CLI docs (#121)

* Start of cli docs

* Document the CLI

Also adds support for the `--config` option and `--port` option for the dev server.

* Add tests for --config and --port flags

* Add port to validateConfig

1 files changed, 24 insertions, 0 deletions

diff --git a/test/config-path.test.js b/test/config-path.test.js
new file mode 100644
index 000000000..a13e099b3
--- /dev/null
+++ b/test/config-path.test.js
@@ -0,0 +1,24 @@
+import { suite } from 'uvu';
+import * as assert from 'uvu/assert';
+import { runDevServer } from './helpers.js';
+
+const ConfigPath = suite('Config path');
+
+const root = new URL('./fixtures/config-path/', import.meta.url);
+ConfigPath('can be passed via --config', async (context) => {
+  const configPath = new URL('./config/my-config.mjs', root).pathname;
+  const args = ['--config', configPath];
+  const process = runDevServer(root, args);
+
+  process.stdout.setEncoding('utf8');
+  for await (const chunk of process.stdout) {
+    if(/Server running at/.test(chunk)) {
+      break;
+    }
+  }
+
+  process.kill();
+  assert.ok(true, 'Server started');
+});
+
+ConfigPath.run();