feat: list / delete created env

src/commands/env/index.ts

@@ -0,0 +1,27 @@
+import path from "node:path";
+import fs from "node:fs";
+import os from "node:os";
+import { OptionValues, Command } from "commander";
+
+export default async function env(opts: OptionValues, cmd: Command) {
+    const envs = fs.readdirSync(os.tmpdir()).filter((x) => x.startsWith("ncaic-"));
+
+    if (envs.length) {
+        const padding = Math.log10(envs.length) + 1;
+        for (let i = 0; i < envs.length; i++) {
+            const dir = path.resolve(os.tmpdir(), envs[i]);
+            console.log(`${(i + 1).toString().padStart(padding)}. ${dir}`);
+        }
+
+        if (opts.remove) {
+            console.log("---");
+            for (let i = 0; i < envs.length; i++) {
+                const dir = path.resolve(os.tmpdir(), envs[i]);
+                fs.rmSync(dir, { recursive: true });
+                console.log(`Removed ${dir}`);
+            }
+        }
+    } else {
+        console.log("No environments found");
+    }
+}

src/compile.ts

@@ -83,7 +83,10 @@ export function compile(source: string) {
  * @returns The absolute path of the temporary directory.
  */
 export function create_env(source: string) {
-    const dir = path.resolve(tmpdir(), Math.random().toString().slice(2));
+    const dir = path.resolve(
+        tmpdir(),
+        "ncaic-" + Math.random().toString().slice(2, 8).padEnd(6, "0"),
+    );
     if (fs.existsSync(dir)) {
         fs.rmSync(dir, { recursive: true });
     }

src/index.ts

@@ -7,6 +7,7 @@ import init from "./commands/init";
 import verify from "./commands/verify";
 import test from "./commands/test";
 import run from "./commands/run";
+import env from "./commands/env";
 
 const package_info = JSON.parse(
     fs.readFileSync(path.join(__dirname, "..", "package.json"), "utf8"),
@@ -16,6 +17,12 @@ const program = new commander.Command().version(`${package_info.name} ${package_
 
 program.command("check").description("check for language support").action(check);
 
+program
+    .command("env")
+    .description("list created all environments")
+    .option("-r, --remove", "remove all environments after listing")
+    .action(env);
+
 program
     .command("init")
     .description("create a config file")