feat: 🎸 add ability to introspect methods

Author: streamich

src/methods.ts

@@ -37,5 +37,33 @@ export const defineBuiltinRoutes = <Routes extends ObjectType<any>>(r: ObjectVal
         };
       },
     ),
+
+    r(
+      '.methods',
+      t.Function(t.undef, t.Array(t.str)).options({
+        title: 'List all CLI methods',
+        description: 'Returns a list of all methods available in this CLI.',
+      }),
+      async (request, ctx) => {
+        const list = (ctx as CliContext).cli.router.keys();
+        return list;
+      },
+    ),
+
+    r(
+      '.method',
+      t.Function(t.Object(
+        t.prop('name', t.str)
+      ), t.any).options({
+        title: 'Show method information',
+        description: 'Returns JSON Type schema of the method.',
+      }),
+      async (request, ctx) => {
+        const name = request.name;
+        const method = (ctx as CliContext).cli.router.get(name);
+        if (!method) throw new Error(`Unknown method "${name}"`);
+        return method.type.getSchema();
+      },
+    ),
   ]);
 };

src/params/CliParamHelp.ts

@@ -41,6 +41,8 @@ Usage:
     ${cmd} <method> '<json>'
     ${cmd} <method> --<type><pointer>=<value>
     echo '<json>' | ${cmd} <method>
+    ${cmd} .methods
+    ${cmd} .method --s/name=<method>
 
 Examples: