feat(create-astro): add --fancy flag (#5226)

Co-authored-by: Nate Moore <nate@astro.build>

.changeset/empty-feet-brush.md

@@ -0,0 +1,5 @@
+---
+'create-astro': patch
+---
+
+Allow Windows users to pass `--fancy` to enable full unicode support

packages/create-astro/README.md

@@ -42,6 +42,7 @@ May be provided in place of prompts
 |:-------------|:----------------------------------------------------|
 | `--template` | Specify the template name ([list][examples])        |
 | `--commit`   | Specify a specific Git commit or branch to use from this repo (by default, `main` branch of this repo will be used) |
+| `--fancy`    | For Windows users, `--fancy` will enable full unicode support |
 
 ### Debugging
 

packages/create-astro/package.json

@@ -29,7 +29,7 @@
     "tsconfigs"
   ],
   "dependencies": {
-    "@astrojs/cli-kit": "^0.1.0",
+    "@astrojs/cli-kit": "^0.1.3",
     "chalk": "^5.0.1",
     "comment-json": "^4.2.3",
     "execa": "^6.1.0",

packages/create-astro/src/index.ts

@@ -1,5 +1,6 @@
 /* eslint no-console: 'off' */
 import { color, generateProjectName, label, say } from '@astrojs/cli-kit';
+import { forceUnicode } from '@astrojs/cli-kit/utils';
 import { random } from '@astrojs/cli-kit/utils';
 import { assign, parse, stringify } from 'comment-json';
 import { execa, execaCommand } from 'execa';
@@ -29,9 +30,14 @@ import { TEMPLATES } from './templates.js';
 // broke our arg parser, since `--` is a special kind of flag. Filtering for `--` here
 // fixes the issue so that create-astro now works on all npm version.
 const cleanArgv = process.argv.filter((arg) => arg !== '--');
-const args = yargs(cleanArgv);
+const args = yargs(cleanArgv, { boolean: ['fancy']});
 prompts.override(args);
 
+// Enable full unicode support if the `--fancy` flag is passed
+if (args.fancy) {
+	forceUnicode();
+}
+
 export function mkdirp(dir: string) {
 	try {
 		fs.mkdirSync(dir, { recursive: true });
@@ -99,7 +105,7 @@ export async function main() {
 				`${username}!`,
 			],
 			random(welcome),
-		]);
+		], { hat: args.fancy ? '🎩' : undefined });
 		await banner(version);
 	}