feat: make output reflect user's choice of package manager

.changeset/gold-radios-argue.md

@@ -0,0 +1,5 @@
+---
+"create-svelte": patch
+---
+
+feat: make output reflect user's choice of package manager

packages/create-svelte/bin.js

@@ -4,7 +4,7 @@ import path from 'node:path';
 import * as p from '@clack/prompts';
 import { bold, cyan, grey, yellow } from 'kleur/colors';
 import { create } from './index.js';
-import { dist } from './utils.js';
+import { dist, get_package_manager } from './utils.js';
 
 const { version } = JSON.parse(fs.readFileSync(new URL('package.json', import.meta.url), 'utf-8'));
 let cwd = process.argv[2] || '.';
@@ -161,10 +161,10 @@ if (relative !== '') {
 	console.log(`  ${i++}: ${bold(cyan(`cd ${relative}`))}`);
 }
 
-console.log(`  ${i++}: ${bold(cyan('npm install'))} (or pnpm install, etc)`);
+console.log(`  ${i++}: ${bold(cyan(`${pkg_manager} install`))}`);
 // prettier-ignore
 console.log(`  ${i++}: ${bold(cyan('git init && git add -A && git commit -m "Initial commit"'))} (optional)`);
-console.log(`  ${i++}: ${bold(cyan('npm run dev -- --open'))}`);
+console.log(`  ${i++}: ${bold(cyan(`${pkg_manager} run dev -- --open`))}`);
 
 console.log(`\nTo close the dev server, hit ${bold(cyan('Ctrl-C'))}`);
 console.log(`\nStuck? Visit us at ${cyan('https://svelte.dev/chat')}`);

packages/create-svelte/utils.js

@@ -49,3 +49,16 @@ export function copy(from, to, rename = identity) {
 export function dist(path) {
 	return fileURLToPath(new URL(`./dist/${path}`, import.meta.url).href);
 }
+export package_manger = get_package_manager() || 'npm';
+
+// Thanks to https://github.com/zkochan/packages/tree/main/which-pm-runs for this code!
+function get_package_manager() {
+	if (!process.env.npm_config_user_agent) {
+		return undefined;
+	}
+	const user_agent = process.env.npm_config_user_agent;
+	const pm_spec = user_agent.split(' ')[0];
+	const separator_pos = pm_spec.lastIndexOf('/');
+	const name = pm_spec.substring(0, separator_pos);
+	return name === 'npminstall' ? 'cnpm' : name;
+}