Merge `vercel` and `node` into main #366

1 files changed, 82 insertions, 0 deletions

diff --git a/packages/integrations/node/src/index.ts b/packages/integrations/node/src/index.ts
new file mode 100644
index 000000000..eb3c98a9b
--- /dev/null
+++ b/packages/integrations/node/src/index.ts
@@ -0,0 +1,82 @@
+import type { AstroAdapter, AstroIntegration } from 'astro';
+import { AstroError } from 'astro/errors';
+import type { Options, UserOptions } from './types.js';
+
+export function getAdapter(options: Options): AstroAdapter {
+	return {
+		name: '@astrojs/node',
+		serverEntrypoint: '@astrojs/node/server.js',
+		previewEntrypoint: '@astrojs/node/preview.js',
+		exports: ['handler', 'startServer', 'options'],
+		args: options,
+		supportedAstroFeatures: {
+			hybridOutput: 'stable',
+			staticOutput: 'stable',
+			serverOutput: 'stable',
+			assets: {
+				supportKind: 'stable',
+				isSharpCompatible: true,
+				isSquooshCompatible: true,
+			},
+			i18nDomains: 'experimental',
+			envGetSecret: 'experimental',
+		},
+	};
+}
+
+// TODO: remove once we don't use a TLA anymore
+async function shouldExternalizeAstroEnvSetup() {
+	try {
+		await import('astro/env/setup');
+		return false;
+	} catch {
+		return true;
+	}
+}
+
+export default function createIntegration(userOptions: UserOptions): AstroIntegration {
+	if (!userOptions?.mode) {
+		throw new AstroError(`Setting the 'mode' option is required.`);
+	}
+
+	let _options: Options;
+	return {
+		name: '@astrojs/node',
+		hooks: {
+			'astro:config:setup': async ({ updateConfig, config }) => {
+				updateConfig({
+					image: {
+						endpoint: config.image.endpoint ?? 'astro/assets/endpoint/node',
+					},
+					vite: {
+						ssr: {
+							noExternal: ['@astrojs/node'],
+							...((await shouldExternalizeAstroEnvSetup())
+								? {
+										external: ['astro/env/setup'],
+									}
+								: {}),
+						},
+					},
+				});
+			},
+			'astro:config:done': ({ setAdapter, config, logger }) => {
+				_options = {
+					...userOptions,
+					client: config.build.client?.toString(),
+					server: config.build.server?.toString(),
+					host: config.server.host,
+					port: config.server.port,
+					assets: config.build.assets,
+				};
+				setAdapter(getAdapter(_options));
+
+				if (config.output === 'static') {
+					logger.warn(
+						`\`output: "server"\` or  \`output: "hybrid"\` is required to use this adapter.`
+					);
+				}
+			},
+		},
+	};
+}