chore: choose default installer based on the lock file presence

Author: jamesgeorge007

packages/generators/src/init-generator.ts

@@ -100,12 +100,14 @@ export default class InitGenerator extends CustomGenerator {
     }
 
     public async installPlugins(): Promise<void> {
+        // Prompt for the package manager of choice
+        const defaultPackager = this.utils.getPackageManager();
         const { packager } = await Question.List(
             this,
             "packager",
             "Pick a package manager:",
             this.utils.getAvailableInstallers(),
-            "npm",
+            defaultPackager,
             false,
         );
         const opts: {

packages/webpack-cli/lib/utils/get-available-installers.js

@@ -2,7 +2,7 @@ const { sync } = require("execa");
 
 const utils = require("./");
 
-function isPmInstalled(packageManager) {
+function hasPmInstalled(packageManager) {
     try {
         sync(packageManager, ["--version"]);
         return packageManager;
@@ -13,7 +13,7 @@ function isPmInstalled(packageManager) {
 
 function getAvailableInstallers() {
     const installers = ["npm", "yarn", "pnpm"];
-    const availableInstallers = installers.filter((installer) => isPmInstalled(installer));
+    const availableInstallers = installers.filter((installer) => hasPmInstalled(installer));
 
     if (!availableInstallers.length) {
         utils.logger.error("No package manager found.");