From a020f1d93382896f546c843d04b4fc0f549887e1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leosvel=20P=C3=A9rez=20Espinosa?=
 <leosvel.perez.espinosa@gmail.com>
Date: Wed, 20 Sep 2023 15:07:47 +0200
Subject: [PATCH] feat(misc): do not prompt for project name and root format
 when they produce the same result (#19221)

---
 .../project-name-and-root-utils.spec.ts       | 27 +++++++++++++++++++
 .../generators/project-name-and-root-utils.ts |  4 +++
 2 files changed, 31 insertions(+)

diff --git a/packages/devkit/src/generators/project-name-and-root-utils.spec.ts b/packages/devkit/src/generators/project-name-and-root-utils.spec.ts
index 793d76b00159e..fe31b01319092 100644
--- a/packages/devkit/src/generators/project-name-and-root-utils.spec.ts
+++ b/packages/devkit/src/generators/project-name-and-root-utils.spec.ts
@@ -394,6 +394,33 @@ describe('determineProjectNameAndRootOptions', () => {
       // restore original interactive mode
       restoreOriginalInteractiveMode();
     });
+
+    it('should not prompt when the resulting name and root are the same for both formats', async () => {
+      // simulate interactive mode
+      ensureInteractiveMode();
+      const promptSpy = jest.spyOn(enquirer, 'prompt');
+
+      const result = await determineProjectNameAndRootOptions(tree, {
+        name: 'libName',
+        projectType: 'library',
+        callingGenerator: '',
+      });
+
+      expect(promptSpy).not.toHaveBeenCalled();
+      expect(result).toEqual({
+        projectName: 'lib-name',
+        names: {
+          projectSimpleName: 'lib-name',
+          projectFileName: 'lib-name',
+        },
+        importPath: '@proj/lib-name',
+        projectRoot: 'lib-name',
+        projectNameAndRootFormat: 'as-provided',
+      });
+
+      // restore original interactive mode
+      restoreOriginalInteractiveMode();
+    });
   });
 
   describe('with layout', () => {
diff --git a/packages/devkit/src/generators/project-name-and-root-utils.ts b/packages/devkit/src/generators/project-name-and-root-utils.ts
index a177f57dbe59e..d9639be3efe56 100644
--- a/packages/devkit/src/generators/project-name-and-root-utils.ts
+++ b/packages/devkit/src/generators/project-name-and-root-utils.ts
@@ -155,6 +155,10 @@ async function determineFormat(
     Root: ${formats['derived'].projectRoot}`;
   const derivedSelectedValue = `${formats['derived'].projectName} @ ${formats['derived'].projectRoot}`;
 
+  if (asProvidedSelectedValue === derivedSelectedValue) {
+    return 'as-provided';
+  }
+
   const result = await prompt<{ format: ProjectNameAndRootFormat }>({
     type: 'select',
     name: 'format',