Add the output option (#4015)

* Start of work on astroConfig.mode === 'server'

* Add tests and more

* adapter -> deploy in some places

* Add fallback for `adapter` config

* Update more tests

* Update image tests

* Fix clientAddress test

* Updates based on PR review

* Add a changeset

* Update integrations tests + readme

* Oops

* Remove old option

* Rename `mode` to `output`

* Update Node adapter test

* Update test

* fred pass

* fred pass

* fred pass

* fix test

Co-authored-by: Fred K. Schott <fkschott@gmail.com>

Author: matthewp

packages/adapters/node/README.md

@@ -37,6 +37,7 @@ import node from '@astrojs/node';
 
 export default defineConfig({
   // ...
+  output: 'server',
   adapter: node()
 })
 ```

packages/adapters/node/src/index.ts

@@ -12,8 +12,12 @@ export default function createIntegration(): AstroIntegration {
 	return {
 		name: '@astrojs/node',
 		hooks: {
-			'astro:config:done': ({ setAdapter }) => {
+			'astro:config:done': ({ setAdapter, config }) => {
 				setAdapter(getAdapter());
+
+				if(config.output === 'static') {
+					console.warn(`[@astrojs/Node] \`output: "server"\` is required to use this adapter.`);
+				}
 			},
 		},
 	};

packages/adapters/node/test/api-route.test.js

@@ -9,9 +9,7 @@ describe('API routes', () => {
 	before(async () => {
 		fixture = await loadFixture({
 			root: './fixtures/api-route/',
-			experimental: {
-				ssr: true,
-			},
+			output: 'server',
 			adapter: nodejs(),
 		});
 		await fixture.build();