Trailing slash in generated Angular library directory produces invalid selector

[miluoshi]

Current Behavior

Directory path with trailing / character is valid path, but it causes @nrwl/angular:library generator to throw error:

Selector (workspace-libs--some-lib) is invalid.

Expected Behavior

Trailing slash should be trimmed before converting non-alphabetical characters to selector name to prevent double -- in selector name.

I'm not aware if this used to work before.

Steps to Reproduce

1. run yarn nx generate @nrwl/angular:library --name=some-lib --directory=libs/ --no-interactive --dry-run
2. generator throws error Selector (workspace-libs--some-lib) is invalid.

Environment

Click to expand

Node : 16.13.2
   OS   : darwin x64
   yarn : 1.22.17
   
   nx : 13.8.1
   @nrwl/angular : 13.8.1
   @nrwl/cli : 13.8.1
   @nrwl/cypress : 13.8.1
   @nrwl/detox : undefined
   @nrwl/devkit : 13.8.1
   @nrwl/eslint-plugin-nx : 13.8.1
   @nrwl/express : undefined
   @nrwl/jest : 13.8.1
   @nrwl/js : 13.8.1
   @nrwl/linter : 13.8.1
   @nrwl/nest : undefined
   @nrwl/next : undefined
   @nrwl/node : undefined
   @nrwl/nx-cloud : 13.1.4
   @nrwl/react : 13.8.1
   @nrwl/react-native : undefined
   @nrwl/schematics : undefined
   @nrwl/storybook : 13.8.1
   @nrwl/tao : 13.8.1
   @nrwl/web : 13.8.1
   @nrwl/workspace : 13.8.1
   typescript : 4.5.5
   rxjs : 7.5.4
   ---------------------------------------
   Community plugins:
         @angular/animations: 13.2.2
         @angular/cdk: 13.1.2
         @angular/common: 13.2.2
         @angular/core: 13.2.2
         @angular/elements: 13.2.2
         @angular/forms: 13.2.2
         @angular/material: 13.1.2
         @angular/material-moment-adapter: 13.1.2
         @angular/platform-browser: 13.2.2
         @angular/platform-browser-dynamic: 13.2.2
         @angular/router: 13.2.2
         @ngrx/component-store: 13.0.2
         @ngrx/effects: 13.0.2
         @ngrx/entity: 13.0.2
         @ngrx/schematics: 13.0.2
         @ngrx/store: 13.0.2
         @nx-tools/nx-docker: 1.0.5
         @angular-devkit/build-angular: 13.2.3
         @angular/cli: 13.2.3
         @angular/compiler: 13.2.2
         @angular/compiler-cli: 13.2.2
         @angular/language-service: 13.2.2
         @storybook/angular: 6.4.18

[github-actions]

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