feat: add easy-slides CLI

scripts/lib/theme.ts

@@ -0,0 +1,17 @@
+import { existsSync } from 'node:fs'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+const directory = path.dirname(fileURLToPath(import.meta.url))
+const bundledTheme = path.resolve(directory, '..', 'theme')
+const workspaceTheme = path.resolve(directory, '..', '..', 'packages', 'slidev-theme-easy-jyy')
+
+export function resolveTheme(theme?: string) {
+  if (theme)
+    return theme
+  if (existsSync(path.join(bundledTheme, 'package.json')))
+    return bundledTheme
+  if (existsSync(path.join(workspaceTheme, 'package.json')))
+    return workspaceTheme
+  throw new Error('easy-slides 主题不存在；请重新安装或构建 @easy-slides/cli')
+}