fix: #29 remove versions from yarn create commands (#30)

Co-authored-by: [email protected] <[email protected]>
Co-authored-by: HiDeoo <[email protected]>

.changeset/silent-rings-guess.md

@@ -0,0 +1,5 @@
+---
+'starlight-package-managers': patch
+---
+
+Strips version from package names for the [`create`](https://starlight-package-managers.vercel.app/usage/#create) command type for the `yarn` package manager which [does not support](https://github.com/yarnpkg/yarn/issues/6587) versioned package names for this command type.

packages/starlight-package-managers/pkg.ts

@@ -90,7 +90,12 @@ export function getCommand(
   }
 
   if (pkg) {
-    command += ` ${pkg}`
+    /**
+     * Strip `@version` from package name for yarn create commands.
+     * @see https://github.com/yarnpkg/yarn/issues/6587
+     */
+    const processedPkg = type === 'create' && pkgManager === 'yarn' ? pkg.replace(/@[^\s]+/, '') : pkg
+    command += ` ${processedPkg}`
   }
 
   if (options.args && options.args.length > 0) {

packages/starlight-package-managers/tests/unit/commands.test.ts

@@ -44,11 +44,21 @@ describe('add', () => {
 
 describe('create', () => {
   test("should generate the 'create' command for supported package managers", () => {
+    expect(getCommands('create', 'astro', {})).toEqual(['npm create astro', 'yarn create astro', 'pnpm create astro'])
+  })
+
+  test("should strip versions for the  'create' command with yarn", () => {
     expect(getCommands('create', 'astro@latest', {})).toEqual([
       'npm create astro@latest',
-      'yarn create astro@latest',
+      'yarn create astro',
       'pnpm create astro@latest',
     ])
+
+    expect(getCommands('create', '[email protected]', {})).toEqual([
+      'npm create [email protected]',
+      'yarn create astro',
+      'pnpm create [email protected]',
+    ])
   })
 
   test("should generate the 'create' command with additional arguments", () => {