From 3c39c311f8c6f3826bf5cba5fd02a2ab317cb1cb Mon Sep 17 00:00:00 2001
From: Colum Ferry <cferry09@gmail.com>
Date: Tue, 15 Mar 2022 09:38:32 +0000
Subject: [PATCH] fix(angular): strip trailing slash from directory #9263
 (#9314)

---
 .../src/generators/library/lib/normalize-options.ts        | 2 +-
 packages/angular/src/generators/library/library.spec.ts    | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/angular/src/generators/library/lib/normalize-options.ts b/packages/angular/src/generators/library/lib/normalize-options.ts
index cbb5db8792346..d498f87696781 100644
--- a/packages/angular/src/generators/library/lib/normalize-options.ts
+++ b/packages/angular/src/generators/library/lib/normalize-options.ts
@@ -34,7 +34,7 @@ export function normalizeOptions(
 
   const name = names(options.name).fileName;
   const projectDirectory = options.directory
-    ? `${names(options.directory).fileName}/${name}`
+    ? `${names(options.directory).fileName}/${name}`.replace(/\/+/g, '/')
     : name;
 
   const { libsDir, npmScope, standaloneAsDefault } = getWorkspaceLayout(host);
diff --git a/packages/angular/src/generators/library/library.spec.ts b/packages/angular/src/generators/library/library.spec.ts
index 2e08cd3088d20..e0ef3e38f6837 100644
--- a/packages/angular/src/generators/library/library.spec.ts
+++ b/packages/angular/src/generators/library/library.spec.ts
@@ -46,6 +46,13 @@ describe('lib', () => {
       tree = createTreeWithEmptyWorkspace(2);
     });
 
+    it('should run the library generator without erroring if the directory has a trailing slash', async () => {
+      // ACT & ASSERT
+      await expect(
+        runLibraryGeneratorWithOpts({ directory: 'mylib/shared/' })
+      ).resolves.not.toThrow();
+    });
+
     it('should default to standalone project for first project', async () => {
       await runLibraryGeneratorWithOpts();
       const workspaceJsonEntry = readJson(tree, 'workspace.json').projects[