feature: implement shadcn-ui autocomplete

src/shadcn-ui.ts

@@ -0,0 +1,104 @@
+const completionSpec: Fig.Spec = {
+  name: "shadcn-ui",
+  description: "Add shadcn-ui components to your project",
+  subcommands: [
+    {
+      name: "init",
+      description: "Configure your Next.js project",
+      options: [
+        {
+          name: ["--yes", "-y"],
+          description: "Skip confirmation prompt",
+        },
+        {
+          name: ["--help", "-h"],
+          description: "Display help for command",
+        },
+      ],
+    },
+    {
+      name: "add",
+      description: "Add components to your project",
+      args: {
+        name: "component",
+        description: "Names of components",
+        isVariadic: true,
+        generators: {
+          script: "curl -s https://ui.shadcn.com/api/components",
+          postProcess(out) {
+            const registry = JSON.parse(out);
+            if (!registry) {
+              return [];
+            }
+
+            if (!Array.isArray(registry)) {
+              return [];
+            }
+
+            if (
+              registry.some((component) => typeof component.name !== "string")
+            ) {
+              return [];
+            }
+
+            return registry.map((component: { name: string }) => {
+              const suggestion: Fig.Suggestion = {
+                name: component.name,
+              };
+
+              return suggestion;
+            });
+          },
+        },
+      },
+      options: [
+        {
+          name: ["--yes", "-y"],
+          description: "Skip confirmation prompt",
+        },
+        {
+          name: ["--overwrite", "-o"],
+          description: "Overwrite existing files",
+        },
+        {
+          name: ["--cwd", "-c"],
+          description:
+            "The working directory. defaults to the current directory",
+        },
+        {
+          name: ["--path", "-p"],
+          description: "The path to add the component to",
+        },
+        {
+          name: ["--help", "-h"],
+          description: "Display help for command",
+        },
+      ],
+    },
+    {
+      name: "help",
+      description: "Display help for command",
+      subcommands: [
+        {
+          name: "my_nested_subcommand",
+          description:
+            "Nested subcommand, example usage: 'shadcn-ui my_subcommand my_nested_subcommand'",
+        },
+      ],
+    },
+  ],
+  options: [
+    {
+      name: ["--version", "-v"],
+      description: "Display the version number",
+    },
+    {
+      name: ["--help", "-h"],
+      description: "Display help for command",
+    },
+  ],
+  // Only uncomment if shadcn-ui takes an argument
+  // args: {}
+};
+
+export default completionSpec;