feat: add sf uninstall command

src/index.ts

@@ -27,6 +27,7 @@ import { registerNodes } from "./lib/nodes/index.ts";
 import { analytics, IS_TRACKING_DISABLED } from "./lib/posthog.ts";
 import { registerScale } from "./lib/scale/index.tsx";
 import { registerTokens } from "./lib/tokens.ts";
+import { registerUninstall } from "./lib/uninstall.ts";
 import { registerUpgrade } from "./lib/upgrade.ts";
 import { registerVM } from "./lib/vm/index.ts";
 import { registerZones } from "./lib/zones.tsx";
@@ -95,6 +96,7 @@ async function main() {
   registerBalance(program);
   registerTokens(program);
   registerUpgrade(program);
+  registerUninstall(program);
   registerMigrate(program);
   await registerScale(program);
   registerMe(program);

src/lib/uninstall.ts

@@ -0,0 +1,72 @@
+import * as console from "node:console";
+import * as fs from "node:fs/promises";
+import { homedir } from "node:os";
+import { join } from "node:path";
+import process from "node:process";
+import type { Command } from "@commander-js/extra-typings";
+import { confirm } from "@inquirer/prompts";
+import chalk from "chalk";
+import ora from "ora";
+
+export function registerUninstall(program: Command) {
+  return program
+    .command("uninstall")
+    .description("Remove sf config and binary from this machine")
+    .option("-y, --yes", "Skip the confirmation prompt")
+    .option("--keep-binary", "Remove config but leave the sf binary in place")
+    .action(async (options) => {
+      const configDir = join(homedir(), ".sfcompute");
+      const binaryPath = process.execPath;
+      const willRemoveBinary = !options.keepBinary;
+
+      if (!options.yes) {
+        console.log(
+          `This will remove:\n  ${chalk.cyan(configDir)} (config, cached tokens, feature flags)${
+            willRemoveBinary ? `\n  ${chalk.cyan(binaryPath)} (sf binary)` : ""
+          }\n`,
+        );
+        const proceed = await confirm({
+          message: "Continue?",
+          default: false,
+        });
+        if (!proceed) {
+          console.log("Aborted.");
+          process.exit(0);
+        }
+      }
+
+      const spinner = ora("Removing sf config").start();
+      try {
+        await fs.rm(configDir, { recursive: true, force: true });
+        spinner.succeed(`Removed ${configDir}`);
+      } catch (err) {
+        spinner.fail(`Failed to remove ${configDir}`);
+        console.error(err);
+        process.exit(1);
+      }
+
+      if (willRemoveBinary) {
+        const binarySpinner = ora("Removing sf binary").start();
+        try {
+          await fs.rm(binaryPath, { force: true });
+          binarySpinner.succeed(`Removed ${binaryPath}`);
+        } catch (err) {
+          binarySpinner.fail(`Failed to remove ${binaryPath}`);
+          console.error(err);
+          console.log(
+            chalk.yellow(`\nDelete it manually with: rm ${binaryPath}`),
+          );
+          process.exit(1);
+        }
+      } else {
+        console.log(
+          chalk.yellow(
+            `\nThe sf binary is still at ${binaryPath}. Delete it with: rm ${binaryPath}`,
+          ),
+        );
+      }
+
+      console.log(chalk.green("\nUninstalled sf."));
+      process.exit(0);
+    });
+}