feat: add spec for shadcn-ui (#2019)

src/shadcn-ui.ts

@@ -0,0 +1,106 @@
+interface RegistryItem {
+  name: string;
+  dependencies: string[];
+  files: string[];
+  type: string;
+}
+
+const componentGenerator: Fig.Generator = {
+  custom: async (_tokens, executeShellCommand) => {
+    const json = await executeShellCommand(
+      `curl -sL 'https://raw.githubusercontent.com/shadcn/ui/main/apps/www/public/registry/index.json'`
+    );
+    const components = JSON.parse(json) as RegistryItem[];
+    return components.map((component) => ({
+      name: component.name,
+      description: component.type,
+      priority: 50,
+      icon: "fig://icon?type=box",
+    }));
+  },
+};
+
+const completionSpec: Fig.Spec = {
+  name: "shadcn-ui",
+  description: "Shadcn UI CLI",
+  subcommands: [
+    {
+      name: "add",
+      description: "Add a component to your project",
+      args: {
+        name: "components",
+        description: "The components to add",
+        isVariadic: true,
+        generators: componentGenerator,
+      },
+      options: [
+        {
+          name: ["-y", "--yes"],
+          description: "Skip confirmation prompt",
+        },
+        {
+          name: ["-o", "--overwrite"],
+          description: "Overwrite existing files",
+        },
+        {
+          name: ["-c", "--cwd"],
+          description:
+            "The working directory. defaults to the current directory",
+          args: {
+            name: "cwd",
+          },
+        },
+        {
+          name: ["-p", "--path"],
+          description: "The path to add the component to",
+          args: {
+            name: "path",
+          },
+        },
+      ],
+    },
+    {
+      name: "diff",
+      description: "Check for updates against the registry",
+      args: {
+        name: "component",
+        description: "The component name",
+        generators: componentGenerator,
+      },
+      options: [
+        {
+          name: ["-y", "--yes"],
+          description: "Skip confirmation prompt",
+        },
+        {
+          name: ["-c", "--cwd"],
+          description:
+            "The working directory. defaults to the current directory",
+          args: {
+            name: "cwd",
+          },
+        },
+      ],
+    },
+    {
+      name: "init",
+      description: "Initialize your project and install dependencies",
+      options: [
+        {
+          name: ["-y", "--yes"],
+          description: "Skip confirmation prompt",
+        },
+        {
+          name: ["-c", "--cwd"],
+          description:
+            "The working directory. defaults to the current directory",
+          args: {
+            name: "cwd",
+          },
+        },
+      ],
+    },
+  ],
+};
+
+export default completionSpec;