refactor: js output

src/cli/CLI.js

@@ -0,0 +1,49 @@
+// CLI dispatcher — recursively walks CLICommand tree and wires up yargs
+import yargs from "yargs";
+import { hideBin } from "yargs/helpers";
+export class CLI {
+    prog;
+    description;
+    constructor(opts) {
+        this.prog = opts.prog;
+        this.description = opts.description;
+    }
+    registerCommand(y, CommandClass) {
+        const cmd = new CommandClass();
+        const subcommands = CommandClass._subcommands;
+        if (subcommands?.length) {
+            // Branch command with subcommands
+            y.command(cmd.name, cmd.help, (sub) => {
+                for (const Sub of subcommands) {
+                    this.registerCommand(sub, Sub);
+                }
+                return sub.demandCommand(1, `Please specify a ${cmd.name} subcommand`);
+            }, () => { });
+        }
+        else {
+            // Leaf command
+            y.command(cmd.name, cmd.help, (sub) => cmd.addArguments(sub), async (args) => {
+                const code = await cmd.execute(args);
+                process.exit(code);
+            });
+        }
+    }
+    bootstrap(commands) {
+        const y = yargs(hideBin(process.argv))
+            .scriptName(this.prog)
+            .usage(`${this.description}\n\n$0 <command> [options]`)
+            .option("verbose", {
+            alias: "v",
+            type: "boolean",
+            description: "Enable verbose output",
+            default: false,
+        })
+            .demandCommand(1, "Please specify a command")
+            .strict()
+            .help();
+        for (const Cmd of commands) {
+            this.registerCommand(y, Cmd);
+        }
+        y.parse();
+    }
+}