
-constnextSteps=[
-!ctx.args.shell
-&&relativeTemplateDir.length>1
-&&colors.cyan(`cd ${relativeTemplateDir}`),
-installFailure&&colors.cyan(`${selectedPackageManager} install`),
- ...recoveryCommands.map(command=>colors.cyan(command)),
-colors.cyan(`${selectedPackageManager}${runCmd} dev`),
-].filter(Boolean)
+constnextSteps=getNextSteps({
+dir: relative(process.cwd(),template.dir)||'.',
+shell: !!ctx.args.shell,
+ installFailure,
+ recoveryCommands,
+packageManager: selectedPackageManager,
+}).map(step=>colors.cyan(step))
 
 logger.message()
 writeWithGuide(output=>box(`\n${nextSteps.map(step=>` › ${step}`).join('\n')}\n`,` 👉 Next steps `,{

packages/nuxt-cli/test/unit/commands/init.spec.ts

@@ -3,7 +3,41 @@ import { tmpdir } from 'node:os'
 import{join}from'node:path'
 import{afterEach,beforeEach,describe,expect,it}from'vitest'
 
-import{detectTemplatePackageManager}from'../../../src/commands/init'
+import{detectTemplatePackageManager,getNextSteps}from'../../../src/commands/init'
+
+describe('getNextSteps',()=>{
+constbase={shell: false,recoveryCommands: []asstring[],packageManager: 'npm'asconst}
+
+it('should tell the user to change into the project directory',()=>{
+expect(getNextSteps({ ...base,dir: 'my-app'})).toEqual(['cd my-app','npm run dev'])
+})
+
+it('should tell the user to change into a single-character directory',()=>{
+expect(getNextSteps({ ...base,dir: 'a'})).toEqual(['cd a','npm run dev'])
+})
+
+it('should omit the change of directory when the project was created in place',()=>{
+expect(getNextSteps({ ...base,dir: '.'})).toEqual(['npm run dev'])
+})
+
+it('should omit the change of directory when a shell is launched',()=>{
+expect(getNextSteps({ ...base,dir: 'my-app',shell: true})).toEqual(['npm run dev'])
+})
+
+it('should ask for a retried install before recovery commands',()=>{
+expect(getNextSteps({
+ ...base,
+dir: 'my-app',
+installFailure: {error: newError('offline')},
+recoveryCommands: ['pnpm approve-builds'],
+packageManager: 'pnpm',
+})).toEqual(['cd my-app','pnpm install','pnpm approve-builds','pnpm run dev'])
+})
+
+it('should use `task` for deno',()=>{
+expect(getNextSteps({ ...base,dir: 'my-app',packageManager: 'deno'})).toEqual(['cd my-app','deno task dev'])
+})
+})
 
 describe('detectTemplatePackageManager',()=>{
 letdir: string