Improve input validation

Fixes #10
sindresorhus · May 23, 2019 · 38ee523 · 38ee523
1 parent f041897
commit 38ee523
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diff --git a/cli.js b/cli.js
@@ -150,6 +150,11 @@ const cli = meow(`
 const [input, output] = cli.input;
 const options = cli.flags;
 
+if (!input) {
+	console.error('Please specify a URL or file path');
+	process.exit(1);
+}
+
 options.hideElements = arrify(options.hideElements);
 options.removeElements = arrify(options.removeElements);
 options.modules = arrify(options.module);

diff --git a/test.js b/test.js
@@ -48,7 +48,7 @@ test('check flags', async t => {
 		.replace(/\\"/g, '"')
 		.split('\n');
 
-	const {stdout} = await execa('./cli.js', ['--internal-print-flags', ...flags]);
+	const {stdout} = await execa('./cli.js', ['noop-file', '--internal-print-flags', ...flags]);
 	const json = JSON.parse(stdout);
 	t.snapshot(json);
 });