chore: restrict package manager selection

mod.ts

@@ -1,40 +1,31 @@
 import {
   cyan,
-  dim,
   green,
   yellow,
 } from "https://deno.land/[email protected]/fmt/colors.ts";
 
+
 import { listLog } from "./src/log.ts";
+import { isPackageManager, usePackageManager } from "./src/pm.ts";
 import { exist, findUpNodeModules, findUpPackageJson } from "./src/fs.ts";
-import type { PackageManager } from "./src/pm.ts";
 import { execa, normalFusing } from "./src/process.ts";
 import { join } from "https://deno.land/[email protected]/path/mod.ts";
-import { isPackageManager, usePackageManager } from "./src/pm.ts";
 import { extractDeps, extractDepsFromPackageJson } from "./src/deps.ts";
 
 const {
   staging,
+  ref: pm,
   getCommand,
-  ref: packageManager,
+  select: selectPM,
 } = usePackageManager();
 
-function inputPackageManager() {
-  packageManager.value = prompt(
-    `🤯 Input your package manager ${dim(
-      "(npm | yarn | pnpm)",
-    )
-    }`,
-    "npm",
-  ) as PackageManager;
-}
 
 export async function hopeCreateProject() {
   if (Deno.args[0] !== "create") {
     return false;
   }
 
-  inputPackageManager();
+  await selectPM();
 
   await execa(getCommand());
 
@@ -60,11 +51,11 @@ export async function ensureProjectInit() {
     normalFusing();
   }
 
-  inputPackageManager();
+  await selectPM();
 
-  const cmd = [packageManager.value, "init"];
+  const cmd = [pm.value, "init"];
 
-  if (packageManager.value !== "pnpm") {
+  if (pm.value !== "pnpm") {
     const skipTedious = confirm(
       `👻 Whether to ${green("skip complicated steps")}?`,
     );
@@ -86,10 +77,10 @@ async function runCommand() {
   return true;
 }
 
-function refresh() {
+async function refresh() {
   if (Deno.args[0] === "refresh") {
     if (isPackageManager(Deno.args[1])) {
-      packageManager.value = Deno.args[1];
+      pm.value = Deno.args[1];
       return here(true);
     }
 
@@ -99,7 +90,7 @@ function refresh() {
 
     if (!wantRefresh) normalFusing();
 
-    inputPackageManager();
+    await selectPM();
 
     return here(true);
   }
@@ -109,7 +100,7 @@ function here(see = Deno.args[0] === "here") {
   if (see) {
     console.log(
       `🦖 The manager of the current directory is ${cyan(
-        packageManager.value ?? "null",
+        pm.value ?? "null",
       )
       }`,
     );
@@ -167,8 +158,8 @@ async function autoInstall(
 
     if (wantInstallDeps) {
       await execa([
-        packageManager.value ?? "npm",
-        packageManager.value === "yarn" ? "add" : "install",
+        pm.value ?? "npm",
+        pm.value === "yarn" ? "add" : "install",
         ...depsToInstall,
       ]);
     }

src/pm.ts

@@ -1,8 +1,11 @@
 import { exist } from "./fs.ts";
 import { creatLocalStorageRef } from "./storage.ts";
+import { Select } from "https://deno.land/x/[email protected]/mod.ts";
 
 export type PackageManager = "npm" | "yarn" | "pnpm";
 
+const pms = ['npm', 'yarn', 'pnpm']
+
 export function usePackageManager() {
   const cwd = Deno.cwd();
   const ref = creatLocalStorageRef<PackageManager>(cwd);
@@ -35,10 +38,17 @@ export function usePackageManager() {
     return isRunScript ? [pm, "run", ...Deno.args] : [pm, ...Deno.args];
   }
 
-  return { ref, staging, getCommand };
+  async function select() {
+    ref.value = await Select.prompt({
+      message: 'select your package manager',
+      options: pms
+    }) as PackageManager
+  }
+
+  return { ref, staging, getCommand, select };
 }
 
 export function isPackageManager(v: string): v is PackageManager {
   // Check if the value of v is one of the package managers
-  return ["npm", "yarn", "pnpm"].includes(v);
+  return pms.includes(v);
 }