fix: improve name validation

fix #32

Author: privatenumber

src/cli.ts

@@ -12,7 +12,7 @@ import type {
 import { Command } from './command';
 import { generateHelp, Renderers } from './render-help';
 import { camelCase } from './utils/convert-case';
-import { isScriptNamePattern } from './utils/is-script-name';
+import { isValidScriptName } from './utils/script-name';
 
 const { stringify } = JSON;
 
@@ -361,15 +361,15 @@ function cli<
 		throw new Error('Options is required');
 	}
 
-	if ('name' in options && (!options.name || !isScriptNamePattern.test(options.name))) {
+	if ('name' in options && (!options.name || !isValidScriptName(options.name))) {
 		throw new Error(`Invalid script name: ${stringify(options.name)}`);
 	}
 
 	const potentialCommand = argv[0];
 
 	if (
 		options.commands
-		&& isScriptNamePattern.test(potentialCommand)
+		&& isValidScriptName(potentialCommand)
 	) {
 		const command = getCommand(potentialCommand, options.commands);
 

src/command.ts

@@ -6,7 +6,7 @@ import type {
 	ParseArgv,
 	parsedType,
 } from './types';
-import { isScriptNamePattern } from './utils/is-script-name';
+import { isValidScriptName } from './utils/script-name';
 
 export type CommandOptions<Parameters = string[]> = {
 	/**
@@ -61,7 +61,7 @@ export function command<
 		throw new Error('Command name is required');
 	}
 
-	if (!isScriptNamePattern.test(name)) {
+	if (!isValidScriptName(name)) {
 		throw new Error(`Invalid command name ${JSON.stringify(name)}. Command names must be one word.`);
 	}
 

src/utils/is-script-name.ts

@@ -0,0 +1,3 @@
+export const isValidScriptName = (
+	name: string,
+) => name.length > 0 && !name.includes(' ');